Uploaded by Daniel Alejandro Ortega

ASME-B40-100-2005

advertisement
ASME B40.100-2005
(Revision of ASME Blr0.100-1998)
Pressure Gauges
and Gauge
Attachments
AN AMERICAN NATIONAL STANDARD
$28 The American Society of
® Mechanical Engineers
012345678 9 9398794591583919759654
63'
142418519399919875984595871894588918919 39$
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234
5
6
7
8
6
6
9
6
6
!
ASME B40.100-2005
(Revision of ASME Bl|0.100-1998)
"Pressure
#$%%&#$'(
&)$%
Gauges
(and
*+'(
&)$
Gauge
0,,(-./$*,%
Attachments
0 120 031405306 6
AN AMERICAN NATIONAL STANDARD
® Mechanical Engineers
NewYork,
NY8
7Three
.#$$8"ParkAvenue
(#980:$*&$88;0 88<$
=8>?#9@8<>
810016
668A
BCDEFGHIJ KLMMNKOEKJIPKQRPFGSTUKVCSGPJEKCWKXPSITUGSTYKZUHGUPPF[\
]CFPDFC^_SJGCUKRTEKOPKRT^PKCWKJIG[KRTJPFGTYK̀GJIC_JK̀FGJJPUKSCU[PUJKCWKQVXZ\ 3%-
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made ofthis material without written consent of ASME.
01
234of56Issuance:
778193 May1 15,2006
Date
The
39next
323edition
2494of52this
7Standard
2191is77scheduled
3835for4publication
81249in92010.
There
33
be39no41addenda
3914or
will
2239interpretations
92332124974of52the
3requirements
3 83!39274of52
7Standard
2191issued
77832to42
73edition.
249
written
this
this
The
American
"ASME
#is72the
3registered
3$72332trademark
13!1%4of5
3"
!319Society
432 4of5Mechanical
3191#Engineers.
9$9337
This
was7
developed
meeting
the
American
National
7code
434or7standard
21911
3&3438under
93procedures
438371accredited
3231as7!3
329$2
3criteria
2315for4"
!319'1
2491
the
was7
balanced
to41
assure
that
Standards.
21917The
3Standards
21917(Committee
4!!22332that
121approved
4&32
3code
434or7standard
21911
11932
77832
12individuals
9&8175from
4!
competent
The
was7!1
made
4!323921and
9concerned
49393interests
9233727have
1&3had11an94opportunity
42892 2to4participate.
12123
3proposed
4473code
434or7standard
21911
3
1available
&1135for4public
8review
3&31and
9comment
4!!3922that
12provides
4&371an94opportunity
428925for41additional
2491public
8input
9825from
4!industry,
98721academia,
13!1
regulatory
3$8124 1agencies,
$39371and
92the
3public-at-large.
8)12)1$3
ASME
" #does
4379not42*“approve,”
14&3+*“rate,”
123+4or*“endorse”
39473+1any9 item,
23!construction,
49728249proprietary
4321 device,
3&34or1activity.
2&2
ASME
with
with
" #does
4379not422take
1%31any9 position
47249
2respect
37322to42the
3&validity
12 4of51any9 patent
12392rights
$271asserted
77323in9connection
4993249
21any9
mentioned
a standard
for
items
23!7!3
92493in92this
7document,
48!3921and
9does
4379not428undertake
9321%32to4insure
97831anyone
94938utilizing
2,9$17
21911against
$1972liability
12 5
4
Users
infringement
959$3!3924of51any9 1applicable
13letters
32237patent,
123929nor41assumes
778!371any9 7such
8liability.
12-7
374of51a code
434or7standard
21911are33expressly
377
the
validity
the
1advised
&732that
12determination
323!912494of52
3&
12 4of51any9 7such
8patent
12392rights,
$271and
92
3risk
7%4of5infringement
959$3!3924of57such
8rights,
$27is7
3entirely
9232their
34own
9responsibility.
374972
with
.Participation
121249by 5federal
3311agency
$39 representative(s)
33739212&3/704orperson(s)
3749/701affiliated
55123
2industry
9872 is79not422to4be3interpreted
9233231as7
$government
4&39!3924orindustry
9872 3endorsement
9473!3924of52this
7code
434or7standard.
2191
ASME
with
the
" #1accepts
327responsibility
3749725for44only
9those
2473interpretations
92332124974of5this
27document
48!392issued
7783in91accordance
4193
22
33established
72173
which
"ASME
#procedures
438371and
9policies,
437
precludes
38372the
3issuance
7781934of5interpretations
9233212497by individuals.
9&817
No part
may be3
reproduced
'4
124of52this
7document
48!392!1
3483in91any9 5form,
4!
in91an93electronic
3249 retrieval
323&17system
723!4or4otherwise,
2373
without
written
the
24822the
3prior
4
2239permission
3!77494of52
3publisher.
873
3"!319432 45 3191#9$9337
33.1%"&3983'314%'1)22
The American Society of Mechanical Engineers
Three Park Avenue, New York, NY 10016-5990
(Copyright
4$23© 2006
by
THE
AMERICAN
OF MECHANICAL
4#"
#56("'SOCIETY
6(6#167
#(4"'6("8#ENGINEERS
'96'##5
All
"rights
$27reserved
373&3
U.S.A.
.Printed
923in9-
"
:;<=>?@AB CDEEFCG=CBAHCIJH>?KLMCN;K?HB=C;OCPHKALM?KLQCRM@?MHH>ST
U;>H<>;VWKB?;MCJL=CGHCJLVHC;OCBA?SCJLBH>?LQCX?BA;WBCX>?BBHMCK;MSHMBC;OCINPRT 30¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0CONTENTS
1234235
6Foreword
789 78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
997
98 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roster
Committee
7
8897 99
the
9
99 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Correspondence
With
B407
Committee
8
99 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface
— Elastic
ASME
B40.1
Gauges:
Dial
Type
5 4!"
#$% &'
()*+,-Pressure
.*++(.*/Indicating
0123'420)52
'63
78*94
6'+4234Element
6*:*04. . . . . . . . . . . . . . . . . ..
ASME
Diaphragm
5 4!"
#$< 52
'8=.'):5Seals
*'6+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
B40.2
ASME
B40.5
5 4!"
#$? 5Snubbers
0(@@*.+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASME
B40.6
Valves
5 4!"
#$C -Pressure
.*++(.*DLimiter
2:24*.E
'6F*+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASME
B40.7
Digital
5 4!"
#$I &'
()*+,-Pressure
.*++(.*52
)24'6/Indicating
0123'420) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
Gauges:
iii
KLMNOPQRS TUVVWTXNTSRYTZ[YOP\]^T_L\PYSNTL`TaY\R]^P\]bTc^QP^YYOde 39%
fLOYMOLgh\SPL^T[]NTXYT[]gYTL`TSRPdT[]SYOP]bTiPSRLhSTiOPSSY^T\L^dY^STL`TZ_ace 53
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
V
Vi
vii
;1
43
>
A69B
G87H
95
BJ
iv
0FOREWORD
1234125
67
897Standards
ofa balanced
cross
section
of
gauge
ASME
Committee
B40
is
comprised
pressure
users,
members
representing
manufacturers,
and interested
governmental
agencies,
testing
labora!
and other
"standards—producing
! #6
convinced
that
" national
such
"as
tories,
bodies.
Allare
standards
"oneserve
not only$to
performance
and configuration
guidelines,
also
this
provide
product
but
inform
and "specifier
and the
"science
of
gauge
to
updatethe
user
regarding
pressure
production,
application,
use.
The
standards
by
which
Committee
can transmit
and #%"
arevehicles
"
$&"
"the
"
asa body
$
the
"
oftheir
"combined
knowledge
' & and experience
(asregards
the
"
and safe
to
users
benefits
proper
gauges.
#
use
of
pressure
This
isadvisory
Its
use
is
entirely
matter
way
%"
7Standard $only.
$#)
$a voluntary
$
and shall
" in no&
$
B40
the
"manufacture
or
of
that
" donot conform.
#*
"67
89northe
"
preclude
use
products
Neither
ASME
assumes
responsibility
$forthe
"effects
ofobservance
ornonobservance
ofrecommenda !
Committee
tions
herein.
made"
#
B401,
6An addenda
was
& issued
on +
,31,-2001,
.-adding
*
$6
(C to
#-
December
Nonmandatory
Appendix
1340.2,
1340.5,
#.
#/and #0#
E406.
This
13407
Standards
Committee
%"
7Standard was
& approved
by
$the
"
and approved
asan American
6
American
Institute
*National
7Standard by
$the
"6
National
* 7Standards
)
on September
7-19,12005.
./#
iv
Copyright
American
Mechanical
Engineers.
23
456789:©;<2006
==>;?by5;the
:9@;AB@
67CDE;FSociety
3C7@:5;3ofG;H@
C9DE7CDI;JE
87E@@6KL 30¢
No
material
ASME.
M36reproduction
@463NOC:73E;may
BD5;?be@;made
BDN@;3ofG;:this
97K;BD
:@67DI;without
P7:93O:;written
P67::@E;Cconsent
3EK@E:;3ofG;AF
HJL 53
012345678229 33
1 ASME B40 COMMITTEE
Specifications for Pressure and Vacuum Gauges
(The
!following
"##"$%&'%is()the
*roster
"()*"of!)the +Committee
",,%)) -at))the time
)%, "of!-approval
..*"/-#"of!)this
%(0Standard.)
)-&1-*123
OFFICERS
1STANDARDS
04506517COMMITTEE
8229 3387
797361
W. Wakeman,
6R.898
9:;<Chair
=>?@
Secretary
A8B8C
;D
EF@EG>@H
J.
H. Karian,
DARDS
NELI
1STAN
0450
6517COMMITTEE
8229 33PERSON
3618443
A8B8C; W, *%̀-&0"`%)b"!M `-&%̀-#]&'%& *(
868C ;_-/-#0K*!-` U-*!-* +&)*
288
;c.
*-)%&'dM%&)&-&` 0Specialties
. `%-#)%(
M. G. Page,
Operating
& Maintenance
A8481
;_"
("efNInc.
&`2
1.
N. Scott,
Noshok,
M. F.8I
287
;P
QGE@R>GES_"
("efNInc.
&`2
Lancaster,
Alternate,
Noshok,
D. E.81
583
L;_/-#0Sea-0Systems
b(),(+Command
",,-&1
Strawser,
Naval
W. Wakeman,
Mfg.
6R.898
9:;0Smith
,%)]Equipment
^K%., &)M!
'2+Co."2
P.8J.A89
;U
%((NInstruments,
&()*K, &)(fNInc.
&`2
Weiss,
Weiss
Alternate,
A89
;P
QGE@R>GESUWeiss
%((NInternational,
&)*&-)%"&-#fNInc.
&`2
I.
Weiss,
6R.85D.84Bissell,
JJ;+Consultant
"&(K#)-&)
W. J.
Moeller
98
A84Browne,
L ;M"
##*NInstrument
&()*K, &)+Co."2
J.
G. Murtz,
Alternate,
Moeller
A882
O;P
QGE@R>GESM"
##*NInstrument
&()*K, &)+Co."2
A87Conti,
;T*
((*NIndustries
&1K()*%(
I.
Dresser
A
JJ;+Consultant
"&(K#)-&)
1.89
I.87
Fellman,
Gross,
WIKA
CK.8
;UN
VWNInstrument
&()*K, &)+Corp.
"*.2
A.89
Weissner,
Alternate,
WIKA
6R.80
;P
QGE@R>GESUN
VWNInstrument
&()*K, &)+Corp.
"*.2
Honer,
|r.,
6R.83E.8B
;A
8;XPerma-Cal
*,-Y+-#NIndustries
&1K()*%(
I. H. Karian, The American Society of Mechanical Engineers
T. R. Konen, Naval Surface Warfare Center
1 — PRESSURE
GAUGES
1SUBCOMMITTEE
Z478229 33[\
6311Z630
Z31
G. A.8I
Leigh,
80
g;+Consultant
"&(K#)-&)
M. F.8I
Lancaster,
Noshok,
287
;_"
("efNInc.
&`2
M. G. Page,
Operating
& Maintenance
288
;c.
*-)%&'dM%&)&-&` 0Specialties
. `%-#)%(
H. Schindler,
B81
gJ;+Consultant
"&(K#)-&)
D. E.81
583
L;_/-#0Sea-0Systems
b(),(+Command
",,-&1
Strawser,
Naval
P.8J.A89
;U
%((NInstruments,
&()*K, &)(fNInc.
&`2
Weiss,
Weiss
A89
;P
QGE@R>GESUWeiss
%((NInstruments,
&()*K, &)(fNInc.
&`2
I.
Weiss,
Alternate,
A.89
Weissner,
WIKA
6R.80
;UN
VWNInstrument
&()*K, &)+Corp.
"*.2
W.
R. Williams,
Ametek,
U.S.
Gauge
Division
98689
JJ;W
, )efh2
02iK' T%
/%(%"&
W. Wakeman,
Mfg.
6R.898
9:;<Chair,
=>?@S0Smith
,%)]Equipment
^K%., &)M!
'2+Co."2
6R.85D.84Bissell,
JJ;+Consultant
"&(K#)-&)
W. J.
Moeller
98
A84Browne,
L ;M"
##*NInstrument
&()*K, &)+Co."2
A882
O;P
QGE@R>GESM"
##*NInstrument
&()*K, &)+Co."2
I.
G. Murtz,
Alternate,
Moeller
I.
Dresser
A87Conti,
;T*
((*NIndustries
&1K()*%(
I.89
I.87
Fellman,
A
JJ;+Consultant
"&(K#)-&)
Honer,
Ir.,
6R.83E.8B
;A
8;XPerma-Cal
*,-Y+-#NIndustries
&1K()*%(
T.868C
R. Konen,
Naval
Warfare
;_/-#0Surface
K*!-` U*!-* +Center
&)*
a
V
American
Mechanical
Engineers.
Copyright
jk
lmnopqr©st2006
uuvswbymsthe
rqxsyzx
no{|}s~Society
k{oxrmskofs€x
{q|}o{|s‚}
po}xxnƒ„
53
No
reproduction
may
be
made
ofthis
material
without
written
consent
ASME.
kn
x
l
n
k
†
‡
{
r
o
k
}
s
z|
m
s
w
x
s
z|
†
x
s
k

s
r
q
o
ƒ
s
z|
r
x
n
o
|

s
ˆo
r
q
k
‡
r
s
ˆn
o
r
r
x
}
s
{
k
}
ƒ
x
}rskofsy~
€‚„ 3%
[
WITH THE3B40
0CORRESPONDENCE
122345167360389
0COMMITTEE
19 33
standards
are!!
"!#$%!and
&
''!('
)the
)!'intent
!to$represent
!%!!
)!
General.
ASME
developed
maintained
with
the
As such,
users
may
the
Committee
*consensus
$!+$of,*concerned
$*!!'interests.
!!-
+*).+
!$of,this
)'Standard
&
/'interact
!*with
(')
)!0$
&&'!!
1/%proposing
$%$'2revisions,
!"''$.and
attending
!'20$&&'
!!&!
!'2-0$
!%$!*!should
)$+#1!
by
Committee
meetings.
Correspondence
be
addressed
!!to:$3
B40
Standards
Committee
Secretary,
!*!/.45
6
0$
&&'!!
The!&!
American
7)
'*Society
$*'!/$of,!
*)'*#
2'!!
Mechanical
Engineers
7)
!!8
9"
!+!
Three
Park
Avenue
New
York,
:!
(;$
9.NY
:;<10016-5990
66<=>?@@6
5Proposing
ABACDE2Revisions.
FDCDACG!
"''$are!&
!%!
'$'*##/
)!Standard
to$'
*$%$!*
)2!
Revisions
made
periodically
to$
the
incorporate
changes
that
)appear
%%! necessary
!*!/$or !
'1#!.as!
&$!1
/
)!!experience
H%!'!*!2gained
'!,from
$&
)!application
%%#'*'$
desirable,
demonstrated
by
the
the
Approved
will
be!%+1
published
periodically.
$of,the
)!Standard.
-%%
$"!revisions
!"''$('
##1
#')!%!
'$'*##/7)
&&'!!(!
#*$&!%
$%$#,for$ revisions
!"''$to$this
)'Standard.
-Such
+*)%
$%$#should
)$+#1
The!0$
Committee
welcomes
proposals
proposals
be!
asspecific
%!*','*as%
$'1#!.*citing
''2the
)!%
2%)
+&1!IJ.the
)!%
$%$!($
'2.and
!
'#!
possible,
paragraph
number(s),
proposed
wording,
a detailed
description
pertinent
documentation.
!
*'%'$$of,the
)!reasons
!$,for$ the
)!%proposal,
$%$#.'including
*#+'2any
/%!
'!$
*+&!'$Attending
Committee
Meetings.
The
B40
Standards
Committee
regularly
holds
meetings,
KLLMDE0ANNDLLLDEC7)!4560$&&'!! !2+##/)
$#&!
!'2.which
()'*)
are!$open
%!to$the
)!%
+1#'*-8
!$('
)'2to$attend
!any
/&!
!'2should
)$+#*
$*
)!Secretary
!*!/$of,
public.
Persons
wishing
meeting
contact
the
B406
Standards
Committee.
the
)!45
0$
&&'!!-
"'
Vi
Copyright
American
Mechanical
Engineers.
OP
QRSTUVW©XY2006
ZZ[X\byRXthe
WV]X^_]
ST̀abXcSociety
P`T]WRXPofdXe]
`VabT̀afXgb
UTb]]Shi 39%
No
material
consent
ASME.
jPSreproduction
]QSPkl`WTPbXmay
_aRX\be]Xmade
_ak]XPofdXWthis
VThX_a
W]STafXwithout
mTWVPlWXwritten
mSTWW]bX̀P
bh]bWXPofdX^c
egi 53
ORGANIZATION
OF THIS
DOCUMENT
61
7489496863
9 65
28
0PREFACE
123452
Standard
compiles
the
!following
"#standards.
$
This
%Standard
&'()'*) +Title
,&-.
/
0123
4$5 6
7#89Pressure
7 :Indicating
#;
Type
< —= 1
1
ASME
B401
Gauges:
Dial
Elastic
Element
ASME
B40.2
Diaphragm
/
0123
4$> ;
# Seals
ASME
B40.5
/
0123
4$? Snubbers
7@@
ASME
B40.6
Limiter
Valves
/
0123
4$A 9Pressure
7 B
C
D
/
0123
4$E 6
7#89Pressure
7 ;
#:Indicating
#
ASME
B407
Gauges:
Digital
D
vii
American
Mechanical
Engineers.
Copyright
FG
HIJKLMN©OP2006
QQROSbyIOthe
NMTOUVT
JKWXYOZSociety
GWKTNIOGof[O\T
WMXYKWX]O^Y
LKYTTJ_` 80¢
No
material
ASME.
aGJreproduction
THJGbcWNKGYOmay
VXIOSbeTOmade
VXbTOGof[ONthis
MK_OVX
NTJKX]Owithout
dKNMGcNOwritten
dJKNNTYOWconsent
GY_TYNOGof[OUZ
\^` 53'
0111
viii
American
Mechanical
Engineers.
Copyright
23
456789 © 2006by5the9
67Society
3753of
97
876 909
No
material
ASME.
36reproduction
46373may
5bemade
3ofthis
97
67without
793written
67consent
33of
53'
01234567866966
ASME B40.100-2005
ASME B40.1
1 Scope
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Pressure
Gauges,
!"#General
$!%. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
&3 General
$!%'Recommendations
(($)!*+$. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ,134 Safety
!.*/. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,170
15 2Cleanliness
%!$%+$. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Testing
46 Pressure
Gauge
!"5
*+$". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21,
67 7
)+$"Parameters
!!(*!and
$)'Related
%!*)Standards
*!$)!). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Ordering
8Figures
+"
3
,1 9:
;<=>?
@;;A?@BTerms
@?C; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basic
Pressure
2 >Pressure
?@;;A?@D:
AE@FG
CHGI@IJ;K(C—Type
FLBMH@9G
A?NGIOIllustrated)
PPA;J?:J@NQ. . . . . . . . . . . . . . . . . . . . . . . . . 4R
Gauge
Components
Bourdon
Elastic
Elements
-3 SP
:;J<=SP
@C@IJ;. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5T
Cases
R F:
;@;. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U6
4
T5 SV
:CHP@GofWXA:
=:P@X<
:P. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07
Example
DualPY
Scale
Dial
U6 F:
;@;Z/Mounting
[GAIJ<IE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9\
Cases
Retard
Gauge
07 SV
:CHP@GofW]@
J:?ND:
AE@. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,103
Example
Gauge
^8 SV
:CHP@GofWYSuppressed
AHH?@;;@NYScale
=:P@D:
AE@ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,103
Example
Recommended
Case
Mounting
Dimensions
\9 ]@
=GCC@IN@NF:
;@:and
IN[G
AIJ<IEX<
C@I;<GI;. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,12
Tables
5!_%
Accuracy
Grades
,1 `=
=A?:=MD?
:N@;. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Cleanliness
Levels
2 FP
@:IP<I@;;a@
b@P;. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21,
Nonmandatory
c
$(!$)!*/Appendices
$)+
Definitions
Procedures
Used
Measure
New
Gauge
`A YSome
GC@X@
W<I<J<GI;:and
INYSuggested
AEE@;J@NBTest
@;J>?
G=@NA?@;d;
@NJtoG[@
:;A?@e@
fD:
AE@
>Performance
@?WG?C:I=@ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25T
9B D:
AE@;d;
@NGonI]@
EAP:JG?;. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28^
Gauges
Used
Regulators
Requirements
FC YSupplemental
AHHP@C@IJ:P]@
gA<?@C@IJ; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-,
,1
hijklmnop qrsstqukqpovqwxvlmyz{q|iymvpkqi}q~vyoz{myzq€{nm{vvl‚ 39%
ƒilvjli„ypmi{qxzkquvqxz„vqi}qpomqxzpvlmzq†mpoipq†lmppv{qyi{v{pqi}qw|~€‚ 53
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
ASME B40.100-2005
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT
1 SCOPE
Ubar:
T]^%=3
$(!09(
3"":(3:&!
x:%4$to1%
99(1d!=%$348
a metric
pressure
unit$3
equal
approximately
14.50
psi!)
3.3.2.1
and
7.2).
.
+
z
,9"
"
3
39
%
(
%
"
p
p
O
.%
&
'{
O
/
(see
paras.
This!"#Standard
$%&'%(')(B40.1)
*+,-./!
1&2!&3'$to1%analog,
&%4156'!
%47$893
is"0
confined
dial-type
[XXW|V^%$
!&;%
443'60convoluted
1&?14:$3'3
4%"$!09(
3"":(37"3&"7
a thin
walled,
elastic
pressure-sens5gauges,
%:53"6;which,
!06:$
!4!<!&53elastic
4%"$!03elements,
43=3&$"6=3
0%&!0%448 Ubellows:
utilizing
mechanically
&53element
43=3&$)(see
"33H
!5-3).p/Fig.
by
means
a pointer
"sense
3&"39(
3"":(3%and
&'!indicate
&'!0%$3!it$>
8=3
%&"1of2%91
!&$3( !ing
pressure
moving
=1
?!&51over
?3(%5
(%':%$3'"scale.
0%43a graduated
[}[X^"see33]ring.
wg`bezel:
This!"#Standard
$%&'%(''1
3"&not1$!include
&04:'35gauges
%:53"1of2"special
930!%40con1&7 U
does
Bourdon
a tubular
elastic
pressure-sensing
Y]tWgZtube:
YU[^%$
:>:4%(3
4%"$!09(
3"":(37"3&"!&53element.
43=3&$designed
2figuration
!5:(%$!1&'3
"!5&3'2for1("specific
930!2!0%applications,
994!0%$!1&"63edge
'53(read3%'7 ~W
or(1
other
form
(see
Fig.
%
8
%
?
3€
j6

3
4
!
0
%
4
6
"
9!
(
%
4
6
1
$
3
(2
1
(
=)
"
3
3H
!5-p3)./May
have
”C,”
helical,
spiral,
deadweight
piston
!ing,
&56'3
%';3!5 $1or(9!
"$1&5gages,
%53"61or(%any
&81other
$3(5gauges
%:53"
Ubrazing:
]T}wg`^%=3
$%4y
1!&!&59(
103"";
3(3!&0coalescence
1%43"03&03!
&1$:using
"!&5%an&3elastic
4%"$!03element
43=3&$$to1"sense
3&"39pressure.
(3"":(3a metal
joining
process
wherein
is"
not
9(
1':03'>
8:"
1&23((1:"2filler
!443(=3
$%4having
%?!&5%
produced
by
use31
of2&
nonferrous
metal
a
melting
point
above
425°C
(800°F),
but
lower
than
that
=3
4
$
!
&
591
!
&
$%
>
1
?
3+
O
z
i
j)
m
,
,
i
H
/
6
>
:
$4
1
;3
($
%
&$
%
$
@2 PRESSURE
GAUGES,
AGENERAL
1of2$the3>
%
"
3=3
$
%
4
"y
1
!
&
3
'base metals joined.
@2.1BPressure
CDEEFCDTerms
DCGE
acalibration:
TXwU]TZwWg^$the39
(103""1of25graduating
(%':%$!&5$the39
(3"":(3"scale
0%431
process
pressure
or(
mechanism
cause
%adjusting
'y:"$!&5$the3=3
0%&!"=$to10
%:"3$the35gauge
%:53$to1!indicate
&'!0%$3
#See33HFig.
!5-.1.within
limits.
;!
$!&"specified
930!2!3'%accuracy
00:(%084
!=!$"@2.2B@Pressure
CDEEFCDGauge
IFJDComponents
KGLKMDMNE
acalibration
TXwU]TZwWg‚verification:
[]wfwaTZwWg^$the30checking
30q!&51of2%5
%:53>
80com1=7
a gauge
by
#See33HFig.
!5-O2.9%
(!"1&;!
$ %5
!?3&"standard
$%&'%('$to1'3
$3(=!&3$the3!
&'!0%7
parison
with
a given
determine
indicapoints
of2$
the3"
scale.
$tion
!1&3error
((1(%at$"specified
930!2!3'91
!&$"1
0%43@2.3BPPressure
CDEEFCDGauge
IFJDTerminology
DCGQMKRKJS
that
protects,
acase:
TV[^$the3housing
1:"!&51or(0container
1&$%!&3($
%$"supports,
:991($"69
(1$30$"6
absolute
pressure:
pressure,
TUVWXYZ[\
][VVY][^"see33\
][VVY][_absolute.
TUVWXYZ[%and
&'"surrounds
:((1:&'"$the3!
&$3(&%4"internals.
absolute
pressure
gauge:
gauge,
pressure.
TUVWXYZ[\
][VVY][`
TY`[^"see33`
TY`[_absolute
TUVWXYZ[\
][VVY][filled:
a case
is"2
filled
with
acase,
TV[_Xliquid
wƒYwtf
wXX[t^%0
%"3$that%$!
!443';!
$ a%4liquid
!x:!'"such
:0
at$4
least
its
total
accuracy:
a gauge
4803(!&1or("silicone
!4!01&32fluid
4:!'$to1%
3%"${75%
z„ 1of2!
$"$
1$%4
TaaY]Tab^$the30conformity
1&21(=!$81of2%5
%:53!indication
&'!0%$!1&$to1%an& %as"5glycerin
may
be33
either
Accuracy
differ&$3(&%4volume.
?14:=3-Liquid-filled
!x:!'72!443'0cases
%"3"=%
8>
!$3(1open
93&
%accepted
0039$3'"standard
$%&'%('1or($true
(:3?value.
%4:3-c0
0:(%08!is"$the3'!
223(7 !internal
3ence
&03)(error)
3((1(/between
>3$;33&$the3$true
(:3?value
%4:3%and
&'$the35gauge
%:53!
&'!0%7 2front
indicafront
types.
The39:(
purpose
this
construc(1&$1or("solid
14!'2
(1&$$
893"-
91"31of2$
!"0
1&"$(:07
a percent
$tion
!1&3expressed
d9(3""3'%as"%9
3(03&$1of2$the35gauge
%:53"span.
9%&-eIt$!is"$the3 $tion
protect
inter!1&!is"$to13exclude
d04:'3%ambient
=>!3&$0corrosives
1((1"!?3"1or(9(
1$30$the
$3!
&$3(7
nals
damage
caused
by severe
vibration
or
method,
4"2from
(1= '%
=%530
%:"3'>8"
3?3(3?!
>(%$!1&1(
0combined
1=>!&3'3effects
2230$"1of2=3
$1'61observer,
>"3(?3(6%apparatus,
99%(%$:"6%and
&' &%
Accuracy
4"%$!1&3environment.
&?!(1&=3&$-c0
0:(%083error
((1(!includes
&04:'3"hysteresis
8"$3(3"!"%and
&' 9:
pulsation.
but
deter(repeatability
393%$%>!4!$83errors,
((1("6>
:$&not1$2friction
(!0$!1&3error.
((1(-eIt$!is"'3
$3(7 acase,
front
with
case
pressure
relief:
a case
with
TV[_Wopen
\[gf
]WgZ|w
Z†a
TV[\
][VVY][]
[Xw[f^%0
%"3;!
$ %a
mined
under
Table
=!
&3':&
'3("specific
930!2!00conditions.
1&'!$!1&"-#See33
%>43.1.pressure
device
no partition
9(
3"":(3(relief
34!32'3
?!031or(1openings
93&!&5"%and
&'&19%
($!$!1&
accuracy,
a gauge
under
TaaY]Tab_]reference:
[f[][ga[^$the3%accuracy
00:(%081of2%5
%:53:&
'3((refer323(7 between
pressure
element
window
>3$;33&$the39(
3"":(33
43=3&$%and
&'$the3;!
&'1; h[see
"33
: 1°C
3ence
&030conditions
1&'!$!1&"h[normal
&1(=%49position
1"!$!1&%at$O20°C
,ijk.
ij)(approxi%99(1d!7 HFig.
4,6!
illustration
An alternate
is"%
a
!5-+
44:"$(%$!1&)(a)].
%/s-c&%
4$3(&%$30construction
1&"$(:0$!1&!
mately
1 2°F)
Hg (101.32
=%
$348l68°F
miHkO
iH/%and
&'O29.92
n-nO!in.&-o5)
.,.-pOqkPa)
r%/ 94
plastic
window
designed
relieve
internal
%"$!0;!
&'1; 3especially
"930!%448'3
"!5&3'$to1(
34!3?3!
&$3(&%4
barometric
pressure].
>%(1=3$(!09(
3"":(3s0case
%"39(
3"":(3pressure.
adjustment,
pointer
a means
TtuYVZv[gZ_\
WwgZ[]windication:
gtwaTZwWg^%=3
%&"1of20causing
%:"!&5%a acase,
TV[_openfront
W\[gf]WgZ|w
Z†WYZcase
aTV[pressure
\][VVY][]
[Xw[f^%0
%"3having
%?!&5&
without
relief:
a case
no1
0change
%&53!in&!indication.
&'!0%$!1&-The30change
%&53!is"%approximately
99(1d!=%$3483equal
x:%4 9%
partition
between
the39(
pressure
element
the3;!
window,
($!$!1&>
3$;33&$
3"":(33
43=3&$%and
&'$
&'1;6
1over
?3($the33entire
&$!(3"scale.
0%43-#Some
1=33examples
d%=943"1of2$this!"$type
8931of2 %and
no19
pressure
relief
devices
4,6
&'&
(3"":(3(
34!32'3
?!03"1or(1openings
93&!&5"h[see
"33HFig.
!5-+
pointers,
dials,
%adjustment
'y:"$=3&$%are(3%adjustable
'y:"$%>4391
!&$3("6(rotatable
1$%$%>43'!
%4"6(rotat1$%$7 !illustration
44:"$(%$!1&)(a)].
%/smovements,
%able
>43=1
?3=3&$"6%and
&'1other
$3("similar
!=!4%(!items.
$3="-This!"%adjust'y:"$7 acase,
a case
capable
maintaining
a presTV[_pressure
\][VVY][Ztight:
ẁ†Z^%0
%"30
%9%>431of2=%
!&$%!&!&5%9(
3"7
ment,
provided,
=3
&$6!if29(
1?!'3'6!is"5generally
3&3(%448%accessible
003""!>43$to1$the35gauge
%:53 "sure
differential
between
the3!
inside
and
the31
outside
of2
:
(
3'!
2
2
3
(
3
&
$
!
%
4>
3
$
;3
3
&$
&
"
!
'3%
&
'$
:$
"
!
'31
user
para.
:"
3()(see
"339%
(%-p3.3.4).
-p-+/$the30case.
%"3adjustment,
a means
a change
TtuYVZv[gZ_Vspan:
\Tg^%=3
%&"1of20causing
%:"!&5%0
%&53!in&$the3 acase
wg`^"see33]ring.
wg`‡
a given
in
pressure.
%angle
&5431of29pointer
1!&$3((rotation
1$%$!1&2for1(%5
!?3&0change
%&53!
&9(
3"":(3- TV[]ring:
a case
ambient
TV[_sealed:
V[TX[t^%0
%"3$that%$!is""sealed
3%43'$to13exclude
d04:'3%
=>!3&$0corro1((17
not generally
This!"%adjustment
'y:"$=3&$!is"&1$53
&3(%448%accessible
003""!>43$to1$the3 acase,
"sives.
!?3"user.
5gauge
%:53:"
3(size,
ambient
pressure:
pressure,
acase,
TV[_size:
Vw}[^"see33V
w}[_gauge.
`TY`[TvUw[gZ\
][VVY][^"see33\
][VVY][_ambient.
TvUw[gZO2
ˆ‰Š‹ŒŽ ‘’““”‘•‹‘–‘—˜–Œ™š›‘œ‰™–‹‘‰‘ž–™š›™šŸ‘›Ž›––Œ¡¢
£‰Œ–ŠŒ‰¤¥™‰›‘˜š‹‘•–‘˜š¤–‘‰‘¡‘˜š–ŒšŸ‘¦‰¥‘¦Œ–›‘™‰›¡–›‘‰‘—œž ¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
Accuracy
!""#$"%&$
'(
Grades
Table 1
6Permissible
)*+,--,./)3Error
**0*
,
1,+2+
Minimum
Span)
(236Percent
)*4)150of647
81(Excluding
394/2:,1;<Friction)
*,45,01
7Recommended
)40++)1:):
1Accuracy
442*84=
8
9,+2+<Friction
*,45,01 08
2;)4Size
,>)
Maximum
Gauge
Arc)
0*
8:) Lower
0?)*1/2,@0of644
8/)
,
::/)1/2@0of644
8/)
27
7)*1/4@0of644
8/) (Percent
6)*4)150of647
81 (270
A:deg
);Dial,8/1
*4
Grade
Scale
Middle
Scale
Upper
Scale
Span)
>H
B4AC
D<
E0.1FG
I[Note
JKLMN(1)]
GOP
Q81/2GGRS
>H
T3AC
D<
E0.25
FSU
E0.25
FSU
B41/2RS
S2AC
D<
E0.5FU
E0.5FU
S21/2GGRS
>H
>H
G1AC
D<
G1.0FE
G1.0FE
G11/2GRS
CA
S2.0FE
G1.0FE
S2.0FE
G1.0FE
G11/2GRS
VB
T3.0FE
S2.0FE
T3.0FE
S2.0FE
G11/2RS
WC
B4.0FE
T3.0FE
B4.0FE
T3.0FE
G11/2GGRS
XD
U5.0FE
U5.0FE
U5.0FE
T3.0FE
G11/2RS
GENERAL
NOTE:
is permissible
YZ
JZ[C\J]^
Z_\Light
àbLLtapping
cddèaKoffLthe
bMagauge
cgaMhcase
ciMìd
Mjkìil̀mMcatLMeach
chbdpressure
jMiigjMjreading.
McnèaF
NOTE:
J]^
Z_
N(1)GOYj
cnMB4ACagauges
cgaMikg
iLjremain
MkcèoL̀
bèispecified
dMhf̀M̀ntolerance
LKmMjcehMlbefore
MfKjMcand
encafter
fLMjlbeing
Mèam̀lightly
abLmpL
cddMnF
Grade
must
within
tapped.
Pressure
~u
t||}utz€A
1
~Positive
|rwr‰t
pressure
zzz{u
t||}ut
Absolute
€‚|
y}wt
pressure
zzz{u
t||}ut
Differential
qr
sstutvwrxy
zzz{u
t||}ut
Pressure
Pressure
~u
t||}utzB
Ambient
pressure
gauge
pressure)
€‚r
tvwz{u
t||}utzƒ(zero
„tuz†x
}†tz{u
t||}ut‡
Negative
Št
†xwr‰t
pressure
zzz{u
t||}ut
zzzƒ(vacuum)
‰x‹}}‡
ˆtuzx‚| y}wtz{ut||}ut
1
Zero absolute pressure
Terms
ŒFig.
Ž1 Basic
("‘Pressure
$((#$
$’(
front
pressure
a case
having
could
performance
of the
“case,
”•–—•solid
˜™š›œ
˜žŸwith
šŸ¡¢
–••£–relief
–™š–œ¤back:
”“¥¦§¨
§©ª«
§¬­®¯§a ¨conditions
³®¼­²­³®©²that
«§²¨
³¶»¼§affect
ª¨²²the
«ª°ª
±Â³±µ§®¨ª³Â²
ǻ
partition
with
minimum
between
°§
±²­²­³®´­
²«µ­
®­µ¶µ ³openir1g(s)
°ª®­®¯·©¸¹
ª²´ªª®²the
«ª°
±ª©º ¯gauge.
§¶¯ª¿
preswindow,
a pressure-relieving
©sure
¶±ªªelement
»ªµª®²§and
®¼²the
«ª´­
®¼³´½§and
®¼§°±
ª©©¶±ªº±ª»­ª¬­®¯ “conditions,
extreme
operating:
limits
environ˜ž›šŸš˜ž•—–
͟–Ç–˜
¢–”ŸšžÉ¦²the
«ª»
­µ­²©³of²the
«ªª
®¬­±³®º
back.
Theª°§
partition
may
beª§
an
part
¹§¨¾¿À«
±²­²­³®µ§
Á¹
®­integral
®²ª¯±§»°§
±²³of²the
«ª¨case
§©ª µª
within
which
the
instrument
mental
conditions
may
beª
®
²
§
»
¨
³
®
¼­
²
­
³
®
©´­
²
«
­
®´«
­
¨
«²
«
ª­
®
©
²
±
¶µª
®
²µ§
Á¹
Ã[see
©ªªÄFig.
­¯¿4,Ž­illustration
»»¶©²±§²­³®·(b)].
¹¸Æ¿
Under
these
the
accuracy
³operated.
°ª±§²ª¼¿Î®
¼ª±²
«ª©ª¨conditions,
³®¼­²­³®©½²
«ª©stated
²§²ª¼§
¨¨¶±§¨Á
¼³
ª©®
³²®
ª¨ª©©§±­»Á§apply.
°°»Á¿
“column,
˜™£Çž—™liquid:
šÈ£š›¦©seeªª™liquid
šÈ£š›“column.
˜™£Çž¿
does
not
necessarily
gauge:
gauge,
operating:
“conditions,
˜ž›šŸš˜ž•—žnormal
˜Ç”™˜
¢–”ŸšžÉ¦²the
«ªªenvironmental
®¬­±³®µª®²§»¨condi³®¼­º
“compound
˜Ç¢˜£ž›É
”£É–¦©seeªªÉ
”£É–—“compound.
˜Ç¢˜£ž›¿
tions
in
which
the
stated
accuracy
applies.
²
­
³
®
©­
®´«
­
¨
«²
«
ª©
²
§
²
ª
¼§
¨
¨
¶±
§
¨
Á§
°
°
»
­
ª
©
¿
“conditions,
˜ž›šŸš˜ž•—–environmental:
žÊš˜žÇ–žŸ”™¦²the
«ª¨conditions
³®¼­²­³®©ªexternal
˲ª±®§»²to³²the
ǻ
weather,
that
is©§
algebraically
added
to³§
an
˜–“Ÿš˜ž¦²the
«ªÏquantity
¶§®²­²Á²
«§²­
»¯ª¹±§­¨§»»Á§
¼¼ª¼²
®
¯gauge,
§¶¯ª½­including
®¨»¶¼­®¯´ª
§²«ª±½²temperature,
ªµ°ª±§²¶±ª½«humidity,
¶µ­¼­²Á½©salt
§»² “correction:
Value
to³³
obtain
the
Value.
Theª§
algebraic
®¼­¨§²ª¼¬
§»¶ª²
¹²§­®²
«ª²true
±¶ª¬
§»¶ª¿À«
»¯ª¹±§­¨
©spray,
°±§Á½¬Vibration,
­¹±§²­³®½¨corrosive
³±±³©­¬ª§atmosphere,
²µ³©°«ª±ª½§and
®¼³other
²«ª±©similar
­µ­»§± ­indicated
Ì
3
American
Mechanical
Engineers.
Copyright
ÐÑ
ÒÓÔÕÖ×Ø©ÙÚ2006
ÛÛÜÙÝbyÓÙthe
Ø×ÞÙßàÞ
ÔÕáâãÙäSociety
ÑáÕÞØÓÙÑofåÙæÞ
á×âãÕáâçÙèã
ÖÕãÞÞÔéê
No
material
ASME.
ëÑÔreproduction
ÞÒÔÑìíáØÕÑãÙmay
àâÓÙÝbeÞÙmade
àâìÞÙÑofåÙØthis
×ÕéÙàâ
ØÞÔÕâçÙwithout
îÕØ×ÑíØÙwritten
îÔÕØØÞãÙáconsent
ÑãéÞãØÙÑofåÙßä
æèê
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
Bourdon
\FV
KHFP>tube
OVEC
@I[
WOCL>XMFNYCOZ
<— Stem (socket)
Case
=IPY
UKCMMVKC
>>NFPPCNOIFP
Element
"Pressure
&/&.T!
+$%
Assembly
Detail
*
+,!-.
%!
g <— Pressure
connection
WNDRC
>>XJKDHVDOIFPMZ
Element
"Pressure
&/&.T!
+$%
Assembly
*+,!-
Dial!
Stop
pin
WO
F[>[I
P
"Pointer
#$%&
'Window
$(#)
7Ring
$1
Assembly
Gauge
*
+,!-."Pressure
&/&.0
/1
2(Typical)
3-45!6
GENERAL
NOTE:
diagrams
notO
details.
89
:9;<=>:?@
9A>The
@BC>Dabove
EFGC>HI
DJKDLM>DareKC>Mschematic
NBCLDOIN>Dand
PH>PF
>Iintended
POCPHCH>toOF>Mshow
BFQ>Hdesign
CMIJP>HC
ODIRMS
Gauge
]Fig.
^_`a2 bPressure
cdeefcdgh
f_diComponents
jkljmdmneo(C-Type
ipqrldsBourdon
jfctjmuIllustrated)
vvfenchndtw
x
4
American
Mechanical
Engineers.
Copyright
yz
{|}~€©‚ƒ2006
„„‚†by|‚the
€‡‚ˆ‰‡
}~Š‹Œ‚Society
zŠ~‡|‚zofŽ‚‡
Š€‹Œ~Š‹‚‘Œ
~Œ‡‡}’“ 963$
No
material
ASME.
”z}reproduction
‡{}z•–Š~zŒ‚may
‰‹|‚†be‡‚made
‰‹•‡‚zofŽ‚this
€~’‚‰‹
‡}~‹‚without
—~€z–‚written
—}~‡Œ‚Šconsent
zŒ’‡Œ‚zofŽ‚ˆ
‘“ 53'
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
W
er\
C-Type Bourdon Tube
143
ASME B40.100-2005
Helical Bourdon Tube
Diaphragm Capsule
Spiral Bourdon Tube
Bellows
/\/\rQ-\/\/‘
’/
Diaphragm
GENERAL
NOTE:
various
types
!"
#"The
$%&above
'()%*diagrams
+&,-&./(of0)
&-+(1/2
34%/(of0%elastic
5&/2+6%elements
5%.%72/1used
/%*+in74pressure
-%//1-%,gauges
&1,%/&are-%/schematic
6$%.&2+6&and
7*7not(2
+intended
72%7*%*2to(/show
$(8*design
%/+,7*detail.
%2&+59
:Fig.
;<=>3 ?Elastic
@ABC;D?Elements
@EFEGCB
the
window.
Hsign
IJKLofMNthe
OPQcorrection
LRRPQNILKIisHLopposite
SSLHINPNtoLNthe
OPHsign
IJKLofMN
OPPerror.
RRLRT UCrystal:
WpXq\]`HseePPrY
ZsVrT
failure:
failure,
weight
a pressure-testing
device
bymfO
which
Ucorrosion
VWWVXYVZ[
\Y]^W_`HseePP[
\Y]^W_aUcorrosion.
VWWVXYVZT
sdead
_\sr_
Ytuqqtester:
_Xq_W`cSR
PHHhRPkNPHNIKJeP
dIQPv
IQO
very
accurate
known
pressures
can
be
generated
by
d
P
R
mc
Q
Q
hR
c
N
Pw
KL
fKSR
P
H
H
hR
P
HQ
c
Kv
PJ
P
KP
R
c
N
P
ev
m
a progressive
with
Ucreep:
W__b`cS
RLJRPHHIdPQchange
OcKJPIinKIindication
KeIQcNILKfI
NOQconstant
LKHNcKN jP
means
of
a
pressure
source
and
a
piston
gage.
c
K
HL
McSR
P
H
H
h
R
PH
L
hR
Q
Pc
K
ecSI
H
N
L
KJ
c
J
P
T
pressure,
under
capplied
SSgIPeS
RPHHhRPihK
ePRNthe
OPHsame
cjPPenvironmental
KdIRLKjPKNcgQcondiLKeIk
usually
a percentage
perR s
dial:
component
scale
and
nomenY\]`Nthe
OPQ
LjSLKPKNNthat
OcNQcontains
LKNcIKHNthe
OPH
QcgPc
KeK
LjPKk
Ntions.
ILKHTlItNIisHhH
hcggmPexpressed
nSRPHHPecasHcS
PRQPKNcJPLofMHspan
ScKSP
unit
Qclature.
gcNhRPT
hK
INLofMNtime.
IjPT
o
American
Mechanical
Engineers.
Copyright
xy
z{|}~€©‚2006
ƒƒ„by{the
€†‡ˆ†
|}‰Š‹ŒSociety
y‰}†€{yofŽ†
‰Š‹}‰Š‹
~}‹††|‘’
No
reproduction
may
be
made
ofthis
material
without
written
consent
ASME.
“y|
†
z
|
y
”
•
‰
€
}
y
‹

ˆŠ
{

†

ˆŠ
”
†

y


€

}
‘

ˆŠ
€
†
|
}
Š


–}
€

y
•
€

–|
}
€
€
†
‹

‰
y
‹
‘
†
‹€yof‡Œ
Ž’ 3%[
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
J
Ring
L
Case
/
-4- Case
Pressure
relief plug
P ressure
Window ->
ml
relief opening
Dial
With Pressure Relief
Without Pressure Relief
@§X\\\\\\\\\\\
1
Soc ket
(a) Open Front
Ring
Solid front
w
I
I
I I I
'
LN
I
L
A
N
’
/
/
/
Window —>l
N
N
N
N
N
/
T
/
/
N
/
N
/
Dial
l.
relief back
N
;
:
/
/
N
N
/
\
v-7-/
Pressure
4'4
Case
lblsolid Front With Pressure Relief Back
Fig.
4 Cases
!"#"
$6
%&'()*+,- ./001.2(.-,3.453)*678.9&6*3-(.&:.;36,78*67<.=8+*833)>?
@&)3')&AB6-*&8.57(.23.57A3.&:.-,*>.57-3)*7<.C*-,&B-.C)*--38.6&8>38-.&:.49;=? 3%-
Copyright © 2006 by the American Society of Mechanical Engineers.
No
reproduction
may be made ofthis material without written consent of ASME.
[
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
Cerror:
bbdbDKthe
WOFG
TTONOIJOh
OKUOOIKthe
WOG
IFGJEKOFf
EHQOE
IFKthe
WO
difference
between
indicated
Value
and
Ktrue
NQOf
E
H
QOS
TK
W
Of
E
N
G
E
h
H
Oh
O
G
I
LRO
E
P
Q
N
O
F[yMS
P
G
K
G
fO
value of the variable being measured. A positive
denotes
the
value
isPL
greater
Oerror
NNSNFO
ISKOPKthat
WEKK
WOGindicated
IFGJEKOFf
EHQOG
NOEKONKthan
WEI
the
K
W
OK
N
QOf
E
H
QOm
P
O
OE
H
P
SB
d
b
b
C
B
c
<
d
e
o
[
true
value
(see
also
correction).
' '(
Cerror,
bbdb?q
=c<a@CDK
WOJ
WEILOSofTMN
OPPQNOGindication
IFGJEKGSIK
WEK
fatigue:
the
change
pressure
that
&
Nresults
OPQHKPTfrom
NSR Nrepeated
OMOEKOFEapplications
MMHGJEKGSIPSofTPstress
KNOPPm(pressure
MNOPPQNO
Jcycles).
^JHOPo[sItKisGPOexpressed
]MNOPPOFE
ONJOIKELOSofTPspan,
MEIVnumber
IQRhONofST
asPEM
a percentage
minimum
and
maximum
values
J
^
J
H
O
P
V
E
I
FRG
I
G
RQRE
I
FRE
]
G
RQ
Rf
E
H
QO
PS
MNOPPQNO
cycles,
and
ofTpressure
Jcycles.
^JHOP[
difference
between
indicated
readings
Cerror,
bbdb?friction:
qb<Bc<deDKthe
WOFG
TTONOIJOh
OKUOOIG
IFGJEKOFN
OEFGILP
h
O
T
S
N
OE
I
FE
T
K
O
NK
W
OL
E
Q
L
OW
E
Ph
O
O
IH
G
L
W
K
H
^K
E
MMO
F[
before
and
after
the
gauge
has
been
lightly
tapped.
!"
Cerror,
bbdb?lhysteresis:
vAcCbCA<ADKthe
WOFG
TTONOIJOh
OKUOOIG
IJNOEPGILMN
OPj
difference
between
increasing
pres#$%
decreasing
pressure
readings
any
point
Psure
QNOEand
IFFO
JNOEPGILMN
OPPQNON
OEFGILPEatKE
I^MS
GIKSonI
Kthe
WOPscale
JEHOSobtained
hKEGIOFFduring
QNGILEMN
OPPQNOJcycle
^JHOEafter
TKONT
NGJKGSI
a pressure
friction
Oerrors
NNSNPW
EfOh
OOIOeliminated
HGRGIEKOFh
^Ktapping
EMMGILm(see
POOME
NE[6.2.4.3
z[Z[{[n
have
been
by
para.
A-1).
Eand
IF_Fig.
GL[yj
|o[
Dial
)Fig.
*+,-5 .Example
/012345of67Dual
8039Scale
:0347*
03
error
when
the
Cerror,
bbdb?offset:
dqqACcDKthe
WOO
NNSNOexhibited
]WGhGKOFUW
OIK
WOOelastic
HEPKGJOelement
HOROIK
unpressurized.
GisPQI
MNOPPQNG}OF[ItsKisGPO
]MNOPPOFEasPEMO
NJOIKELOSofTPspan
MEI
expressed
a percentage
A-1).
dial,
scale:
a dial
POO_Fig.
GL[yj
|o[
;
<=>?dual
;@=>A
B=>CDEFG
EHGindicating
IFGJEKGILMpressure
NOPPQNOGinIKterms
ONRPSofTKtwo
US m(see
different
units
measure,
FG
TTONOIKQI
GKPSofTRO
EPQNOVSonIJconcentric
SIJOIKNGJEarcs,
NJPVPsuch
QJWEasP Cerror,
position:
the
pressure
indication
that
bbdb?k
dA<c<deDK
WOJchange
WEILOSofTMN
OPPQNOG
IFGJEKGSIK
WEK
many
different
Xkg/cmz
LYJRZ Eand
IFMP
[\I
]ERMHOSofTKthe
WORE
I^FG
TTONOIK Nresults
psi.G
OneOO
example
O
P
QH
K
PUW
O
IK
W
OL
E
QL
OG
E
J
O
FG
IEM
S
P
G
K
G
S
IFG
T
T
O
N
OIK
when
the
gauge
isPMH
placed
in
a position
different
Ktypes
^MOPGinIJcommon
SRRSIQP
HHQPKNEKOFG
I_Fig.
GL[`5.[
useOG
isPG
illustrated
in
Tfrom
NSR Kthat
WEKGinIUW
GJWG
EHGhNEKOF[
which
itKUE
wasPJ
calibrated.
dial
graduations:
division
marks
;
<=>a
b=;@=c<deADKthe
WOGindividual
IFGfGFQEHFG
fGPGSIRE
NXPSofTKthe
WO Cerror,
exhibited
when
the
input
bbdb?span:
Ak=eDthe
KWOOerror
NNSNO
]WGhGKOFUW
OIK
WOG
IMQKisGPEatKmaxiRE]Gj
pressure
magnitude.
Pscale
JEHOKthat
WEKGindicate
IFGJEKOMN
OPPQNORE
LIGKQFO[
mum scale
pressure
minus
error
when
the
RQRP
JEHOMN
OPPQNORG
IQPKthe
WOO
NNSNOexhibited
]WGhGKOFUW
OIK
WO
dial,
mirror:
a dial
with
a reflector
band
;
<=>?g<
bbdbDEFG
EHUG
KWEN
OTHOJKSNh
EIFEadjacent
FiEJOIKKtoSKthe
WO Ginput
isPE
atKRG
minimum
IMQKG
IGRQR Pscale
JEHOMN
OPPQNO[ItsKG
]MNOPPOFEasPEa
pressure.
isPO
expressed
Pscale
JEHOTforSNKthe
WOMQN
MSPOSofTNreducing
OFQJGILNreading-parallax
OEFGILjMENEHHE]Oerrors.
NNSNP[ percentage
purpose
MONJOIKELOSofTPspan.
MEI[
;
<=>enomenclature:
dgCeB>=c@bCDPseeOOenomenclature,
dgCeB>=c@bC?;
<=>[
dial
dial.
pressure
indication
that
Cerror,
bbdb?ctemperature:
CgkCb=c@bCDKthe
WOJchange
WEILOSofTM
NOPPQNOG
IFGJEKGSIK
WEK
OPQHKPUW
OIKthe
WOLgauge
EQLOJ
SRMSIOIKPEareNOEatKEK
ORMONEKQNO
when
components
a temperature
diaphragm:
a single
;
<=klb=agDEanIOelastic
HEPKGJOelement
HOROIKGinIKthe
WOTform
SNRSofTEP
GILHOTflat
HEK Nresults
different
which
they
were
TTONOIKTfrom
NSR Kthe
WOKtemperature
ORMONEKQNOEatKUW
GJWK
WO^UO
NOJcaliEHGj
plate
deforms
provide
displaceSorNJconvoluted
SIfSHQKOFMH
EKOKthat
WEKFO
TSNRPKtoSMN
SfGFOFG
PMHEJOj FG
hNEKOF[
ment
a change
pressure
differential
RO
IKGinINresponse
OPMSIPOKtoSEJ
WEILOGinIMN
OPPQNOFG
TTONOIKGEH brated.
plate
Eacross
JNSPPKthe
WOMH
EKOm(see
POO_Fig.
GL[n3).o[
failure:
failure,
Cexplosive
rk>dA<wCq
=<>@bCDPseeOOq
=<>@bC?explosive.
Crk>dA<wC[
diaphragm
;
<=klb=agBcapsule:
=kA@>CDEanIOelastic
HEPKGJOelement
HOROIKJcomprised
SRMNGPOFSofTKtwo
US Cextreme
operating
see
extreme
rcbCgCd
kCb=c<eaBconditions:
de;<c<deADP
OOBconditions,
de;<c<deA?C
rcbCgC
diaphragm
plates
jointed
a capsule
Jconvoluted
SIfSHQKOFFG
EMWNELR M
HEKOPi
SGIKOFKtoSTform
SNR EJ
EMPQHO doperating
k
C
b
=
c
<
e
a
SorNMN
OPPQNOJcontainer
SIKEGIONKthat
WEKOexpands
]MEIFPEand
IFJcontracts
SIKNEJKPGinI failure,
pressure
corrosion:
element
failure
resulting
from
=<>@bC?B
dbbdA<deDOelastic
HEPKGJO
HOROIKT
EGHQNON
OPQHKGILT
NSR
a change
pressure
differential
Nresponse
OPMSIPOKtoSEJ
WEILOGinIMN
OPPQNOFG
TTONOIKGEHEacross
JNSPPKthe
WO q
J
S
N
N
S
P
G
f
OJ
W
O
RG
J
E
H
E
K
K
E
J
XS
IK
W
OO
H
O
RO
I
K
UE
H
H
Pm
P
O
OM
ENE[
corrosive
chemical
attack
on
the
element
walls
(see
para.
plates.
Diaphragm
may
have
MH
EKOP[pG
EMWNELR Jcapsule
EMPQHOOelements
HOROIKPRE
^W
EfOSone
IOSorN 4.2.7.3).
{
[
Z
[
x
[
n
o
[
provide
displacement
RS
NOJcapsules
EMPQHOPKtoSM
NSfGFOEappropriate
MMNSMNGEKOFG
PMHEJOROIKm(see
POO
more
_Fig.
GL[n3).o[
failure,
explosive:
element
failure
by
the
q=<>@bC?C
rk>dA<wCDOelastic
HEPKGJO
HOROIKT
EGHQNOJcaused
EQPOFh
^K
WO
Nrelease
OHOEPOS
O]MHSPGfOOenergy
IONL^Lgenerated
OIONEKOFh
^EJ
WORGJEHreacNOEJj
ofTexplosive
by
a chemical
differential
gauge:
gauge,
;
<qqCbCec<=>a
=@aCDPseeOOa
=@aC?;differential.
<qqCbCec<=>[
element
para.
Ktion
GSIGinside
IPGFOKthe
WOO
HOROIKm(see
POOME
NE[4.2.7.4).
{[Z[x[{o[
differential
pressure:
pressure,
;
<qqCbCec<=>k
bCAA@bCDPseeOOk
bCAA@bC?;diflerential.
<qqCbCec<=>[
failure,
fatigue:
q=<>@bC?q
=c<a@CDOelastic
HEPKGJOelement
HOROIKTfailure
EGHQNONresulting
OPQHKGILTfrom
NSR
duplex
gauge:
gauge,
;
@k>Cra
=@aCDPseeOOa
=@aC?;duplex.
@k>Cr[
repeated
applications
(see
para.
4.2.7.1).
N
O
M
O
E
K
O
FE
MMH
G
J
E
K
G
S
I
PS
K
N
O
P
Pm
P
O
OM
E
N
E
[
{
[
Z
[
x
[
|
o
[
ofTP
stress
elastic
C
>=Ac<BCelement:
>CgCecDPseeOOCelement,
>CgCec?Celastic.
>=Ac<B[
by^K
the
q=<>@bC?doverpressure:
wCbkbCAA@bCDOelastic
HEPKGJOelement
HOROIKfailure
TEGHQNOJcaused
EQPOFh
WO
element,
the
pressure
C
>CgCec?Celastic:
>=Ac<BDKthe
WOOelastic
HEPKGJJcomponent
SRMSIOIKSofTK
WOMN
OPPQNO failure,
application
ofTG
internal
pressure
(positive
orNI
negative)
in
E
M
M
H
G
J
E
K
G
S
IS
I
K
O
N
I
E
H
MN
O
P
P
QN
Om
MS
P
G
K
G
f
OS
O
L
E
K
G
f
O
o
GI
moves
Oelement
HOROIKEassembly
PPORhH^Kthat
WEKRS
fOPGinINresponse
OPMSIPOKtoSMN
OPPQNO Oexcess
pressure
ofTK
the
element
(see
para.
]
J
O
P
PS
W
ON
E
K
O
FMN
O
P
P
QN
OS
W
OO
H
O
RO
I
Km
P
O
OM
E
N
E[
ofTK
the
rated
pressure
may
beOEtS
a Bourdon
diaphragm,
Jchanges.
WEILOP[sItKRE
^h
QNFSIKtube,
QhOVbellows,
hOHHSUPVFG
EMWNELRV 4.2.7.2).
{
[
Z
[
x
[
Z
o
[
member
3).
SorNSother
KWONKtype
^MOSofTRO
RhONm(see
POO_Fig.
GL[n
o[
a result
q=<>@bC?dovertemperature:
wCbcCgkCb=c@bCDfailure
TEGHQNOEasPEN
OPQHKSofTJcontinuous
SIKGIQSQP
element
assembly,
pressure:
C
>CgCec=
AACgu>v?k
bCAA@bCDKthe
WOEassembly,
PPORhH^VGincluding
IJHQFGILKthe
WO failure,
exposure
toSW
high
ambient
temperature.
O
]
MS
P
QN
OK
G
L
WE
Rh
G
O
I
KK
O
RM
O
N
E
K
QN
O
[
a pressure
Oelastic
HEPKGJOelement,
HOROIKVKthat
WEKJconverts
SIfONKPEMN
OPPQNOJchange
WEILOGinto
IKS
a result
q=<>@bC?cthermal
lCbg=>shock:
AldB~DTfailure
EGHQNOEasPEN
OPQHKSofTrepeated,
NOMOEKOFVNrapid
EMGF
motion.
may
a stem,
RS
KGSI[sItKRE
^Ealso
HPSGinclude
IJHQFOEP
KORVKtip,
GMVNrestrictor,
OPKNGJKSNVEand
IF failure,
extremes.
Oexposure
]MSPQNOKtoSEambient
RhGOIKKtemperature
ORMONEKQNOO
]KNOROP[
Sother
KWONJcomponents
SRMSIOIKPm(see
POO_Fig.
GL[Z2).o[
environmental
failure:
failure,
q=c<a@Cq
=<>@bCDPseeOOq
=<>@bC?fatigue.
q=c<a@C[
C
ew<bdegCec=>Bconditions:
de;<c<deADPseeOOBconditions,
de;<c<deA?Cenvironmental.
ew<bdegCec=>[ fatigue
&&
x7
€‚ƒ„†‡ ˆ‰ŠŠ‹ˆŒ‚ˆ‡†ˆŽƒ„‘’ˆ“€„‡‚ˆ€”ˆ•†‘’„‘–ˆ—’„’ƒ˜™
š€ƒƒ€›œ‡„€’ˆ‘‚ˆŒˆ‘›ˆ€”ˆ‡†„˜ˆ‘‡ƒ„‘–ˆ„‡†€œ‡ˆƒ„‡‡’ˆ€’˜’‡ˆ€”ˆŽ“•—™
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
many
in
!"#"$"%&'!(()*+,(&-).(&+'/0&!1()2&*$"'!%)"!"' 'the
/&%!
"#1)
,,&0&"''types
#J&6)
"*
$%%$"N6
/$3")
"
different
in
common
use&)
is66
shown
3)
'
/!(
&
"
4
'
/
5
'
$
5
1)
!
%&
'
&
00
!
'
)
$$
,!
'(
&
!
6
'7
8
9
W
)
4
9
_
9
with a length—to-diameter ratio of at least 10.
Fig. 7.
C
D;CE<
@C:!4
!N4&/
!M)"4$one
"&J0
&66N0&*
$""&*')$"
gauge,
single:
a gauge
having
pressure
connection
:;<=>?
;@AB 6see&&C
D;CEflush
:;<=>?
;@AB9
flush
mounted:
gauge,
mounted.
and
one
pointer,
which
indicates
one
applied
pressure.
!
"
1$
"
&J$
)
"
'
&
0
+
3/
)
*
/)
"
1)
*
!
'
&
6$
"
&!
JJ(
)
&
1J0
&66N0&9
friction
FA?@error:
?6see&&error,
?Efriction.
FA?@9
gauge,
specific
a gauge
designed
a specific
CD;CE<
LFF<service:
[F !4
!N4&1&
6)4"&1,for$0!6
J&*),)*
friction
FA?@ring:
@C 6see&&ring,
@CEfriction.
FA?@9
6
&
0
M
)
*
&
+6
N*
/!
"
1)
*
!
'
)
"
4'
/
&J
0
&
6
6
N0
&$
J(
$6)M&+
service,
such
as6)
indicating
the
pressure
of,&
explosive,
ft
H2O:
AG
&&Jpara.
!0!9K3.3.2.1.
9K9H979
see
HI 6
*corrosive,
$00$6)M&+$or0M
)6*$N6%&
1)!O(see
6&&J!
0!94.3.8).
R9K9TQ9
viscous
media
para.
;::<scale
FD:L
<<;6see&&L
<<;Efull
;::<scale.
FD:9
full
pressure:
pressure,
CD;CE<
A>`(socket)
<?FaAb>?
;@AB !4!
N4&6supported
NJJ$0'&1.#
gauge,
stem
mounted:
a gauge
by
attachment
at
the
stem
(socket)
!
'
'
!
*
/
%&
"
'
!
'
'
/
&6
'
&
%O
6
$
*
2
&
'
Q
J
0
&
6
6
N0
&*
$
"
"
&
*
'
)
$
"O
6
&&
pressure
connection
(see
CDCEL
<A?@ !1&
M)*&'that
/!')indicates
"1)*!'&6'the
/&J
0&6&"*&$of,!a WFig.
gage,
piston:
a device
presence
6).
)
4
9
P
Q
9
J0&1&'&0%)"&1J0
&66N0&.
#%&
!"6$of,weights
3&)4/'6(loaded
$!1&1$on"
predetermined
pressure
by
means
a floating
piston
a ball
!an"&effective
,,&*')M&!area
0&!6such
N*/!as6!,
($!')"4J)
6'$"$or0!.
!((O(see
6&& gauge,
CD;CE<suppressed
;LL<<B<
FD:!4
!N4&/
!M)"4!6
*!(&'that
/!'6starts
'!0'6
scale:
a gauge
having
a scale
J!
0!9P6.1.1.2).
97979HQ9
para.
!at'6some
$%&M
!(N&!appreciably
JJ0&*)!.(#!above
.$M&c
&0$O(see
6&&J!
0!93.4.1.7).
K9R979_Q9
value
zero
para.
example
many
different
types
common
-!%J(&$of,'the
/&%!
"#1)
,,&0&"''
#J&6)in"*
$%%$"
One&&
CD;CED
<?:;AL
<<;!4
!N4&'that
/!')indicates
"1)*!'&6!absolute
.6$(N'& ^"
gauge,
absolute
pressure:
a gauge
shown
in
Fig.
8.
N6
&)
66
/
$
3")
"W
)
4
9
T
9
use
is
J0&66N0&O(see
6&&J!
0!9K3.4.1.12).
9R9797HQ9
pressure
para.
CD;CE<surface
;DF`(wall)
dD::b>?
;@AB!4
!N4&3/
$6&*case
!6&*
!".
gauge,
mounted:
a gauge
whose
can
be&
gauge,
para.
CD;CEacetylene:
DFAS:@6see&&J
!0!94.3.8.2.
R9K9T9H9
%$
N"
'
&
1'
$!3!
(
($
(
!
'6
N0
,
!
*
&O
6
&
&W
)
4
9
P
Q
9
mounted
to
a wall
or0,
flat
surface
(see
Fig.
6).
gauge,
para.
CD;CEammonia:
D>>?@D6see&&J
!0!94.3.8.3.
R9K9T9K9
CD;CEAtemperature
>LDA;F
?>L@<DAB !4
!N4&'that
/!')
$%J&"5
gauge,
compensated:
a gauge
is6*
compengauge,
CD;CEFchemical:
=>FD:6see&&Jpara.
!0!9R4.3.8.4.
9K9T9R9
by
6sated
!'&1'to$0reduce
&1N*&&errors
00$06*caused
!N6&1.
#$operation
J&0!')$"!at'!ambient
%.)&"'
gauge,
a gauge
which
it'3!
was6*
calibrated.
&%J&0!'N0&6$other
'/&0'than
/!"'that
/!'!at'3/
)*/)
!().0!'&19
CD;CEFcompound:
?>L?;@B !4
!N4&'that
/!')indicates
"1)*!'&6.
$'/J
$6)')M& 'temperatures
both
positive
3.4.1.8).
!and
"1"
&4!')M&4gauge
!N4&J0
&66N0&O(see
6&&J!
0!9K
9R979TQ9
negative
pressure
para.
gauge,
CD;CEAtest:
<A!4
!N4&N
6&1'to$*check
/&*2'the
/&!accuracy
**N0!*#$
'/&0
a gauge
used
of,$
other
!N4&6$or0J0
&66N0&5!*'N!'&11&
M)*&69]/
&6'4gauge
!N4&/
!6
pressure-actuated
devices.
The&'
test
has
CD;CEBdiflerential:
@AD:!4
!N4&/having
!M)"4'two
3$J0
&66N0&*connec$""&*5 4gauges
gauge,
a gauge
pressure
better
than
the
device
being
**N0!*#6significantly
)4"),)*!"'(#.
&''&0'
/!"'
/&1&
M)*&.
&)"4
a pointer,
which
difference
'tions
)$"6!and
"1!J$
)"'&0+3/)
*/)indicates
"1)*!'&6'the
/&1)
,,&0&"*& !an"!accuracy
'tested.
&6'&19
.&'3&&"'two
3$!applied
JJ()&1Jpressures.
0&66N0&69
between
vacuum:
a gauge
indicates
negative
CD;CE[
DF;;> !4
!N4&'that
/!')
"1)*!'&6"
&4!')M&4gauge
!N4&
CD;CEBduplex:
;L:U!4
!N4&/
!M)"4'two
3$J0
&66N0&*connections
$""&*')$"6 gauge,
gauge,
a gauge
having
pressure
pressure
&66N0&O(vacuum).
M!*NN%Q9
pointers,
pressures
!and
"1'two
3$J
$)"'&06+which
3/)*/)indicate
"1)*!'&'two
3$!applied
JJ()&1J0
&66N0&6 J0
6simultaneously.
)%N('!"&$N6(#9
CDB;DA?@<EBdial:
D:6see&&B
D:Egraduations.
CDB;DA?@<9
graduations,
dial,
gauge,
mounted:
a gauge
provided
with
CD;CEflush
:;<=>?
;@AB!4
!N4&J
0$M)1&13)
'/6supporting
NJJ$0')"4 grommet:
C?>>A6see&&L
:;CEpressure
L<<;relief.
:9
plug,
%&
!"6$on"'the
/&*case
!6&6so$'that
/!')
#.
&''through
/0$N4/!/
$(& H2O:
means
it'%!
may
be&6
set
a hole
GHI 3!
'&09
water.
a panel.
When
dial
)in"!J!
"&(9V/
&")installed,
"6'!((&1+'the
/&1)
!()is6!approximately
JJ0$-)%!'&(# Hg:
mercury.
GC %&
0*N0#9
with
panel
,flush
(N6/3)
'/'the
/&J!
"&(O(see
6&&WFig.
)49P6).Q9
gauge:
gauge,
SBD;:FC
D;C6see&&C
D;CEhydraulic.
=SBD;:F9
gauge,
a gauge
designed
presCD;CE=hydraulic:
SBD;:F!4
!N4&1&
6)4"&1'to$)indicate
"1)*!'&'the
/&J0
&65 =hydraulic
6sure
N0&1&
M&($J&1)in"/
#10!N()*6systems.
#6'&%69XIt'%!
#.
YN)JJ&1 =hysteresis
developed
hydraulic
may
be&&
equipped
error:
S<A<<
?6see&&error,
?E=hysteresis.
S<A<<9
with
a protective
means
prevent
damage
to$'
the
3)'/!J
0$'&*')M&%&
!"6'to$J0
&M&"'1!
%!4&'
/&)inter"'&05 in.@eH2O:
para.
GHI 6see&&J
!0!93.3.2.1.
K9K9H979
nals
a sudden
pressure
"!(6)in"'the
/&&event
M&"'$of,!6
N11&"J0
&66N0&0release.
&(&!6&9
in.
3.3.2.1.
@eHg:
GC 6see&&Jpara.
!0!9K
9K9H979
gauge,
filled:
a gauge
which
CD;CE:liquid
Z;B
::B !4
!N4&)in"3/
)*/'the
/&*case
!6&)is6,filled
)((&1 stop,
internal
@A@D:<stop:
A?L 6see&&<
A?LEinternal.
@A@D:9
with
a liquid
3)
'/!(
)YN)1O(see
6&&Fcase,
D<E:liquid
Z;B
::BQ9
filled).
H
para.
CfF> 6see&&J
!0!93.3.2.1.
K9K9H979
gauge,
a gauge
with
a dial
CD;CE:liquid
Z;B:level:
[:!4
!N4&3)
'/!1)
!(4graduated
0!1N!'&1)in"Nunits
")'6 akg/cmz:
para.
akPa:
gD6see&&J
!0!9K3.3.2.1.
9K9H979
water.
$of,/head
&!1/heights,
&)4/'6+6such
N*/!as6,feet
&&'O(meters)
%&'&06Q$of,3!
'&09
window.
:lens:
@<6see&&d
@B?d9
gauge,
CD;CE?oxygen:
USC@ 6see&&Jpara.
!0!94.3.8.5.
R9K9T9\9
life,
fatigue:
number
beyond
which
/&"
N%.&0$of,pressure
J0&66N0&*cycles
#*(&6.
&#$"13/
)*/
gauge,
a device
indicates
CD;CEpressure:
L<<;!1&
M)*&'that
/!'6senses
&"6&6!and
"1)
"1)*!'&6J0
&65 :EDAC;'the
presleakage
of
the
pressure
element
assembly
may
(&!2!4&$,'/&J0&66N0&&(&%&"'!66&%.(#%!#$occur.
**N09
using
pressure
datum.
6sure
N0&N6
)"4!ambient
%.)&"'J0
&66N0&!as61!
'N%9
Accuracy
may
be&1&
degraded
even
if,(
leakage
has6"$
not'
*N0!*#%!
#.
40!1&1&
M&")
&!2!4&/!
gauge,
a gauge
designed
indicate
CD;CEreceiver:
F[!4
!N4&1&
6)4"&1'to$)
"1)*!'&'the
/&$output
N'JN' h*
occurred
(see
error,
fatigue).
$
*
*
N0
0
&
1O
6
&
&
?
E
D
A
C
;
Q
9
a pneumatic
6signal
)4"!(,from
0$% !J
"&N%!')*'transmitter.
0!"6%)''&09XIt')is6*calibrated
!().0!'&1)in" :link:
the
the
to$
@a'
/&*component
$%J$"&"''that
/!'*connects
$""&*'6'
/&&elastic
(!6')*&element
(&%&"''
The&1)
dial
may
be&4
gradua'terms
&0%6$of,'the
/&'transmitter
0!"6%)''&0$output.
N'JN'9]/
!(%!
#.
0!1N!5 'the
movement.
/
&%$
M
&
%&
"
'
9
pressure,
mea'ted
&1)in"Nunits
")'6$of,J0
&66N0&+'temperature,
&%J&0!'N0&+,flow,
($3+$or0$other
'/&0%&
!5
input.
6surements
N0&%&"'6*corresponding
$00&6J$"1)"4'to$'the
/&'transmitter
0!"6%)''&0)
"JN'9
a pressure
measuring
device
employing
:liquid
Z;BFcolumn:
?:;>@ !J0
&66N0&%&
!6N0)"41&
M)*&&
%J($#)"4
a
column
and
reservoir
of
liquid
(oil,
water,
mercury,
!*
$
(
N%"!
"
10
&
6
&
0
M
$
)
0$
,
(
)
Y
N)
1O
$
)
(
+
3!
'
&
0
+
%&
0*N0#+or$0
gauge,
a gauge
with
a dial
units
CD;CErefrigerant:
CD@A!4
!N4&3)
'/!1)
!(4graduated
0!1N!'&1)in"N"
)'6 $other
liquid).
Pressure
indicated
by
the
height
the
'
/
&
0(
)
Y
N)
1Q
9i0
&
6
6
N0
&)
"
1)
*
!
'
&
1.
#'
/
&/
&
)
4
/
'$of,'
/&
$of,Jpressure
0&66N0&!and
"1&equivalent
YN)M!(&"'6saturation
!'N0!')$"'temperature
&%J&0!'N0&,for$0 (liquid
column,
measured
at
the
meniscus.
)
Y
N)
1*
$
(
N%"
+
%&
!
6
N0
&
1!
''
/
&%&
"
)
6
*
N6
9
0refrigerant(s)
&,0)4&0!"'O6Q$other
'/&0'than
/!"!ammonia.
%%$")!9
filled.
Z;Bj::BFcase:
D<6see&&Fcase,
D<E:liquid
Z;B
::B9
gauge,
a gauge
a scale
CD;CEretard:
ADB!4
!N4&/having
!M)"4!6
*!(&'that
/!')is6*compressed
$%J0&66&1 :liquid—filled
both
para.
One&&
example
gauge:
gauge,
filled.
!at'$one
"&$or0.
$'/&ends
"16O(see
6&&J!
0!9K3.4.1.6).
9R979PQ9^"
-!%J(&$of, :liquid—filled
Z;Bj::BC
D;C6see&&C
D;CE:liquid
Z;B
::B9
fiber: any nonmetallic, flexible, threadlike contaminant
T8
klmnopqrs tuvvwtxntsrytz{yop|}~tl|pysntl€ty|r}~p|}‚tƒ~qp~yyo„
†loymol‡ˆ|spl~t{}ntxyt{}‡ytl€tsrp„t{}syop}‚t‰psrlˆst‰opssy~t|l~„y~stl€tzƒ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
Wall or
panel
\
Mounting
screws (3)
-1
\
/
'1»-..
I J<— Center back
- J’
_
/
connection
.‘__
'
%
L ower bac k
_J,-
%
connection
/
/
/
Bottom
connection
E
Stem Mounted
(Typical Connection Configuration)
_
Surface Mounted
(Back Flange Type)
Pane.
/ <—— Panel
/
/
<—— Panel
U Clamp
4e Mounting
':’TZ
screws (3)
N
'
Hinged
ring
I
4-— Mounting
bolts (3)
Flush Mounted
(Front Flange)
/-—:——J
/
Clamp nuts
Rtng
;
"
/
@ 5
/
/ <—— Panel
(coking
knob
Flush Mounted
(U-Clamp)
j
Panel Mounted
(Hinged Ring Type)
GENERAL
NOTES:
!"
#$
%(a)&'"These
()*)+diagrams
,&-.&/*&are.)*schematic
0()/&1,0&and
2+2not31,intended
21)2+)+1to3*show
(34+design
)*,-2+details.
)1&,5*6
may;&
also
mounted.
%(b)7'#Surface
8.9&0)&and
2+9flush-mounted
58*(:/3821)+0cases
&*)*/&
5*37be)*stem
1)//3
821)+6
<Fig.
=>?@6 ACases/Mounting
BCDCEFGHIJ=I>
K
9
American
Society
Mechanical
Engineers.
Copyright
LM
NOPQRST©UV2006
WWXUYbyOUthe
TSZU[\Z
PQ]^_ÙM
]QZTOUMofaUbZ
]S^_Q]^cUd_
RQ_ZZPef
material
No
ASME.
gMPreproduction
ZNPMhi]TQM_Umay
\^OUYbeZUmade
\^hZUMofaUTthis
SQeU\^
TZPQ^cUwithout
jQTSMiTUwritten
jPQTTZ_U]consent
M_eZ_TUMofaU[`
bdf
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
GENERAL
NOTE:
!"
#$Scale
%&'()shown
*+,-.is)/retarded
(0&/1(12from
/+341050to+630.57
8Fig.
9:;<7 =Example
>?@ABCDofEFRetard
CG?HIJ?
K:C
Gauge
GENERAL
NOTE:
!"
#$Scale
%&'()shown
*+,-.is))suppressed
¢££/())(12from
/+350
57
O to+¤
50.
8 =
8Fig.
9:;¥
>?@ABCDofE¦Suppressed
KAAHC§§CI¦Scale
¨?BCJ?
K:C
Example
Gauge
gauge:
gauge,
Lliquid
MNOMPLlevel
QRQLS
TOSQUVseeWWS
TOSQXLliquid
MNOMPLlevel.
QRQLY
‘\M[]Q^Umthe
nWrcomponent
q}oq~W~mm
nzmiinv~rconjunction
q~©u~rmvq~v
mnmthe
nWwv
zti
that,
with
dial,
manometer:
ASME
Measurement.
ZT
[\ZQ]Q^UVseeWW_`
abcPTC
def19.2,
gYhiPressure
j^QkkO^QlQ
TkO^QZQ[]Y pointer:
indicates
v
~
wv
r
z
m
W
Vo
p
W
V
V
up
W
Y
pressure.
medium:
ZQ
PMOZUmthe
nWop
qrWVVsfluid
tuvwx(gas
yzVqorptliquid).
v{uvw|Y
process
pointer
adjustment:
adjustment,
‘\M[]Q^T
PªOk]ZQ[]UVseeWWT
PªOk]ZQ[]Xpointer.
‘\M[]Q^Y
mirror,
mirror.
ZM
^^\^XPdial:
MTLUVseeWWP
MTLXZM
^^\^Y
dial,
error:
error,
‘\kM]M\[Q
^^\^UVseeWWQ
^^\^Xposition.
‘\kM]M\[Y
mounting:
means
Z\
O[]M[SUmthe
nW}W
z~V
€n
vrnmthe
nWygauge
zuyWvisVvinstalled
~VmzttWwqorp position
by
which
positive
‘\kM]MRQ‘
^QkkO^QUVseeWW‘
^QkkO^QXpositive.
‘\kM]MRQY
pressure:
pressure,
Vsupported.
uooqpmWwY
‘^QkkO^QXabsolute:
T”k\LO]QUzo
pWVVupWuV
v~yzero
Wpqzabsolute
VqtumWop
WVVupW
pressure,
a pressure
using
pressure
Z\
O[]M[SXflush:
‚LOkƒUVseeWWS
TOSQXflush
‚LOkƒZ\
O[]QPY
mounting,
gauge,
mounted.
z
m
u}
x
V
W
W«
v
y
Y
f
|
Y
asVwz
datum
(see
Fig.
1).
mounting,
mounting.
Z\
O[]M[SXgauge:
STOSQUVseeWWZ\
O[]M[SY
ambient:
pressure
the
gauge,
‘^QkkO^QXT
Z”MQ[]Umthe
nWo
pWVVupWVsurrounding
uppqu~wv~ym
nWy
zuyWi
mounting,
gauge,
mounted.
Z\
O[]M[SXkstem
]QZksocket:
\„Q]UVseeWWS
TOSQXstem
k]QZ†(socket)
k\„Q]‡Z\
O[]QPY pressure,
usually
atmospheric
(barometric)
pressure
(see
Fig.
uV
uz
t
t
€z
m
}q
V
on
W
p
v
rx

z
p
q
}W
m
p
v
r
|o
p
W
V
V
up
Wx
V
W
W«
v
yYf1).|Y
mounting,
gauge,
mounted.
Z\
O[]M[SXsurface
kO^‚T„Q†(wall):
ˆTLL‡UVseeWWS
TOSQXsurface
kO^‚T„Q†(wall)
ˆTLL‡Z\
O[]QPY pressure,
pressure,
‘^QkkO^QX”burst:
O^k]UVseeWW‘
^QkkO^QX^rupture.
O‘]O^QY
movement:
Z\
RQZQ[]Umthe
nWygauge
zuyWrcomponent
q}oq~W~mmthat
nzmrconverts
q~‰WpmVopressure
pWVVupW pressure,
difference
‘^QkkO^QXP
M‚‚Q^Q[]MTLUmthe
nWwv
ssWpW~rW
WmWW~m
qo
pWV¡
diflerential:
between
two
presmotion
pointer
motion.
Welement
tW}W~m}q
mvq~mtoqprotary
qmzp€oq
v~mWp}q
mvq~Y
sures
(see
Fig.
1).
V
u
p
W
Vx
V
W
W«
v
y
Y
f
|
Y
NBS:
National
Bureau
NIST).
Š‹ŒUz
mvq~ztŽup
Wzuqofs`Standards
mz~wzpwVx(see
VWWŠ
Œ|Y
pressure
element:
assembly,
‘^QkkO^QQ
LQZQ[]UVseeWWQelement
LQZQ[]T
kkQZ”LXpressure.
‘^QkkO^QY
pressure
pressure,
[negative
QST]MRQ‘
^QkkO^Q†(vacuum):
RT„OOZ‡UVseeWW‘
^QkkO^QX[negative.
QST]MRQY
highest
defined
gradu‘^QkkO^QX‚OLLscale:
k„TLQUthe
mnWn
vynWVmnumerically
~u}Wpvrztt€wW
sv~Wwy
pzwu¡
NIST:
ŠŒUz
mvq~zt’Institute
~VmvmumWqofs`Standards
mz~wzpwVzand
~wd
Wrn~qtqy€ pressure,full
National
Technology
ation
on
the
unretarded
portion
ofsm
the
scale.
z
m
v
q
~q
~m
n
Wu~
p
W
m
z
p
wW
wo
q
p
m
v
q
~q
n
WV
r
z
t
W
Y
NBS).
x(formerly
sqp}Wpt€Ž`
|Y
‘^QkkO^QXgauge:
STOSQUzoq
Vvmv‰Wop
WVVupWx(greater
ypWzmWpmthan
nz~z
}vW~m|
a positive
pressure
ambient)
may
not
restricted
to,
[nomenclature,
\ZQ[„LT]O^QXPdial:
MTLU}z
€vinclude,
~rtuwWibut
umvisV~
qmp
WVmpvrmWwm
qi pressure,
orp~
negative
pressure
(less
than
ambient)
using
ambient
q
W
y
z
m
v
‰
Wop
W
V
V
u
p
Wx
t
W
V
Vm
n
z
~z
}
v
W
~
m
|uV
v
~
yz
}vW~m
mthe
nWsfollowing:
qttqv~y“
pressure
asVwz
datum
(see
Fig.
1).|
op
W
V
V
u
p
Wz
m
u}
x
V
W
W«
v
y
Y
f
Y
materials
†(a)T‡}z
mWpvztVqofsW
mmWwoparts
zpmV
wetted
gauge:
gauge,
‘^QkkO^QS
TOSQUVseeWWS
TOSQXpressure.
‘^QkkO^QY
notices
USE
NO OIL
†(b)”‡prestricted
WVmpvrmWwzapplication
ootvrzmvq~~
qmvrWVVsuch
urnzasV•`
b––’
— pressure
pressure
†(c)„‡op
WVW~rWqofsVspecial
oWrvztsfeatures
WzmupWVVsuch
urnzasVzan~vinternal
~mWp~ztVstop
mqo pressure,
‘^QkkO^QX[negative
QST]MRQ†(vacuum):
RT„OOZ‡Uygauge
zuyWop
WVVupWtless
WVVmthan
nz~
presence
z
}
v
W
~
m
op
W
V
V
up
WuV
v
~
yz
}
v
W
~
mo
p
W
V
V
up
Wz
Vwz
m
u}x
VWW
ambient
pressure
using
ambient
pressure
as
datum
(see
normal
normal
[\
^ZTL\operating
‘Q^T]M[S„conditions:
\[PM]M\[kUVsee
WW„conditions,
\[PM]M\[kX[\
^ZTL «Fig.
1).
v
y
Y
f
|
Y
\operating.
‘Q^T]M[SY
pressure
which
a gauge
isV~
nor‘^QkkO^QXoperating:
\‘Q^T]M[SUthe
mnWop
WVVupWzatmn
vrnzy
zuyWv
qp¡
NPT:
American
pipe
Defined
ŠjU_}W
pvrz~`Standard
mz~wzpwmtaper
zoWpov
oWmthreads.
npWzwVY˜W
sv~Ww pressure,
mally
operated.
}z
t
t
€q
o
W
p
z
m
W
wY
by
ASME
B1.20.1,
Pipe
Threads
Dryseal).
€_`
abŽf
Yh™YfijM
‘Qƒ
^QTPk†(Except
š›„Q‘]œ^
kQTL‡Y
pressure,
positive:
pressure
‘^QkkO^QX‘
\kM]MRQUygauge
zuyWo
pWVVupWygreater
pWzmWpmthan
nz~zambient
}vW~m
pressure:
pressure,
\operating
‘Q^T]M[S‘
^QkkO^QUVseeWW‘
^QkkO^QX\operating.
‘Q^T]M[SY
1).|
pressure
(see
Fig.
op
W
V
V
u
p
Wx
V
W
W«
v
y
Y
f
Y
a pressure
beyond
\overpressure:
RQ^‘^QkkO^QUmthe
nWzapplication
ootvrzmvq~qofszo
pWVVupW
W€q~wmthe
nW pressure,
pressure
ofsm
the
process
medium
‘^QkkO^QXprocess:
‘^\„QkkUmthe
nWop
WVVupWq
nWo
pqrWVV}W
wvu} zatm
sfull
uttVscale
rztWop
WVVupWY
pressure.
the
pressure
m
n
Wop
W
V
V
u
p
Wr
q
~
~
W
r
m
v
q
~q
n
WV
q
r
Ÿ
W
m
V
Y
connection
ofsm
the
sockets.
failure:
failure,
overpressure
\overpressure
RQ^‘^QkkO^Q‚
TMLO^QUVseeWW‚
TMLO^QX\
RQ^‘^QkkO^Q
pressure,
maximum
pressure
a gauge
with‘^QkkO^QXproof:
‘^\\‚Umthe
nW}z
¬v}u}o
pWVVupWzy
zuyWrcan
z~v
mn¡
Pa:
see
para.
3.3.2.1.
jTUVWWozpzYžYžYhYfY
stand
without
evidence
ofsr
change
in
accuracy.
Proof
V
m
z
~
wv
m
n
q
u
mW
‰
v
wW
~
r
Wq
n
z
~
y
Wv
~z
r
r
up
z
r
€
Ycp
q
qs
particle:
fiber.
‘T^]M„LQUzany
~€Vsolid
qtvwrcontaminant
q~mz}v~z~mqother
mnWpmthan
nz~s
vWpY
pressure
may
beWzV
a semidestructive
test
and
not
op
WVVupW}z
€
W}vwWVmpurmv‰Wm
WVmz
~wVshould
nqutw~
qm
gauge.
may
beW
Wrconducted
q~wurmWwprepeatedly
WoWzmWwt€qon~mthe
nWVsame
z}Wy
zuyWY’Itm}z
€
be
pascal:
‘Tk„TLUVseeWWopara.
zpzYž3.3.2.1.
YžYhYfY
expressed
as
a
pressure
or
as
a
percentage
of
full
scale.
W
¬
op
W
V
V
W
wz
Vzop
W
V
V
up
Wq
pz
VzoW
p
r
W
~
m
z
y
Wq
ss
ut
tV
r
z
tWY
piston
gage:
gage,
‘Mk]\[S
TSQUVseeWWS
TSQXpiston.
‘Mk]\[Y
pressure
unless
otherwise
‘^QkkO^QX^rated:
T]QPUsfull
uttVscale
rztWop
WVVupWu~
tWVVq
mnWpvVWVspecoWr¡
plug,
pressure
a plug
in
‘LOSX‘
^QkkO^Q^relief:
QLMQ‚Uzot
uyvinserted
~VWpmWwv
~mthe
nWygauge
zuyWrcase
zVW pressure,
ified.
v
s
v
W
wY
wall
z
ttmthat,
nzmivin~mthe
nWWevent
‰W~mqofszan~Welement
tW}W~mtleak,
WzŸi‰vents,
W~mViminimiz}v~v}v¡
pressure
buildup.
pressure
plug:
plug,
‘^QkkO^Q^relief
QLMQ‚‘
LOSUVseeWW‘
LOSXpressure
‘^QkkO^Q^relief
QLMQ‚Y
ving
~yrcase
zVWo
pWVVupW
uvtwuoY
f™
American
Mechanical
Engineers.
Copyright
­®
¯°±²³´µ©¶·2006
¸¸¹¶ºby°¶the
µ́»¶¼½»
±²¾¿À¶ÁSociety
®¾²»µ°¶®of¶û
¾´¿À²¾¿Ä¶ÅÀ
³²À»»±ÆÇ
No
thisÆ
material
ASME.
È®±reproduction
»¯±®Éʾµ²®À¶may
½¿°¶ºbe»¶made
½¿É»¶®of¶µ́²
¶½¿
µ»±²¿Ä¶without
˲µ́®Êµ¶written
˱²µµ»À¶¾consent
®ÀÆ»Àµ¶®of¶¼Á
ÃÅÇ
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
rupture:
!"#the
$%&'
()&*&+,
%--*,%'above
./0%1$
)2$#the
$% ring,
;JH hinged:
\;JHG"',
)46,retained
%#')4%7.
5'$
)46%U#5+%7%
0)2%'and
47
pressure,
maximum
pressure
which
a ring
by
a hinge—type
device
+,
%
*
,
%%
3
%
&%
4
#
'
%
&.
3
5&'
54
/3
/
4
6
%
,$
/
3
7+,
%
*,
%
8
')
4
6
3
%,
%
#
'
)
4
)
4
62
,
%
18
pressure element assembly may no longer hold pressure.
a single retaining screw.
;JH slip:
=;"',
)46-similar
)&)3',#to/#the
$%?friction
,)2#)/4,
)46%except
(2%+##
$'#
a ring
ring
that
9variable:
:;:<="+,
%--*,%#that
$'#)increases
42,%'-%-/or,7%
2,%'-%-> ring,
pressure,
pressure
decreases,
has
a clearance
with
is-secured
by
'-'2
3%','42%?fit)#1)
#$#the
$%2case
'-%'and
47)
%2*,%7.
5
both,
a rate
/or,.
/#$>'at#',
'#%6greater
,%'#%,#than
$'4#that
$'#'allowed
33/1%7?for/,-steady
#%'75 )it#$
2
,
%
18
+,
%--*,%@&'
5)include
423*7%$)
6$+,
%--*,%>-short
$/,#7duration
*,'#)/4 screws.
pressure;
may
high
pressure,
)impulses
&+*3-%-A(pressure
+,%--*,%-spikes).
+)B%-C8
ring,
;JH snap:
J:"',
)46#
$'#-snaps
4'+-)into
4#/'6
,//0%/on4#
$%2case.
'-%8
a ring
that
a groove
the
;"-see%%+para.
','8D3.3.2.1.
8D8E8F8
psi:
ring,
;JH !threaded:
\:GG"',
)46$
'0)46#threads
$,%'7-#
$'#&'
#2$#
$,%'7a ring
having
that
match
threads
/
4#
$
%2
'
%
8
on
the
case.
psia:
;:"-see%%+para.
','8D3.3.2.1.
8D8E8F8
V:="&'
,B)46-/on4#
$%7)
'3>2
/4-)-#)46/
,'7*'#)/4->
scale:
markings
the
dial,
consisting
of?6
graduations,
;G"-see%%+para.
','8D3.3.2.1.
8D8E8F8
psid:
related
numerals,
and
units
of?&%
measure.
,
%
3
'
#
%
74
*&%
,
'
3
>
'
4
7*4
)
#
-/
'
*,
%
8
3.3.2.1).
;H"+-%%+'
,'8D
8D8E8FC8
psig:
psi)A
(see
para.
sealed
case:
:=GV
:"-see%%Vcase,
:sealed.
:=G8
=:!;IJ"'+%
,)/7)2-surge.
*,6%8
pulsation:
a periodic
the
maximum
deceleration
\IV]^(impact)
;[:V!_resistance:
;!:JV"#
$%&'
()&*& 7%
2%3%,'#)/4'a
range:
:JH"#the
$%$high
)6$'and
473low
/1 3limits
)&)#-/of?#the
$%-scale
2'3%A(including
)423*7)46 shock
6
'
*
6
%2
'
41)
#
$
#
'
4
71)
#
$
/
*#7'
&'
6
%/
0
)7%42%/
gauge
can
withstand
without
damage
or,%
evidence
of?'
a
portions)
,retarded
%#',7%7+/
,#)/4-C%expressed
(+,%--%7)
4#the
$%-sequences
%K*%42%-'and
47 2change
in
$
'
4
6
%)
4'
2
2
*,
'
2
5/
,
%#
$
'
4'+
%
2
)
?
)
%
70
'
3
*%
8
X
#)
in
accuracy
of?&/
more
than
a specified
value.
It
iswhich
*4)
#-)in41$)
2$#they
$%5/occur.
22*,8LFor/,%example:
('&+3%MN0/100
OFNNBkPa,
P'> %expressed
units
to/a
90%
lead(+,%--%7)in46g’s,T->#time
)&%7duration
*,'#)/4A(10%
FN`#
N`/of?the
#$%3
%'7U
E200/500
NNOQNN+>D30N)in.48R60
'2ODN+8
psi,)
Hg vac/30
psi.)
)ing
46%edge
76%/
$%-shock
$/2B+*
3-%C>'and
474
*&.%,/
&+'2#-8
of?#
the
pulse),
number
of?)
impacts.
uncertainty
readability:
:G:<;=;!S"#the
$%*42
%,#')4#5)inherent
4$%,%4#)in4#the
$%/observer's
.-%,0%,T- significant
;HJ;W;V:J!surface:
W:V"-see%%
W:Vb
!!G8
surface,
wetted.
'ability
.)3)#5#to/7%
#%,&)4%#the
$%)indicated
47)2'#%7+
,%--*,%0
'3*%8LFactors
'2#/,- silver
determine
pressure
value.
using
a nonferrous
filler
metal
;=9<brazing:
:c;JH".
,'d)46*
-)46'4
/4?%,,/*-?
)33%,&%
#'3
brazing
#that
$'#&'
5'affect
??%2#,readability
%'7'.)3)#5)include
423*7%3length
%46#$/of?-scale,
2'3%>6gradu,'7*U may
containing
silver.
2
/
4
#
'
)
4
)
4
6)
3
0
%
,
8
pointer
design
'ation
#)/42configuration
/4?)6*,'#)/4'and
47-spacing,
+'2)46>+/
)4#%,7%
-)64'and
47
gauge:
gauge,
;JH=H
:H"-see%%H
:Hsingle.
;JH=8
width,
parallax,
distance
between
1)
7#$>+'
,'33'(>7)
-#'42%.
%#1%%4/observer
.-%,0%,'and
47-scale,
2'3%> single
)illumination,
33*&)4'#)/4>-stability
#'.)3)#5/of?+
/)4#%,>+pointer
/)4#%,'and
47-scale
2'3%2col/3U size,
pointer,
Fig.
;cgauge:
H:H"-see%%L
)689.a8
/ors,
,->'and
47#the
$%3liquid
)K*)73level
%0%33line
)4%)in43liquid-filled
)K*)7U?)33%76gauges.
'*6%-8 slip
=;ring:
;JH"-see%%ring,
;JH slip.
=;8
gauge:
gauge,
receiver
V;9H
:H"-see%%H
:Hreceiver.
V;98
snap
J:ring:
;JH"-see%%ring,
;JH snap.
J:8
gauge:
gauge,
refrigerant
W;H:J!H
:H"-see%%H
:Hrefrigerant.
W;H:J!8
snubber:
a device
that
is-*
used
to/,
reduce
effect
of?
J<<"'7%
0)2%#
$'#)
-%7#
%7*2%#the
$%%
??%2#/
maximum
difference
between
or,#
to/,
reduce
flow
from
repeatability:
:!:<;=;!S"#the
$%&'
()&*& 7)
??%,%42%.
%#1%%4'any
45#two
1/ pressure
+,%--*,%?fluctuations
3*2#*'#)/4-'and
47-surges,
*,6%->/
%7*2%?
3/1?
,/&
/or,&/
,%2consecutive
/4-%2*#)0%)indications
47)2'#)/4-?for/,#the
$%-same
'&%'applied
++3)%7 '+,
%--*,%%element
3%&%4##that
$'#$
'-?failed
')3%7)
4%,0)2%>/or,.
/#$8
more
a pressure
has
in
service,
both.
pressure
under,#
the
operating
ASME
B405.
+,
%--*,%*47%
$%-same
'&%/+%
,'#)462conditions,
/47)#)/4-> eSee%%Ye
fghi
N8Q8
direction,
'approaching
++,/'2$)46?from
,/& #the
$%-same
'&%7)
,%2#)/4>'after
?#%,3lightly
)6$#35#tap'+U IV]!"-see%%
stem.
![8
ping
+)
46#the
$%6gauge.
'*6%8XIt#)is-**'335%expressed
(+,%--%7'as-'+%
,2%4#'6% socket:
usually
a percentage
soft
soldering:
soldering.
IW!
I=G;JH"-see%%
I=G;JH8
/of?-span.
+'48
a metal—joining
process
wherein
I=G;JH^(soft
IW!soldering):
I=G;JH_"'&%
#'3Uj/)4)46+,
/2%--1$
%,%)4
a system-forced
resonance:
IJ:JV",resonance
%-/4'42%/of?'5-#%&U?/,2%7/oscillation
-2)33'#)/4%exists
()-#- soldering
2
/
'
3
%
2
%
4
2
%)
-+,
/
7
*2
%
7.
5$
%
'
#
)
4
6#
/'*)
#
'
.
3
%#
%
&+%
,U
coalescence
is
produced
by
heating
to
a
suitable
temperwhen
however
1$
%4'any
452change,
$'46%>$
/1%0%,-small,
&'33>)in4#the
$%?frequency
,%K*%425/of? 'ature
and
by
using
a nonferrous
alloy
fusible
at##
tempera#
*,
%'
4
7.
5*)
4
6'4
/
4
?
%
,
,
/
*-'
3
3
/
5?
*)
.
3
%'
%
&+%
,
'
U
a decrease
%excitation
(2)#'#)/42causes
'*-%-'7%
2,%'-%)in4#the
$%,response
%-+/4-%/of?#the
$%-sys5-U #tures
below
425°C
(800°F)
and
having
a melting
point
*,
%
-.
%
3
/
1
i
E
Q
k
lA
m
N
N
k
L
C'
4
7$
'
0
)
4
6'&%
3
#
)
4
6+
/
)
4
#
may
part
#tem.
%&8A(AY,resonance
%-/4'42%&'
5/occur
22*,)in4'an4)internal
4#%,4'3+'
,#/of?#the
$% below
that
of?#
the
base
metals
being
joined.
.
%
3
/
1#
$
'
#/
$
%.
'
%&%
#
'
3
-.
%
)
4
6j
/
)
4
%
78
with
no//
outward
manifestation.)
6gauge,
'*6%>1)
#$4
*#1',7&'
4)?%-#'#)/48C
difference
between
the
:J"#the
$%'algebraic
36%.,')27)
??%,%42%.
%#1%%4#the
$%3limits
)&)#-/of?#
$%
restrictor:
!;V!I"#the
$%7%
0)2%#that
$'#,restricts
%-#,)2#-?fluid
3*)7?
3/1.
%#1%%4#the
$% span:
device
flow
between
unretarded
portion
of?#
the
scale.
*4
,
%
#
'
,
7%
7+
/
,
#
)
/
4/
$
%2
'
3
%
8
pressure
pressure
used
+,
%--*,%-source
/*,2%'and
47#the
$%+
,%--*,%%element.
3%&%4#8XIt#)is-*%7#to/ (a):_n$
The%span
a 0/100
kPa.
+'4/of?'N
OFNNBkPa
P'6gauge
'*6%)is-F100NNB
P'8
pressure
,reduce
%7*2%#the
$%%effect
??%2#/of?+,
%--*,%?fluctuations
3*2#*'#)/4-/or,#to/2control
/4#,/3 ^
(b)
The
differ^
<
_n$
%+
'
4/
?
'*+
+,
%
%
72
'
3
%6
'
*6
%)
-#
$%7)
??%,U
span
of
a
suppressed
scale
gauge
is
the
a pressure
in
?flow
3/1?from
,/& '+,
%--*,%%element
3%&%4##that
$'#$has'-?failed
')3%7)
4-service,
%,0)2%> %ence
maximum
and
minimum
between
the
scale
pres4
2
%.
%
#
1%
%
4#
$
%&'
(
)
&*&
'
4
7&)
4
)
&*&
2
'
3
%+,
%-U
both.
may
be%)
integrally
mounted
/or,.
/#$8XIt#&'
5.
4#%6,'335&/
*4#%7/or,-separate
%+','#%?from
,/& -sures.
For
example,
the
span
of
200/
500
psi
gauge
is*
,
%
8L
/
,%
(
'
&+3
%
>#
$
%+'
4/
?E
N
N
OQ
N
N+)6
'
*
6
%)
#the
$%6gauge.
'*6%8
D
N
N+8
300
psi.)
gauge:
gauge,
retard
!:GH
:H"-see%%H
:Hretard.
!:G8
difThe%span
a compound
gauge
is-#
the
^(c)V_n$
+'4/of?'V
I[IJGH
:H)
$%'algebraic
36%.,')27)
?U
ference
between
the
limits
of
the
vacuum
and
pressure
window
ring:
;JH"#the
$%2component
/&+/4%4##that
$'#-secures
%2*,%-#the
$%1)
47/1#to/#the
$%2case.
'-%8 ?%,%42%.%#1%%4#$%3)&)#-/?#$%0'2**& '47+,%--*,%
when
both
are
in
units.
For
2'3%-1$
%4.
/#$'
,%%expressed
(+,%--%7)
4#the
$%-same
'&%*4
)#-8L
/,
Ring
will
design
Z)
462configurations
/4?)6*,'#)/4-1)
330Vary
',5?for/,7%
-)64'and
47'aesthetic
%-#$%#)2 -scales
example,
the
span
of
30
in.
Hg
vac
(approximately
%
(
'
&+3
%
>#
$%+'
4/
?D
N)
48R60
'
2A
'
++,
/(
)
&'
#
%
35
,reasons.
%'-/4-8
(15
psi)
to
30
psi
pressure
scale
is
45
psi.
AFQ+-)C#/DN+-)+,%--*,%-2'3%)-iQ+-)8
ring,
;JH <bayonet:
:SIJ!"-see%%ring,
;JH Vcam.
:[8
span
adjustment:
adjustment,
:J:
Go![J!"-see%%:
Go![J!span.
:J8
a ring
ring,
;JHVcam:
:["',
)46-similar
)&)3',#to/#the
$%#threaded
$,%'7%7,ring
)46%except
(2%+##that
$'# span,
gauge:
span.
:J Vcompound
I[IJGH
:H"-see%%
:J8
by
a cam
#the
$%#threads
$,%'7-'are,%,replaced
%+3'2%7.
5'2
'& 'arrangement.
,,'46%&%4#8
scale:
span.
:J suppressed
G
V:="-see%%
:J8
means
a ring
by
ring,
;JHfriction:
W;V!;IJ"',
)46,retained
%#')4%7.
5&%
'4-/of?'an4)interference
4#%,?%,%42% span,
between
specific
service
gauge:
gauge,
service.
/or,?friction
,)2#)/4?fit)#.
%#1%%4)it#'and
47#the
$%2case.
'-%8
V;W;V
9;VH
:H"-see%%H
:Hspecific
V;W;V
9;V8
[
F11F
pqrstuvwx yz{{|y}syxw~y€~tu‚ƒy„qu~xsyqy†~w‚ƒu‚‡yˆƒvuƒ~~t‰Š
‹qt~rtqŒxuqƒy€‚sy}~y€‚Œ~yqyxwu‰y€‚x~tu‚‡yŽuxwqxyŽtuxx~ƒyqƒ‰~ƒxyqy„†ˆŠ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
Outside diam.
of case
\1
l
3—\
Q
Mounting
bolt
'
11
.1
L_I.—l
A
T
Panel opening
diam. [Note (1)1
Pressure
connection
,
Turning
radius
Outside
X
diam. of
Case
T)
Three mounting bolt
clearance holes (case)
Stem-Mounted
Gauges
—
\
Flush-/Surface-Mounted
Gauges
Pane‘
Flush Mounted
Mounting
Dimensions
Flush/Surface
1!"#$%2&
'()'*)
+%')&'
Mounting
Mounting
Opening
Max.
Outside
2&
'()'*4Bolt
&(
2&
'()'*4Bolt
&(
Panel
#'%,%')'*
Case
#%2#
.7,
()/%
Diameter
Hole
Diameter
Diameter
Diameter
Circle
)!$%)
#+%(%!
0&
%)
#+%(%!
)
#+%(%!
)
#+%(%!1[Note
&(%(1)]
82
Gauge
mm
mm
mm
mm
#*%1Size
)3%
)in.'7
++
)in.'7
++
)in.'7
++
)in.'7
++
411/2456
41.91
784 948.5
:7; <0.13
74=
=3.479
41.65
7>;
941.9
478
41.59
7;8
940.4
<79
62 4
62.56
7;> >65.0
;7< <0.16
74>
94.57;
62.19
748
;55.6
;7>
62.13
74=
;54.1
974
=3.13
74= ?79.5
87; <0.16
74>
94.57;
62.81
7:4
?71.4
479
62.75
7?;
>69.9
878
621/2456
=31/2456
94.25
76; 4108
<:
<0.22
766
;5.67>
=3.81
7:4
896.8
>7:
=3.75
7?;
895.3
;7=
;5.38
7=: 4137
=?
<0.22
766
;5.67>
94.94
789
4125
6;
94.88
7::
4124
69
941/256
>6 4
?7.00
7<< 4178
?:
<0.28
76:
?7.174
>6.50
7;<
4165
>;
>6.44
799
4164
>9
:81/256
89.63
7>= 6245
9;
<0.28
76:
?7.174
89.00
7<<
6229
68
:8.94
789
6227
6?
4126
413.50
=7;< =343
9=
<0.28
76:
?7.174
412.62
67>6
=321
64
412.56
67;>
=319
48
416>
417.00
?7<< 9432
=6
<0.28
76:
?7.174
416.50
>7;<
9419
48
416.44
>799
9418
4:
The
@The
ABCsizes
DEBCFlisted
DCGBHIabove
JKLBIareMBBequal
NOIFGtoKGtheABIapproximate
PPMKQDRIGBDinside
SCDHBHdiameter
DIRBGBMKofTGthe
ABUcase,
ICBVDinSDinches,
SUABCVIatGGtheABHdial.
DIF7@
ABWENXUcase
ICB
the
made
toKG
the
Csizes
DEBCFlisted
DCGBHJbelow
BFKYHdefine
BTDSBCsize
DEBIasCGthe
ABKoutside
OGCDHBHdiameter
DIRBGBMKofTG
ABUcase.
ICB7ZBecause
BUIOCBKofTGthis
ADCHdifference,
DTTBMBSUBV[gauges
IO[BCRI
HBG
ABDinchSUA\
may]S
not
with
made
toKG
the
EN
sizes,
even
though
the
nominal
sizes
may]J
beBL
very
Jbased
ICBHCsizes
DEBCRI
KGJbeBDinterchangeable
SGBMUAIS[BIJFBYD
GAGthose
AKCBRI
H
BG
A
BW
XC
D
E
B
C
VB
L
B
SG
A
K
O
[
AG
A
BS
K
RD
S
I
FC
D
E
B
CRI
B
M]
a size
may]J
beBI
asCF
large
mm, 7 mm larger
a EN
IO[BRI
IM[BIasC?70<RRV?RRF
IM[BMGthan
AISGthat
AIGKofTIW
X
Uclose.
FKCB7^ForKMDinstance,
SCGISUBVGthe
ABKoutside
OGCDHBHdiameter
DIRBGBMKofTIC
DEB621/2456[gauge
mm gauge.
>63=RR[
IO[B7
3EN_837.1
`a78Case
#%1Sizes
)3%
Mounting
2&
'()'*4Bolt
&(Circle
)!$%
Diameter
Outside
Diameter
)
#+%(%!
Case
#%,
()/%)
#+%(%!
mm
mm
Gauge
#*%1Size
)3%
++
)in.'7
++
)in.'7
940<
;514
62.01
7<4
940<
41.57
7;?
;50<
>60<
62.36
7=>
;50<
41.97
78?
>63=
?75;
62.95
78;
>63=
62.48
79:
:80<
895;
=3.74
7?9
:80<
=3.15
74;
4100
<<
4118
4:
94.65
7>;
4100
<<
=3.94
789
4150
;<
4168
>:
>6.61
7>4
4150
;<
;5.91
784
4160
><
4178
?:
?7.01
7<4
4160
><
>6.30
7=<
6250
;<
6276
?>
410.87
<7:?
6250
;<
89.84
7:9
GENERAL
NOTE:
mounting
bW
XWcdeXf@
WghContact
KSGIUGCsupplier
OPPFDBMTforKMIactual
UGOIFRK
OSGDS[Hdimensions
DRBSCDKSCi(panel
PISBFKopenings,
PBSDS[CVJbolt
KFGUcircle
DMUFBHdiameter,
DIRBGBMVBetc.).
GU7j7
NOTE:
Xf@
Wg
i(1)4j^Flush-mounted
FOCA\RKOSGBHUcases
ICBCKonly.
SF]7
Dimensions
Mounting
kFig.
lmno9 pRecommended
qrsttquvqvwCase
xyqxand
uvzs
{u|lum}l
tquylsuy
~12
€‚ƒ„†‡ˆ ‰Š‹‹Œ‰ƒ‰ˆ‡Ž‰Ž„‘’“‰”‘Žˆƒ‰•‰–Ž‘‡’“‘’—‰˜“†“ŽŽ„™š
53
›„Ž‚„œ‘ˆ“‰’ƒ‰Ž‰’œŽ‰•‰ˆ‡™‰’ˆŽ„’—‰žˆ‡ˆ‰ž„ˆˆŽ“‰‘“™Ž“ˆ‰•‰”–˜š 39¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No
reproduction
may be made of this material without written consent of ASME.
[
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
!"
#$%&'duration,
(%!&)$*+#
),#!amplitude
-./)&('0"sudden
(''0*%rise
)"0$or% :variable
6<6@9
<7<"see00
<7<=:variable.
6<6@92
spike:
a short
high
pressure:
pressure,
'%
$
.)
*"
1
"
&
0
.
%
0
"
"
(%
0
2
drop in system pressure.
the
:vibration
@<6534<resistance:
564?&
#0-!
^)-(-"sinusoidal
)*("$)'!/acceleration
!BB0/0%!&)$*
maximum
!,
!(,0Bcan
!*W)
&#"&!*'W)
&#$(&'!
-!,0$
Y)'0*B0$
a gauge
withstand
without
damage
or%0
evidence
ofC
3456437explosive
893:;
697<"see00;
697<=explosive.
893:2
spontaneous
failure:
failure,
!B
#
!
*
,
0)
*!
B
B
(%
!
B
1$
C-$
%
0&
#
!
*!"
.0
B
)
C
)
0
'Y
!
/
(0
2
X&
a
change
in
accuracy
of
more
than
a
specified
value.
It
564>6<> "see00standard,
564>6<>=?calibration.
69@<65342
standard:
)
^
.%
0
"
"
0
')
*,
`
"
+
$
-.
/
)
&
('0$
Y
0
%!C
%
0
a
(0
*
B
1%
!
*
,
0
is"0
expressed
in
g’s,
or%!
amplitude
over
a frequency
range
564>6<>=?calibration:
69@<6534!.%
0""(%0)instrument
*"&%(-0*&("
0'&to$'0
&0%A !and
standard,
a pressure
used
detertime
period.
*
'&
)
-0.0
%
)
$
'2
mine
ASME
PTC 19.2).
-)
*0&the
#0!accuracy
BB(%!B1$ofC!,
!(,0D(see
"00EF
GHIJKL
M2NO2 P
a gauge
9>4Q !-0
&!/Ab$)*)*,.
%$B0""W#
0%0)*B
$!/0"B0*B0)
welding:
a metal—joining
process
wherein
coalescence
is"
standard,
ASME
564>6<>=5transfer:
<64;<"see00EF
GHIPTC
JKL19.2.
M2N2
.%$'(B0'V
1#
0!&)*,&
()&!V/0&temperatures
0-.0%!&(%0"&
/&
produced
by
heating
to$"
suitable
to$-0
melt
base
metals
without
&the
#0V
!"0-0
&!/"&together,
$,0&#0%+with
W)&#$or%W)
&#$(&&the
#0!addition
'')&)$*
standard,
working:
ASME
564>6<>=P3
<4Q "see00EF
GHIPTC
JKL19.2.
M2N2
metal.
filler
metal
is"("
$ofCCfiller
)//0%-0
&!/2XIfCC
)//0%-0
&!/)
0'+)
#!//#
!Y0!a
used,
it&"
shall
have
56>R
<7<"see00
<7<=steady.
56>R2
steady
pressure:
pressure,
-0
/
&
)
*
,.$
)
*
&
!
*
'B
$
-.$
"
)
&
)
$
*!
.
.
%
$
^
)
-!
&
0
/
1&
#
0"
!-0
melting
point
and
composition
approximately
the
same
5ST(socket):
3?5U&the
#0-!
)*"supporting
(..$%&)*,Bcomponent
$-.$*0*&$ofC&the
#0.pres%0"A !as"&the
stem
main
metal.
#
0V
!
"
0-0
&
!
/
2
base
"sure
(%00element
/0-0*&!assembly
""0-V/1&to$W#
)B#&the
#00elastic
/!"&)B0element
/0-0*&)
which
is"
window:
a transparent
front
4>3P !&
%!*".!%0*&Bcomponent
$-.$*0*&&that
#!&Bcloses
/$"0"&the
#0C
%$*&
may
pressure
!attached.
&&!B#0'2XIt&-!
1)include
*B/('0&the
#0.%
0""(%0Bconnection
$**0B&)$*!and
*' P
ofC&
the
2).
$
#
0B
!
"
0D
"
0
0c
)
,
2
N
O
2
case
(see
Fig.
mounting
movement
-$
(*&)*,Cfor$%&the
#0-$
Y0-0*&!and
*'Bcase.
!"02
window,
heat—treated
glass:
a window
heat4>3P=_
65d5<65>Q
96 !W)
*'$W of$C"specially
.0B)!//1#
0!&A
53&the
#0Bcomponent
$-.$*0*&&that
#!&/limits
)-)&"&the
#0-$
&)$*$ofC&the
#0.pointer
$)*&0% P
stop:
motion
when
broken,
will
form
&
%
0
!
&
0
'D
&
0
-.0
%
0
'O
,
/
!
"
"
+
W#
)
B
#
+
W#
0
*V
%
$
]
0
*
+
W)
/
/
C
$
%treated
(tempered)
glass,
which,
D(see
"00
53=internal,
45<469+!and
*'
53
4O2
stop,
stop
pin).
)into
*&$"small,
-!//+,granular
%!*(/!%.)
0B0"+("
(!//1W)
&#*$b
!,,0'
pieces,
usually
with
no jagged
53=internal:
45<469!"
&$.'0
"),*0'&to$%restrain
0"&%!)*&
#0.%
0""(%0 0edges.
stop,
a stop
designed
the
pressure
',0"2
motion
by
directly
move0element
/0-0*&-$
&)$*V
1!acting
B&)*,')
%0B&/1$on*)it&$or%$on*&the
#0-$
Y0A P
window,
glass:
a window
or%-$
more
4>3P=9laminated
6S465>Q
96 !W)
*'$W with
W)&#&two
W$$
%0
ment
mechanism
para.
-0
*&-0
B#!*)"- D(see
"00.!
%!2Z3.3.7).
2Z2[O2
held
by
intervening
layer(s)
"sheets
#00&"$ofC,glass
/!""#
0/'&together
$,0&#0%V
1!an*)
*&0%Y0*)*,/
!10%D"O
stop
pin:
dial
53
4&the
#0Bcomponent
$-.$*0*&$on*&the
#0')
!/&that
#!&/limits
)-)&"&the
#0!angular
*,(/!% $ofCBclear
/0!%.
/!"&)B2When
e#0*)
)"B
%!B]0'$or%V
%$]0*+the
&#0.)
0B0"
plastic.
it&is
cracked
broken,
pieces
%rotation
$&!&)$*$ofC&the
#0.$
)*&0%2
pointer.
tend
to$&
the
plastic.
$ofC,glass
/!""&
0*'&to$!adhere
'#0%0&
#0./
!"&)B2
7<>scale
?69Q
67Q"see00Q
67Q=suppressed
7<>
?692
suppressed
gauge:
gauge,
scale.
P
4>3P=
964Q
96!W)
*'$W $ofCBcommercial
$--0%B)!/"single
)*,/0$or%
window,
plain
glass:
a window
double
strength
plate
or
sheet
glass.
'$
(
V
/
0"
&
%
0
*
,
&
#.
/
!
&
0$
%"
#
0
0
&,
/
!
"
"
2
7<;6?T(wall)
P699US3
745> "see00Q
67Q=surface
7<;6?T(wall)
P699US3
745>2
surface
mounted:
gauge,
mounted.
window,
a window
plastic.
4>3P=plastic:
965?!W)
*'$W$ofC&transparent
%!*".!%0*&.
/!"&)B2
7<;6?=P
55>!any
*1"surface
(%C!B0&that
#!&')
%0B&/1Bcontacts
$*&!B&"&the
#0.
%0"A P
surface,
wetted:
directly
preswindow,
made
plastic,
P
4>3P=5threaded:
_<6>> window,
W)*'$W+,generally
0*0%!//1-!
'0$ofC./
!"&)B+
media.
"sure
(%0-0
')!2
with
integral
threads
that
match
threads
on
the
case.
W)
&
#)
*
&
0
,
%
!
/
&
#
%
0
!
'"&
#
!
&
-!
&
B
#&
#
%
0
!
'"$
*&
#
0B
!
"
02No
f$
surge:
a sudden
drop
pressure.
7<Q!"
(''0*%rise
)"0$or%'%
$.)in*"system
1"&0- .%
0""(%02
ring
is"%
required.
"
0
.
!
%
!
&
0%
)
*
,)
0
a
()
%
0
'2
separate
portion
between
position
5takeup:
67 &the
#0.
$%&)$*$ofC&the
#0"scale
B!/0V
0&W00*&the
#0.$
")&)$*
where
pointer
W#
0%0&the
#0.$
)*&0%)is""stopped
&$..0'!and
*')its&"&true
%(0\
0%$.%
0""(%0 g
zero
pressure
GENERAL
jiklmkRECOMMENDATIONS
inoppijqlrsojt
3 hi
position.
.$
")&)$*2
3.1
Gauge
uvhw
xyztSizes
{|z}
5temperature,
S<657<=6ambient:
S@45&the
#0&temperature
0-.0%!&(%0$ofC&the
#0!atmosphere
&-$".#0%0 g
FSee00cFig.
),29.M2
"surrounding
(%%$(*')*,&the
#0,gauge.
!(,02
5temperature
S<657<error:
<<3<"see00error,
<<3<=5temperature.
S<657<2
Typical
g3.2u~r
€{w‚kRanges
wƒyz}
process:
process
5temperature,
S<657<=
<3?&the
#0&temperature
0-.0%!&(%0$ofC&the
#0.%
$B0"" G!
Many
in
to$&
the
listed
para.
*1%ranges
!*,0")
*!addition
'')&)$*&
#0$ones
*0"/
)"&0')in*.!
%!2
medium
-0
')(- !at&&the
#0.pressure
%0""(%0Bconnection
$**0B&)$*$ofC&the
#0"socket.
$B]0&2
common
Z3.2.1
2N2L!are%0)in*B
$--$*("
02
use.
storage:
5temperature,
S<657<=
53<6Q&the
#00extremes
^&%0-0"$ofC&temperature
0-.0%!&(%0D(high
#),# g3.2.1
following
is"!/
Gauge
a list
u~uv„Positive
}{†{‡zhw
xyz„Pressure.
ˆz}}xˆzuThe
J#0C
$//$W)*,)
)"&
may
be00
exposed
when
!and
*'/low)
$WO&that
#!&&the
#0,gauge
!(,0-!
1V
^.$"0'&to$W#
0*)it&)is" $ofC.$
positive
gauge
pressure:
"
)
&
)
Y
0,
!
(,
0.%
0
"
"
(
%
0
‰
not
*
$&.pressurized.
%0""(%)\0'2
psi
)in.*2ŠH20
.")
N‹
gauge:
gauge,
5test
5Q
67Q"see00Q
67Q=5test.
52
0/3
0/300
0/6,000
Œ0/10
LŒ
ŒZ
Œ
ZŒŒ
ŒŽ+ŒŒŒ
5threaded
_<6>><ring:
4Q "see00<ring,
4Q=5threaded.
_<6>>2
0/5
0/600
0/10,000
Œ0/15
L
Œ
Œ
ŽŒŒ
ŒLŒ+ŒŒŒ
0/30
0/10
0/800
0/15,000
Œ
Z
Œ
Œ
L
Œ
Œ

Œ
Œ
ŒL+ŒŒŒ
window:
window,
5threaded
_<6>>P
4>3P "see00P
4>3P=5threaded.
_<6>>2
0/15
0/1,000
0/20,000
Œ0/60
ŽŒ
ŒL
Œ
L+ŒŒŒ
ŒNŒ+ŒŒŒ
motion
0/30
0/L
1,500
0/
30,000
5tip:
&the
#0-$
&)$*$or%Cforce
$%B0&transmitting
%!*"-)&&)*,Bcomponent
$-.$*0*&!at&&the
#0 Œ0/L100ŒŒ
ŒZŒ
Œ
+ŒŒ
ŒZ
Œ+ŒŒŒ
0/60
0/2,000
0/40,000
Œ0/200
NŒŒ
ŒŽŒ
Œ
N+ŒŒŒ
Œ‘Œ+ŒŒŒ
Cfree
%000end
*'$ofC!an*0elastic
/!"&)B0element.
/0-0*&2
0/100
0/60,000
Œ0/300
ZŒŒ
ŒLŒŒ
Œ0/3,000
Z+ŒŒŒ
ŒŽŒ+ŒŒŒ
5torr:
3<<"see00.para.
!%!2Z3.3.2.1.
2Z2N2L2
0/160
0/4,000
0/80,000
ŒLŽŒ
Œ
‘+ŒŒŒ
ŒŒ+ŒŒŒ
ŒNŒŒ
Œ
+ŒŒŒ
ŒL100/000
ŒŒ+ŒŒŒ
documentation
a calibra0/200
0/5/000
0/
5traceability:
<6?6@95R'$
B(-0*&!&)$*$ofC&the
#00existence
^)"&0*B0$ofC!B
!/)V%!A
a primary
kpa
between
&tion
)$*Bchain
#!)*V0
&W00*!an*)instrument
*"&%(-0*&!and
*'!.%
)-!%1
]I!
"standard.
&!*'!%'2
000
000
Œ0/1L Œ0/10
LŒ Œ0/1
LL100ŒŒ Œ0/1
LŒ000ŒŒ 0/10
ŒLŒŒ
ŒŒ 0/100
ŒLŒŒŒ
ŒŒ
000
000
5transfer
<64;<standard:
564>6<> "see00standard,
564>6<>=5transfer.
<64;<2
Œ0/1.6
L2Ž Œ0/16
LŽ Œ0/160
LŽŒ 0/1
ŒLŽ600ŒŒ 0/16
ŒLŽŒ
ŒŒ 0/160
ŒLŽŒŒ
ŒŒ
500
000
000
Œ0/2.5
N2 Œ0/25
N Œ0/250
NŒ 0/2
ŒN
ŒŒ 0/25
ŒNŒ
ŒŒ 0/250
ŒNŒŒ
ŒŒ
gauge:
gauge,
:vacuum
6?77SQ
67Q"see00Q
67Q=:vacuum.
6?77S2
000
000
Œ0/4
‘ Œ0/40
‘Œ Œ0/400
‘ŒŒ 0/4000
Œ‘ŒŒŒ 0/40
Œ‘ŒŒ
ŒŒ 0/400
Œ‘ŒŒŒ
ŒŒ
pressure,
000
000
:vacuum:
6?77S "see00
<7<=4negative.
Q65:2
Œ0/6
Ž Œ0/60
ŽŒ Œ0/600
ŽŒŒ 0/6
ŒŽŒ000ŒŒ 0/60
ŒŽŒŒ
ŒŒ 0/600
ŒŽŒŒŒ
ŒŒ
f
L13Z
’“”•–—˜™š ›œž›Ÿ•›š™›¡¢ –—£¤¥›¦“£—š•›“§›¨ £™¤¥—£¤©›ª¥˜—¥ –«¬ 30¢
­“–”–“®¯£š—“¥›¢¤•›Ÿ›¢¤®›“§›š™—«›¢¤š–—¤©›°—š™“¯š›°–—šš¥›£“¥«¥š›“§›¡¦¨ª¬ 53
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
be8@
sufficient
Gcase
@8D
8@@C8relief
8;=89@
7;;
C99=G=8>AAto:B
8>AAthe
78G
@8
pressure
shall
vent
case
D
8
@
@
C
8=
>
G
8
@
8
8
9
:
8<=
>
Q:
<9
=
;
C
8:
G
G
C
@
k
9G
0/0.01
! 0/0.10
!
0/100
! 0/1,000
!" pressure increase before window failure occurs. If case@8
increases
the
8@@C8=
>G8@8@rapidly,
D=Q;\"however,
7:<8B8"A
78Gcase
@8D
8@@C8
pressure
pressure
0/0.016
!# 0/0.16
!#
0/160
!# 0/1,600
!"# D
0/0.025
$% 0/0.25
$%
0/250
$% 0/2,500
$"% relief
8;=89Q8
B=G8H
\>
:Aprevent
D8B8>ADparts
A@9
:H
8=>?8
oD8;;8Q
device
may
not
from
being
expelled.
0/0.04
& 0/0.40
&
0/400
& 0/4,000
&" m:
H;H:
C>A=>?:9A
78?gauge
C?8@shall
7;;>:
8B8>A
Normal
mounting
of the
notAD
prevent
0/0.06
# 0/0.60
#
0/600
# 0/6,000
#" D
proper
relief
means.
:D89function
C>GA=:>:of9Athe
78Gcase
@8D
8@@C8
8;=89H8
>@
pressure
'3.2.2
()()*+
,-./0+12,+3Pressure.
4+5524+(67
:;;:<=>?=is@;
=@A
Negative
Gauge
The89
following
a list
Mounting
'3.3.1.5
('(W(pbL
2O./O,(q:
C>A=>?7:
;8@:or@studs
ACQ@
8
Mounting.
holes
are
pressure.
:of9>negative
8?A=B8?gauge
C?8D
8@@C8
shall
C@
8
Q9
:
9
;
C
@
7
>
Q@
C
9
G
8
]
H:
C
>
A
8
Q?
C?
8
@
67
8
\@
7
;;
used
for
flush
and
surface-mounted
gauges.
They
=> E?FGCCH
IJ
8@sized
=r8Qand
>Q;
:GA8Qas@@shown
7:<>=
>YFig.
=? 9.s
be
located
in
—1/0
30/0
-100/0
Dials
('()t/
-Z5
'3.2.3
()('KCompound
LMNL2OP3Pressure.
4+5524+(67
:;;:<=>?=is@;
=@A:of9 '3.3.2
The89
following
a list
pressure:
Gcompound
:HD:C>QD
8@@C8R
Units
'3.3.2.1
('()(WKCommon
LMMLOuO
/.5
v
w
xyB
8
A
7
8\
8
@
"Q=
9988>AGclassifications
;@@=9=GA=:>@:
=A@
(a)
Over
the
years,
different
of9C>
units
=> E?D@=
IJ
of9H8
measure
have
been
used.
Many
of9A
the
older
units,
:
@
C
87
B
8
8
8
>C
@
8
Q
q
>
\:
7
8:
;
Q8
C
>
=
A@"
30 in. Hg vac/15 psi
-100/150
-1/1.5
officially
recognized
although
;A7:C?7>
:Apresently
D8@8>A;\:99=G=;;\8G:?>=r8Q
A>QQ
not
by\@
standard
30 in. Hg vac/30 psi
-100/300
-1/3
@setting
8AA=>?
:Q=8@"are8@still
A=;;in=><=
Q8@D8QC@
>Qare8A
788]
bodies,
widespread
use8
and
there30 in. Hg vac/60 psi
-100/500
-1/5
fore
included
in
this
Standard
for
the
purpose
of
defini9
:
8=
>
G
;
CQ8
Q=
>A
7
=
@X
A
>
Q
Q9
:
A
7
8D
C
D
:
@
8:
9
Q8
9=>=]
30 in. Hg vac/100 psi
-100/900
-1/9
tion.
The
A=:> 678Athree
788
@=GGclassifications
;@@=9=GA=:>@are8
:;;:<@R
basic
as@9
follows:
30 in. Hg vac/150 psi
-100/1 500
-1/15
30 in. Hg vac/300 psi
-100/2 400
-1/24
These
units
v(1)zx{SI|v(Le}~{Systeme
€~‚ƒ~International
|„~„w†‡„wˆd’LInites).
‰Š‹„†~‚€xŒ67
8@8C
>=A@

the
CIPM
(Comité
8
8
G
:
?
>
=
r
8
Q
\A
7
8[k
Jq
c
[:
H=
A
8
k
>
A
8
>
A
=
:
>
;Q8
are
recognized
by
International
des@
'3.2.4
()(STReceiver
+U+/0+4
Poids
J
:
=
Q@8
@
C
8
@
e
etAq8
Measures).
bar
Dpsi@=
IkPa
J
MKSA
v(2)Žx{
‘v(meter,
ƒ~~’kilogram-force,
“†ˆ‡”wƒ•–‡—~’second,
€~—‡„‰’ampere).
wƒ˜~~xŒThe
678
20/100
V3/15
!%
$
!
0.2/1.0
$!
metric
units,
9former
:H8H8
A=GC
>=A@"<7
=G7are8
8=>?replaced
8D;G8Q
78
which
being
by\A
the
SIkC>
units.
X
=
A
@
'3.3('KConstruction
LO5.42U./LO
v(3)™xš›
€‡ƒwv(inch,
†„—œ’˜
‡›„‰•–‡—~’€
~—‡„‰’w
ƒ˜~~xŒ
Customary
poand—force,
second,
ampere).
'3.3.1
('(WKCases.
-5+5(XSee88YFig.
=? &4.
Customary
units
used
primarily
English-speaking
[C@
A:H\C>
=A@are8C@
8QD
=H=;\=in>>
?;=@7]@D8I=>?
countries
being
replaced
in
most
by
:C>A=8@and
>Qare8
8=>?
8D;G8Q=
>H:
@AGcountries
:C>A=8@
\
General.
Cases
may
be89
fabricated
vari'3.3.1.1
('(W(W1+
O+4-Z([
@8@H
\
=GA8Q9from
:HB
=] G
units.
X
kC>
=
A
@
SI
materials
using
various
manufacturing
processes.
:ousC@H
A8=;@C@
=>?B
=:C@H
>C9GAC=>?D
:G8@@8@ v(I9)žxY
For
factors,
para.
:Gconversion
:>B8@=:>9
GA:@"@see88D
f7.2.$
They
may
have
67
8\H
\7
B8@solid
:;=Q9fronts
:>A@:or:open
D8>9fronts,
:>A@"and
>QH
\
may
(c)
Definitions
78B
=:C@C>
=A@are8as@9
:;;:<@R
various
units
follows:
may
not
various
pressure
relief
means.
:orH
\>
:A8employ
HD;:\B
=:C@Gcase
@8D
8@@C8
8;=89H8
>@ v—xŸ89=>=A=:>@:of9Athe
may
design
variations
with
XSpecific
D8G=9=Gapplications
DD;=GA=:>@H
\require
8^C=8Q8
@=?>B
=A=:>@<=
A7
SI
Xk
There
be8HCA
mutual
respect
8@D8GAAto:Gcase
@8Gconstruction.
:>@ACGA=:> 67
88@should
7:C;Q
C; Abbreviation
UnitA
Definition
8
B=A=:>
¡>=
Ÿ89=>=A=:>
between
user,
manufacturer,
agreement
?88H8>A
8A<88>C@
8"@supplier,
CDD;=8":orH
>C9GAC8":or
@some
:H8Gcombination,
:H=>A=:>"regarding
8?Q=>?Athe
78applications
DD;=GA=:>@and
>QAthe
78 bar
bar
1 bar
kPa
bar
is@
!
¢= !100I
Jc(The
678
=
Q8
@=?>Bvariations.
=A=:>@
design
C>=A:CA@=Q8A78Xk"
which
is@>
nevertheless
<7=G7=
8B8A78;8@@
8G]
recWith
Pressure
Relief
Means.
For
'3.3.1.2
('(W()KCases
-5+5_/
.`34
+5524+T+
Z/+ab+
-O5(Y:
by
CIPM.)
:ognized
?>=r8Q
\[k
Jq e
gauges
used
measure
gas@D
pressures
of 400
psi= I
?
C?8@C@
8QAto:H8
@C8?
8@@C8@:9&
D@
kPa
kilopascal
1 kPa
1 000
Pa
J
I=;:D@G;
!I
J¢= !
J
higher
pressures
c(2$d800IkPa)
Jeand
>Q7
=?78and
>Q;liquid
=^C=QD
8@@C8@:of9!1,000
"D@
psi= H
H=;;=
!H¢!¢!J
higher,
with
means
MPa
c(7f000IkPa)
Jeand
>Q7
=?78"Gcases
@8@<=
A7Dpressure
8@@C8relief
8;=89H8
>@ qJ
megapascal
1 MPa = !
1 000
Pa
H8?D@G;
!qJ¢
000J
N / m2$
newton
per
1 N/mz$¢!J
=1 Pa
>8<A:>D
8@square
^C8 !mH
mH
are8recommended.
8G:HH8>Q8Q
H8A8
'3.3.1.3
('(W('gSolid
LZ/PhFront
4LO.With
_/.`3Pressure
4+5524+TRelief
+Z/+aiBack.
-Uj(Ink>Athe
78 J
D@G;
!J¢!mH$
within
8event
B8>A:of99failure
=;C8:of9Athe
788elastic
;@A=G8element
;8H8>A<=
A7=>=itsA@rated
A8Q
pressure
between
D8@@C8range,
>?8"Athe
78@solid
:;=Q9front
:>Ac(partition
DA=A=:>
8A<88>Athe
78
q£X
window)
pressure
D8@@C88element
;8H8>Aand
>QAthe
78<=
>Q:<eand
>QAthe
78D
8@@C8 MKSA
pressure
Unit
Definition
8B=A=:>
¡>=A
Ÿ89=>=A=:>
back
designed
reduce
possibility
relief
8;=89
GI@shall
7;;be
8Q8
@=?>8QAto:
8QCG8Athe
78D:
@@==;=A\:of9 Abbreviation
window
<=
>Q:<9failure
=;C8and
>QDprojection
:l8GA=:>:of9parts
DA@:outward
CA<QAthrough
7:C?7 Ikg?G
per
1 kg/cmz
= 1 kilogram
H$ kilograms
I=;:?H@D
8
!I
?GH$¢!I
=;:?H force
9:G8
The8C
user
with
Athe
789front
:>A:of9Athe
78?gauge.
C?867
@8@should
7:C;QGconsult
:>@C;A<=
A7Athe
78 / cmz
@^C8G8>A=H8A8 D8@^C8G8>A=H8A8
degree
required
@supplier
CDD;=8regarding
8?Q=>?Athe
78Q8
?88:of9protection
D:A8GA=:>
8^C=8Qc(see
@88 Hm EH20$y meters
= !H8
of9<
water
1 m E
H2O
1 meter
H8A8@:
A8 !H
A8:of9
$y¢
4).
@section
8GA=:>&
e
water
<A8atA#68°F
d¤Yc(20°C)
$¤[e
mmHg
millimeters
1 mm Hg
1 millimeter
H=
;;=H8A8@:of9
!HH
E?¢= !H=
;;=H8A8:of9
Normal
mounting
of the
notAD
prevent
m:
H;H:
C>A=>?:9A
78?gauge
C?8@shall
7;;>:
8B8>A HHE?
mercury
mercury
32°F
H8
G
C
\
H8
G
C\atAV
$¤Yc(0°C)
¤[e
proper
pressure
means.
D:D89functioning
C>GA=:>=>?:of9Athe
78D
8@@C8relief
8;=89H8
>@
1 torr
mm Hg
absoAtorr
:
Atorr
:
!A
:¢= !1.0HH
E?
@:]
Open
With
'3.3.1.4
('(W(SnN
+OhFront
4LO._/
.`3Pressure
4+5524+TRelief.
+Z/+a(kIn>Athe
788event
B8>A
pressure
;lute
CA8D
8@@C8
a slow
media
:of9@
;:<;leak
8I:of9H8
Q=Athrough
7:C?7Athe
788elastic
;@A=G8element,
;8H8>A"Athe
78
0/1.0
! 0/10
!
0/1.6
!# 0/16
!#
0/2.5
$% 0/25
$%
0/4.0
& 0/40
&
0/6.0
# 0/60
#
bar
in. Hg Vacuum
in. Hg/psi
kPa
bar
kPa
bar
a unit outside the SI,
mbar
millibar
Pa
pascal
1 mbar =bar/ 1 000 = 100 Pa
meter
1 Pa = 1 N/m2
square centimeter
!&
American
Mechanical
Engineers.
Copyright
¥¦
§¨©ª«¬­©®¯2006
°°±®²by¨®the
­¬³®´µ³
©ª¶·¸®¹Society
¦¶ª³­¨®¦ofº®»³
¶¬·¸ª¶·¼®½¸
«ª̧³³©¾¿
No
material
ASME.
À¦©reproduction
³§©¦Á¶­ª¦¸®may
µ·¨®²be³®made
µ·Á³®¦ofº®­this
¬ª¾®µ·
­³©ª·¼®without
ê­¬¦Â­®written
骭­³¸®¶consent
¦¸¾³¸­®¦ofº®´¹
»½¿
per square centimeter
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
I&
& &I!appropriate
>>">"(!&,for"safety
!,&#of,specific
>&C(,(Cservice
&"'(C&"
&N("&D
deemed
require&
)
8
&
&>!
"
!
;
<
;
=
;
5
:
;
ments (see para. 4.3.8).
Numerals
be&
sufficient
in
number
to&
enable
the
e
&"!Oshall
0!OO%
,,(C(&)(
))
%&"
)!%O&
0&
operator
>&"!"to!accurately
CC"!&O#!and
)INquickly
(CbO#(
I&)(,#!any
)#>"
&"&
identify
pressure
on)the
0&scale.
C!O&;a0
&#shall
0!OO)
obscure
%C"&or"Ccrowd
"1IBgradua"!I!D
They
not
tions
()or"(
>"!)markings.
!"b()B;
important
e
&"!Oshall
0!OOnot
)&
`&)I%
&#)Ithe
0&Ccalibrated
!O(%"!&I>
"D
Numerals
extend
beyond
portion
()of,the
0&scale.
C!O&;
e&
B!('&8(vacuum)
'!C :'
!O&shall
0!OO%
)I(C!&I%
#>
"&D
Negative
values
be&(
indicated
by
preceding the appropriate numerals with a minus (—) or
Cclearly
O&!"O#marking
!"b()Bthe
0&I(
!O1(
0the
0&1
"Ih$
dial
with
words
VAC or"h$D
VAC**i;*>>
&"C!&or"O
1&"C!&Oletters
&&"!are"&!
CC&>!%O&;
UUM. Uppercase
lowercase
acceptable.
Both
words
not
c
0signs
(B)!and
)I1
"Ishould
0OI)
!appear
>>&!"on)the
0&same
!&
scale.
C!O&;
a0
%&)C&of,!
(B)%
&,"&!)
&"!O(
)I(C!&!a
The&!
absence
a sign
before
a numeral
indicates
positive
value
when
by
words
>(('&'
!O&&except
`C&>10
&)!accompanied
CC >!)(&I%
#the
0&1
"I
VAC
h$or"h$**i;
VACUUM.
Arcs.
The&"
recommended
P3.3.2.3
QPQRQPjScale
kUVlm
[knQa0
&C &)I&IBgraduated
"!I!&I
scale
C!O&!arc"C(
A9I&
B;G
>&C(!O!applications
>>O(C!()!
)I"ranges
!)B&may
!#
is.
270
deg.
Special
and
"require
&N("&scale
C!O&!arcs
"CBgreater
"&!&"or"O
&than
0!).
A9I&
B;
less
270
deg.
P3.3.2.4
QPQRQop[
UqrU]TZXsLines.
TXlnQK"
!I!()O
()&shall
0!OObe%&
Graduation
Graduation
lines
"radial
!I(!Otothe
0&Ccenter
&)&"of,"rotation
!()of,
0&>
()&"!and
)Ishall
0!OO
the
pointer
project
beyond
described
by the
the
>"t&C%&
#)Ithe
0&!are"CI&
C"(%&I%#
0&&end
)Iof,
0&
pointer
>()&"8(mirror
("""!and
)Imultiple
O(>O&
C!O&I(
!O&
`C&>&I:;Major
i!t"
scale
dials
excepted).
!and
)I(intermediate
)&" &I(!&Bgraduation
"!I!()Olines
()&shall
0!OObe%&&emphasized.
>0!(M&I;
Graduations
beyond
porK"
!I!()shall
0!OOnot
)extend
&`&)I%
&#)Ithe
0&Ccalibrated
!O(%"!&I>
"D
tion
()of,the
0&scale.
C!O&;
f0&"&>
(%O&^scale,
C!O&^numeral,
) &"!O^!and
)IBgraduation
"!vI!()(incre)vC"&D
Where
possible,
Dial
Dials
indicate
P3.3.2.2
QPQRQRST
UVWInformation.
XYZ[\U]TZXQ+(
!Oshall
0!OO(
)I(C!&the
0& ments
should
follow
the
format:
1 X 2
10”,
2 X 2
10”,
9
^.
9
^or"
&
)
0
O
I,
O
O
1
0
&,
"
!
u2
units
which
isB
graduated.
)
((in)10
(C0the
0&scale
C!O&(
"!I!&I;
v^10
5 X2
10”,
where
n is!10
a whole
positive
or")
negative
number
9
&
"
&v(
O
&>
(
(
'
&
&
B
!
(
'
&)
%&"
?
+!
scale
C!O&I(
!O!are"&
&,O10
&"&Bgauges
!B&!are"&&employed
>O#&I or"M
DualO
dials
useful
where
zero.
&
"
;
be&
used
where
on)&equipment
N(> &)that
0!may!#%
&I(internationally,
)&")!()!OO#^or"10
&"& a0
The&
smallest
not
!OO&Bgraduation
"!I!()(increment
)C"& &)should
0OI)
&exceed
`C&&I
users
plan
&">O
!)toCconvert
)'&",from
" one
)&unit
)(of,measure
&!"&to!another
)0&" twice
the
error
permitted
(accuracy)
in
the
middle
half
1(
C
&
0
&&
"
"
">&
"
(
&
I8
!
C
C
"
!
C
#
:(
)
0
&
(
IIO
&0
!O,
over
'&"!>
&"(Iof,time.
( &;
a period
of,
0
&
C
!
O
&
;
the
scale.
Each
a dial
with
_!
C0scale
C!O&on)!I(
!O1(
0multiple
O(>O&scale
C!O&shall
0!OOindicate
()I(C!&
units
which
One&
of,
the
the
0&)
((in)10
(C0(it(isBgraduated.
"!I!&I;/)
0&scales
C!O&
Near
0n dials
for
Grades
P3.3.2.5
QPQRQwp[
UqrU]TZXxl
U[yZero.
l[ZQ/)I(
!O,
"K"
!I&
Graduation
be&
one
para.
should
0OI%
)&of,the
0&typical
#>(C!O"ranges
!)B&8(see
&&>!
"!;=3.2).
;.:;
4A
<$!and
)I=
$B
!
B
&
^
0
&
"
&
0
!
O
O
%
&)
!
b
&
>
;
a0
&)
%&"
3A gauges, there shall be no takeup. The number
Receiver
dials
E&
C&('&"Bgauge
!B&I(
!Oshall
0!OO(indicate
)I(C!&the
0&(input
)>>pressure
"&"& !and
the
graduations
near
zero,
)Ithe
0&spacing
>!C()Bof,
0&minor
()"B
"!I!())
&!"M
&"^
"range
!)B&of,the
0&Bgauge.
!B&;
be
commencing
at
the
true
zero,
in
shall
0!OO%
&the
0&same,
! &^C
&)C()B!
0&
"&M
&"^!as(
)
Dials
with
a scale
in
nonpressure
units,
+(
!O1(
0!
C!O&Bgraduated
"!I!&I(
))
)>"&"&)
(^or" the
rest
dials
grades,
0&"
&of,the
0&scale.
C!O&;0n
/)I(
!O,for"!allOOother
0&"B
"!I&^take
!b&
a scale
different
pressure
!
C!O&"range
!)B&I(
,,&"&),from
" the
0&"range
!)B&of,the
0&>
"&"& >
up may
be&(
incorporated.
it(
is(
incorporated,
!#%
)C">"!&I;However,
-1&'&"^if(,(
)C">"!&I^
&element
O& &)!assembly,
& %O#^shall
0!OOCclearly
O&!"O#(indicate
)I(C!&the
0&maximum
!`( (itshall
gradua0!OObe%&"readily
&!I(O#!apparent
>>!"&)!atwhat
10!pressure
>"&"&the
0&B
"!I!D
be&!
applied
without
>"
&"&that
0!may
!#%
>>O(&Itothe
0&Bgauge
!B&1(
0Oloss
tions
pressure
()start.
!";A$Mzero
&"B
"!I!()or")
&"!O^or"%
0^shall
0!OO
graduation
numeral,
both,
of,Ccalibration.
!O(%"!();
not
be&>&
permitted
the
pointer
position
)%
" (&I!at
0&stopped
>>&I>
()&">
(()on)
The&
use&
of,multipliers,
299^X129000,
99^!and
)I gauges
a0
O(>O(&"^such
C0!asX100,
using
a stop
pin
prevent
!B&
()B!
>>
()or"(internal
)&")!Ostops
>that
0!>"
&'&)
X2
100
discouraged
because
99bkPa,
H!^(isI(
C"!B&I%
&C!&of,potential
>&)(!Omisappli(!>>O(D B
free
pointer
motion
to
the
actual
zero
pressure
position.
,
"
&
&>
(
)
&
"
(
)
0
&!
C
!
O
M
&
"
>"
&
"
&>
(();
Ccation
!()or"misinterpretation.
(()&">"&!();
QPQPzPointer
ZTX]l[
AllO
of,
the
indicate
pressure
unless
$O
0&!above
%'&scales
C!O&(
)I(C!&Bgauge
!B&>"
&"&)
O& P3.3.3
when
psia,
otherwise
0&"1(&specified,
>&C(,(&I^&except
`C&>10
&)>
(!^psid,
>(I^or"torr
""!are"&
Grades).
tip
of,
the
pointer
a0&
(>
0&>
()&"
P3.3.3.1
QPQPQ{sLength
lX|]}~(All
mVVp[
UqlnQThe
displayed.
differential
I(
>O!#&I;7For"!allOOother
0&"scales,
C!O&^!absolute
%O&or"I(
,,&"&)(!O shall
pass
within
one
minor
graduation
line
width
0
!
O
O>
!
1(
0
(
)
)
&
(
)
"B
"
!
I
!
(
)O
(
)
&1(
I
0of,
pressures
by
words
ABSOLUTE
>"
&"&!are"&(indicated
)I(C!&I%
#!adding
II()Bthe
0&1
"I$cG
/d*a_ the
inner
end
of,
the
minor
graduations.
0
&(
)
)
&
"&
)
I
0
&
(
)
"B
"
!
I
!
(
)
;
DIFFERENTIAL.
or"+F
77_E_eaF$d;Uppercase
*>>&"C!&or"Olowercase
1&"C!&Oletters
&&"!are"& a0
pointer
()&"may!#overlap
'&"O!>the
0&Bgraduations.
"!I!();
When
does
permit,
!acceptable.
CC&>!%O&;f0
&)space
>!C&I
&)not>&
" (^the
0&!abbrevia%%"&'(!D The&>
ABS,^+F
DIFF,
be&
used.
Width
width
tion
()$cG
77^or"APHmay
!#%
&I;
P3.3.3.2
QPQPQR€TipT‚T
q]}~(Grades
p[Uqlno4AmUand
XqP3A).
mQThe
a0&1(
I0
Dial
the
pointer
be&B
greater
than
width
of,
+(
!Omarkings
!"b()Bmay!#(include
)COI&manufacturer
!),!C"&"g’sor"Ccustom D of,
0&>
()&"tip(>shall
0!OOnot
)%
"&!&"
0!)the
0&1(
I0
both,
&er's
"gtrademark,
"!I& !"b^or"%
0^!and
)I!any
)#other
0&"(information
)," !() the
0&minor
()"Bgraduation
"!I!()Olines.
()&;
!"#
Customary
Abbreviation
Unit
Definition
$%
%"&'(!()
*)(
+&
,()(()
= 2,
,ft-H20
,feet
&&of,,fresh
"&01!
&" 2,
of,1!
&"
water
1 ftH20
1 foot
water
./
./3
!at468°F
5678(20°C)
.96:8(04328
9;<=.5>
(:
psi)
1 ft
,ftsea&!1!
&" ,feet
&&of,sea&!1!
&" 2,
&!1!
&"3= 0.4453
9;<<?=>
(
water
water
sea
water
psi
8(0.9877
9;@5AA,ft-H20)
./:
Hg
1 in.
1 inch
(in.);-B
(inches
)C0&of,mercury
&"C"# 2(
);Hg
-B3= 2(
)C0of,mer&"D
Ccury
"#!at=32°F
.678(0°C)
96:
psi)
8(0.4911
9;<@22>
(:
water
1 in.
(20°C)
1 inch
(inches
)C0&of,1!
&" 2(
);-H20
.96:3= 2(
)C0of,
(in.);-H20
./
./8
RP2.1)
water
8(20°C)
.96: 8(Ref.
E&,;FISA
G$EH.
;2: 1!
&"!at.20°C
9.68(68°F)
4567:!and
)I
@980.665
59;44?Ccm2/Jsec&CBgravity
"!'(#
8(0.036063
9;9=494=>
(:
psi)
water
1 in.
(60°F)
1 inch
(inches
)C0&of,1!
&" 2(
);-H20
4967:3= 2(
)C0of,
(in.);-H20
./
./8
Report
8(60°F)
4967:
8(Ref.
E&,;AGA
$K$E&
>" 1!
&"!at460°F
9.678(15.6°C)
2?;46:!
)I
water
and
#L=
3):
J&CBgravity
"!'(#
@980.665
59;44?Ccmz/sec
8(0.036092
9;9=49@.>
(:
psi)
water
1 in.
(4°C)
1 inch
(inches
)C0&of,1!
&" 2(
);-H20
<6:3= 2(
)C0of,
(in.);-H20
./
./8
8(4°C)
<6:
1!
&"!at<
6.!and
)I
water
4°C
@980.665
59;44?Ccm2/Jsec&CBgravity
"!'(#
psi)
8
9
;
9
=
4
2
.
A>
(
:
(0.036127
)C&>
&"square
N!"& 2
MJ();.3= 2
)C&,force
"C&
oz/in.2
MJ();. ounces
per
1 oz/in.2
1 ounce
(inch
)C0
>per&"square
N!"&(inch
)C0
>
(
>pounds
)I>per&"square
N!"& 2>
(3= 2>
)I,force
"C&>
&"
psi
1 psi
1 pound
per
(inch
)C0
square
N!"&(inch
)C0Bgauge
!B&
>pressure
"&"&
psia
1 psia
1 pound
force
per
>
(!
>pounds
)I>per&"square
N!"& 2>
(!3= 2>
)I,
"C&>
&"
(inch
)C0!absolute
%O&
square
N!"&(inch
)C0!absolute
%O&
>pressure
"&"&
>
(I
>pounds
)I>per&"square
N!"& 2>
(I3= 2>
)I,force
"C&>
&"
psid
1 psid
1 pound
per
differential
differential
(inch
)C0I(
,,&"&)(!O square
N!"&(inch
)C0I(
,,&"&)(!O
>pressure
"&"&
[
215?
ƒ„†‡ˆ‰Š‹ ŒŽŽŒ†Œ‹Š‘Œ’“‘‡ˆ”•–Œ—„”ˆ‘‹†Œ„˜Œ™‘”Š•–ˆ”•šŒ›–‰ˆ–‘‘‡œ
ž„‡‘‡„Ÿ”‹ˆ„–Œ“•†Œ‘Œ“•Ÿ‘Œ„˜Œ‹ŠˆœŒ“•‹‘‡ˆ•šŒ¡ˆ‹Š„‹Œ¡‡ˆ‹‹‘–Œ”„–œ‘–‹Œ„˜Œ’—™›
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
The)*
pointer
3.3.3.3
Pointer
!"#$Location.
%&! '(
+,-.)/0shall
(122/
+.1.) 3.3.8
ˆ‰
?ŠB
rotate
Windows
3clockwise
2+345,0)6for+/,increasing
-3/)10,-7*+
0
,
.
,
8
)*/
)
0
0
9/
)1
:3
+
9.
)
/
;
positive pressure and counter3.3.8.1
ˆL$Laminated
&C&!"?‹€
&BBLaminated
Œ1F,-1.):7
21000shall
(122
Glass.
glass
3clockwise
2+345,0)6for+/,increasing
-3/)10,-7-negative
)71.,8)*pressure.
/)009/)<
with
ANSIwf
Z26.1.
Laminated
3comply
+F*2G5,
.(omI
j<i<Œ1
F,-1.):7glass
2100+offers
66)/00some
+F)
Adjustment.
3.3.4
=Pointer
!"#>?
@AB!C" !DPointer
+,-.)/1adjustment
:E90.F)-.3can
1- */
+.)3.,+-,
-1all221applications.
**2,31.,+-0<wIt.reduces
/):93)0.the
()*+
00,H,2,.G+
protection
in
possibility
of6
+only
-2GH
):.to+F1
.3(.the
(),indication
-:,31.,+-.to+1/
)6)/)-3)*/
)0; 7glass
be)90
used
match
a reference
pres2100particles
*1/.,32)00scattering
31..)/,-7,if6the
.()*/
)009/))
2)F)-.ruptures
/9*.9/)0
pressure
element
one point
on the
not be
0sure
9/)1at.+-)*+,
-.+-.
()0scale
312)1and
-:0should
(+92:-+.H)
window
failure
results.
1and
-:5,
-:+56
1,29/)/
)092.0<
:)
*)-:):9upon
*+-.to+/recalibrate
)312,H/1.).the
()7gauge.
197)<ISuch
93(1an-1adjust:E90.;
depended
Tempered
3.3.8.2
ˆbc
"Ce"#"?‹€
&BB'Tempered
)F*)/):7
21000shall
(122com3+F;
Glass.
glass
F)
-.3could
+92:3cause
190)10
,7-,6,31-.)error
//+/1at.*
/)009/)01above
H+8) *2
ment
a significant
pressures
G5,
.
(oI
'q
Ži
g
n
kx
(
)
1
..
/
)
1
.
)
:y+
'q
Ži
nff
ply
with
ASTM
C 1048
(heat
treated)
or/oI
ASTM
C
1422
below
point.
+or/H
)2+5.the
()0setting
)..,-7*+
,-.<
x(chemically
3()F,3122G.treated).
/)1.):y<'Tempered
)F*)/):7glass
2100,
)-)/122Gf.
is07
generally
2 to+„
5
3.3.5
JPressure
#"BBA#"KConnection
"%!
annealed
.times
,F)00stronger
./+-7)/.than
(1-1
--)12):x(plain)
*21,-y7
2100<
glass.
3.3.5.1
JL$Location
%&! ofMKConnection
"%!
environmental
3.3.8.3
ˆPlastic.
€&B!%wImpact
F*13.1and
-:1abrasive
H/10,8))
-8,/+-F)-.12
— bottom
mounted
back
N(oz)OPQStem
RSTTU
VWRSXY
H+..+F +or/H
134
3
+
:,
.
,
+
0
h
)
0
*)
3
,
1
2
2
G.
)
F*)
/
1
.
9/
)1
:3
+
//+0,8)1
.F+;
conditions,
especially
temperature
and
corrosive
atmo— bottom
N(11)ZPQSurface
V[\O]STU
VWRSXY
H+..+F +or/H
134
mounted
back
0
*
(
)
/
)
hF90
1
/
)
6
92
2
G3
+
0
,
:)
/
)
:.
.
)
/
F,
).
()
sphere,
must.H
be)3
carefully
considered
to+:)
determine
the
— back
Plush
mounted
N(C)]P^
_V`aTU
VWRSXY
H134
plastic
best
the
.type
G*)+of6*2
10.,3H
)0.0suited
9,.):6for+/.
()1application.
**2,31.,+-<
pipe
3.3.5.2
JbcType
de"ofMKConnection.
"%! 'Taper
1*)/*
,*)3connections
+--)3.,+-0
3.3.8.4
ˆ=Plain
€& ‹€
&BBThis
'(,05,
-:+5F1
.)/,12is,03com+F;
Glass.
window
material
6for+/*/
)00i9/)09*.
(/+97i(f20,000
ghggg*0
jigg000gg4kPa
D11are/) F+
pressures
up through
psi,+
or/i
160
-2G90
)::due
9).
+,its.01
H/10,+-h3
()F,312h1and
-:5)
1/
monly
used
to
abrasion,
chemical,
wear
usually
NPT,h-‘/4n ,
in.
NPT,h+
or/72f ,
in.
NPT
-<i18kmD'
-<i14nmD'
90
9122G-‘/8k,in.-<f27lmD'
properties.
Careful
its
use)
/resistance
)0,0.1-3)*/
+*)/.,)0<Ž1
/)6923consideration
+-0,:)/1.,+-+of6,
.090
American
pipe
oF)
/,31-IStandard
.1-:1/:)external
p.)/-12+or/,internal
-.)/-12.taper
1*)/*,
*) 0should
(+92:H
,8)-6
+/(
1v1/:+901
**2,31.,+-0<
be)7
given
for
hazardous
applications.
B1.20.l
as0/
required.
.threads
(/)1:0*
)
/oI
qrsi
<
f
g
<
i1
)
t
9,
/
)
:<
oH
+
8
).
(
,
0*/
)
0
;
per
ASME
Above
this
pres=>
%%A#&%d
Accuracy
3.4
pressure
0sure,
9/)hi1/4n,in.-<(high
,7(*
/)009/).tubing
9H,-73connections,
+--)3.,+-0h+or/)equal,
t912h may
be)90
used.
Other
F1
GH
):<u.
()/1appropriately
**/+*/,1.)2G0sized
,v):3connections,
+--)3.,+-0h D/
Table
)009/)7gauge
197)1accuracy
339/13G,is07graded
/1:):1as00shown
(+5-,in-'
1H2)i1
Pressure
)employing
F*2+G,-70sealing
)12,-7F)
1-0+other
.()/.than
(1-.tapered
1*)/):.threads,
(/)1:0h x(see
means
section
6 for
testing
procedures).
0
)
)0
)
3
.
,
+
-j6
+
/.
)
0
.
,
7*/
+
3
)
:
9/
)
0
y
<
1are/)1acceptable.
33)*.1H2)<
General
=L‹"
"#&€
B%ABB
Discussion
wIn-1applications
**2,31.,+-0+of60stem-mounted
.)F;F+9-.):7gauges,
197)0h)especially
0*)3,122G 3.4.1
with
where
vibration
is00
severe,
5,
.(2liquid-filled
,t9,:;6,22):3cases
10)01and
-:5(
)/)8
,H/1.,+-,
)8)/)h
Elastic
are
made
many
materi10.,3)elements
2)F)-.01
/)F1
:)+of6F1
-GF1
.)/,;
3.4.1.1
=LL r2
3consideration
+-0,:)/1.,+-0should
(+92:H
,8)-.to+.the
()*+
00,H,2,.G+of66failure
1,29/) 1als20.to+F)
be)7
given
possibility
meet
various
requirements
of63
corrosion
)
.8
1
/
,
+
90/
)
t
9,
/
)
F)
.
0+
+
/
/
+
0
,
+
-/
)
0
,
0
.
1
-3)
resistance
piping
by
vibrating
+of6.the
()0stem
.)F+or/1associated
00+3,1.):*,
*,-73caused
190):H
G.the
()8
,iH/1.,-7 1and
A
corrosive
:*)
/
6
+
/
F1
3
)
<
o3
+
/
/
+
0
,
8
)F)
:,
9FF1
G:,
3
.
1
.
)90
performance.
medium
may
dictate
use)
mass
F1
00+of6.the
()7gauge.
197)<oA 2larger
1/7)/3connection
+--)3.,+-x(e.g.,
)<7<h f mD' +of61an-)element
material
prop2)F)-.F1
.)/,12having
(18,-72less
)00.than
(1-+optimum
*.,F9F*/
+*;
./+-7)/0stem
.)F F1
.)/,12x(e.g.,
)<7<h )erties.
,instead
-0.)1:+of6iT/4n mD'y+
NPT) or/10
a stronger
material
The accuracy
classification
of such
a gauge
/
.
,
)
0
<'()1
3
3
9/
1
3
G3
2
1
0
0
,
6
,
3
1
.
,
+-+60
93
(171
97)
brass),
both,
be)3
con0stainless
.1,-2)000steel
.))2,instead
-0.)1:+of6H
/100yh+or/H
+.(h0should
(+92:H
+-; :)
*)-:0.to+12
1/7))extent
p.)-.+on-.these
()0)*/
+*)/.,)0<
depends
a large
properties.
0sidered.
,:)/):<
Using
a pressure
an
3.4.1.2
=Lb 0
,-71*/
)009/)7gauge
197),in-1
-)environment
-8,/+-F)-.
if1
472
and
3.3.6
z{Rings.
|B})
F+81H2)/rings,
,-70h0size
,v)n
-:2larger,
1/7)/h7gen)-; +or/5,
Removable
with
media
that
cause
the
temperature
of6.
the
.
(F)
:,
1.
(
1
.3
1
90
).
(
).
)
F*
)
/
1
.
9/
)+
())elastic
210.,3
window
devices.
)erally
/122G(have
18)5,
-:+5/retaining
).1,-,-7:)
8,3)0<
which
)element
2)F)-..to+H
66)/)-.6
/+F that
.(1.1at.5(
,3(,it.51
12,;
be):,
different
from
was03
caliwill
the
error.
is03
caused
H/1.):5,
22,increase
-3/)10).
(),indication
-:,31.,+-)
//+/<This
'(,0,
190):
An internal
a device
3.3.7
~Internal
!"#&€Stop.
!eo-,
-.)/-120stop
.+*,is01:)
8,3).that
(1. brated
element,
movement,
HG.temperature
)F*)/1.9/))effects
66)3.0+on-.the
())elastic
210.,3)
2)F)-.hF+
8)F)-.h
/restrains
)0./1,-0.the
()F+
.,+-+of6.the
()*pressure
/)009/))element
2)F)-.+or/.the
()F)
3(; by
motion
mech-:2link.
,-4<
damage
pres1anism
-,0F .to+/reduce
):93).the
()*probability
/+H1H,2,.G+of6:1
F17).to+.the
()*
/)0; 1and
or disengagement
of the
movement
0sure
9/))element
2)F)-.+/:,
0)-717)F)-.+6.
()F+
8)F)-.
affects
the
of6
3.4.1.3
=L 'Temperature
)F*)/1.9/)3change
(1-7)1
66)3.0.
()0stiffness
.,66-)00+
mechanism
by
pressure
below
F)
3(1-,0F3caused
190):H
G1application
**2,31.,+-+of6*/
)009/)H
)2+5.the
() .the
elastic
element.
The
change
in
stiffness
of61F1
a material
(
))
2
1
0
.
,
3)
2
)
F)
.
<
'(
)3
(
1
7
),
-0
.
,
6
6
)
0
0+
.
)
/
,
12
minimum
maximum
Value.
F,
-,F9F0scale
312)8value
129)+or/1above
H+8).the
()F1
p,F9F0scale
312)8
129)< 5,
with
change
in
temperature
is0.
the
thermoelastic
coeffi.
(3
(
1
7
),
-.
)
F*)
/
1
.
9
/
),
(
).
(
)
/
F+
)
2
1
0
.
,
33
+
)
6
6
,;
will
disengagement
wIt.5,
221also
20+/reduce
):93).the
()*possibility
+00,H,2,.G+of6:,
0)-717)F)-.+of6 3cient
(TEC)
of6.
the
material.
Stiffness
change
is0*/
produced
,
)
.
x
'rŽy
+
(
)F1
.
)
/
,
1
2
<
I
.
,
6
6
)
0
03
(
1
7
),
+
:
9
3
)
:
movement
mechanism
by
.the
()F+
8)F)-.F)
3(1-,0F 3caused
190):H
G.the
(),inertial
-)/.,12)effect
66)3. by
a combination
of63
changes
in
the
elastic
modulus
H
G13
+
FH
,
-1
.
,
+
-+
(1
-7
)
0,
-.
())
2
1
0
.
,
3F+
:92
90
pressure
+of60sudden
9::)-*/
)009/)3changes.
(1-7)0<
x(Young's
‘+9-7’0q+
:9290y:due
9).to+.thermal
()/F12effects
)66)3.01
-:13
(1-7)
Modulus)
and
a change
linear
dimensions
to+2
linear
and
con,-)1/:,
F)-0,+-0:due
9).
,-)1/)expansion
p*1-0,+-1
-:3
+-;
Maximum
A maximum
3.3.7.1
~L‚&
ƒCACStop.
!eoF1
p,F9F0stop
.+*0shall
(122pre*/); ,in-2
Except
when
element
materials
are
/13.,+-<rp
3)*.5()
-0special
*)3,12)
2
)
F)
.F1
.
)
/
,
1
2
01
/)
vent
motion
beyond
a point
mid8)-.*pointer
+,-.)/F+
.,+-H
)G+-:1*+
,-.1approximately
**/+p,F1.)2GF,
:; .traction.
NI-SPAN—C®
Nickel
w-.)/-1.,+-12m,
34)2
F*2+G):h0such
93(1as0mw
;IDom;Ž“ x(International
way
between
dial
51
GH
).5))-.the
()2last
10.1and
-:.the
()6first
,/0.:,
127graduation
/1:91.,+-1and
-: )employed,
Alloy
Company,
can
be)(
heat
F*1-GhwInc.)
-3<yo2
2+G”902gfx(an
1-1alloy
22+G.that
(1.3
1-H
)1.
prevent
pointer
0shall
(122*
/)8)-..the
()*+
,-.)/6from
/+F 0striking
./,4,-71an-+obstruction.
H0./93.,+-< Ž+
error
by
/)1.):.to+3control
+-./+2TEC),
'rŽyh.the
())
//+/3caused
190):H
G.temperature
)F*)/1.9/)
motion
be)/
restrained
DPointer
+,-.)/F+
.,+-0shall
(122-not+.H
)0./1,-):1at.2less
)00.than
(1-i105%
g„ .treated
will
be)1
approximately
percentage
values
3change
(1-7)5,
22H
**/+p,F1.)2G.the
()*)
/3)-.17)8
129)0
pressure.
+of66full
9220scale
312)*/
)009/)<
given
by
the
following
formula:
7
,
8
)
-H
G.
(
)6
+
2
2
+
5,
76
+
/
F92
1
•
Minimum
A minimum
3.3.7.2
~b‚
CACStop.
!eoF,
-,F9F0stop
.+*0shall
(122pre*/);
vent
pointer
motion
below
a point
8)-.*+
,-.)/F+
.,+-H
)2+5 1*+
,-.„5% 2lower
+5)/.than
(1-.the
()
: 0.04
of6.
the
–g
<gnX x(t2Rf— Rf2)0/0
()0span
*1fy +
a point
midway
6first
,/0.0scale
312)7graduation
/1:91.,+-1and
-:1*+
,-.1approximately
**/+p,F1.)2GF,
:51G
between
dial
When
where
)/)
H).5))-.the
()2last
10.1and
-:.the
()6first
,/0.:,
127graduation.
/1:91.,+-<†(
)- 5(
para.
temperature,
)6)/)-3).
)F*)/1.9/)h˜°CŽ
,incorporated,
-3+/*+/1.):h/requirements
)t9,/)F)-.0+of6*
1/1<‡3.3.2.5
<‡<f<„0shall
(1221apply.
**2G< Rt1i —= /reference
[
i16j
™š›œžŸ¡ ¢£¤¤¥¢¦œ¢¡§¢̈©§žª«¬¢­šªž§¡œ¢š®¢̄§ª«¬žª«°¢±¬Ÿž¬§§²³
´š§›šµ¶ª¡žš¬¢©«œ¢¦§¢©«µ§¢š®¢¡ž²¢©«¡§ž«°¢·ž¡š¶¡¢·ž¡¡§¬¢ªš¬²§¬¡¢š®¢̈­¯±³
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
For
t2 ambient
B3.4.1.9
CDCECQ Accuracy
I//'&/3!is6affected
22"/$">by3&readability.
"> !.!$3<+
,&this
$0!6
!"#$$temperature,
"%"&$'&"()°C*
&reason,
"6,#(,
&
"
/
/
'&
$
"1
'1"
6
&
"1
"
#"
&
.
.
3
>"!
#
more accurate gauges are generally made in
&1"&6sizes
!R"68(see
6""=Table
."41).:<
+For,&"example,
-%."(/
0#1",of2approximately
%%&,-!$".341%5at$2full
'..6scale
/." .larger
a change
%&
"66'&",occurs
//'&62for,&"each
/025°C
7)*8(45°F)
97)+:/change
0#1"!in#$
"%"&;
pressure
temperaB3.4.1.10
CDCECES Mounting
T,'#$!#1%
&"66'&"1gauge
'1"!
#%,
6!$!,#
a pressure
in
a position
$ture.
'&"<=0
!6"error
&&,&!is6approximately
%%&,-!$".3%&
,%,&$!,#.$to,$the
0" ,other
This
proportional
$
0
"
&$
0
#$
0
$
!
/
0!
.
!
&
$
"
>/
#
2
2
"
/$!its$6
than
that
at$G0
which
it$G
was6/
calibrated
can
affect
pressure
applied
%%.!">%&
"66'&"and
#>$therefore
0"&"2,&"/cannot
##,$be"/corrected
,&&"/$">by3 accuracy.
Normal
calibrating
position
is6'
upright
and
/
/
'
&
/
3
<U,
&
./
.
!
&
$
!
#
1%
,
6
!
$
!
,
#!
%&
!
1
0
$
#>
&resetting
"6"$$!#1$the
0"%,
!#$"&<
pointer.
applications
requiring
mounting
in
other
?
"
&
$
!
/
.
<+
,
&
%%.
!
/
$
!
,
#
6&
"
A
'!
&
!
#
1,
'#
$
!
#
1!
#,
$
0
"&
vertical.
For
+For,&1
!?"#$temperature
"%"&$'&"/condition,
,#>!$!,#(/correction
,&&"/$!,#/can
#be" $than
a given
0
#$
0
!
6%
,
6
!
$
!
,
#
(
/
,
#
6
'.
$$
0
"6
'%%
.
!
"
&
<
this
position,
consult
the
supplier.
made
>"by3/calculating
./'.$!#1$the
0"approximate
%%&,-!$""error
&&,&at$"each
/0
B3.4.1.11
CDCECEE VSome
,"
6,.'$"%&
"66'&"1gauges
'1"6
&"%&
"6;
absolute
pressure
are
presapplied
%%.!">%pressure
&"66'&"?value
.'"and
#>adding
>>!#1!
' $&/$!#1
it$$
to,,
or&6
subtracting
'&"1gauges
'1"6G!
$0$
0"%
,!#$"&6
"$$
#>!/$"414.7
9<P%
6!
with
the
pointer
set
to,!
indicate
psia
!it$2from
&,$the
0"!indicated
#>!/$">?
.'"<@If2$the
0"$temperature
"%"&$'&"/condition
,#>!$!,# 6sure
value.
G!$0$the
0""
.6$!/"element
.""#$'
#%&"66'&!R"><=0
"6"1gauges
'1"6
elastic
unpressurized.
These
a more
!is66stable
$."and
#>,
&"accurate
//'&$"!indication
#>!/$!,#!is6&required,
"A'!&">( with
pressure,
will
in
!indicate
#>!/$"!in#$terms
"&6,of2absolute
6,.'$"%&
"66'&"(but'$G!
..be"!
#
&recalibration
"/.!&$!,#
3be"appropriate.
%%&,%&!$"<
may
error
"
&
&
,
&
3$
0
">!
2
2
"
&
"
#
/
"
"
$
G"
"
#$
0
"
!
"
#
$%&
"
6
6
'
&
"
by
the
difference
between
the
ambient
pressure
B3.4.1.4
CDCECD F
'1"6&represented
"%&"6"#$">as6being
"!#1/compensated
,%"#6$"> and
Gauges
#
>4
9
<
P%
6
!
<W$
0
"
&
6
,
.
'$
"%&
"
6
6
'
&
"1
'1
"
6!
#
>!
/
$
"
14.7
psia.
Other
absolute
pressure
gauges
indicate
2for,&6service
"&?!/"at$?various
&!,'6$temperatures
"%"&$'&"61generally
"#"&..30
?"/com,; the
have
pressure
Value,
even
the
0"/correct
,&&"/$absolute
6,.'$"%
&"66'&"?
.'"("
?"#$though
0,'10$
0"
%,
#"#$6,of26special
%"/!.
$"&!.6and
#>>"
6!1#$to,/compensate
,%"#6$" $
ponents
materials
design
ambient
vary.
!
"
#
$%
&
"
6
6
'&
"
&
3
<
pressure
may3?
not
#
,$,only
#.32for,&$the
0"$temperature
"%"&$'&""effects
22"/$6,on#$the
0""elastic
.6$!/"ele.";
Pressure
inaccuB3.4.1.12
CDCECEX Y&
"66'&"1gauges
'1"6/can
#be"&rendered
"#>"&">!
#//';
"
#$6stiffness,
$!22#"66(but'$also
.6,$to,/compensate
,%"#6$"2for,&6similar
!!.&"effects
22"/$6 &rate
ment
during
shipment
despite
care
taken
in
packaging.
$
">
'&
!
#
16
0
!
%
"
#
$>"
6
%!
$
"/
&
"$
Z
"
#!
#%
/
Z
1!#1<
,on#$the
0"1gauge
'1""
/0#!6<=0
//'&/3/classification
.66!2!/$!,#,of2 =To,"#6'&"/,#2,&#/"$,$0"6$#>&>1&>"$,G0
mechanism.
The"
accuracy
!/0
ensure
conformance
to
the
standard
grade
to
which
a temperature—compensated
$
"%"&$'&";/,%"#6$">1gauge
'1"!is6"established
6$ .!60">by3$the
0" $the
pressure
gauge
was
manufactured,
it
should
be"
0"%&
"
6
6
'&
"1
'1
"G
6
#'2
/
$
'&
"
>(!
$6
0,
'.
>
magnitude
1#!$'>",of2$the
0".largest
&1"6$"error
&&,&"encountered
#/,'#$"&">G0
"#$the
0" /checked
when
before
use.
0
"
/
Z
"
>
"
2
,
&
"'6
"
<
1gauge
'1"!is6$tested
"6$">,over
?"&!its$6"entire
#$!&"&rated
$">6service
"&?!/"$temperature
"%"&$'&"
&range.
#1"<
B3.5CH[Installation
\]^_``_^ab\
Gauges
with
B3.4.1.5
CDCECH F
'1"6G!
$06sealed
".">/cases,
6"6(.liquid
!A'!>2filled
!..">,or& c"
Before
2,&"!installing
#6$..!#1%&
"66'&"1
'1"(/
,#6!>"&$!,#
a pressure
gauge,
consideration
not,
will
a result
#
,$(G!
.."exhibit
-0!!$additional
>>!$!,#."error
&&,&as6&
"6'.$,of2"exposure
-%,6'&" 6should
be"1
given
to,"
environmental
conditions
0
,
'.
>
!
?
"
#$
#
?
!
&
,
#
"
#
$
./
,
#
>!
$
!,#66such
'/0as6
different
$to,ambient
!"#$,or&"
>!$temperature
"%"&$'&">!
22"&"#$2from
&, $that
0$ $temperature,
media
humidity,
vibration,
pulsation,
and
shock
"
%"
&
$
'&
"
(
0
'!
>!
$
3
(
?
!
&
$
!
,
#
(%
'.
6
$
!
,
#
(
#
>6
0,/Z
which
was66
sealed
unless
at$G0
!/0$the
0"/case
6"G
".">'#
."66/compensation
,%"#6$!,#!is6 and
main#
>$
0
"%
,
6
6
!
.
"#
"
"
>2
,
&%
&
,
$
"
/
$
!
?
"
$
$
/
0
"
#
$
6
(
!#;
the
possible
need
for
protective
attachments,
provided.
This
internal
pressure
%&
,?!>"><=0
!6"error
&&,&!is6/caused
'6">by3!
#$"&#./case
6"%&
"66'&" $tenance,
requirements.
Refer
"
#
#
/
"
(
#
>L,
%
"
/
!
.
!
#
6
$
.
.
$
!
,
#&
"
A
'!
&
"
"
#
$
6
<
d"
2"&
and
/ or&6
special
installation
/changes
0#1"6and
#>>"
%"#>6,on#2fill!.."
>!("extent
-$"#$,of22fill,
!..(and
#> $to,6section
depends
media,
4,(Safety.
"
/
$
!
,
#9
V
2
"
$
3
<
,other
$0"&2factors.
/$,&6<
The"1
gauge
must
with
the
=0
'1"/connection
,##"/$!,#'
6$be"/compatible
,%$!."G!
$0$
0"
The""
error
=0
&&,&!is6/constant
,#6$#$,over
?"&$the
0""entire
#$!&"6scale,
/."(and
#>!if2$the
0" mating
$!#1/
,##"/$!,#(and
#>
%%&,%&!$"
66" .3$tech"/0;
connection,
appropriate
assembly
within
$temperature
"%"&$'&"!is66stable,
$."(G!
$0!#.limits,
!!$6(!it$/can
#be"/corrected
,&&"/$"> niques
must$be"'6
used.
#!A'"6'6
"><
by
pointer.
3&resetting
"6"$$!#1$the
0"%,
!#$"&<
@Installation
#6$..$!,#,of2$the
0"1gauge
'1"6should
0,'.>be"accomplished
//,%.!60">by3
An increase
generally
I#!
#/&"6"!in#$temperature
"%"&$'&"1"
#"&..3/causes
'6"6an# $tightening
wrench
!10$"#!#1$the
0"%&
"66'&"/
,##"/$!,#'6
!#1$the0"G&
"#/0
pressure
connection
using
!increase
#/&"6"!in#!internal
#$"&#./case
6"%&
"66'&"G!
$0&
"6'.$!#1 2flats
pressure
with
a resulting
if2%&
provided.
Failure
to,>,6
do so,
may
in
loss
of2
.$6!
,?!>"><+
!.'&"$
3&result
"6'.$!
#.
,66,
decrease
pressure.
The",
opposite
>"
/&"6"!in#!indicated
#>!/$">%
&"66'&"<=0
%%,6!$",occurs
//'&62for,& accuracy,
mechanical
damage
to,
//'&/3("excessive
-/"66!?"2friction,
&!/$!,#(,or&"
/0#!/.>
1"$
a decrease
>"
/&"6"!in#$temperature.
"%"&$'&"<
pressure
$the
0"%&
"66'&""element
.""#$,
6"<
or&/
case.
a given
+For,&1
!?"#$temperature
"%"&$'&"/change,
0#1"($the
0"%percentage
"&/"#$1",of2
noted
a function
"error
&&,&#
,$">,on#$the
0"1gauge
'1"!is62
'#/$!,#,of2$the
0"&range
#1"8(or,& 4 e
fghij
SAFETY
6span)
%#:,of2$the
0"1gauge.
'1"<@If,2(2for,&"example,
-%."($the
0"$temperature
"%"&$'&" D
increase
!increases
#/&"6"6/causing
'6!#1$the
0"!internal
#$"&#./case
6"%pressure
&"66'&"$to,!
#/&"6" D
Scope
kblm
by
3 psi,!
a 0/LJ
30K%6
psi!1
gauge,
will
3J%6
($then
0"#,on#K
'1"($this
0!6G!
../cause
'6"a 4.1CEe
This
informaStandard
presents
certain
=0
!66section
"/$!,#,of2$the
0"V
$#>&>%&
"6"#$6/
"&$!#!
#2,&;
-10% error, whereas on a 0/100 psi gauge, the error
tion
to
guide
users,
suppliers,
and
manufacturers
toward
$
!
,
#$
,1
'!
>"'6
"
&
6
(
6
'
%%.
!
"
&
6
(
#
>
#
'2
/
$
'&
"
&
6
$,G&>
will be —3%. For higher ranges, the percentage of error
minimizing
the
hazards
that
could
result
from
misuse
!
#
!
!
R
!
#
1$
0
"0
R
&
>6$
0
$
/
,
'.
>&
"
6
'
.
$
2
&
,
!
6'6",or&
becomes
proportionately
"/,"6%&
,%,&$!,#$".3.less.
"66<
misapplication
with
!
6%%.!/$!,#,of2pressure
%&"66'&"1gauges
'1"6G!
$0"elastic
.6$!/"elements.
.""#$6<
The"
accuracy
a retard
B3.4.1.6
CDCECM =0
//'&/3,of2&
"$&>1gauge
'1"6shall
0..be" =0
The"'
user
familiar
with
all
sections
of2
6"&6should
0,'.>become
"/,"2
!.!&G!
$0
..6
"/$!,#6,
a percentage
portion
"expressed
-%&"66">as6%
"&/"#$1",of2$the
0""expanded
-%#>">%,
&$!,#,of2 $this
all
0!6VStandard,
$#>&>(as6
..aspects
6%"/$6,of26safety
2"$3/cannot
##,$be"/covered
,?"&">
The"
accuracy
portion
$the
0"6scale.
/."<=0
//'&/32for,&$the
0"/compressed
,%&"66">%
,&$!,#,of2 !in#$this
Consult
the
manufacturer
0!66section.
"/$!,#<*,
#6'.$$
0"
#'2/$'&"&,or&6supplier
'%%.!"&
may
different.
$the
0"6scale
/."
3be"6substantially
' 6$#$!..3>!
22"&"#$<
whenever
is6'#
uncertainty
safe
2for,&advice
>?!/"G0
"#"?"&$there
0"&"!
/"&$!#$3about
,'$$the
0"6
2"
application
of2%
a pressure
gauge.
%
%
.
!
/
$
!
,
#,
&
"
6
6
'&
"1
'
1
"
<
The"
accuracy
a gauge
with
B3.4.1.7
CDCECN =0
//'&/3,of21
'1"G!
$06suppressed
'%%&"66">
a percentage
6scale
/."6shall
0..be""expressed
-%&"66">as6%"
&/"#$1",of26span.
%#<
General
D4.2CXnm
\mo_`pDiscussion
a]kq]]ab\
Adequate
planThe"
4.2.1
results
accuracy
a compound
B3.4.1.8
CDCECO =0
//'&/3,of2/
,%,'#>1gauge
'1"6shall
0.. D
CXCE I>"
A'$"6safety
2"$3&
"6'.$62from
&, intelligent
!#$"..!1"#$%.
#;
ning
installation
into
be""
expressed
a percentage
-%&"66">as6%
"&/"#$1",of26span.
%#<
#!#1and
#>/careful
&"2'.6selection
"."/$!,#and
#>!
#6$..$!,#,of21gauges
'1"6!
#$,
[
417P
rstuvwxyz {|}}~{u{zy€{‚€vwƒ„{†sƒw€zu{s‡{ˆ€ƒy„wƒ„‰{Š xw€€v‹Œ
sv€tvsŽƒzws{‚„u{€{‚„Ž€{s‡{zyw‹{‚„z€vw„‰{wzysz{vwzz€{ƒs‹€z{s‡{†ˆŠŒ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
inform
system.
!"#$%&
should
&' ()*
+,'#"the
&supplier
(* @(6)GB5
P+*+1'of,soft
',"soldered
'())'or
*(.0
>)8
'*+"
a pressure
Theuser
silver
brazed
joints
weakening
'of,all((-conditions
'+)*"*'+pertinent
"*++""to'"the
&application
(*-"*'+and
+)envi+.*/ -caused
)0
!&
"
'
&
,
*
by heat sources such as fires
most
ronment
'+#+"so'"that
&""the
&supplier
(*-can
+recommend
-'##+)"the
&#'
" @(f)HB-corrosion
''*'+
suitable
*"0(1gauge
1,for'"the
&application.
(*-"*'+$
@(g)IB,fatigue
"*1 @
J
B#
-&+*-(shock
&'-P
(h)
mechanical
24.2.2
3434 %&
*"'!'of,safety
,"!5*
"&respect
-""to'"the
&use'of, @(1')KBexcessive
The&
history
with
6
*
.
.
*
0
"*'+
vibration
been
personnel
1gauges
1&has0
+excellent.
6-((+"$7Injuries
+8*"to'
'++( RFailure
pressure
*
(
*
+'
#
)1
system
!"# -can
+0
6-")
in
a
compressed
gas
be
expected
been
minimal.
most
and
+))
#1"to'property
'"!&have
.0
+#*
+*#($7In+#'
" "to'
damages
produce
violent
effects.
'
)
.
*
'
(
+
"
,
,
"
$
*instances,
+"+-9"the
&-cause
'of,,failure
*(&
0
+#*
'or#*
/
has
been
misuse
misapplication.
(*-"*'+$
24.2.7
343VWX
YZ[Xof\]Pressure
^Z[[_^Z`a
_bZcFailure
ade_^Z
Modes
Gauge
The
24.2.3
343: %&
/+*+1element
(#+"*in+#'
"1gauges
1
pressure-sensing
most
failure
by
"*1 ,
*(-caused
)0
!
24.2.7.1
343V3fcFatigue
agdb_ZcFailure.
ade_^Z3RFatigue
*issubjected
08-")"to'&
*1&*internal
+"+(stresses,
"9and
+)applications
(*-"*'+ high
/
*
+
)
)
"
1
+
(
(
!'
,
'
#"
&
*
+
*
)
pressure-induced
stress
generally
occurs
from
the
inside
where
presexist
6*"5&
"the
&possibility
'*0*(*"!'of,-catastrophic
""'&*-,failure
*(*is
/ to'"the
&'outside
"*)along
('+1&
*1&(!stressed
")
)1
)*'of,
a highly
edge
radius
a
Pressure
diaphragm
ent.
+"$;
regulators,
1 ("'9)*
&1# <(chemical)
-&#*-(=seals,
(9 "
Bourbon
tube,
appearing
as
a small
crack
that
propah'
0
'
+"
0
9
*
+
1
#
(
(
P"
&
"
'
/
pulsation
("*'+)
#'orsnubbers,
+ 009syphons,
!&'+9and
+)'other
"&sim*#/ 1gates
dampers
"
(
'
+
1"
&
)1
)*
$i
&,
*
(
(
(
!
along
the
edge
radius.
Such
failures
are
usually
*ilar
(*items,
"#9areavailable
.*(0(,for'use*in+"these
&
'"+"*((!&
>/ morepotentially
hazwith
liq*"*-(with
5*"&-compressed
'#)1gas#
)*"than
&+5*
"&(
*F/
critical
media
The&
hazard
potential
ardous
)' systems.
!"#$%&
>)'
"+"*(*increases
+-at"&higher
*1& #'
uid
media.
*
)#
)*
$
'operating
"*+1
$
pressure.
release
the
medium
so'
RFatigue
"*1 -cracks
-Pusually
((!
("
&#
)*# slowly
('5(!
0
*
(
)
+0
.
"
)0
!
'
.
*
)*
+
1
/
case
pressure
buildup
can
be
averted
by
providing
presThe,
following
poten24.2.4
3432 %&
'(('5*+1systems
!"#are-considered
'+*))'
"+/
sure
relief
openings
in
the
gauge
case.
However,
in
high
(
*
,
'
+
*
+
1
*
+"
&
1
1
$
j'
5
.
9
*
+&
*
1
&
becarefully
"tially
*((!&hazardous
>)' and
+)#must"0
,((!evaluated:
.(")?
elements
where
the
yield
strength
(
"
*
-
(
#
+"
5&
"
&!*
(
)
"
+1"
&
pressure
elastic
@(a)AB-compressed
'#)1gassystems
!"#
'
&
"
&
(
"
*
#
"
"
+
1
"
&'
,"
&
(
#
+
"#
"
/
approaches
the
ultimate
strength
of
the
element
mate@(19)CB'oxygen
6!1+systems
!"#
*
(
9
,
"
*
1
,
*
(
#
!
#0
(
6
(
'
*
.
,
*
(
$
rial,
fatigue
failure
may
resemble
explosive
failure.
hydrogen
hydrogen
@(C)DBsystems
!"#-containing
'+"*+*+1&!
)'1+'or,free
&!
)'1+ kA snubber
placed
in
pressure
+ 00<(restrictor)
"*-"'=(
-)*
+"the
&1gauge
1
atoms
"'#
inlet
will
reduce
pressure
fluid
flow
from
*
+
(
"5*
(
(
)
1
+
),
(
*
),
(
'
5
,'#
surges
and
@(d)EB-corrosive
''*.,fluid
(*)systems
!"#<(gas
1and
+)(liquid)
*F *)=
"
&
"
*
(
(
!'
+
(
"
*
-
(
#
+
"
$
the
partially
open
elastic
element.
@(e)GB
systems
!"#-containing
'+"*+*+1any
+!explosive
6('*.'or iSee
pressure
para.
A-2.8.
$k/
l$U$
mixture
,flammable
(##0(#*
6"'or#
)*#
medium
@(f)HBsteam
"# systems
!"#
24.2.7.2
343V34mn
Z^o^Z[[_^ZcFailure.
ade_^Z3Overpressure
p.,
*(
Overpressure
failure
@(g)IB+nonsteady
'+")!
systems
!"#
pressure
by
the
*is-caused
)0
!"
&application
(*-"*'+'of,*internal
+"+(pressure
1greater
"
where
be
acci@(h)JBsystems
!"#5&
&high
*1&'overpressure
.-could
' ()0
--*/ "than
of,"
the
occur
&+"the
&rated
")(limits
*#*"'
&elastic
("*-element
(#+"and
+)-can
+'
--
dentally
)
+"((!applied
(*)
when
a low
5&
+(
'5
1gauge
1*
+"(()*in+&
*1&
pressure
is*
installed
a high
pressure
wherein
@(1')KBsystems
!"#5&
*+*interchangeability
+"-&+10*(*"!'of,1gauges
1 '
port
The
effects
of,'
overpressure
failure,
"'orsystem.
!"#$%&
,,-"'
.,
*(9usu/
hazardous
-could
' ()result
("*in+&
>)' *internal
+"+(-contamination
'+"#*+"*'+'or ally
more
than
in
((!#'
-critical
*"*-(*in+-compressed
'#)1gassystems
!"#"
&+*
+
where
be*
installed
higher
5&(lower
'5pressure
1gauges
1-could
' ()0
+"(()*in+&
*1& (liquid-filled
may
cause
*F *)/,*(()systems,
!"#9areunpredictable
+)*-"0(and
+)#
! systems
!"#
pressure
parts
be
propelled
in
direction.
with
pres
""to'0
'(()*
+any
+!)*
-"*'+$Cases
q5*
"&
/
@(j)LBsystems
!"#-containing
'+"*+*+1radioactive
)*'-"*.'or"toxic
'6*-,fluids
(*)<(liq(*F/ sure
relief
will
expelled
parts.
(*,'openings
+*+15*
((not
+'"always
(5!retain
"*+
6(()
"$
uids
*)'or1gases)
=
Placing
a snubber
in
pressure
;(
-*+1
+ 00<(restrictor)
"*-"'=*
+"the
&
1gauge
1
@(k)MBsystems
!"#*installed
+"(()*in+&
>)' environment
+.*'+#+" *inlet
a hazardous
will
immediate
of,,
failure,
+("5*
((not
+'"reduce
) -"the
&*
##)*"effect
,,-"'
*(9but
0"
will
help
control
flow
of,
escaping
fluid
following
rupture
5*
(
(
&
(
'
+
"
'
(
,
(
'
5'
*
+
1,
(
*
),
'
(
(
'
5*
+
1
"
When
beused
with
24.2.5
343N O&
+1gauges
1are"to'0
)*in+-contact
'+"-"5*
"& and
reduce
the
potential
of,
secondary
effects.
+
)
)
"
&
'
"
+
"
*
('
'
+
)
!
,
,
"
$
media
#
)*&having
.*+1Pknown
+'5+'oruncertain
+-"*+-corrosive
''*.effects
,,-"'or 7It"*
is1
+((!accepted
--")"that
&"solid
'(*),
'+"-cases
5*
"&
generally
front
with
be
radioactive,
Pknown
+'5+"to'0
)*'-"*.9random
+)'#'orunique
+*F )
"-"*. destructive
pressure
relief
back
will
reduce
the
possibility
of
parts
(
*
,0
P5*
(
(
)
"
&
'
*
0
*
(
*
"
!'
,
"
phenomena
&
+'#+-can
+'occur.
--$7In+such
-&-cases
"the
&user
should
&' () being
projected
forward
in
the
event
of,,
failure.
0
*
+
1
'
8
"
),
'
5
)*
+"
&
.
+
"'
*
(
$
manufacturer
with
always
(5!,furnish
+*&"the
&supplier
(*'or#
+ ,-"5*
"&*infor+,'/ %&
The5*
window
will
provide
adequate
protec+)'5alone
('+5*
((not
+'"
'.*)
)F "
'"-/
mation
his
#
"*'+relative
("*."to'"the
&application
(*-"*'+and
+)solicit
'(*-*"&
*advice
).*- "tion
against
internal
case
pressure
buildup,
and
can
be
*
'
+
1
*
+
"*
+
"
+
(
0
*
(
)
9
+
)
+0
prior
*'"to'*installation
+"(("*'+'of,"the
&1gauge.
1$
most
hazardous
"the
&#'
"&
>)' -component.
'#'++"$
within
a pressure
24.2.6
343Q RFire
*and
+)explosions
6('*'+5*
"&*+
system
!"# iShort
pressure
impulses
&'")duration
"*'+
*
# (<(pressure
spikes)
*P=
pressure
with
very
violent
-can
+-cause
element
(#+",failure
*(5*
"&.
!.
*'(+" #
may
hydraulic
!'occur
--in*+&
!) (*-'orpneumatic
+ #"*-systems,
!"#9especially
-*((!
point
disintegrating
effects,
,,-"9even
.+"to'"the
&'
*+"'of,-completely
'#("(!)*
*+"1"*+1 5&
when
valves
magnitude
of,the
+.
(.'open
+'or-close.
('$The
%&#
1+*")'
"&spikes
*P
melting
pressure
Violent
'or#
("*+1"the
&
1gauge.
1$S*
'(+"effects
,,-"arealso
(' #
may
be#
many
normal
pressure,
!0
+!"times
*#"the
&+
'#(operating
'"*+1
9and
+)
produced
when
') -)5&
+,failure
*('occurs
--)due"to'
may
not
be*
indicated
by
The
result
be
#
!+
'"0
+)*-")0
!"the
&1gauge.
1$%&
("-could
' ()0
@(or)AB&hydrogen
!)'1+embrittlement
#0*""(#+"
failure,
or(
a large
error.
A snubber
*immediate
##)*",
*(9'
1upscale
-(
'$k
+ 00
a compressed
@(I9)CB-contamination
'+"#*+"*'+'of,'#)1gas
may
the
magnitude
the
pressure
<(restrictor)
"*-"'=#
!reduce
) -"
&#
1+*")'of,"
&
element.
@(C)DB,formation
'#"*'+'of,acetylides
-"!(*)
"transmitted
+#*"")"to'"the
&elastic
("*-
(#+"$
joints
by
Use'
of,
a pressure
limiter
Valve
isolate
the
pressure
(
*#*".
(.-can
+*
'(""
&
@(d)EB5
P+*+1'of,soft
',"solder
'()8
'*+"0
!steam
"# 'or'other
"& r
weakening
pressures
the
of,the
1gauge
1,from
'#
1greater
""than
&+"
&rated
")(limits
*#*"'
"&
&heat
"sources
' -
T18U
stuvwxyz{ |}~~|€v|{z|‚ƒwx„†|‡t„x{v|tˆ|‰„z†x„Š|‹†yx†wŒ
Žtwuwt„{xt†|ƒ v|€|ƒ |tˆ|{zxŒ|ƒ {wxŠ|‘x{zt{|‘wx{{†|„t†Œ†{|tˆ|‚‡‰‹
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
elastic
!element,
"#$protecting
%&'!#(the
)(gauge
*(+from
&'"'overpressure
,&%&*& 'operating
%&#(%
&*&'occurs
!!*&in#the
)"
//)
+P(25%
Rer to'
pressure
middle
half
+failure.
*&-.%&
*&
"
&,
,
/
,
!
)
A pressure limiter valve is a device that is
d75%)
erQ'of+
)scale.
!-1)
*0!%
&*&'of+the
)(gauge
*(
the
The+
full—scale
pressure
pressure,
pres/
(#/to'!close
''on#&rising
#(%
&*&$limiting
" #(the
)%&
0 selected
designed
be
approximately
2 times
!/should
)'*/3
%%&'W"NR
"the
)intended
##//
sure
*&atthe
)'outlet
*'of+the
)/
,!-1)
'#(%&
*&is 'operating
device.
The!
closing
pressure
%&#(%&
*&pressure.
adjustable
/2*3and
#/should
)'*/3
'!
'
3
'
,
)
+
*scale
! 6Should
be set to close above the full
)'*/it3
!&N+for'&the
)'operating
%&#(%&
*&
be#
necessary
pressure
to'
&range
#('of+the
)%&
*&(gauge
*(and
#/3
'4the
)&rated
/limit
" exceed
pressure
below
recomW!/d75%
er'of++full
*scale,
!$!contact
'#!the
)supplier
*%%&+for'&&
!'"0
'of+the
)elastic
!element.
"#-5'
"%information
#+'&"'#&regarding
(&/#( "
Complete
mendations.
#/'#B40.6.
%&
*&limiter
" &,valves
,is!contained
'##/in#.6
789:
;-<pressure
ASME
This/'
does
not
to'
test
suppressed
1)
#
'apply
%%N
&retarded
&//'or&
*%%&/
!
(
*(
scale
gauges.
=4.2.7.3
>?>@>ABCorrosion
CDDCEFCGHFailure.
IFJKDL>5'
&&''#+failure
*&'occurs
!!*&
Corrosion
when
has
been
weakened
4)
#the
)elastic
!element
"#)
3
#4
M#/through
)&'*() NOTE:
Gauges
not
or&indicating
erron*(that
)are&'obviously
3,'*N#
'working
4'&M#('
#/!#(
&&'#0
present
attack
!M3
N!corrosive
'&&',!chemicals
)" !%
&#in#either
)&the
)"
/ st18uv
by
media
should
beimmediately
valved
off
or&&
removed
from
service
'
*
N
)
'
*
/3
""
/
N,
,
/'
+
+'
"'
,
/+
&
'
"
&,!
eously
#/'or&the
)environment
#,&'#"#'outside
*/it.-OFailure
*&"
N'occur
!!*& to'%prevent
inside
may
further
damage.
&
,
#
+
*&
)
&/
"
(
as%pinhole
#)'leakage
M(through
)&'*()the
)element
"#4
'or&early
&N
walls
brought
by
Gauges
Near
>A>?wE
LCofjxI
KcLEyL
IDzZero
LDCfPressure.
DLEEKDL>1)
+fatigue
(*+failure
*&/due
*to'stress
&!cracking
&!M#(3
&'*()about
3'*3
N =
4.3.2
Use
The*
use'
of+
material.
!chemical
)" !/
&'&'#'or&embrittlement
"3&"#'of+the
)"
&- (gauges
deterioration
*(#
&]zero
&'%&
*&is#
'recommended
&!'""#//3
!*
near
pressure
not
because
.A /diaphragm
%)&(" P(chemical)
!)" !Qseal
should
)'*/3
'#/&/ the
be!
considered
tolerance
of+
the
may
be
a large
per)accuracy
!!*&!N
'&#!'
)(gauge
*("
N3
&(%
&0
use4
with
pressure
media
may
have
a corrosive
+for'&*
)%&
*&"
/that
)"
N)
,!
'&&', !centage
of the
pressure.
If,
for
#('+
)applied
%%/%&
*&-X
+$+
'&example,
W"%$a
effect
++!'on#the
)elastic
!element.
"#;0/{p100;;%
/.(
*(is*
/
*&:%
)
psi v&
Grade
A gauge
used
to'"
measure
4 psi,$
the
The
addition
1)
//'#'of+
"
N&reduce
/*!accuracy
!!*&!N'or&sensitiv#,0 accuracy
a seal
may
of+"
measurement
will
: 2 psi,$'
or&e
50%
the
!!*&!N'
*&"#4
be
3|R%
;r'of+
)
ity
both.
detail
ASME
B402.
N'or&3
')-OFor'&+further
*&)&/
see.6
789:
;-Rapplied
%%/%&
*&pressure.
For
this
O
'
&
)
&
'#$(gauges
*(should
)'*/#
'3
/+for'&
)
reason,
not
be*
used
the
4.2.7.4
Explosive
=>
?>@>=SExplosive
TUJCEFVLHFailure.
IFJKDL>8W
%',+failure
*&is
purpose
of
indicating
the
residual
pressure
in
a
tank,
%*
&
%'
'
+
#
/
!
#
(
)
&
/
*
%&
*
&
#
#
M$
!caused
*/3
Nthe
)&release
'of+explosive
W%',energy
#&(N(generated
#&/3
N
by
by
similar
device
*
'
!
,
$'
&'
)
&
"
&/
,
!
)
)
3
#
"0
autoclave,
or
other
that
has
been
seem!
)" !&reaction
!'#such
*!)as!can
#&result
*4)
#adiabatic
/3!
a chemical
when
exhausted.
#(N
W)*/-}
%#/#('on#the
)
!!*&!Nand
#/
)
Depending
accuracy
the
!compression
'"%&'#'of+'oxygen
WN(#'occurs
!!*&in#the
)%presence
&#!'of+hydro)N/&'0 ingly
range
of
the
gauge,
hazardous
pressure
may
remain
&
#
(
'
+
)
(
*
(
$)
]
&
/'
*%&
*
&
"
N&
"
#
carbons.
It
is
generally
accepted
that
there
is
no
known
!&3'#-X(#&N!!%/))& #'M#'4#
zero
)tank
#Meven
,#though
)'*()the
)(gauge
*(isindicating
#/!#(]
&'
"
#'of+%&
/!#(the
)"
(#*/'or&effects
++!'of+this
)type
N% in#the
means
predicting
magnitude
%&*&mode
a solid
wall
'of++failure.
*&-OFor'&this
)"'
/'of++failure,
*&$
'/4
'or&%portion
'&'# pressure.
between
not
34#the
)elastic
!element
"#and
#/the
)4window
#/'4 will
4 #
' 1)
The'
operator
may
develop
a false
security
%&'&"
N/
,'%+
sense
#'of+
!*&N
parts
being
projected
#
!&N%prevent
&,#%
&3
#(%&
'2!/+forward.
'&4&/necessarily
when
4)
#the
)(gauge
*(indicates
#/!]
&''
&0]&'%&
*&
zero
or&#
near-zero
pressure
even
though
there
may
be
substantial
pressure
in
,
#
)
'
*(
)
)
&
"
N3
*
3
#
%
&
*&
#the
)
=4.2.7.5
>?>@>YZ
F[DI\FCGHFailure.
IFJKDL>1)
!common
'""'#"'
/ system.
Vibration
The"'
most
mode
A
venting
device
must
be
used
to
completely
N
"-.,
#
#
(/
,
!
"*
3
*
/
'!
'
"%
N
wear
mechanical
'of+,vibration
3&'#+failure
*&is4
&'of+"
!)#!!components
'"%'## &reduce
/
*!
)
%&
*
&
']
&
'3
+
'
&
*#
'
!
M
#
(!
'
,
&
$
the
pressure
to
zero
before
unlocking
covers,
by
vibration.
This
3!*'of+)high
()!cyclic
N!!loading
'/#(!caused
*/3
N,
3&'#-1)
because
performing
activities.
"',#(+fittings,
#($'or&%
&+'&" #('other
)&similar
" &
!,is!
characterized
by
ulti)&!&]/3
N(gradual
&/*loss
''of+accuracy,
!!*&!N$and,
#/$*
0 &removing
mately
pressure
"
N+failure
*&'of+the
)%pointer
'#&to'indicate
#/!any
#N%&
*& =
With
Medium
>A>ABCompatibility
CmUI\F[FJF\k~F
\€L
aFKm
4.3.3
!change.
)#(Wetted
elastic
gener1)
!element
"#is(
#&0
>A>A>n~L
\\LafParts.
ID\E>The
4.3.3.1
Vibration-Induced
=4.2.7.6
>?>@>^Z
F[DI\FCG_`GaKbLaHFatigue
I\FcKLHFailure.
IFJKDL>XIn#addi//0 ally a=
thin—walled
member,
which
of
necessity
operates
N
)
#
0
4
/"
"3
&
$
4)
!
)'
+#
!
N'
%
&
movement
tion
'#to'itseffect
++!'on#the
)(gauge
*("'
,"#and
#/linkage,
#M($
under
high
stress
conditions
and
must,
therefore,
be
*#
/
&)
(
)
&
!
'
#
/
'
#
#
/"*
$
)
&
+
'
&
$3
may
para.
result
P(see
%
&-:4.2.7.5),
-R-d-eQ$,vibration
3&'#"
Nin#some
'"instances
##!&
*
carefully
selected
for
compatibility
with
the
medium
!
&
+
*
N
!
/+
'
&!
'
"%
3
N4
)
)
"
/
*"
in
parts
the
pressure
#)high
()loading
'/#('of+,various
&'*%
&'of+
)%&
*&element
"#
measured.
common
element
3#("
*&/-None
s'#'of+the
)!
'""'#
"#materials
"&
This
loading
assembly.
"3N-1)
'/#(!could
'*/!cause
*!cracks
&!Min#the
)element
"# being
is
impervious
to
every
type
of
chemical
attack.
The
"%
&
,
'
*
'
,
&
N
N
%'
+!
)
"
!
!M-1)
itself,
or
joints.
Case
pressure
buildup
may
be
slow,
+$'&in#2
'#-5
%&
*&3
*/*%"
N3
'4$
corrosive
attack
by
many
%'#+for'&!
'&&',
!Misestablished
3)/3
N"
#N
but
possible
a large
may
develop,
3*itis%'
3that
)
&()hole
'"
Nsuddenly
*//#N/
,'%$ potential
with
a high
which
the
temperature,
!'&$including
#!*/#(
)!concentration,
'#!#&'#$
"%&*&$and
#/
4
))
()&rate
'of+!case
%pressure
&*&&rise,
$4)
!)!could
'*/&result
* +factors,
in
a failure
of+
the
medium.
user
!contamination
'#" #'#'
)"
/*"-The
1)*
&should
)'*/inform
#+'&"
#+
*&similar
" &to'an#explosive
W%',+failure.
*&the
the
conditions
so'
that
)(gauge
*(supplier
*%%&'of+
)installation
#'#!
'#/'#
)
Apparent
may
be
encoun=4.2.7.7
>?>@>@fPlugging.
JKccFGc>.%
%&#+failure
*&"
N3
#!'*#0 the
appropriate
element
materials
can
be
selected.
)
%
%
&
'
%&
"
#
"
&
!
#3
!
/(clogging)
of
plugging
pressure
tered
&//due
*to'%
*((#(P!'((#(Q'+internal
#&#%&
*&
passages
devices
by
pressure
media.
%
('or&throttling
)&'#(/
,!3
Nthe
)%&
*&"
/Test
calibration
fluid
=4.3.3.2
>A>A>?BCalibration
IJF[DI\FCG
LE\HFluid.
JKFa>The
1)!
3&'#+
*/
A /
diaphragm
be!
considered
use4
with
.
%)&(" seal
should
)'*/3
'#/&/+for'&*
) "*
must3
be!
compatible
with
the
medium.
Test
fluids
con'
"%
3
4
)
)
"
/
*
"-1
+
*
/!
'#0
pressure
media
may
plugging
%&
*&"
/that
)"
N!cause
*%
*((#('or&!clogging.
'((#(- taining
hydrocarbons
not be*
used
when
the
##()N
/&'!&3'#should
)'*/#'3
/4)
#
)
=4.2.8
>?>gfPressure
DLEEKDLBConnection.
CGGLb\FCG>6See&recommendations
!'""#/'#in# "
medium
or&'
other
/*" is'oxygen
WN(#'
)&'oxidants.
W/#para.
%
&-h3.3.5.
-h-ea Pressure
=4.3.4
>A>=BCapability
IUI[FJF\kCofjIf
DLEEKDLSElement.
JLmLG\>InX#addition
//'#to'
=4.3>AiSafety
IjL\klRecommendations
LbCmmLGaI\FCGE
capability
a pressure
the
)+factors
!'&/discussed
!*/above,
3',$the
)!
%3N'of+%&
*&
fabriby
the
design,
"#isinfluenced
#+*#!/3
N
)/
(#$materials,
"&$and
#/+
3&0
Pressure.
Operating
pressure
gauge
=>
A>n oUL
DI\FGcfD
LEEKDL>The
1)%&
*&(
*( element
4.3.1
a full—scale
pressure
the
joints
between
parts.
'#'of+
)2
'#3
4#its%
&selected
!/should
)'*/)have
,+
*0!%&
*&such
*!)that
)the
) !cation
[
p19q
‚ƒ„†‡ˆ‰Š ‹ŒŽ‹‹Š‰‹‘’†‡“”•‹–ƒ“‡Š‹ƒ—‹˜“‰”•‡“”™‹š•ˆ‡•†›œ
ƒ†„†ƒžŸ“Š‡ƒ•‹’”‹‹’”ž‹ƒ—‹Š‰‡›‹’”Š†‡”™‹‡Š‰ƒŸŠ‹†‡ŠŠ•‹“ƒ•›•Š‹ƒ—‹‘–˜šœ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
properties).
ACETY—
!"#of$joining
%&&'(are)#soft
$#soldering,
*")&'+#silver
&*,) 4)
4)&#r0\!
(6'(
3()the
!&inscription
#2)&4&We\s5
Common
methods
The'
gauge
may
bear
)
(
.
&
'
+
(
"/
*
"&
'
0
1
&
#2
(
(
$
$
2
"3
4
)
(
5
lete
!
"&
(
*
0c
)(
)
&
(
*)
2
"(
&##see
brazing, and welding. Ioints can be affected by temperaLENE on the dial. For material recommendations
ture,
media.
Where
6)+#stress,
)##+(and
"2corrosive
))#&,
"&(07!
)(application
44*&2(& uWe5
]0
CGA E—4.
8questions
6#&#(arise,
)&#+these
!#$factors
(2)##should
!6*"2considered
#&")"(and
"
be
Ammonia
indi94.3.8.2
:;:i:XD
vvFGABoB
[p?:AW'gauge
(6'"
#&'"to&
"&5
Gauge.
designed
"&
#26##"3the
!6#
)(and
"#supplier.
644*&)0
discussed
by
user
2cate
((ammonia
&(4)
##6)(and
"to/&
!#("the
!2corrosive
))#&,
pressure
withstand
The'
gauge
may
bear
inscription
$$2#of$(ammonia.
&(0\!
(6'(
3()the
!&
#2)&4&
effects
94.3.5
:;:<=Special
>?@ABCApplications.
D>>CA@BEAFGH:ISome
#special
42&(*(applications
44*&2(&# AMMONIA
or
NH3
on
WddwtT
W
)txU
!
"&
(
*
0
T
#
!
6*
"(
*
#
&
2*6"
the
dial.
It
should
also
include
)require
86&)that
!( the
!4
)##6)element
* (assembly
##-*3!have
(,(!
&'! the
pressure
a high
!
8
6&
,
(
*
#
(
6)
(
&
4
)
(
6)
#
2
(
*
(
)J&'#
equivalent
saturation
temperature
scale
markings
degree
Users
"
')of$*leakage
(J('&integrity.
')&30K#
)##should
!6*"2contact
(2 the
! onthe
dial.
Materials
such
as
copper,
brass,
and
silver
!
"&
(
*
0
d(
)
&
(
*
##
62
!(
#2
4
4
)
+
)
(
#
#
+
(
"#
&*,)
#supplier
644*&)toensure
#6)that
!( the
!(allowable
**/(-**leakage
(J(')rate
(&is#
brazing
not
alloys
should
not
be
used.
)
(
.
&
'(
*
*
3
##
!
6*
"
6#
"0
exceeded.
L2""0
94.3.8.3
:;:i:;NChemical
y?vA@BCoB
[p?:AW'gauge
(6'"
#&'"to&indi"&5
Gauge.
designed
94.3.6
:;:MNCases
BH?H
pressure
high
viscosity
2cate
(the
!4)
##6)of$2corrosive
))#&,or)!
&'!,
&#2#&3$fluids,
*6&"#+
both.
The4)
primary
material(s)
in
contact
!0\!
&()3(
)&(*q#r&
2
(2 with
/&! the
!
)(**3(accepted
224" or)94.3.6.1
:;:M:ONCases,
BH?HP=Solid
FCAQRFront.
SFGE:TIt &is#'generally
"&6 (
3-&
"&$&"
!"&
(*0TIt may
(3-
medium
may
be identified
on the
dial.
be
!( (#
*&"$front
) 2case
(#4
)(0U3.3.1
0U0V/&
**)reduce
"62the
! that
a solid
per)4(
para.
will
86&44"/&
!("&
(4!)(' q(chemical)
2!&2(*r#seal,
(*+46
*#(&
with
a diaphragm
pulsation
possibility
being
projected
in
4##&-&*&3of$parts
4()#&'4)
%2"$forward
)/()"&
the
!event
, equipped
damper,
or
pressure
relief
or
a
combination.
"(
4
)
+
)4)
#
#
6)
)
*
&
$"
,&
2
+
)(2
&
(
&0
device,
An exception
of$elastic
*(#&2element
* (assembly
##-*3$failure.
(&*6)0W
L24&&is#
to
minimize
potential
\!
#
"
,
&
2
#!
*
4
&
&
&
.
4
&
(
*"(
(
'
These
devices
help
damage
to
explosive
L4*#&,$failure
(&*6)of$the
!elastic
*(#&2element
* (assembly.
##-*30
4
)
#
*(
"4)
4
)
3&
!
,
$'
(
6
'
$
(
&
*
6)
0
personnel
and
property
in
the
event
of
gauge
failure.
94.3.6.2
:;:M:XNCases,
BH?HPYLiquid
AZ[AQRFilled.
ACC?Q:TIt has
!(#'
)(* \!
been
general
They
may,
however,
also
or)#
sensitivity,
3(
3
+
!
/
,
)
+
(
*
#
)
"
62
(
2
2
6)
(
2
3
#
&
&
,
&
3
+
reduce
accuracy
4)(2&2to6#
*32)&or)#silicone
&*&2$filling
&**&'$fluids.
*6&"#0\!
# or)practice
use'
glycerin
These
!
0
both.
must be
where
$fluids
*6&"#6#
-(avoided
,&""/!
)#strong
)'oxidizing
L&"&.&'(agents
'#
94.3.8.4
:;:i:9z{
np?GoB
[p?:AW'gauge
(6'"
#&'"to&indi"&5
Oxygen
Gauge.
designed
nitric
&including,
2*6"&'+6
*limited
&&" to,+oxygen,
L3'+2chlorine,
!*)&+
&)&2 2cate
but
not
Cleanliness
shall
comply
with
(
L
3
'
4)
#
#
6)
0*
(
*
&
#
##
!(
*
*2
4*
3/&
!
oxygen
pressure.
(acid,
2&"+(and
"!
3")'4
)L&"(are)&involved.
,*,"0T
the
!4)
#5 l
hydrogen
peroxide
In
presLevel
,
*
T
|q
#
#
2
&
h
r
0
\!
"&
(
*
#
!
(
*
*
2
*
(
)
*
3(
)
J
"
IV
(see
section
5).
The
dial
shall
be
clearly
marked
potential
hazard
ence
2of$oxidizing
L&"&.&'(agents,
'#+4
&(*!
(.()"2can
()result
#6* /&
!(6
&,)#(*#symbol
3-*(and/
"}or)KI
etw
wTl&in)
"
a universal
USE
NO OIL
red
$from
) 2chemical
!&2(*)reaction,
(2&+&ignition,
'&&+or)explosion.
L4*#&0
5 2with
Comcolor
(see
para.
6.1.1.4).
*
)q
#
4
(
)
(
0
~
0
V
0
V
0
]
r
0
4*
*3$fluorinated
*6)&("or)2chlorinated
!*)&("$fluids,
*6&"#+or)!+(
3
pletely
both,
may
be
more
-
)#suitable
6&(-*$for)#such
62!(applications.
44*&2(&#0
Gauges
:9Reuse
?[H?Fofj€Pressure
S?HH[S?oB
[p?H
4.4
The6
user
detailed
\!
#)#shall
!(**$furnish
6)&#!"
(&*"&information
$)(&)relative
*(&, 9
not
gauges
be
moved
TIt &is#
)recommended
2""that
!(pressure
4)##6)'
(6'#,"
the
!(application
44*&2(&of$'gauges
(6'#!having
(,&'*liquid—filled
&86&"5$&**"2cases
(## $from
to
one
application
to
another
for
the
following
)
(
44*
&
2
(
&
(
!
)$
)
!$
*
*
/&
'
prior
(and
"#solicit
*&2& the
!(advice
",&2of$the
!'gauge
(6'#supplier
644*&)4)
&)to )reasons:
(
#
#

&installation.
#(**(&0
The consequences
of$
‚(a)ƒ„Chemical
†‡ˆ‰Šƒ‹Compatibility.
ŒˆƒŽ‰‰‹‰Ž‘\!2
#862#
a compressed
TIn(2
4)##"'gas(#(application,
44*&2(&+2consideration
#&")(&#should
!6*" &incompatibility
can
range
from
contamination
to
explo
2
4(
&
&
*
&
32
(
)
(
'
$
)
2
(
&
(
&
L
4*
5
be'
given
(also
*#&,tothe
!&instantaneous
#((6#!hydraulic
3")(6*&2effect
$$2 that
!( #sive
failure.
For
example,
moving
an
oil
&
,
$
(
&
*
6)
0c
)
L
(
4
*
+
,
&
'(
&
*#
)
,
&
2
'
(
6'
service
gauge
may
be2
created
by
modes
(
3)("3one
of$the
!
"#of$$failure
(&*6)outlined
6*&"&in tooxygen
failure.
services
can
result
in
explosive
L
3
'
#
)
,
&
2
#2
(
)
#
6*
&
L
4*
#
&
,
$
(
&
*
6)
0
para.
The!
hydraulic
pressure
4(
)(04.2.7.
]0^0_0\!
3")(6*&2effect
$$2"due
6to4)
##6)element
* ‚(b)„’ƒ
Partial
Fatigue.
The$
first
may
involve
“Ž‰ƒ‹”
ƒŽ‰•–‡‘\!
&)# installation
&#(**(&(
3&
,*,
window
be4
projected
$failure
(&*6)2could
6*"2cause
(6#the
!/&
"/ to)%2"$forward
)/()" 4)
#
#
6
)
4
6*
#
(
&
!
(
!
(
#
L
4
"
"
#
$
!
'
(6'
pressure
pulsation
that
has
expended
most
of
the
gauge
when
a case
a solid
even
,/!
(2
(#!having
(,&'(#
*&"$front
) is&#employed.
4*3"0 *life,
in
in
installation.
&$+)resulting
#6*&'&
early
()*3$fatigue
(&'6&
the
!#second
2"&
#(**(&0
Snubber.
Placing
a snubber
a restrictor
9:
;:`=G
[aa?S:b*
(2&'(#
6--)or)()
#)&2) ‚(C)Š„Corrosion.
4.3.7
Corrosion
element
Œ““Œ—‰Œ˜‘)
)#&of$the
!4)
##6)
*
pressure
between
pressure
-/the
!4)
##6)2connection
2&(and
"the
!elastic
*(#&2element
* (assembly
may
be#
##-*3&
the
!$first
&)# &installation
#(**(&(
36$$&2& to
in
sufficient
will
not
in
(6#early
()*3$failure
(&*6)&
the
!#second
2"&installation.
#(**(&0
/&
**
)reduce
"62the
!&immediate
"&(effect
$$2 of$$failure,
(&*6)+but
-6 will
/&** 2cause
!help
*4)reduce
"62$flow
*/ of$escaping
#2(4&'$fluid
*6&"$following
**/&')rupture
646)
potential
(and
")reduce
"62the
!4
&(*of$#secondary
2"()3effects.
$$2#0cFor)$further
6)!) <
CLEAN
Y™DšYLINESS
›š™==
5 N
B40.5.
details,
ASME
"
(&*#+#seeWI
def]
g0h0
General
:Oo?
G?SBC
5.1
Service
94.3.8
:;:i=Specific
>?@AjA@=?
SkA@?NConditions.
FGQAEAFGH:ISpecific
42&$&2(applica44*&2(5 <
This##
section
provides
reference
\!&
2&4)
,&"##standardized
("()"&.")
$)2$for)
tions
pressure
gauges
where
hazards
&#$for)4)
##6)'(
6'#exist
L&# /!
)!(
.()"#(are) 'gauge
users
in
specifying
cleanliness
requirements
(
6
'
6
#
)
#&
#
4
2
&
$
3
&
'2
*
(
*
&
#
#)
8
6&
)#(and
"
many
design,
Jknown.
/0TIn(
3&instances,
#(2#+)requirements
86&)#$for)"
#&'+2con5 'guidance
to
manufacturers
in
meeting
these
require6&
"(
2
(
6$
(
2
6)
)
#&
&
'
!
#
)
8
6&
)
5
#struction,
)62&+(and
"6use#of$'gauges
(6'#$for)these
!#(applications
44*&2(&#(are) ments.
#
0
by
Underwriters
#specified
42&$&"3#state
(or)$federal
")(*(agencies
'2&#or)K
")/)&)# TIf$'gauge
is#&
important
(6'2cleanliness
*(*&##&
4)( $for)the
!(application,
44*&2(&+
Laboratories,
l(
-)()&#+TInc.
20ISome
of$these
!##specific
42&$&2#service
),&2'gauges
(6'# #such
equipment
involving
food
as
for
use
on
processing,
6
2
!(
#$
)6#
8
6
&
4
&
,
*
,
&
'$
"4)
2##&'+
paras.
4.3.8.4.
The*
list
not
(are)*listed
&#"&in4(
)(#04.3.8.1
]0U0m0Vthrough
!)6'!]
0U0m0]0\!
&#&is#
*life
support,
or
oxidizing
fluids,
the
user
should
specify
&
$
#
64
4
)
+
)
L
&
"&
.
&
'$
*
6&
"#
+
!
6#
)#
!
6*
"#
42&$3
user
&intended
""to&include
2*6"(all**types,
34#+(and
"the
!6#
)#should
!6*"(always
*/(3# the
appropriate
level
of
cleanliness
listed
in
Table
2.0
!
(
4
4
)
4)
&
(
*
,
*
$2
*
(
*
&
#
#*
&
#
"&
\
(
*
^
details.
(advise
",&#the
!#supplier
644*&)of$(all**(application
44*&2(&"
(&*#0
requirements
intended
TIf$the
!2cleanliness
*(*&##)
86&)#of$the
!&
""(appli44*&5
Acetylene
Gauge.
A gauge
designed
indinot
in
2,+the
user
should
so
(&(are)
2covered
,)"&
\Table
(-*^
!6#
)#
!6*"#
94.3.8.1
:;:i:OD
@?EnC?G?oB
[p?:W'
(6'"
#&'"to&
"&5 2cation
pressure
manufacturer.
",&#the
!(
6$(26))0
2cate
((acetylene
23*4)
##6)q(and
("other
!)'gases
(##!having
(,&'#similar
&&*() (advise
I
^20g
œžŸ¡¢£¤ ¥¦§§¨¥©Ÿ¥¤£ª¥«¬ª¡­®¯¥°­¡ª¤Ÿ¥±¥²ª­£®¯¡­®³¥́¯¢¡¯ªªµ¶
· ªž¸¹­¤¡¯¥¬®Ÿ¥©ª¥¬®¸ª¥±¥¤£¡µ¥¬®¤ª¡®³¥º¡¤£¹¤¥º¡¤¤ª¯¥­¯µª¯¤¥±¥«°²´¶
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
Table
2 !
"#"$$%Levels
&$
Cleanliness
1''()*+',4Size
-.,*and
/012
*/3-34
Allowable
Quantity
6Particles
*53-6',7
8Fibers
-+,57
Maximum
*
9-:2:
Hydrocarbon,
Maximum
Maximum
Cleanliness
',*/'-/,77
*
9-:2:
*
9-:2: ;4
05(6*5+(/<
Level
General
Size
,=,' 0,
/,5*'Cleanliness
',*/'-/,777Requirements
,>2-5,:,/37
4.,
12
*/3-34
4Size
-.,
12
*/3-34
?PPm
?:
Quantity
Quantity
Applicable
All
@[Note
9(3,(1)]
A
1??'-6*+',3to(1
''Levels
,=,'7
(Micrometers)
-65(:,3,57 @[Note
9(3,(2)]
A (Micrometers)
-65(:,3,57 @[Note
9(3,(2)]
A @[Note
9(3,(3)]
BA
CI
DE
FGHIJcleanliness
IKHLIMLKNNHattained
OOHMLKP
DEI
MGMO
DEI
MGMO
DEI
MGMO
DEI
MGMO
DEI
MGMO
No limit
No limit
No limit
No limit
Normal
No limit
Othrough
QFERSQQhigh
MSQNstandard
OHLPHFPNshop
QET
Tpractices
FHJOMJKN
CU
VH
RSKNshall
QHIIWbeKXfree
FKKEofXYvisually
MNRHIIZ
[Less
KNNOthan
QHL\1 ]00] DEI
MGMO [Less
KNNO
QHL^700
]] DEI
MGMO
No limit
than
No limit
Gauge
_[Note
DEOK`(4)]
abc`(unaided
RLHMPKPKeye)
ZKbPdetectKOKJOd
\100/500
]]ef]]
g25f
^700/1000
]]e\]]]
\10]
f50]
Hable
WIKGE
MNORFKHand
LPXforeign
EFKMSLGH
Od
hY
KFf500
]]
]0
hY
KF\1000
]]]
]0
Over
Over
moisture
matOterKF`(chips,
JQMTNiNslivers,
IMYKFNijK
IPNslag
IHSEorF
weld
Nsplatter,
TIHOOKFiNshop
QETNsoil,
EMIiSgreases,
FKHNKNi
Eoils,
MINiEorFEother
OQKFJcontaminants)
ELOHGMLHLONb
mechanically
Othat
QHOJcould
ERIPWbeKGK
JQHLMJHIIZPdetKOd
Frimental
MGKLOHIOtoETproper
FETKFXfunction
RLJOMELEofX
Sgauge
HRSK
NOTES:
Dhk
lmn
`(1)\b[Levels
KYKINCIICHand
LPCIIICCQhave
HYKWbeen
KKLPdiscontinued.
MNJELOMLRKPo
Quantity
`(2)gbpR
HLOMOZq= Lnumber
RGWKFWbyZJcount
ERLOTperKFNsolvent
EIYKLOXflush.
IRNQo
wetted
`(3)rbsPpm
TGTperKFNsolvent
EIYKLOXflush
IRNQ`(approximately
HTTFEtMGHOKIZOtheQKYvolume
EIRGKJcontained
ELOHMLKPWbyZOthe
QKjK
OOKPNsurface).
RFXHJKbo
`(4)ablExcluding
tJIRPMLSTparticle,
HFOMJIKiXfiber,
MWKFiHand
LPQhydrocarbon
ZPFEJHFWELPdetection
KOKJOMELTprocedures.
FEJKPRFKNo
GAUGE
TESTING
­6 ¨PRESSURE
®¯°°±®¯²³
±²¯
¯°—´²
Cleanliness
determined
by
wx
yz{x|{y}}|is}~y
y€|{y~‚
ƒthe
„y}size
|yzand
{~†quantity
‡z{|ƒ ­
#š#›"°Standards
š"¶¶$
Calibration
maximum
permissible
ˆof‰z
Š|‡‹y
€|}}|‚xy}solid
ˆx|~Œcontaminants
ˆ{z|{z{}ˆon{y
y~ 6.1vµ!
wetted
u5.2v !Cleanliness
"#"$$%Levels
&$
by
}surfaces
‡€‰zŒy}ˆor€‚
ƒthe
„y†quantity
‡z{|ƒˆof‰Œcontaminant
ˆ{z|{z{Ž(hydrocar„ƒ~€ˆŒz€ ­
Discussion
vµvµ²
"·#
$™¸$$#›"
6.1.1
General
‚ˆ{}~|}Œy€{|‚xy|{„y‰x‡|~}‡}y~ˆ‰x‡}„ˆ€Œxyz{
have
nominal
not
z{~z€~}}shall
„zxx„
z“y{
ˆ|{zxyerrors
€€ˆ€}{
ˆ
­6.1.1.1
vµvµvµ ¬¹Standards
}‡Œ„}‡€‰zŒy}‘ˆ€‚ƒ‚ˆ„’wˆˆ{Œxyz{x|{y}}xy“yx} greater
than
7/4
of
those
permitted
for
the
gauge
being
ˆ
‰
„
ˆ
}
y‹y
€
|


y
~‰
ˆ
€
„
y
z
‡
y‚
y
|
{
€
y
z

y
€
„
z
{
º
defined
zare€y~y
‰|{y~|in{”Table
z‚xy•2.’
tested.
y}y~’»
ˆ€y
Šz‹xy‘„
y{testing
y}|{ z•
¤¤‹}
z~y¬1A¼
For
example,
when
a 200
psi|«€
Grade
u5.3v–—Inspection
"$˜™š#›"œfor›!Cleanliness
"#"$$
the
must„
have
errors
not
more
Ž(1%)
¬½¬gauge,
z‡ y‘
„y}standard
z{~z€~‡}
z“yy
€€ˆ€}{
ˆˆ
€y
than
*1/4
of
1%,
or
0.5
psi.
The
range
of
the
standard
must
ˆ
‰
¬
½‘
ˆ
€¤
’
¾‹}
|
’
”„
y€
z
{
yˆ
‰

„
y}

z
{
~z
€
~‡}


„
z
{
º
Hydrocarbon
may
bey~y
determined
by
žƒ
~€ˆŒz€‚ˆ{Œconcentration
ˆ{Œy{€z|ˆ{z
ƒ‚
y€|{y~‚
ƒ be‚y{
not
less
than
that
of
the
gauge
under
test
but
may
ˆ
x
y
}
}
„
z
{
„
z
ˆ
‰
„
y
z
‡
y‡{
~y
€
y
}
‚
‡z
ƒ
methods
black
y
„ˆ~}}such
‡Œ„zas}|infrared
{‰€z€y~}spectrophotometry
‹yŒ€ˆ‹„ˆˆy€ƒˆor€‚
xzŒŸ be‚y„
higher,
long
as}
the
do not
exceed
psi.|
|„y€‘zas}x
ˆ{ z
„yyerrors
€€ˆ€}~ˆ{
ˆy
ŠŒyy~¤0.5’¾‹}
’A¼
of the
wave
xlight
|„Ž(ultraviolet)
‡x€z“|ˆxy€radiation
z~|z|ˆ{ˆ‰
„yxlong
ˆ{ z
“ytype
ƒ‹y •200¤¤‹}
psi
Grade
3A
gauge,
with
errors
of
0.25%
of
200
|«€
z
~y¢
¼
z
‡
y
‘|

„y
€
€
ˆ
€
}ˆ
‰¤
’
•
¾
½
ˆ
‰•
¤¤
3 600
units
nm)],
where
¡[approximately
z‹‹€ˆŠ|zyxƒ¢£
¤¤zangstrom
{ }€ˆ ‡{
|}Ž(360
¢£¤{
¥‘„
y€y Ž(0.5
500
psi
Grade
4A
gauge,
with
errors
of‰
¤
’
¾‹}
|

‘ˆ
€z¾
¤
¤‹
}
|«€
z
~yº
¼
z
‡
y
‘|

„y
€
€
ˆ
€
}ˆ
psi),
or
a
used
pressure
the
„y}solvent
ˆx“y{‡}
y~toˆ‰flush
x‡}„the
„y‹€
y}}‡€yyelement
xyy{zassembly
}}y‚xƒ ¤0.1%
with
of
500
(0.5
psi)
or
a
1,000
psi
digital
gauge
’
¬
½
ˆ
‰¾
¤
¤Ž
¤
’
¾‹}
|
ˆ
€z¬
‘
¤
¤
¤‹
}
|~|
|

z
x
z
‡
y|

„
|is}yevaluated.
“zx‡zy~’
errors
of
0.05%
of
1,000
(0.5
psi)
may
be
used.
y
€
€
ˆ
€
}ˆ
‰¤
’
¤
¾
½ˆ
‰¬
‘
¤
¤
¤Ž
¤
’
¾‹
}
|
z
ƒ‚
y‡}
y
~’
When
black
¦„
y{‚
xzŒŸxlight
|„€radiation
z~|z|ˆ{y
„ˆ~}zare€yyemployed,
‹xˆƒy~‘ ¹Standards
methods
pressure,
weight,
density,
and
linear
z{~z€~}‰forˆ€‹€
y}}‡€y‘y
|„‘~y
{}|ƒ‘z
{~x
|{yz€
manufacturer
used
the
„yz
{‡‰zŒ‡€y€}should
„ˆ‡x~zascertain
}Œy€z|{that
„zthe
„y}solvent
ˆx“y{‡}
y~ ~|
dimensions
used
in
manufacturing
and
calibrating
the
y
{
}
|
ˆ
{
}‡}
y
~|
{z
{
‡‰
z
Œ

‡€
|
{
z
{
~Œ
z
x
|
‚
€
z

|
{
„y
will
dissolve
bey‹€
present
|
xx~|
}}ˆx“yzallxxhydrocarbons
„ƒ~€ˆŒz€‚ˆ{}that
„zŒcould
ˆ‡x~‚
y}y{zand
{~ test
instruments
shall
conform
to
equivalent
measuring
y}|{}€‡y{}}„zxxŒˆ{‰ˆ€ˆy†‡|“zxy{yz}‡€|{
that
„zzallxxhydrocarbons
„ƒ~€ˆŒz€‚ˆ{}zare€y~y
yŒz‚xyzand
{~‰fluoresce
x‡ˆ€y}Œy‡under
{~y€ }standards
detectable
have
been
NIST
z{~z€~}that
„z„
z“y‚
yy{Œcalibrated
zx|‚€zy~zat¿À
¹”zand
{~}shall
„zxx
black
‚xzŒŸxlight.
|„’
have
a documented
path
NIST.
Œ‡y{y~‹z
„toˆ¿À
¹”’
They~|
dimensions
particles
usually
”„
y{}|ˆ{}ˆof‰‹z
€|Œxy}zand
{~‰fibers
|‚y€}zare€y‡}
‡zxxƒ „z“yz~ˆ
determined
by
microscopic
paper
~y
y€|{y~‚
ƒ|
Œ€ˆ}Œˆ‹|Œyexamination
Šz|{z|ˆ{ˆof‰‰filter
|xy€‹z
‹y€
information
regarding
­6.1vµv.1µv.2 Complete
wˆ‹xyy|
{‰ˆ€z|ˆ{€
yz€~|{ manomez{ˆy
which
has
been
passed.
through
„€ˆ‡ „„
|Œ„the
„y‰flushing
x‡}„|{ }solvent
ˆx“y{„
z}‚
yy{‹z
}}y~’ ters
in
ASME
PTC
piston
contained
y€}zand
{~‹|
}ˆ{gages
z y}|is}Œ
ˆ{z|{y~|
{¼¹
ÁÂÃ
”w¬19.2.
Ē•’
To
compute
their
errors,
geographical
location
and
ele”
ˆŒ
ˆ
‹
‡
y
„
y
|
€y
€
€
ˆ
€
}
‘
y
ˆ
€
z
‹
„
|
Œ
z
xx
ˆ
Œ
z

|
ˆ
{z
{
~y
xy
u5.4v§¨Packaging
™©ª#"ª
vation
must‚y~y
be determined
and
gravity
corrections
“
z

|
ˆ{‡}

y
€
|
{y
~z
{~
€
z
“|

ƒŒ
ˆ
€
€
y
Œ

|
ˆ
{}
Gauges
packaged
in
a manner
«z
‡ y}}shall
„zxxbe
‚y‹z
ŒŸzy~|
{}such
‡Œ„zz
{{y€that
„z}speci‹yŒ| zapplied,
as}ˆ
outlined
in
NIST
manometery
and
piston
‹
‹
x
|
y
~‘z
‡
x
|
{
y
~|
{¿À
¹
”z
{
ˆ
y

y
€
ƒz
{
~‹|
}

ˆ
{
maintained.
‰fied
|y~Œcleanliness
xyz{x|{y}}€requirements
y†‡|€yy{}zare€yz
|{z|{y~’
gage
monographs.
z
yˆ
{
ˆ
€
z
‹„
}
’
They‡}
user
proper
precautions
”„
y€}shall
„zxxtake
zŸy‹
€ˆ‹y€‹€
yŒz‡|ˆ{}}soˆthat
„zŒcleanlixyz{x|
pressure
mainused
bey
tested
ness
Gauges
­6.1.1.3
vµvµv– «z
‡ y}‡}
y~zas}}standards
z{~z€~}}shall
„zxx‚
y}y~
{
y}}xlevels
y“yx}‰forˆ€}socket
ˆŒŸyzand
{~‹€
y}}‡€yyelement
xyy{zare€yz
|{
frequency
of‰}
such
ŒŒ‡€zŒƒ€regularly.
y‡xz€xƒ’The
”„y‰
€y†‡y{Œƒˆ
‡Œ„testing
y}|{ will
|xx
tained
z|{y~zafter
‰y€the
„ygauge
z‡ y|is}€removed
yˆ“y~‰from
€ˆ its
|}‹package
zŒŸz y‰forˆ€ ‰forˆ€zaccuracy
depend
demonstrated
ability
toˆ€
retain
~y
‹y{~ˆon{their
„y|€~y
ˆ{}€zy~z
‚|x|ƒ
yz|{zaccuracy
ŒŒ‡€zŒƒ
|installation.
{}zxxz|ˆ{’
bons) discernible in the fluids used to flush or clean
such surfaces, or by both. Common cleanliness levels
•21¬
ÅÆÇÈÉÊËÌÍ ÎÏÐÐÑÎÒÈÎÍÌÓÎÔÕÓÉÊÖ×ØÎÙÆÖÊÓÍÈÎÆÚÎÛÓÖÌ×ØÊÖ×ÜÎÝØËÊØÓÓÉÞß
àÆÉÓÇÉÆáâÖÍÊÆØÎÕ×ÈÎÒÓÎÕ×áÓÎÆÚÎÍÌÊÞÎÕ×ÍÓÉÊ×ÜÎãÊÍÌÆâÍÎãÉÊÍÍÓØÎÖÆØÞÓØÍÎÆÚÎÔÙÛÝß
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
after
a period
!"#"oftime
!$and
%#after
#&'
()*
R(b)WT}ƒ
SYz{€„%
"B%pressure
''&'shall
*+++!#at
repeated
use.
The#
date
Allƒxy
Grades.
Known
be
applied
"ofthe
*+last
'test
'$
,%
"
#"
%
*
"
%
"
*
.
&.
(
4
*
'
"
!
%
"
%!
%
4
'
!
%
.
'
'
&
U
"
8
4
&&$V
C
may be noted on the front of the gauge.
each test point on increasing pressure (or vacuum).(At
each
under
read,
4*test
'point
"!%the
*.gauge
&.&%
#test
''shall
*++be-
#Alightly
+!.*+,
/6.1.1.4
010102 3!
'"%.gages
.'"or"other
*'standards
%##'that
*4con"%5 Piston
again.
The#!
difference
#A
%
#
*
%
#
.
!
%
(
)*
%
4
"
*
#5
tapped,
and
then
read
ofthe
readtain
!%"oil!+"or"other
**hydrocarbon
,#"4-"%fluids
+&!#''shall
*++%
"# !ings
not
be&'
used
%.'!
'
!
4
!
"%
"
()*'
$'
@&
%4
'
*
+
is friction error. The same sequence shall+-
be
to"test
'"oxygen
6,.%.gauges
&.'"or"other
*.gauges
&.'4cleaned
+%#to"7
8+ repeated
Level
#"
%#
4
'
!
%
.
'
'
&
U
"
8
4
&&$V
(
)*
%
!
on
decreasing
pressure
(or
vacuum).
The
entire
4.3.3.2.
9IV.:(;See)Table
-+<
%#para.
(=
(>(>(<(
2 and
'set"of&
'4+and
%##"
B%'4+
#!%.''shall
*++
*%upscale
downscale
readings
then
be
#(
/6.1.1.5
01010? 9If+
!@&!#$
#!&$ !is'&
'#A4correction
"4!"%for" repeated.
a liquid
medium
used,
difference
head
between
the
*#!
%4!in%+liquid
!@&!#*
#B%the
*'standard
%##and
%#
Minimum
Recommended
!%!$&$ †
4"$$%##
the
*.gauge
&.!%.tested
'#$
,4'',Aespecially
' 4!++,!in%
being
may
be%
necessary,
C4
4&4,‡
# Number
ˆ&$-"of)Test
'3
"!%'‰[Note
ˆ"U(1)]
jVŠ
Accuracy
Grade
Points
the
*4case
'"of+low
"B pressure
''&.gauges.
&.'(
=C
j10f
4A
>CA<
CAj1A,CACA
‹5
3A,
2A,
medium
be&'
used
/6.1.1.6
01010/ AC+liquid
!@&!#$
#!&$'shall
*++%not"#to"test
'
AhAŒ
>3
B, C, D
.gauges
&.'B*
the
*B
!.*"of+liquid
!@&!#!in%the
*pressure
''&ele+5 ˆr)Ž
where
weight
$
%B!
++!introduce
%"#&4'significant
!.%!!4%errors.
"'()*!
4!is' UNOTE:
ment
will
This'
effect
(1)
jV)*
'points
"!%''
*++'!-&#"over
8the
*#!
+
%.
%#
The test
shall
be#!
distributed
dial
range
and
.greater
"on%+low
"B pressure
''&.gauges.
&.'(
within
'shall
*++!include
%4+&#points
"!%'B!
*!%j10%
f"
*
%#'"
*#!
+
%.(
of
the
ends
of
the
dial
range.
/6.1.1.7
01010D 9Ifan%air!piston
!'"%.gage
.!is'&'
#A%
!@&!#!
used,
no"+
liquid
is'
The
error
)*
"4can
%$!%#
"$ the
*#
"obtained
-!%#
be#
determined
from
data
permitted
between
$!#!in%the
*.gauge
&.&under
%#test,
'A"or!in%the
*+lines
!%'B% !in%
the
two
pressure
cycles
and
is'
equal
to"
the
maximum
*
B"
'
'
&
4
,
4
+
'
%
#!
@
&
+
*
$
6!$&$
the
*.gauge
&.and
%#the
*piston
!'"%.gage.
.(
direction,
error
"ateach
4*test
'point,
"!%Ain!%either
!*#!
4!"%Aafter
tapping.
!%.(
%expressed
6 ''#as'a percentage
4%."
%Athe
*
"'shall
*++
When
of'
span,
error
A wide
variety
/6.1.2
010EFRecommended
GHIJJGKLGLMStandards.
NOKLOPLQ0CB!
#8
!,"of *
not
exceed
the
limits
in
Table
1
for
the
applicable
grade
%
"
6
4
#
*
+
!
$!
'!
%)
+
j
"
*
+
!
4
+
.
#
mechanical
may
be&'
used
$
4*%!4+and
%#electronic
+4"%!4'standards
%##'$
,#to"test
'
"
4
4
&
4
,
(
of
accuracy.
.gauges.
&.'(;Some
"$"ofthese
*'are
R(a)STpiston
!'"%.gage
.U(hydraulic
*,#&+!4"orair)!V
/6.2.4.2
0E020EFRepeatability.
G`GONOv[c[Nw0†
-!+!,4can
%5
Repeatability
be#
determanometer
R(1))WT$
%"$
$!
%#from
"$ the
*#
"obtained
-!%#!
%para.
(k6.2.4.1.
(<(=(j(9
*
mined
data
in
It!
is'
the
R(C)XTtest
'.gauge
&.
difference
between
readings
tap#!
%4B%any
%,two
B"
#!%.'taken
o%after
5
R(d)YTpressure
''&transducer
%'#&4"ortransmitter
%'$!
ping,
from
the
!%.Aatthe
*'same
$pressure,
''&Aapproached
"4*#
"$ *'same
$
a standard
determined
by
;Selection
+4!"%"of'
%##!is'#
$!%#,the
*accuracy
44&4, #!
direction,
4!"%Aand
%#!
%the
*two
B"pressure
''&4
,4+'Aexpressed
6 ''#!
%
in
cycles,
in
and
%#pressure
''&range
%."ofthe
*.gauge
&.!%.tested,
'#A'suitability
&!-!+!, percentage
being
two
cycles
may
4%."of'span.
%(More
"than
*%
B"pressure
''&4
,4+'$
,
medium,
use,
"ofthe
*$
#!&$A4convenience
"%8%!%4"of&'
Aand
%#availability.
8!+-!+!,( be
desirable.
-#
'!-+(
friction
†
-!+!,#"
'%
"!
%4+&#*
,''!'"or
!4!"%
Repeatability
does
not
include
hysteresis
Verifi
Test
/6.20EZ
GP[\[Hcation
ON[IK]
GQN^Procedures
PIHGL_PGQ
error.
"(
The
following
when
)*
"++"B!%.procedures
"4#&'are'suggested
&..'#B*
%testing
'!%.
Hysteresis.
Hysteresis
be#
determined
/6.2.4.3
0E020t‘w
QNGPGQ[Q0q,
''!'4can
%$!%#
a pressure
''&.gauge
&.to"#
$!%!its'4compliance
"$ +!%4B!
*the
* from
determine
with
the
data
obtained
in
the
two
pressure
"
$
*
#
"
!
%
#!
%
*
B"
'
'
&
4
,
4+'(See
;
cycles.
defined
methods
accuracy
44&4,.grades
#'#
!%#!in%para.
(>3.4.(=(;Statistical
!'!4+$
*"#' para.
6.2.4.1.
It
is'
the
difference
at
each
test
point
between
(
k
(
<
(
=
(
j
(
9
!
*
#!
%
4
4
*
'
"
!
%
B
%
both,
may
be
used
when
"oralternate
+%test
'procedures,
"4#&'A"or"*A$
,&'
#B*
% !increasing
pressure
and
decreasing
pressure
readings
%
4
'
!
%
.
'
'
&
%
##
4
'
!
%
.
'
'
&
#!
%
.'
agreed
.#to",the
*'supplier
& +!and
%#the
*&'
(
by
user.
test
taken
o%after
tapping,
!%.Aatthe
*'same
$
'point,
"!%Aapproached
"4*#
from
both
"$"*!increasing
%4'!%.and
%##
4'!%.pressure
''&#!
4!"%'’
decreasing
directions;
Grades).
/6.2.1
0E01FReference
G\GPGKHG]Temperature
GJ`GPON_PGa(All
bccdP
OLGQe0ACtempera$ 5 in
a single
in
of
%'
!%.+pressure
''&4cycle,
,4+Aexpressed
6 ''#!
%percentage
4%."
20°C
: 1°C
1 2°F)
be !
ture
&"of<
fghij
ghU(approximately
"6!$+,k68°F
lgmi<
gmV'shall
*++A-1.
%(;SeemFig.
!.(C5
j(
the
*reference
%4'standard.
%##()Temperature—compensated
$ &54"$ %'# 'span.
The*
hysteresis
)*
,''!'8value
+&!
"B!
*pressure
''&excursion
64&'!"%
is'+
lower
if
the
be
tested
.gauges
&.''shall
*++'#at'several
8+ambient
$-!%temperatures
$ &' !is'+
fricless
Hysteresis
does
not
include
''than
*%full
&++'scale.
4+(q,
''!'#"
'%
"!
%4+&#
!45
within
B!*!%the
*4compensated
"$ %'#range.
%.(
tion
error.
!
"
%
"
(
/6.2.2
0E0EFReference
G\GPGKHGnBarometric
OPIJGNP[H^Pressure.
PGQQ_PG0AC barometric
-"$!4
Hg)V'
shall
''&j101.32
fj(><okPa
3U(29.92
<p(p<!in.%(q.
*++be
-the
*reference
%4 D
pressure
ORDERING
AND
”•F–—d^PARAMETERS
bFb˜•]•FMb
—”FRELATED
•™b]•”
'standard.
%##(r%+
,absolute
-'"+&pressure
''&.
&.'B!
*the
* 7 “F
Only
gauges
with
STANDARDS
M
]
b
—”b
F
”
M
pointer
will
be affected
by
"!%'setto"!indicate
%#!4j14.7
=(spsia
'!B!
++-
4#,
Order
barometric
D7.101“P
LGPuChecklist
šGH›c[QN
4changes
*%.'!in%"$!4pressure.
''&(;Seepara.
(>3.4.1.11.
(=(j(jj(
The
following
includes
to"4
consider
)*
"++"B!%.!
%4+&#''some
"$factors
4"'
"%'!#and
%#
/6.2.3
0E0tuCalibration
Oc[vPON[IKMStandards.
NOKLOPLQ0;Seepara.
(k6.1.(j(
to"
answer
when
ordering
@questions
&'!"%'
%'BB*
%"
#!%.pressure
''&.gauges.
&.'(
/6.2.4
0E02^Procedures
PIHGL_PGQ
Assistance
NotNF
Required.
user
does
not
D7.1.1
0101b
QQ[QNOKHG—I
Gœ_[PGL09Ifthe*&'
#"
'%
"
Accuracy
/6.2.4.1
0E0201b
HH_POHw
with
recommendation
require
@&!assistance
''!'%4B!
*'selection
+4!"%and
%#
4"$$%#!"%
8!4!involved,
%8"+8#A'specify
4!,
Grades
and
Before
R(11)STxy
SYz{|3A}S
~Y4A.}€
"4conducting
"%#&4!%.the
*accuracy
44&4, for"'service
number,
and
conmaxitest,
'A'subject
&-‚4the
*.gauge
&.to"a pressure
''&equal
@&+to"the
*$
6!5 R(a)ST'supplier’s
& +!'4catalog
+".%
&$-A'size,
!žArange,
%.A
%#4
"%5
location
and
mum indicated
4!"%+
"4!"%
%#'size
!ž
Conduct
$&$!
%#!4#pressure
''&U(or"8vacuum).
4&&$V(h"
%#&4the
*accu44&5 %nection
variations
both,
within
minutes.
racy
4,test
'B!
*!%j10f$!
%&'(
R(I9)WT8
!!"%'"oraccessories,
44''"!'A"or"*A!ifrequired
@&!#
[
<22<
Ÿ ¡¢£¤¥¦§ ¨©ªª«¨¬¢¨§¦­¨®¯­£¤°±²³̈ °¤­§¢¨´µ̈­°¦±²¤°±¶¨·²¥¤²­­£¸¹
º £­¡£»¼°§¤²¨¯±¢¨¬­¨¯±»­¨´¨§¦¤̧¨¯±§­£¤±¶¨½¤§¦¼§¨½£¤§§­²°̈²¸­²§¨´¨®³µ·¹
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
~†w‚yc
Moderate
!"#$%"&'
'('%$)*"+"
,-(#"!.If/0the
1234
25 NOTES:
Assistance
Required.
user
7.1.2
Conversion
E(1)NFx9
<]25479</factors
;=0954;are522expressed
‹?52442:;
25[
20b22<N1.0G;and
<:
as4;<38[
a number
between
5requires
263752489
:2
5
;
0
2;
4
4
7
4
0
;
<
=
2
>4
?2
=
7
/
@
moderate assistance, specify
with
decimal
places.
This
number
N10.0
Gb7
01/five
7]2:2
=78;R?
R;=24Gw1
74<
38[257
9RR9b2:[
12
is4/
followed
by@0
the
A(cl)BC5range
;<D2E(specify
4?2=7/@3units
<7049of/82
;4352FE(see
422?;
5;G3.2)
HGIF
measure)
para.
letter
E (for
exponent),
a plus
or587
minus
symbol,
and
R
2
0
0
2
5‚E
/
9
52
‹
?9
<2
<
0
F
>
;?
R
349
<344
@
8[
9
R
>
;
<
:0
b9:7
D
704
two
digits
A(19)JC;accuracy
==35;=@E(see
422?;
5;GH3.4)
GKF
para.
the
power
of/N
10[
by@b1
which
7
<
:7
=
;
0
7
<D0
1
2?
9
b2
59
7
=
10
12<
38[
2
5834
indicating
the
number
must0[
be2
A(C)LC4size
7M2E(para.
?;5;GH3.1GN;and
<:OFig.
7DGP6)F
multiplied
or5
83R07?R72:0
9552=0R@?
R;=20
12:2
=78;R?
97<0Gw12?
R349
to9=
correctly
place
the
decimal
point.
The plus
A(d)QC8;
0257;R
material
minus
indicates
87<347
<:7=;0240the
12:7
52=079<0
12:2
=78;Rmust
8340be
[289
]2:cplus
?R34
direction
the
decimal
moved:
method
pressure-containing
A(e)SC82
019:9of/joining
T97<7<D0the
12?
5244352U=9<0;7<7<D=compo98?9U 0901257D10>87<3409012R2/0G
EXAMPLES:c
‚|Œz„‚y
nents
<
2<04
(a) 2.54000 E—02 means 2.54000 X N
1072
 and
;<:2equals
63;R4
GIXK
0.025400
A(f)VC=connection
9<<2=079<0type,
@?2>Rlocation,
9=;079<>;and
<:4size
7M2
E+05X82
means
E(b)[FN1.01325
GNHIX‚ƒ
;<4N1.01325
GNHIXX N105X;and
<:2
63;R4N101,325
N>HIX
equals
mounting
A(g)WC89
3<07<DE(stem,
4028>4surface,
35/;=2>9or5/flush)
R341FE(see
422OFigs.
7D4GX5 EIFw12[
The bar
;57
3047:20the
12y
@4028 that
01;07is4<2
]25012R244
is4;3<7
a unit09
outside
SI.4
system
nevertheless
;and
<:P6)F
Ž
5
2
=
9
D
<
7
M
2
:[
@0
1
2x9
87
0
0
2
.
<
0
2
5
<;
0
7
9
<
;
R
:2
4„
9
7
:42
z2;43524
recognized
by
the
Comitté
International
des
Poids
et0Measures
A(h)YC4supplier’s
3??R725Z4=catalog
;0;R9D<number
38[25
E
x.
„zF
G
(CIPM).
A(1)\C]Variations
;57;079<49or5;accessories,
==24495724>9or5[
901
both
^ _"
%$(`"!&'
'('%$)*"+"
,-(#"!.If/0the
1234
25 ^+
Detailed
Assistance
Required.
user
7.1.3
Related
"$̀%"!tStandards
%$)!$#!'
detailed
5requires
2637524:2
0;7R2:;assistance,
44740;<=2>4specify
?2=7/@7items
0284Rlisted
7402:7in<?para.
;5;G 7.3†0
1254standards
0;<:;5:4;and
<:4specifications
?2=7/7=;079<45
2R;07<D0to9?5
24U
Other
relating
presplus
a7.1.2
GNGI?R
340the
12;applicable
??R7=;[R2?9
5079<49of/0the
12/following:
9RR9b7<Dc
portions
requirements
4
3
5
2D
;
3
D
2
4;
<
:0
1
2
7
5?2
5
/
9
5
8;
<
=
25
2
6
37
5
2
82
<
0
4/
9
R
R
9
bG
sure
gauges
and
their
performance
follow.
A(at)BC82
:738>name
<;82;and
<:4state
0;02E(gas
D;49or5Rliquid),
7637:F>=concentra9<=2<05;U w122
medium,
The
edition
bearing
the
latest
date
of
issuance
shall
:7
0
7
9
<[
2
;
5
7
<D0
12R
;
0
2
4
0:;
0
29
/7
4
4
3;
<=
24
1;
RR
0tion,
79<>0temperature
28?25;0352
be
[
234
2
:G
used.
material
A(b)JC8;
0257;R9of/?5
9=2442equipment
637?82<0
process
A(C)LC?5
244352?3R
4;079<5range
;<D2;and
<:/frequency
52632<=@
pressure
pulsation
ANSI.I
Z26.1,
Code
Glazing
Materials
GlazPGN>ySafety
;/20@x9
:2/for95R
;M7<Dz;
0257;R4/for95R
;MU
A(d)QC4sudden
3::2<?pressure
52443527increase
<=52;429or5:2
=52;42E(spike
4?7d29or5 Œ~y
decrease
ing
Motor
Vehicles
Operating
on
Land
Highways
7
<
Dz9
0
9
5‘2
1
7
=
R
2
4†?2
5
;
0
7
<
D9
<;
<
:
7
D
1
b;
@
4
4surge)
35D2F
Publisher:
American
National
Standards
„3[R
74125cŒ82
57=;<~;
079<;Ry
0;<:;5:4.Institute
<4070302
materials
A(6)SC=case
;42;and
<:5ring
7<D8;
0257;R4
E
Œ~y
.
F
>
I
4
0K
H
5
:y
0
5
2
2
0
>
~2
b“9
5
d
>
~“N
HP
(ANSI),
25X’2
West
43rd
Street,
New
York,
NY
10036
window
A(f)VCb7
<:9b8;
0257;R
material
A(g)WC2environmental
<]759<82<0;R=conditions
9<:7079<44such
3=1;as4
ASME
B1.20.1,
Pipe
Threads,
General
Purpose
Œy
z‚”N
GIGN>„7
?2w1
52;:4>2
<25;R„3
5?942E(Inch)
.<=1F
) vibration
A(1eC]
7[5;079</frequency
52632<=@;and
<:;amplitude
8?R703:2
(Except
E
‚‹
=
2
?0•5
@
4
2
;
R
F
Dryseal)
A(2)fC0temperature
28?25;0352
Œy
z‚”N
GIGH>•5
@42;R„7
?2w1
52;:4
ASME
B1.20.3,
Dryseal
Pipe
Threads
A(3)gC7indoor
<:995;and
<:9outdoor
30:99534
use2
ASME
PTC 19.2,
Performance
Test
Code,
Œy
z‚„wxN
ˆ
G
I
>
„
2
5
/
9
5
8;
<
=
2w
2
40x9
:2>Pressure
„5244352z2
;U
MeaA(4)hC=corrosive
955947]2;atmosphere
0894?1252
4
3
5
2
82
<
0
surement
A(5)iC:dust
340
Publisher:
The2Œ82
American
Mechanical
Engi„3[
R74125cw1
57=;<y
9=720@9of/z2
=1;<7=;R‚<
D7U
Society
weather
resistance
A(6)jCb2
;01255
24740;<=2
Three
Park
Avenue,
New
<
2
2
5
4E
Œy
z‚F
>w1
5
2
2„;
5
dŒ]
2
<
32
>~2
b
“9
5
d
>~“
neers
(ASME),
York,
NY
A(7)kC1
387:70@
humidity
Order
Department:
22
Law
Drive,
P.O.
Box
N10016;
NP–†5
:25•2
?;5082<0cI
I;
b •5
7]2>„
G†G”9
‹
mechanical
A(8)lC82
=1;<7=;R4shock
19=d
Fairfield,
NJ 07007-2300
I
H


>
O
;
7
5
/
7
2
R
:>~—
a


a
U
I
H


2300,
Units
Units)
7.2mConversion
)n"#'()oFactors
$*%#'p(Customary
m-'%q$#rs)
(%'%to tSIus)
(%'v
CGA E—4,
Gas4„5
Pressure
Regulators
K>yStandard
0;<:;5:/for95;
244352˜2
D3R;0954
The2x3
Customary
measuring
units
listed
below
with
w1
4098;5@82
;4357<D3<
704;are52R
7402:[
2R9bb7
01 xŒ‚U
0their
1275=corresponding
95524?9<:7<DySI.3<7
04;and
<:=conversion
9<]25479</
;=0954G „3[
units
factors.
Publisher:
4221
Compressed
Gas4Œ4
Association
R74125cx9
8?52442:;
49=7;079<E(CGA),
xŒF>K
IIN
Multiplying
Customary
units
by
z3R
07?R@7<D0the
12x34
098;5@3<
704[
@0the
12=conversion
9<]25479</fac;=U Walney
Rd.,>Chantilly,
’;R<2@˜:G
x1;<07RR@>VA
‘ŒI20151-2923
NXNUIˆIH
will
yield
value
in
units.
0tor95b7
RR@
72R:0the
12=correct
9552=0]
;R327
<ySI.3<
704G
EN 837.1,
Pressure
Gauges
Part
Bourbon
Tube
Pres‚~‰
HaGN>„5
244352;
3D24„;
50N1:c”9
35[9<w
3[2„5
24U
Customary
Conversion
x34
098;5@
x9
<]25479<OFactor
;=095
—
sure
Gauge
Dimensions,
Metrology,
Requirements,
4
3
5
2;
3D
2™
•7
82
<
4
7
9
<
4
>
z2
0
5
9
R
9
D
@
>
˜2
6
37
5
2
82
<
04>
Unit
x
Unit7
{<70|
}[Note
~902E(1)]
NF
€= s1y.{<
0
and
Testing
;
<
:w
2
4
0
7
<
D
E+05X
Pa (pascal)
;atmosphere
0894?1252E(standard)
40;<:;5:FN1.01325
GNHIX‚ƒ
„;E
?;4=;RF
Publisher:
European
Committee
Standardization
„3[
R74125c‚35
9?2;<x9
8870022/for95y
0;<:;5:7M;079<
bar
E+05X
Pa
[;5}[Note
~902E(2)]
IF
N1.00000
G‚ƒ
„;
}[Comité
x98702Ž‚35
9?2Ž2<:2~9
58;R74;079<E(CEN)],
x‚~F>5
32:2
Européen
de Normalisation
rue
de
in. (inch)
2.54000 E—02
In (meter)
ft (foot)
3.04800 E—01
In
Strassart
36,
B—1050
Brussels,
Belgium.
The2‚<
English
y
0
5
;
4
4
;
5
0H
P
>”U
N

X
”5
34
4
2
R
4
>”2
R
D
7
38Gw1
D
R
7
41
in.
(4°C)
2.49081
E+02I
Pa
7
<GH2O
K‡xF
IGKˆ‰N‚ƒ
„;
I†E
language
version
is4?3
published
by
British
Standards
R
;
<
D
3;
D
2]
2
5
4
7
9
<7
[
R
7
4
1
2
:[
@”5
7
0
7
4
1y
0
;
<
:;
5
:4
in.
(20°C)
E+02I
Pa
I‡xF
IGK‰PK‚ƒ
„;
7
<GH2O
2.48640
I†E
Chiswick
Road,
London
.Institute
<4070302E(BSI),
”y.F>H389‰ˆx17
4b7=dHigh
7D1˜9
;:>9
<:9<
in.
(60°F)
E+02I
Pa
7
<GH2O
P‡OF
IGK‰‰X‚ƒ
„;
2.48850
I†E
4AL.
W4
’KK
ŒG
(20°C)
E+03H
Pa
I‡xF
I2.98370
Gˆ‰Ha‚ƒ
„;
/ft0H20
I†E
m2IE
(square
7in.2
<GI(square inches) 6.45160 E—04
463;52
RP2.1,
Manometer
.ISA
yŒ˜„I
GN>z;
<982025wTables
;[R24
meters)
82
0254F
I
I
9.29030 E—02
m2
Publisher:
Instrument
of/America
Alex„3[
R74125c.
<405382<0Society
y9=720@9
Œ8257=;E(ISA),
.yŒF>P67aŒR
2‹U
/ftz0(square feet)
psi
per
E+03H
Pa
?
47E(pound
?93<:/force
95=2?
25 P6.89476
G‰ˆKaP‚ƒ
„;
Drive,
Research
Triangle
Park,
NC
27709
ander
;
<
:2
5•5
7
]
2
>
˜2
4
2
;
5
=
1w
5
7
;
<
D
R
2„;
5
d
>
~xI
a
a

ˆ
square inch)
6.89476 E—02
bar [Note (2)]
per
E+02I
Pa
9oz/in.2
MŠ7<GIE(ounce
93<=2?
25 4.30922
KGHˆII‚ƒ
„;
Used
In
Welding,
Cutting
.ISO
y† X5171,
NaN>„5
244352;
3D24{4
2:.
<’2
R:7<D>x30
07<D
Pressure
Gauges
4square
63;527inch)
<=1F
and
Related
Processes
;
<
:˜2
R
;
0
2
:„5
9
=
2
4
4
2
4
E+03H
Pa
7in.<GHgDE(mercury)
825=35@FE(0°C)
‡xFH3.38638
GH‰PH‰‚ƒ
„;
Publisher:
International
Organization
for
Standardiza„3[
R74125c.
<025<;079<;R†5
D;<7M;079</
95y
0;<:;5:7M;U
micron
1.00000 E—06
111
Ž
tion
(ISO),
1
rue
de
Varembé,
Case
Postale
56,
0
7
9
<E
.
y
†F
>
N5
32:2‘;
5
2
8[
2
>
x;
4
2„
9
4
0
;
R
2X
P>CH—1121,
x UNNIN>
°F (degree Fahrenheit) (°F—32)/ 1.8
°C (degree
Celsius)
Geneve
x2
R4734F
2
<2š]2I20,>Switzerland/Suisse
yb70M25R;<:Šy37442
to the right, minus to the left.
I
I23H
›œžŸ¡¢£ ¤¥¦¦§¤̈ž¤£¢©¤ª«©Ÿ¬­®¤̄œ¬©£ž¤œ°¤±©¬¢­®¬­²¤³®¡®©©Ÿ´µ
¶œŸ©Ÿœ·¸¬£œ®¤«­ž¤̈©¤«­·©¤œ°¤£¢´¤«­£©Ÿ­²¤¹£¢œ¸£¤¹Ÿ££©®¤¬œ®´©®£¤œ°¤ª¯±³µ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
FED-STD-H28,
!"#$Screw—Thread
%&'()&'*+Standards
,*-+*&+./for0&Federal
'+'&*1Ser'& PI40
-0<&*L)P0
C$S'
+>%,30-L
,*/
0&=3
.,0NBS Monograph
No.O8
65,
Reduction
pf/*
Data
for
Piston
2
3
%
'
.
7*
>
<
'=&
'
.
.
>&
'4'
*
.
>&
'
M'
,F
PI
'
%
)
3
%
*
1P0
,'
vices
Gauge Pressure Measurement (NBS Technical Note
0
-&
&
0
&H.
.
'
.
.
M'
,
G
on
Error
Assessment)
Gage,
Pressure,
Dial
Oxygen,
45
6789:;$7*
<'$=&
'..>&'$3
*15Indicating,
-+3%*,3-<$?@
A<'-$
MIL-G-6019,
Manual
SAE
HT
;98$Automotive
H>,0M0,32'Safety
*/',A71
*U3-<4*
->*1
I906,
Glazing
Low
60
(=Pressure
&'..>&'
=>J
1
3
.
)'
&
K
0
%
3
'
,
A0
/H>,
0
M0,
3
2'-<3
-'
'&.F(SAE),
HG$
Publisher:
Society
of
Automotive
Engineers
45
6789BC$7*
<'$=&
'..>&'$3
*15Indicating,
-+3%*,3-<$?@
A<'-$
MIL-G-6035,
Gage,
Pressure,
Dial
Oxygen,
E
9
9Q0
MM0
-('
*
1
,
)&
3
2
'
$R*
&
&
'
-+*
1
'
$=
H:
C9;8
400
Commonwealth
Drive,
Warrendale,
PA
15096High
Pressure
!3
<)=&
'..>&'
9
9
9
:
0001
Boiler
45
67:DE#;$7*
<'$F(Pressure)
=&'..>&'GF(Air)
H3&GI0
31'&
MIL—G-17489,
Gage,
N6"
;;$Fire
3&'@
,3-<>3.)'&.$&
AQ)
'M3%*1
UL 299,
Extinguishers,
Dry
Chemical
MIL-G-18997,
Gage,
Pressure,
Dial
45
67:#;;D$7*
<'$=&
'..>&'$3
*15Indicating
-+3%*,3-<
B156.1),
Indicating
Pressure
Gauges
N6B
;
BF
HP
5I:
C
8
O
:
G
$5
+3
%
*
,
3
<=
&'..>&'7*
><'./
0&
UL 393
(ANSI
for
=>J
13.)'&KFederal
'+'&*1.specifications
L'%3/3%*,30-.*available
2*31*J1'/from:
&0MKSuper>L'& Fire
Publisher:
Protection
3
&
'=&
0
,
'
%
,
3
0
-
'
&
2
3
%
'
Service
Documents,
Government
Printing
3intendent
-,'-+'-,0of/0
%>M'-,.$NO
O70
2'&-M'-,=&
3-,3-< UL 404,
U.S.
9E$7*
><'.$5Indicating
-+3%*,3-<=&
'..>&'$/for0&Q0
ML&'..'+
Gauges,
Pressure,
Compressed
Office
?/
/3%'F(GPO),
7=?G$D732B"PO
L3,01Street,
,&'',$PR$
R*.)3-<,0-$ N6E
N. Q*
Capitol
NW, Washington,
7*
'
&
2
3
%
'
Gas.
Service
Q"
9E9:
DC 20401
UL 626,
Extinguishers,
N68
"8$Fire
3&'@
,3-<>3.)'&.$!*
10<'-*,'+H<
'-,
Halogenated
Agent
Publisher:
=>J1
3.)'&KN-+'
&(&3,'&.6*
J0&*,0&3'.$5Inc.
-%OF(UL),
N6G$
Underwriters
Laboratories,
PI40
-0<&*L)P0
4'&%>&A4*
-0M','&.
B333BB=/
3-<.,'-S0
*+$P0
&,)J&00V$5
6860062-2096
998""9;8
NBS Monograph
No.O#
8,$Mercury
Manometers
Pfingsten
Road,
Northbrook,
IL
C
"24E
WXYZ[\]^_ àbbcd̀Z`_^ef̀ge[\hijk̀Xh\e_ZX̀lm̀eh^ij\hiǹoj]\jee[pq
rX[eY[Xsth_\Xjg̀iZd̀eg̀iseX̀l`_^\pg̀i_e[\iǹu\_^Xt_ù[\__ejh̀Xjpej_X̀lf̀kmoq
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
NONMANDATORY
APPENDIX
A
!"
##$%&
DEFINITIONS
AND
'SOME
$$
(%%%'
'SUGGESTED
)**$' $TEST
$' #PROCEDURES
!+$)!$'
MEASURE
NEW
GAUGE
)'
$TO$
')!$$
,*
)*$#PERFORMANCE
$!(!+$
USED
A-1
-. 'SCOPE
+#$
6:9?52290=6€0;F/05C=>C520=??9056L5E05EJ57@:;
EE>;=EG=9901295A45;=9>;5K16=EE:;7=6E5B1904=;=F
This
Appendix
/0
1234
4567181is21intended
69567579to:4provide
;:<175=an6:outline
>9?165:of@ =
‚
FƒF€FPF/0571@@5;56E516;5=716C2=95=E095294:169
parameters
used
when
new
per9the
054=
;=A595;2>2
57B0
565evaluating
<=?>=916C6
5B Cgauge
=>C545
;D between
minimum
operating
L
59B556;room
::A9temperature
5A45;=9>;5=and
679the
05A1
61A>A:
45;=916C
These
@formance
:;A=6E5=and
679to:2suggest
>CC5295evaluation
<=?>=91:6:outlines.
>9?1652F/0
5259test
529 9temperature
error.
5
A45
;
=
9
>;
51
0
5?
:
B9
5
A45
;
=
9
>;
55
;
;
:
;
F
is29
the
low
temperature
A5
90:72A=
G:or;A=
G6
:92satisfy
=912@G9the
05;
5H>1;5A5692:of@9the
05
methods
may
may
not
requirements
1intended
6956757=application.
44?1E=91:6FI0
561it91is2Jknown
6:B69that
0=99the
05Cgauges
=>C52 A-2.4
When
-Rw”'Storage
}yxŠ‡Temperature
‡ˆ‰‡xŠ}‹x‡
will
B1
??5encounter
6E:>695;Econditions
:67191:62A:
;52severe
5<5;5:or;?
5222severe
5<5;5 /0
more
less
The5C
gauge
be59
tested
for
accordance
=>C52shall
0=??L
52957@
:;=accuracy
EE>;=EG1in6=
EE:;7=6E5
9than
0=69those
0:252specified,
45E1@157K9the
059test
529A=
GL
71@1579to:A=
9E0 B1
may
be5A:
modified
match
with
para.
6.2.4.1.
The5C
gauge
shall
9
04=
;
=
F‚
F
ƒ
F
€
F
P
F/0
=
>C
52
0
=
?
?9
0
5
6L
=E571
6=a
then
be54?
placed
in
A:
;5Eclosely
?:25?G9the
05=application.
44?1E=91:6F3A @functional
>6E91:6=?9test
5291in69the
05 9temperature
more
5
A45
;
=
9
>;
59
5
2
9E
0
=
AL
5
;=
65
?
5
<
=
9
5
79
5
A45
;
=
9
>;
5
test
chamber
at9=
an
elevated
temperature
best
1intended
6956757=application
44?1E=91:61is2Cgenerally
565;=??G9the
05L
5295evaluation
<=?>=91:6 Œ[e.g.,
70°C
(158°F)]
for
a period
of@24
hr.
The5C
gauge
shall
5
F
C
F
K
•


ŽM
P
“
–

O
Q

@
:
;=45
;
1
:
7:
ƒ
€0
;
F
/0
=
>C
52
0
=
?
?
method.
A-1.)
A5
90:7FM(See
N55OFig.
1CF3D
PFQ
9then
056L
=E571
6=9
5A45;=9>;59test
529E
0=AL5;=
:B5;
be54?
placed
in
a temperature
chamber
at9=?
a lower
temperature [e.g., —40°C (—40°F)] for a period of 24 hr.
This
48–0
hr;E
cycle
be5;
repeated
four
for
a total
/0
12€
GE?52shall
0=??L
545=957@
:>;9times
1A52@
:;=9
:9=?
A-2
-R $EVALUATION
ST)%#PROCEDURES
!+$)!$'
cycles.
shall
be5=
allowed
:of@@five
1<5Ecomplete
:A4?595E
GE?52FThe
/05Cgauge
=>C52
0=??9then
056L
??:B57
WARNING:
UVWXY
XZ[\Failures
]^_`abcd`a
^efga
bcc`abhtesting
bch^ef]areab`ega
bd^ih]j_b 9
during
pressure
unpredictable
9=L1?15=at9;room
::A9temperature
5A45;=9>;5=and
679
056L
05EJ57@
:;
to:2
stabilize
then
be5E
checked
for
]and
edk]
licause
]`cbg]
ahchtomjbga
mgb__bd^ine]any
eld^
abih^menV_
ga
bcc`ab =
may
parts
be propelled
direction.
All_
pressure
accuracy,
in
accordance
with
para.
6.2.4.1.
The
difference
E
E
>
;
=
E
G
K
1
6=
E
E
:
;
7=
6
E
5B1
9
04
=
;
=
F
‚
F
ƒ
F
€
F
P
F
/0
571
@
@
5
;
5
6
E
5
htesting
bch^efcshould
om`_djbi
med`ihbdjlp`]
_^q^bdgb
acmeeb_`c
^ef]approggamr between
be conducted
by qualified
personnel
using
the
two
accuracy
tests
is29
the
of@2
storage
L
5
9
B5
5
69
0
59
B:=
E
E
>
;
=
E
G9
5
2
9
21
0
55
@
@
5
E
9:
9
:
;
=
C
5
effect
ga
^]hbcsafety
]qbhlbequipment
p`^gkbehcsuch
`io]asccsafety
]qbhlfglasses,
_]ccbcscshields,
o^b_dcsmorabencloei_mr temperature
priate
The
5A45;=9>;55
84;52257=
;E569=C5:of@2
4=6F/05
expressed
as2=45
a percentage
span.
csures,
`abcsmora]i
mkj^e]h^meshtomga
btbehgb
acme]_^injury
eu`al]and
edga
mgbahl 9
a combination,
prevent
personal
property
gauge
shall
not
change
its
appearance.
The
dial
and
C
=
>
C
52
0
=
?
?6
:
9E
0
=
6
C
51
9
2=
44
5
=
;
=
6
E
5
F/0
571
=
?=
67
d]
k]fbnWb
]dcsection
bih^mevjb
qmabiconducting
med`ih^ef]any
elhtesting.
bch^efn
damage.
Read
4 before
pionter
not
crack,
change
color.
41:695;2shall
0=??6
:9E
;=EJKblister,
L?1295;K:or;E
0=6C5E
:?:;F
A-2.1
-Rw.$Error,
xxyxz#Position
y{|}|y~
Vibration
-Rw—S
|˜xŠ}|y~
The5C
gauge
mounted
its
/0
=>C52shall
0=??be
L5A:
>69571in61
926normal
:;A=?Ecalibrating
=?1L;=916C A-2.5
A-2.5.1
Vibration
gauge
shall
for
-Rw—w.S
|˜xŠ}|y~Tests.
‡{}{wThe
/05C
=>C52
0=??beL59tested
52957@
:;
position
4:
2191:6M(see
2554para.
=;=F3.4.3.10)
F€FFPQ=and
67Echecked
05EJ57@for:;=accuracy
EE>;=EG1in6 =accuracy
para.
6.2.4.1
before
starting
in
accordance
with
E
E
>
;
=
E
G1
6=
E
E
:
;
7=
6
E
5B1
9
04=
;
=
F
‚
F
ƒ
F
€
F
PL
5
@
:
;
52
9
=
;
9
1
6
C
with
para.
The5C
gauge
be5
=accordance
EE:;7=6E5B1
904=
;=F‚6.2.4.1.
FƒF€FPF/0
=>C52shall
0=??9then
056L
the
vibration
tests.
Each
of
the
tests
specified
below
9
0
5<
1
L
;
=
9
1
:
69
5
2
9
2
F™=
E
0:
@9
0
59
5
2
9
22
45
E
1
@
1
5
7L
5
?
:
B
4?
=E571in61its921intended
6956757:operating
45;=916C4position(s)
:2191:6M2Q=and
67=again
C=16 2shall
placed
conducted
in
mutually
0=??beL5E
:67>E9572separately
54=;=95?G1
65each
=E0:of@9three
0;55A>
9>=??G
with
para.
Echecked
05EJ57@for:;=accuracy
EE>;=EG1in6=accordance
EE:;7=6E5B1
904
=;=F‚6.2.4.1.
FƒF€FPF perpendicular
45
;
45
6
71
E
>
?
=
;=
8
5
2
F3?
?9
5
2
9
21
6:
6
5=
8
1
22
0
=
?
?L
5E
:AD
axes.
All
tests
in
one
axis
shall
be
comThe571
difference
between
/0
@@5;56E5L
59B5569the
059two
B:2sets
592:of@;readings
5=716C21is29the
05 pleted
before
proceeding
to
tests
in
another
axis.
The5
4?
5
9
5
7L
5
@
:
;
54
;
:
E
5
5
71
6
C9
:9
5
2
9
21
6=
6
:
9
0
5
;=
8
1
2
F/0
4:
2191:65error.
;;:;F
position
to:9
the
vibration
Cgauge
=>C5>under
675;9test
5292shall
0=??be
L52secured
5E>;579
05<
1L;=91:69table
=L?5
service.
1in69the
052same
=A5A=
665;9that
0=91it9B1
??beL52secured
5E>;571
62
5;<1E5FInš6
manner
will
in
A-2.2
-RwR„High
|†Temperature
‡ˆ‰‡xŠ}‹x‡$Error
xxyx
the
panel
the
case
of
surface
or
flush
mounting,
9
0
5E
=
2
5:
@2
>;
@
=
E
5:
;@
?
>2
0A:
>6
9
1
6
C
K9
0
54=
65?2shall
0=??
The5C
gauge
be59
tested
in
/0
=>C52shall
0=??L
52957@for:;=accuracy
EE>;=EG1
6=accordance
EE:;7=6E5 beL52sufficiently
rigid
to
ensure
that
its
motion
will
be5
>
@
@
1
E
1
5
6
9
?
G;
1
C
1
79
:5
6
2
>
;
59
0
=
91
9
2A:
9
1
:
6B1
?
?L
with
para.
The5C
gauge
be54?
placed
B1
904=
;=F‚6.2.4.1.
FƒF€FPF/0
=>C52shall
0=??9then
056L
=E571in6=a 5essentially
the
same
as
the
motion
of
the
platform
of
2
2
5
6
9
1
=
?
?
G9
0
52
=
A5=
29
0
5A:
9
1
:
6:
@9
0
54?
=
9
@
:
;
A
:@
9temperature
5A45;=9>;59test
529Echamber
0=AL5;=at9=an65elevated
?5<=9579temperature
5A45;=9>;5 9the
vibration
machine.
Input
conditions
should
be
moni0
5<
1
L
;
=
9
1
:
6A=
E
0
1
6
5
F
š
6
4>9
E
:
6
71
9
1
:
6
22
0
:
>?
7L
5A:
6
1D
a period
Œ[e.g.,
5FCFK‚60°C
ŽM(140°F)]
P€OQ=and
67=allowed
??:B579to:2stabilize
9=L1?15@for:;=45
;1:7 9tored
adjacent
to
the
gauge
mounting.
A
pressure
of
:
;
5
7=
7›
=
E
5
6
99
:9
0
5C
=
>C
5A:
>6
9
1
6
C
F3
4;
5
2
2
>;
5:
@
4 hr.
The5C
gauge
be5E
checked
:of@6not:9?less
5229than
0=6€0
;F/0
=>C52shall
0=??9then
056L
05EJ57 “50%
of
full
scale
shall
be
applied
to
the
gauge
under

œ“
œ:
@
@
>?
?
2
E
=
?
52
0
=
?
?
L
5=
44?
1
5
79
:9
0
5C
=
>C
5>6
75
;
1
5%
with
@for:;=accuracy
EE>;=EG=at99this
0129temperature,
5A45;=9>;5K1in6=accordance
EE:;7=6E5B1
90 9test
pressure
vibration.
may
be5=
applied
byG
5297during
>;16C<
1L;=91:6FThis
/0124
;522>;5A=
GL
44?157L
para.
The571
difference
4=
;=F‚6.2.4.1.
FƒF€FPF/0
@@5;56E51in6;readings
5=716C2=at95each
=E09test
529point
4:169 pressurizing
the
gauge
and
sealing
the
pressure
port.
4;
5
2
2
>
;
1

1
6
C9
0
5C
=
>C
5=
6
72
5
=
?
1
6
C9
0
54;
5
2
2
>
;
54:
;
9
F
between
maximum
L59B556;room
::A9temperature
5A45;=9>;5=and
679the
05A=
81A>A:operating
45;=916C
high
9temperature
5A45;=9>;51is29the
050
1C09temperature
5A45;=9>;55error.
;;:;F
A-2.5.2
determine
-Rw—wR$Exploratory
ž‰ŸyxŠ}yx Vibration
S|˜xŠ}|y~Tests.
‡{}{wTo
/:75
95;A1659the
05
presence
of@;
resonances,
the
gauge
under
test
shall
be5
4;
5
2
5
6
E
5:
5
2
:
6
=
6
E
5
2
K9
0
5C
=
>C
5>6
75
;9
5
2
92
0
=
?
?L
A-2.3
-Rw‘TLow
y’Temperature
‡ˆ‰‡xŠ}‹x‡$Error
xxyx
vibrated
from
Hz to:‚
60¡=
Hz at9=45
a peak<1L;=957=at9@frequencies
;5H>56E152@
;:A 5“¡9
=JD
The5C
gauge
be59
tested
not
Table
A-1.
/0
=>C52shall
0=??L
52957@for:;=accuracy
EE>;=EG1in6=accordance
EE:;7=6E5 9to-peak
:D45=J=amplitude
A4?19>756
:99to:5exceed
8E5579that
0=92shown
0:B61in6/
=L?53D
PF
with
para.
The5C
gauge
be54?
placed
The5E
change
frequency
be5A=
made
discrete
B1
904=
;=F‚6.2.4.1.
FƒF€FPF/0
=>C52shall
0=??9then
056L
=E571in6=a /0
0=6C51in6@
;5H>56EG2shall
0=??L
751in671
2E;595@fre;5D
1 Hz and
maintained
a lower
9temperature
5A45;=9>;59test
529Echamber
0=AL5;=at9=?
:B5;9temperature
5A45;=9>;5Œ[e.g.,
5FCFK Hquency
>56EG1intervals
695;<=?2:of@=approximately
44;:81A=95?GP¡=
67A=
169=1657
—20°C (—4°F)] and allowed to stabilize for a period of
The5@
frequencies
=at95each
=E0@frequency
;5H>56EG@for:;=about
L:>9P15“2sec.
5EF/0
;5H>56E152=and
67
not less than 4 hr. The gauge shall then be checked for
accuracy at this temperature, in accordance with para.
6.2.4.1. The difference in readings at each test point
[
ƒ25“
¢£¤¥¦§¨©ª «¬­­®«¯¥«ª©°«±²°¦§³´µ«¶£³§°ª¥«£·«¸°³©´µ§³´¹«ºµ¨§µ°°¦»¼
½£¦°¤¦£¾¿³ª§£µ«²´¥«¯°«²´¾°«£·«ª©§»«²´ª°¦§´¹«À§ª©£¿ª«À¦§ªª°µ«³£µ»°µª«£·«±¶¸º¼
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
High
or!"positive
#$%&
permissible
"&
!'##()&
)limit
'$of*&error
!!!
<100
==
\k/
+,
-&!reading
&,._ /
Gauge
0"#
1,)&
Upscale
2Downscale
3/#1,)&
/
/
E.
E
tn
“-
g
/
D)
<0
E
E
3
v
D3
/
._%j
3
01
%
(U
;*
*#&$
Offset
&error
!!!
/
/
/
/
/
//
/
/
//
/
//
/
/
/
/
/
/
/
/
/
/
/\
/
/
/
/
/
/
/
negative
4Low3or!/&
,$%&
permissible
"&
!'##()&
)limit
'$of*&error
!!!
Desired
2&
#!&.1characteristic
,!,1$&!#$1
5(zero
6&!&error
!!!1curve)
-!%&7
Hysteresis
8
#$&!&##&error
!!!
//
/
/
/
/
//
=°
/
/
,/
/.
/
//
3
(D
/
/
/
/
/
/
/
/
/
/
/
/
/
//
/
/
/
/
’ 9
I /"-$
nput P ressure
:!
&##-!&5(percentage
"&!1&/$,&of*#span)
",/7
<100
==
A-1
Hysteresis
Offset
>Fig.
?@AB
CD EF
GHIJIG?GKandLMNO
OGIHPError
JJQJ
Test
Amplitudes
RKSTIBCD Vibration
U?SJKH?QLR
IGHB
VWT?HXMIG
Table A-1
YFrequency,
Z[\][^_`a
Hz
hi
jk
lm15j
5 to
m15jktolr25j
r26pktols33s
s34tktolt40n
t41mktolp60n
0bcdef]g[a
e^7
1 0.012
n0.060
onpnqn
onmr
1 0.008
n0.040
ontnqn
onnu
1 0.004
n0.020
onrnqn
onnt
1 0.002
n0.010
onmnqn
onnr
n0.005
onnjqn
onnm
1 0.001
Amplitude,
in.
difference
between
two
tests
effect
„{
ŒŒ€|xƒ
z~|zthe
z
~wyaccuracy
xx‚€yxz
}z}{is}zthe

ŒŒxz
of
Vibration
expressed
as
a
percent
of
span.
w
Œ˜
{
ƒ
€
y
z
{
w
|
‘

€

}
}

„y
}y
€
x

|
zw
Œ}
y
|
Amplitude,
0bcdef]g[a
mm
bb
A-2.6
BC†AžPressure,
JIGGXJIŸžProof
JQQO
1 0.3
m1.5ojqn
os
NOTE:
This}z
¡Š¢£Š{
}z{is}yapplicable
v{xyƒvw|v
ztow|
~ gauges
‹y‚‹}y
|„{
test
only
new
and
is}|w
notz
1 0.2
m1.0onqn
or
for
gauges
that
have
been
fatigue
tested
or€w
otherwise
{intended
|z|„„Œ
w€‹
y‚‹}z
yz
y˜ƒ
|Œ
yz{‹‚z
}z„w
z€~{}
1 0.1
n0.5ojqn
om
useful
their
life
reduced.
had
y„z
{€‚}
Œ‚vv
{Œ€
„‚x„
1 0.05
n0.25
orjqn
onj
The‹
gauge
bez
tested
in
Š
y‚‹}shall
yvvƒ
}z„Œforw€yaccuracy
xx‚€yx{
|yaccordance
xxw€„y|x
1 0.025
n0.013
onmsqn
onrj
with
para.
Apply
proof
pressure
the
~{
zy
€y “6.2.4.1.
Žœ› ™
v
€wwŒ
€}}‚€ztowz
‹gauge
y‚‹
under
maintain
1 min.
Release
pressure
‚|
„€ztest
}zyand
|„y
{|zy{|Œforw€›{
| ¤
vy}€
}}‚€yand
|„
in
yallow
vvw~‹gauge
y‚‹ztow}stabilize.
zyƒ{v{¥ŠTest
}zŒforw€yaccuracy
xx‚€yx{
|yaccordance
xxw€„y|x
with
para.
difference
between
the
~{
zy
€y“6.2.4.1.
Žœ›The
Š„{
ŒŒ€|xƒ
z~|z
ztwo
~wyaccuxx‚š
which
be
vlocations
wxyz{w|}yatz~
{x€resonances
}w|y|x}woccur
xx‚€}shall
yvvƒ
|noted.
wz„
racy
tests
is}z
the
as}y
a
€
y
x
z

}
z
}{


Œ
Œ

x
zw
w
w
Œ€

}
}
‚€

‘

€

}
}

„y
effect
ofŒ€
proof
pressure
expressed
A-2.5.3
Test.
The‹
gauge
BC†A‡AˆPEndurance
LMXJKL‰IR
IGHAŠ
y‚‹}shall
yvvbeƒztested
}z„Œforw€ 
percentage
€x|zy‹wofŒ}span.
y|
a period
2 hr€{
in
mutually
perpendicular
y
€{w„wofŒŽ
|each
yxwofŒzthree
€‚z
‚yvv
€|„{x‚vy€ NOTE:
Proof
pressure
may
bey}
a semidestructive
test
and
¡Š¢£¦€
wwŒ
€}}‚€y
ƒ
{„}z€‚xz{˜z
}zy
|„}should
w‚v„
more
yaxes
‘}’(6“hr€ztotal)
wzyv”yatzzthe
€resonant
}w|y|zŒfrequency.
€•‚|x–IfŒw
€zthan
y| not
bex
conducted
on
gauge.
|wzƒ
w|„‚xz„€repeatedly
yz„vw
|zthe
}same
y‹
y‚‹
wone
|€resonant
}w|y|zŒfrequency
€•‚|xexists,
‘{}z}—zthe
ztest
}z}shall
yvvbe
ƒxconducted
w|„‚xz„
BC†A§žPressure,
JIGGXJI٬Rupture
XWHXJI
resonance
yatzzthe
highest
{‹}z€resonant
}w|y|zŒfrequency.
€•‚|x –IfŒ|now€
}w|y|x{is} A-2.7
Table
A-1.
with
wobserved,
ƒ}€˜„—zthe
ztest
}z}shall
yvvbe
ƒ{in|yaccordance
xxw€„y|x~{
zŠ
yƒv™š
› NOTE:
This}z
test
only
new
and
is}|w
notz
¡Š¢£Š{
}z{is}yapplicable
v{xyƒvw|v
ztow|
~ gauges
‹y‚‹}y
|„{
with
para.
for
have
useful
reduced.
|z|„„Œ
w€‹gauges
y‚‹}zthat
yz
y˜had
y„ztheir
{€‚}
Œ‚vvlife
{Œ€
„‚x„
ŠTest
}zŒforw€yaccuracy
xx‚€yx{in|yaccordance
xxw€„y|x~{
z
y€y “6.2.4.1.
Žœ› The
Š {intended
C
Ž26“
©ª«¬­®¯°± ²³´´µ²¶¬²±°·²̧¹·­®º»¼²½ªº®·±¬²ª¾²¿·º°»¼®º»À²Á¼¯®¼··­ÂÃ
Ī­·«­ªÅƺ±®ª¼²¹»¬²¶·²¹»Å·²ª¾²±°®Â²¹»±·­®»À²Ç®±°ªÆ±²Ç­®±±·¼²ºª¼Â·¼±²ª¾²̧½¿ÁÃ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
!"#$
%$&'()
$*$)$+&$,gauge
(-,$./
'0(*
-%%1scale
&(%$2)
$11-)$ 
CAUTION:
Select
a reference
with
a full
pressure
‡ƒi>
DIGfilled
E;;>CK
D@K>ItoJI
B>?supplier's
@::;E>=?=
>FJVV>LC>C
(1))
Heat
gauge
the
recommended
)rating
('/+,(above
345$'the
0$)rupture
-2'-)$2)
$11-)$4of*'the
0$,gauge
(-,$-+6$
$1''to4 VD
pressure
under)'
test
N
E
V@VI
>
V:>
=
D
I
@=
>D
L
CB
J
;
CG
J
=DVE
L
EV@VJofGOB
S
maximum temperature and hold for a minimum
2 hr.=
damaging
(avoid
54/66(
7(,/+,'the
0$)reference
$*$)$+&$,gauge.
(-,$8
(C)ˆƒ‰>
C@F>Itemperature
>V:>=DI@=>ItoJI
B>?
@::;E>=?=
>FJVm
Reduce
the
supplier's
recom-
9:
:;<:=
>??@=>A(hydraulic
B<C=D@;EF:=
>G>==>CHItoJIthe
B>Kgauge
D@K> V>
Apply
pressure
preferred)
LC>CVE
LEV@VI
>V:>=DI@=>Dand
LCB
J;CGforJ=DVE
LEV@V
minimum
temperature
hold
a minimum
@L
C>=Itest,
>?IMEincreasing
LF=>D?ELKDatID=
DI>L
JIItoJ>exceed
NF>>CO20%
PQJofGGfull
@;; Jmended
under
a rate
not
2 hr.=
S
ofGOB
?scale
FD;>:per>=?second
>FJLCJofGIthe
B>Kgauge
D@K>R
>ELKItested.
>?I>CSTB
>??@=> (vi)Šƒ‰>
being
The>:=
pressure
:>DIIthe
B>D
RJk>F
<F;>O
EV>?S
Repeat
above
cycle
20PI
times.
DatIUB
EFBIthe
B>:pressure
=>??@=>>element
;>V>LIDassembly
??>VR;<UE
;;L
JLK>= (e)‹ƒnJ;
which
will
noJ;
longer
is?:>
permitted.
>DlDK>JofGIthe
B>GfillE;;Gfluid
;@ECE
=VEII>CS
No leakage
B
J;C:=
>??@=>Eis?Ithe
B>=rupture
@:I@=>:
=>??@=>S
hold
pressure
pressure.

Œ
ƒTB
D
;V@?
>
VD
E
L=
>
D
CD
R
;
>
SnJCE
?FJ;J=DIEJL
(f)
The>CE
dial
mustI=
remain
readable.
No discoloration
W
XYZ[\Fatigue
]^_`ab
A-2.8
ofGI
the
fill
fluid
which
degrades
readability
ofGI
the
dial
J
B
>G
E
;
;G
;
@E
CUB
E
F
BC>
K
=
D
C>
?=
>
D
CD
R
E
;
E
I
<J
B>CE
D;
TB
D@K>?shall
BD;;R
>?I>CGforJ=Daccuracy
FF@=DF<E
LDaccordance
FFJ=CDLF> Eis?:>
The>K
gauge
be>I
tested
in
permitted.
=
VE
I
I
>
CS
UE
IB:D
=DSc6.2.4.1.
SOSdSeSTB
D@K>?shall
BD;;Ithen
B>LR
@Rf>FI>CItoJ
with
para.
The>K
gauge
be>?
subjected
a pressure
preferred)
=repeated
>:>DI>CDapplications
::;EFDIEJL?JofGD:=
>??@=>A(hydraulic
B<C=D@;EF:
=>G>==>CH noTpqG?JV>?;EKBICE?FJ;J=DIEJLE?JR?>=k>CMDCCEIEJLD;>N:Jm
Ithat
BDI:=
JC@F>?DanLEindication
LCEFDIEJLGfrom
=JV O20%
PQ ItoJg80%
PQ JofGIthe
B> sure
produces
the
maximum
temperature
may
be>C>
desirable,
determine
@=>ItoJI
B>VD
NEV@VI
>V:>=DI@=>VD
<R
?E=DR;>MtoIJC>
I>=VEL>
=range
DLK>JofGIthe
B>Kgauge
D@K>DatID=
DI>JofGP0.3ShijI
ScijA
egFcpm
:V ?UB
a rate
Hz toJP
0.6
Hz (18
>IB>=G@=IB>=CD=l>LELKJGIB>G;@ECMIJIB>:JELIUB>=>=>DCDRE;m
ItoJh36cFcpm).
:VHSTB
::;EFDIEJLDand
LC=release
>;>D?>JofGIthe
B>:=
>??@=> EI<E?DGG>FI>CMUE;;JFF@=S
The>D
application
pressure
be>D
as??
smooth
not
?shall
BD;;R
VJJIBDas?:practicable,
=DFIEFDR;>M?soJDas?L
JIItoJ?subject
@Rf>FI
Ithe
B>Kgauge
D@K>V>
FBDLE?VItoJ>excessive
NF>??Ek>@:
?FD;>Jor=CJ
UL?FD;> A-2.10
mechanism
upscale
downscale
— Slow
]ybz{
w‘’tLeak
b]“”
by^
Case
Test
high
Daccelerations
FF>;>=DIEJL?Jor=BE
KBDamplitude
V:;EI@C>Eimpulses
V:@;?>?A(pressure
:=>??@=> WXYZŽ
The>K
gauge
periodically
?spikes).
:El>?HSTB
D@K>?shall
BD;;be
R>Itested
>?I>C:>
=EJCEFD;;<GforJ=DaccuFF@m noTpqTB
This
venting.
E?Itest
>?IDapplies
::;E>?Jonly
L;<ItoJ?sealed
>D;>CFcases,
D?>?Mwithout
UEIBJ@Ik
>LIELKS
with
para.
=racy
DF<EinLDaccordance
FFJ=CDLF>UE
IBIthe
B>Itest
>?I?specified
:>FEGE>CEinL:D
=DSc6.2.4.1
SOSdSe NOTE:
L
JI;less
>??Ithan
BDLeB
GI>=?stopping
IJ::ELKIthe
B>:=
>??@=>Fcycling.
<F;ELKS (cl)‚ƒo:>
not
1 hr=D
after
pressure
Open
element
gas
toJG
flow
LIthe
B>>elastic
;D?IEF>
;>V>LIItoJDallow
;;JUK
D?I
;JUGfreely
=>>;<
The>CE
TB
GG>=>LF>R
>IU>>LIthe
B>Gfirst
E=?I?set>IJofG=readings
>DCELK?DatI>each
DFB
difference
between
LSCEDV>I>=S
=JV Ithe
B>?socket.
JFl>ISo:
>L?socket
JFl>IB
J;>I
Open
hole
toJegE
Itest
>?I:point
JELIDand
LCIthe
B>;latest
DI>?I?set>IJofG=readings
>DCELK?DatI>each
DFBItest
>?Ipoint
:JELI Gfrom
a liquid-filled
refill
case.
(b)‡ƒ•ForJ=D;
E–@ECmGE;;>CKgauge,
D@K>M=
>GE;;Ithe
B>F
D?>S
point.
Eis?Gfatigue
DIEK@>>error
==J=DatIIthis
BE?:
JELIS
TB
D@K>?shall
BD;;Dalso
;?JR
>?I>C:>
=EJCEFD;;<GforJ=;leakage
>DlDK> (C)ˆƒ—E
The>K
gauge
be>I
tested
periodically
With
30°C
IBIthe
B>Kgauge
D@K>DatIe18°C
g˜™ItoJh
P˜™A(65°F
cš˜•ItoJg85°F),
š˜•HM
JofGIthe
B>:=
>??@=>>element
;>V>LIDassembly
??>VR;<DatIGfull
@;;?scale
FD;>:=
>??@=>S Dapply
pressure
pressure.
gas
pressure
toJI
the
socket,
and
slowly
increase
toJ
:
:
;
<K
D
?:=
>
?
?
@=
>I
B
>?
J
F
l
>
I
M
D
L
C?
;
J
U;
<E
L
F
=
>
D
?
>I
The>G
fatigue
number
TB
DIEK@>;life
EG>Eis?Ithe
B>L
@VR>=JofGFcycles
<F;>?ItoJ;leakage.
>DlDK>S Dallow
;;JUFcase
D?>:
=>??@=>ItoJ>
–@D;Dapplied
::;E>C:=
>??@=>D
D::=JNEm
pressure
equal
pressure
atIapproximately
1 psi/
Record
pressure
required
toJD
activate
I>;<e:?
E›?sec.
>FS‰>
FJ=C:=
>??@=>=
>–@E=>CI
FIEkDI>
noTpqr=>??@=>;EVEI?CEGG>=>LIG=JV OPQIJgPQJGIB>=DLK>JG VD
relief
mechanism.
=
>
;
E
>
GV>
F
B
D
L
E
?
VS
IB>KD@K>FDLBDk>D?EKLEGEFDLI>GG>FIJLIB>GDIEK@>>==J=DLC
mustI=
relieve
pressure
without
(11)Šƒ™D
?>V@?
>;E>k>Dapplied
::;E>C:=
>??@=>UE
IBJ@I
Case
Gfatigue
DIEK@>;life.
EG>S
ejecting
parts,
other
than
the
pressure
relief
device.
>
f
>
F
I
E
L
K:
D
=
I
?
M
J
I
B
>
=I
B
D
LI
B
>:
=
>
?
?
@=
>=
>
;
E
>
GC>
k
E
F
>S
— Seal
A-2.9
Gauges
W
XYZstLiquid-Filled
_ua_vX\_wwbvx]
a`byz{
b]w|Integrity
}^b`~_^]and
}v
NOTE: If some slight discoloration is observed, additional expo-
whether further darkening of the fluid, to the point where readability is affected, will occur.
NOTE: Pressure limits different from 20% to 80% of the range of
the gauge can have a significant effect on the fatigue error and
{Stability
^]€_w_^
NOTE: Testing
lower
noTpqT
>?IELKDatIhigher
BEKB>=Jor=;
JU>=I
>V:>=DI@=>VD
<F
BDLK>=
>?@;I?
temperature
may
change
results
C=
D?IEFD;;<SIfGKgauge
D@K>E
JR
>CDatIJother
IB>=I
>V:>=DI@=>?Mtest
I>?I?should
BJ@;C
drastically.
is?I
to
be>@?
used
temperatures,
Mount
normally
with
(cl)‚ƒ„J
@LIKgauge
D@K>LJ
=VD;;<EinLDaccordance
FFJ=CDLF>UE
IBIthe
B> beR>=repeated
limit
>:>DI>CDatIIthose
BJ?>I
>V:>=DI@=>?Sœ
@::;E>=’s?I
>V:>=DI@=>;
EVEI
temperatures.
Supplier
temperature
may<L
not
be>>
exceeded.
?supplier
@::;E>=’s?Einstruction.
L?I=@FIEJLS
VD
JIR
NF>>C>CS
NOTE: This
mustIR
be
fluid.
noTpqTB
E?Itest
>?IV@?
>Fconducted
JLC@FI>CJonL>each
DFBGfillE;;G
;@ECS
[
O27†
žŸ¡¢£¤¥ ¦§¨¨©¦ª¦¥¤«¦¬­«¡¢®¯°¦±ž®¢«¥¦ž²¦³«®¤¯°¢®¯´¦µ°£¢°««¡¶·
¸ž¡«Ÿ¡ž¹º®¥¢ž°¦­¯¦ª«¦­¯¹«¦ž²¦¥¤¢¶¦­¯¥«¡¢̄´¦»¢¥¤žº¥¦»¡¢¥¥«°¦®ž°¶«°¥¦ž²¦¬±³µ·
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
NONMANDATORY
APPENDIX
!"
##$%&'B
ON REGULATORS
(
)($*)*
$!
$()+!*
GAUGES
USED
,./01
1234.5.is/.intended
36234246to72emphasize
81-9/.:29and
34/supple;11<2= 'B-2.2.6
KQRQRvwS
WxXcW%Information.
TX\U_V]^\TR@Section
2?6.73y?
7369.3/2<1=
This
Appendix
Helpful
7 contains
helpment
in
stan82
366the
-2>recommendations
2?78823496.73/?contained
7369.324.
36this
-./@Standard
69349>4 Bful;<.information
3B7>896.73>relative
2<96.I26to77ordering
>42>.3AAgauges,
9;A2/Erelated
>2<9624/
693=
9and
346to7Aguide
;.4212
>/7332</specifying
12?.BC.3A9and
34.installing
3/69<<.3AAgauges
9;A2/ 49
>4/E9and
34?conversion
73I2>/.73B
9?67>/F
personnel
dards,
factors.
;/
247on3>regulators
2A;<967>/Bfor7>7oxy—fuel
5C=B;2<Agas9/D2
<4.3AE?cutting,
;66.3AE '
used
welding,
KQRf(V
cqSZ)Z
Sh\onT!Regulators
SqcWV]\UZ
Gauges
Used
processes.
not
9and
349allied
<<.241
>7?2//2/FGIt6/should
-7;<43
76be
H29assumed
//;8246that
-962every
I2>C B-2.3
The2B
following
specific
paragraphs
7<<7D.3A>references
2B2>23?2/6to7/
12?.B.?19
>9A>91-/7ofB6this
-./
6test
2/67or>/safety
9B26C1>
7?24;>27or>82
6-74E1>
2?9;6.73E2equipJ;.1= ,procedure
method,
precaution,
Appro69349>49apply
11<C6to7Agauges
9;A2/;/
247on3>
2A;<967>/F011
>7=
used
regulators.
82
36E7or>42
I.?2.is/?contained
7369.324.in36this
-./01
1234.5E7or>6that
-96 @Standard
ment,
device
Appendix,
priate
discussed.
.9629additional
44.6.739<?considerations
73/.42>96.73/9are>24.
/?;//24F
unusual
may
not
warrant
9abnormal
H37>89<7or>;3
;/;9<?circumstances
.>?;8/693?2/89
C3
76D9
>>936 1>
/suggesting
;AA2/6.3ABfurther
;>6-2>>requirements
2J;.>28236/7or>9additional
44.6.739<1>
7?2= 'B-2.3.1
procepara.
nominal
KQRfRL*Sizes.
^zSZRSee
@221
9e>9Fd3.1.FeFThe
,-23
78.39<Agauge
9;A2/sizes
.:2/
4dures.
;>2/F
2 in.,
and
2?/2
in.
for
regulator
applications.
9are>2e1/2ea.in.,
3FEa.
3FE9
34a
.
3
F
B
7
>>
2
A
;<
9
6
7
>9
11
<
.
?
9
6
.
7
3/F
a
para.
3.2.
Common
'B-2.3.2
KQRfRQ!Ranges.
VTqSZRSee
@2219
>9Fd
FaFl7
8873>ranges
93A2/Bfor7>
'B-1KL *SCOPE
M#$
used
regulators
listed
Table
B-1eH
by
Agauges
9;A2/;/
247on3>
2A;<967>/9are>2<
./624.in3,
9H<2`=
C
?
;/
6
789
>
C;3.
6
/9
346
-2?
7>
>
2
/
1734.
3A@
G;3.
6
/
customary
units
and
the
corresponding
SI
units
This
Appendix
,./011
234.5.is/.intended
36234246to72emphasize
81-9/.:26those
-7/219
>6/
parts
N
>
7
;3
42
46
7989
5
.
8;8
7
B6
D7/
.
A
3
.
B
.
?
9
3
6B
.
A
;>
2
/
P
F
(rounded
to
a
maximum
of
two
significant
figures).
7ofB6this
-./@Standard
69349>46that
-969are>29applicable
11<.?9H<26to7Agauges
9;A2/?commonly
78873<C
is/>
recommended
no7<
larger
2?788234246that
-963
9>A2>Agraduations
>94;96.73/6than
-93
used
welding,
;/
247on3>regulators
2A;<967>/Bfor7>7oxy—fuel
5C=B;2<Agas9/D2
<4.3AE?cutting,
;66.3AE GIt6.
in
Table
B-1
be
printed
(marked)
6
7
/
2/
7
D3.
3,
9
H
<
2`=
eH
21
>
.
3
6
2
4N
89
>
O
2
4P7
36
-2
those
shown
on
the
9and
349allied
<<.241>
7?2//2/9and
346to71
>7I.42/specific
12?.B.??considera73/.42>9=
processes
provide
and
displaying
of
A
9
;
A
24.
9
<
F
,2/
1
9
?
.
3
A9
3
44.
/
1<
9
C
.
3
A7
B6
23
;82
>
9
</
gauge
dial.
The
spacing
the
numerals
dial
instal6tions
.73/Bfor7>Agauge
9;A24.
9<printing
1>.36.3AN(marking)
89>O.3AP9and
34Agauge
9;A2.
3/69<=
marked
on
the
gauge
dial
may
vary
for
aesthetic
reasons,
89
>
O
2
47
36
2A
9
;A
24.
9
<
89
CI
9
>
CB
7
>
9
2
/
6
2
6
.
?>
2
9
/
7
3
/E
<lation.
96.73F
provided
least
numerals
displayed.
1>
7I.4246that
-969at6<
29/66three
->223
;82>9</9are>24.
/1<9C24F
4.3.8.
The2?
'B-2.3.3
KQRfRfMCases.
VZSZR@See2219
>9/Fd3.3.1
FdFe9and
34i
FdFuF,9/2/
paras.
cases
'B-2KQ !RECOMMENDATIONS
$M$%*
commonly
used
for
regulator
gauge
applications
are
?
7
887
3
<
C;/
2
4B
7
>>
2
A
;<
9
6
7
>A
9
;A
29
1
1
<
.
?
9
6
.
7
3
/9
>2
General
'B-2.1
KQRL(S
TSUVW!References
SXSUSTYSZ
pressure
relief.
6 and
paras.
7open
123Bfront
>736with
D.6-1>
2//;>2>
2<.2BF{Figure
.A;>2s9
3419
>9/F3.3.1.1
dFdFeFe
34d3.3.1.4
FdFeFi7outline
;6<.32?
9/2?construction.
73/6>;?6.73F
case
Gauges
used
welding,
[9
;A2/;/
247on3>regulators
2A;<967>/Bfor7>7oxy—fuel
5C=B;2<Agas9/D2
<4.3AE 9and
processes
be2A
governed
by
?cutting,
;66.3AE9and
349allied
<<.241>
7?2//2/9are>26to7H
7I2>324H
C6the
-2 'B-2.3.4
Dials.
KQRfRj^
VWZR@See221para.
9>9Fd3.3.2.
FdFaF
>recommendations
2?78823496.73/7ofB6this
-./@Standard.
69349>4F
B-2.3.4.1
Recommended
units
ofB82
measure
for
'K
QRfRjRL |2
?78823424;3.
6/7
9/;>2B
7>
,To7Bfacilitate
9?.<.69626the
-2;/
-./@Standard,
69349>4E>references
2B2>23?2/9I2
use27
ofB6
this
have
Agauges
9;A2/;used
/247on3>regulators
2A;<967>/9are>2O
r99
341/
1/.AP1>
2=
kPa
and
psi.N
(psig)
prebeen
made
paragraphs.
H22389
426to7/specific
12?.B.?/sections
2?6.73/9and
3419
>9A>91-/F
/sented
236246together
7A26-2>N(dual
4;9</scale).
?9<2PF
General
'B-2.2
KQRQ(S
TSUVWMContents
\T]ST]Z
Paragraphs
3.3.2.5
'B-2.3.4.2
KQRfRjRQ r9
>9A>91-/d3.3.2.3,
FdFaFdE3.3.2.4,
dFdFaFiE9and
34d
FdFaFm9are>2
Basic
definitions
'B-2.2.1
KQRQRL'Basic
VZ^YTerms.
SU_ZR`9
/.?6terms
2>8/9and
3442
B.3.6.73/9are>2 9applicable.
11<.?9H<2FScale
@?9<2A
>94;96.73/7on3Agauges
9;A2/.
3/69<<247on36the
-2
graduations
installed
7outlined
;6<.324.in3/section
2?6.73a2.F
regulators
7output
;61;6/side
.427ofB9acetylene
?26C<232>
2A;<967>/9are>2;usually
/;9<<C>restricted
2/6>.?624
psi,.
psi.
Ewith
D.6-6the
-2/scale
?9<2>red—lined
24=<.3249above
H7I2e15m1
/.F
General
General
'B-2.2.2
KQRQRQ(S
TSUVW!Requirements.
Sbc^US_ST]ZR[2
32>9<>requirements
2J;.>28236/ 6to7e15m1/
provided
9are>21>
7I.424.in3/section
2?6.73d3.F[9
;A2/;used
/247on3>regulators
2A;<967>/
Gauges
used
regulator
gauges
having
'B-2.3.4.3
KQRfRjRf }.
9</;/
247on3>
2A;<967>A
9;A2/9I.3A
Dials
2 in.,
mounted
by
9are>2;usually
/;9<<C/size
.:2e17/2ea.in.,
3FEa.
3FE9and
34a21/2ea.in.,
3FE87
;3624H
C >ranges
psi.
usually
contain
a UL listing
93A2/Agreater
>2962>6than
-93e1,000
E~~~1/
;/;9<<C?
7369.39n<
./6.3A
have
with
6the
-2/stem
628 N(socket),
/7?O26PE9and
349I27open
123Bfront
>736?cases
9/2/D.
6-1pres>2/= 89
mark.
The UL listing
mark
indicates
the
gauge
>OF,-2n<
./6.3A89
>O.
34.?962/6that
-966
-2A9
;A2
They
be2A
grade
B accuracy
better.
/sure
;>2>relief.
2<.2BF,2C/shall
-9<<H
>942`9
??;>9?C7or>H
2662>F 42
with
Underwriters
Laboratories
Safety
/.A3?complies
781<.2/D.
6-3
42>D>.62>/n9
H7>967>.2/@
9B26C
design
listing
mark
Standard
UL 404
and
bearing
69349>4ni
~i9
34Agauges
9;A2/H
29>.3A6the
-2<
./6.3A89
>O
'B-2.2.3
KQRQRf*Safety
VXS]gMConsiderations.
\TZ^hSUV]^\TZR@Safety
9B26C?considerations
73/.42>96.73/ @
are
subject
to
UL
follow—up
procedures.
9
>
2/
;H
€
2
?
66
7nB
7
<
<
7
D=
;11
>
7
?
2
4
;
>
2
/
F
4.F
discussed
9are>24.
/?;//24.in3/section
2?6.73i
KQRfRp#Pointer
\^T]SU+Length.
STq]R@See221para.
9>9F3.3.3.
dFdFdF
B-2.2.4
Cleanliness
'K
QRQRjMCleanliness
WSVTW^TSZZ+Levels.
SkSWZRl<
293<.32//<levels
2I2</9are>2 'B-2.3.5
detailed
5.F[9
Gauges
used
42
69.<24.in3/section
2?6.73m
;A2/;/
247on37oxygen
5CA23>regulators
2A;<967>/ 'B-2.3.6
para.
KQRfRv#Pressure
USZZcUSMConnection.
\TTSY]^\TRSee
@2219
>9F3.3.5.
dFdFmFGauges
[9;A2/
have
Level
/shall
-9<<9I2?cleanliness
<293<.32//2equivalent
J;.I9<2366to7n2
I2<GIV.oF
used
and
have
;/
247on3>regulators
2Ae;<967>/9are>2/stem
628 mounted
87;36249
349I2eu .3F
NPT or>/4iin.
NPT taper
pipe
ANSIG
a27ytr,7
.3Fe18utr,6
912>1.
126threads,
->294/Eper
12>0t@
Pressure
'B-2.2.5
KQRQRp Testing
SZ]^Tq*Standards
]VThVUhZVand
Th#Procedures.
U\YShcUSZRr>
2//;>2 `e
B1.20.1.
F
a
~
F
e
F
procedures
discussed
Agauge
9;A26testing
2/6.3A/standards
69349>4/9and
341>
7?24;>2/9are>24.
/?;//24
Additional
Windows.
para.
windows
are
NonKQRfR‚ƒ^
Th\„ZRSee
@2219
>9F3.3.8.
dFdFuFPlastic
r<9/6.?D.
347D/9
>2
.in3/section
2?6.73s6.F044.
6.739<.information
3B7>896.73.is/7outlined
;6<.324.in3t7
3= 'B-2.3.7
most
used
mandatory
Appendix
A.
87
/6?commonly
78873<C;
/247on3>regulator
2A;<967>Agauges.
9;A2/F
89
34967>C01
1234.50F
f
a28u
†‡ˆ‰Š‹Œ Ž‘Ž’ˆŽŒ“Ž”•“‰Š–—˜Ž™†–Š“ˆŽ†šŽ›“–Œ—˜Š–—œŽ˜‹Š˜““‰žŸ
†‰“‡‰†¡¢–Š†˜Ž•—ˆŽ’“Ž•—¡“Ž†šŽŒŠžŽ•—“‰Š—œŽ£ŠŒ†¢Ž£‰Š“˜Ž–†˜ž“˜Ž†šŽ”™›Ÿ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
B-1!" #Ranges
$%&
Table
'()*+,-.2/0)(12(0
4Smallest
+,445()
7Range
,/65
0,7',)0*/
9'
+5-,4(
Graduation
Numerals
80/15
9:;
80.5<;
=3.0<8
80/30
9=8
:1.0<8
;5.0<8
80/50
9;8
:1.0<8
:108
80/60
9?8
>2.0<8
:108
80/100
9:88
>2.0<8
>208
80/150
9:;8
;5.0<8
=308
80/160
9:?8
;5.0<8
>208
80/200
9>88
;5.0<8
@408
80/300
9=88
:108
;508
80/400
9@88
:108
;508
80/500
9;88
:108
:100
88
80/600
9?88
>208
:100
88
80/1,000
9:C888
>208
>200
88
80/1,500
9:C;88
;508
=300
88
80/2,000
9>C888
;508
@400
88
80/3,000
9=C888
:100
88
;500
88
80/4,000
9@C888
:100
88
;500
88
80/5,000
9;C888
:100
88
:1,000
C888
80/6,000
9?C888
>200
88
:1,000
C888
80/7,500
9AC;88
>200
88
:1,000
C888
80/10,000
9:8C888
>200
88
>2,000
C888
Customary Units, psi
7Range
,/65
80/100
9:88
80/200
9>88
80/350
9=;8
80/400
9@88
80/700
9A88
80/1000
9:888
80/19::100
88
80/1400
9:@88
80/29>8000
88
80/29>B800
88
80/39=;500
88
80/49@8000
88
80/79A8000
88
80/10000
9:8888
80/14000
9:@888
80/20000
9>8888
80/28000
9>B888
80/35000
9=;888
80/40000
9@8888
80/50000
9;8888
80/70000
9A8888
Units,
4SI82/
0)(13kPa
6,
4+,
445()
Smallest
0,7',)0*/
Graduation
>2.0<8
;5.0<8
:108
:108
>208
>208
>208
;508
;508
:100
88
:100
88
:100
88
>200
88
>200
88
;500
88
;500
88
1000
:8
88
1000
:8
88
1000
:8
88
1000
:8
88
2000
>8
88
9'
+5-,4(
Numerals
>208
;508
;508
:100
88
:100
88
>200
88
>200
88
>200
88
;500
88
@400
88
;500
88
1000
:8
88
1000
:8
88
2000
>8
88
2000
>8
88
5000
;8
88
4000
@8
88
5000
;8
88
:10000
8888
:10000
8888
:10000
8888
!DEFEGHIIJKILEMNNOPQPRSRTRUPVWNXXYPZZYP[NP\ Pand
\aPallied
ZZjNaOQ
_]NXXNXRfY
\XdPZZPdj_\Pand
\a_operation
ONQPdj_\_
processes.
TheNj
installation
of`
may
beN`
found
manufacturer's
instruction
P]]VQP]^_`UQPaNb_QcNddNQeXNNfPcZNghRiOOZj]PcZN Qregulators
NWVZPd_QXxP
^c
_V\ajin\xP
\V`P]dVQNQ‰Xj
\XdQV]dj_\
manuals
handbooks,
Occupational
OPQPWQPOYXj\dYjXXN]dj_\j\]ZVaNkSRTRglSRTRgRglSRTRgRml xP
\VPZX_orQY
P\ac__ŠXlinj\dthe
YN‹]
]VOPdj_\PZSafety
MP`Nd^Pand
\a
SRTRgRnlSRTRgRolSRTRgRgplP\aSRTRgRgmR
ŒN
PZdYM
dP\aPQaX`for_QIndustry
\aVXdQ^e(29moŽ
luPart
PQdg1910),
ogphlMSubVcw
Health
Standards
CFR,
part
Q, and
in
the
National
Institute
for
Occupational
OP
Q
dlP
\
aj
\d
Y
N‘P
d
j
_
\
P
Z
\
X
d
j
d
Vd
N`
_
Q‹]
]
VOP
d
j
_
\PZ
B-2.3.9
!DEFEqrSafety.
stLEMSeeNNXsection
N]dj_\T4.RuPersonnel
NQX_\\NZXspecifying
ON]j`^j\W MSafety
and
Health
(NIOSH),
Safety
and
Health
in
Arc]
P
`
N
d
^P
\
aŒN
P
Z
d
Ye
‘
‹M
Œh
lM
P
`
N
d
^P
\
aŒN
P
Z
d
Yj
\iQ
pressure
Pand
\ajinstalling
\XdPZZj\WOQ
NXXVQNWgauges
PVWNXVX
Na_on\_oxy-fuel
v^w`VNZWgasPX Welding
used
\aUP
Zaj\WPand
\aV
ddj\WR
GasX’N
Welding
Cutting.
preQregulators
NWVZPd_QXXshould
Y_VZac
N]_xN`familiar
PxjZjPQyj
dYdthe
YNxP
dNQjPZOQ
Nw ’NZaj\WPand
become
with
material
Xsented
N\dNajin\dthis
YjXXsection.
N]dj_\R
B-3.2
General
!FEDƒ
$K‚Precautions
KIJt|“$&
B-2.3.10
!DEFE"z{Cleanliness.
$|$&&EMSeeNNXsection
N]dj_\}
VWNXVused
XNa_on\ ‹v
5.RUP
Gauges
Oxygen
hydrocarbons
and
com^WN\Pand
\aY
^aQ_]PQc_\Xe(oil
_jZP
\aWgrease
QNPXNPareQN]
_xw
with
Level
_oxygen
v^WN\Qregulators
NWVZPd_QXXshall
YPZZ]comply
_xOZ^yj
dY]cleanliness
ZNP\Zj\NXX~N
[NZ x_
mon
hydrocarbons)
under
certain
conditions
can
react
\Y
^
aQ
_
]
P
Q
c
_
\
X
hV\
aN
Q]
N
Q
d
P
j
\]
_
\
aj
d
j
_
\
X]
P
\Q
NP]d
better.
IV€_orQc
NddNQR
explosions,
damage
and
[violently,
j_ZN\dZ^lresulting
QNXVZdj\Wjin\N
vOZ_Xj_\Xl`fire,
jQNlPand
\aaP
xPWNP
\a
injury
to
personnel
and
property.
Never
allow
oil
orQ
j
\
”
V
Q
^d
_ON
Q
X
_
\
\
N
ZP
\
aOQ
_
ON
Q
d
^
R‘N
[
N
QP
Z
Z
_
y
_
j
Z_
B-2.3.11
!DEFE""H
ItL$EMSeeNNOpara.
PQPR4.3.8.2.
TRSRRmR
Acetylene.
into
Contact
with
any
external
orQj
internal
W
Q
N
P
X
Nd
_
xNj
\
d
_]
_
\
d
P
]
d
yj
d
YP
\
^N
v
d
N
Q
\
P
Z
_
\
d
N
Q
\
PZ
grease
to_]
Come
B-2.3.12
Gauge
Testing.
TheN part
!DEFE"D‚Pressure
K&&JKƒ
J%
&t|$%EMSeeNNXsection
N]dj_\n6.RfY
orQj
internal
portion
of`d
the
threaded
fitting
of`d
the
OP
Q
d_
Y
Nd
Y
Q
N
P
aN
a`
j
d
d
j
\
W_
\
d
N
Q
\
P
ZO
_
Q
d
j
_
\_
Y
N
medium
maintain
OQ
NXXVQNxN
ajVx Vused
XNa`for_Qdtesting
NXdj\WXshall
YPZZxP
j\dPj\dthe
YN pressure
pressure
element
assembly
of
oxygen
gauges.
Even
a
NXXVQNNZNxN\dPXXNxcZ^_`_v^WN\WPVWNXR•[N\P
under
Qrequired
N„VjQNa]cleanliness
ZNP\Zj\NXXZlevel
N[NZ_of`dthe
YNWgauge
PVWNV\
aNQ]calibration
PZjcQPdj_\ OQ
minute
can
beNY
hazardous
the
xj
\VdNPamount
x_V\d_of`hydrocarbon
Y^aQ_]PQc_\]
P\c
P–PQa_VXjin\d
YN
verification.
TheNaN
dead—ended
pressure
_orQ]calibration
PZjcQPdj_\[
NQj`j]Pdj_\RfY
PawN\aNaOQ
NXXVQNNeleZNw presence
of`_
oxygen.
OQ
N
X
N
\
]
N_
v
^
W
N
\
R
ment
beNQ
reliably
xN
\dPassembly
XXNxcZ^_of`Qregulator
NWVZPd_QWgauges
PVWNX]cannot
P\\_dc
NZjPcZ^ N
Regulator
beNj
installed
replaced
only
WVZPd_QWgauges
PVWNXXshould
Y_VZac
\XdPZZNa_orQQ
NOZP]Na_
\Z^
Gauges
with
]cleaned
ZNP\Na_once
\]N]contaminated.
_\dPxj\PdNaRUP
VWNX]contaminated
_\dPxj\PdNayj
dY by
skilled
personnel
who
have
been
properly
instructed.
c
^X
Š
j
Z
Z
N
aON
Q
X
_
\
\
N
Z
yY
_Y
P
[
Nc
N
N
\O
Q
_
O
N
Q
Z
^j
\
X
d
Q
V]
d
NaR
hydrocarbon
media
used
Y
^aQ_]PQc_\Opressure
QNXXVQNxN
ajPXshall
YPZZ\not_dbe
cNVX
Na_on\_oxygen
v^WN\
Qregulators.
NWVZPd_QXR
B-3.3
!FEF Installation
$&tt|“$‚Precautions
KIJt|“$&
B-2.3.8 Accuracy. See para. 3.4. Gauges shall have an
accuracy of Grade B or better (see Table 1). Applicable
paragraphs in this section include: 3.4.1, 3.4.1.1, 3.4.1.2,
3.4.1.6, 3.4.1.9, 3.4.1.10, and 3.4.1.12.
!F INSTALLATION
†rH‡‡Hˆ†
B-3.1
!FE"#References
sK$I&
DO maintain
the
connection
—˜
™š›œš›œ
žŸpressure
¡Ÿ¢¢£¡ŸŸelement
¤Ÿ™Ÿœšassembly
¢¢Ÿ™¥¤¦šand
œ§¨
©œœŸ¨›©œ
¨cleanliness
¤Ÿšœ¤›œŸ¢¢¤level
ŸªŸ¤¡required
Ÿ«£›¡Ÿ§¬for©¡the
žŸ›intended
œŸœ§Ÿ§šapplication.
¤›¨š›©œ­
DO refer
manufacturer's
manual
—˜¡
Ÿ¬Ÿ¡to©the
žŸ™š
œ£¬š¨£¡Ÿ¡®¢›instruction
œ¢¡£¨›©œ™š
œ£š¤¬for©¡the
žŸ¨correct
©¡¡Ÿ¨
pressure
to
be used.
¡Ÿ¢¢£¡Ÿ¡ranges
šœ¯Ÿ¢
©¥Ÿ£¢
Ÿ§­
This
limited
fY
jXXsection
N]dj_\jisXZ
jxjdNadto_dthe
YNjinstallation
\XdPZZPdj_\_of`Wgauges
PVWNX_on\ —˜£¢
DO useŸ
the
wrench
the
žŸ°¡
Ÿœ¨ž¬flats
¤š¢provided
¡©ª›§Ÿ§©onœ
žŸ¯gauge
š£¯Ÿ¨connection
©œœŸ¨›©œšand
Ϥ
used
welding,
wrench
to
¡© Ÿ¡¢size
›±Ÿ°¡
Ÿœ¨ž
©¢secure
Ÿ¨£¡Ÿthe
žŸ¯gauge
š£¯Ÿto©the
žŸ¡regulator.
Ÿ¯£¤š©¡­
Qregulators,
NWVZPd_QXlPasXVX
Na`for_Q_oxy-fuel
v^w`VNZWgasPXyN
Zaj\Wl]cutting,
Vddj\Wl thežŸproper
B-3
[
m29o
²³´µ¶·¸¹º »¼½½¾»¿µ»º¹À»ÁÂÀ¶·ÃÄŻƳ÷Àºµ»³Ç»ÈÀùÄÅ·ÃÄɻʟ·ÅÀÀ¶ËÌ
ͳ¶À´¶³ÎÏú·³Å»Âĵ»¿À»ÂÄÎÀ»³Ç»º¹·Ë»ÂĺÀ¶·Äɻзº¹³Ïº»Ð¶·ººÀŻóÅËÀź»³Ç»ÁÆÈÊÌ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
!"#$the
%$thread
%&'(sealant
'"'!$&recommended
)**!((+#$
%&regulator
,"'$&
DO useonly
by the
manufacturer
*'
!-')$&&-for&$the
%specific
.)/-/)'application.
.."/)'$/!0
!$'""'"
3 .&
&,gauge
',/into
!$ $the
%%/
,%.&
&
DO 12/
NOT install
a low
pressure
high
pressure
.port&$on!'&
,"'$&0
a regulator.
12
%,gauge
',)case
'-for&3&
!)%/!,0
DO NOT use$
the
wrenching.
DO NOT interchange
12/
!$&)%'!,,gauges
',-from
&* one
!,gas''application
.."/)'$/!$to 'another.
! $%&0
12
4)%'!,,gauges
',-from
&* one
!&regulator
,"'$&$to 'another.
! $%&0
DO NOT exchange
!()$)calibration
'"/+&'$/!5
&/-/)'$/!
/!,'air/&-from
&* shop
%.
DO 12)
NOT conduct
verification
using
'air/&"lines,
/!6oil,/"6or&')
!$'*/!'$(.&
&source.
&)0
a contaminated
pressure
12&
* 5$the
%&restrictor
$&/)$&/installed
!$'""(/in!$
%,gauge
',)connection.
!!)$/!0
DO NOT remove
the
2%&
$&/)$&"limits
/*/$,gas'-flow
"3'and
!('aids
/(/in!"limiting
/*/$/!,$
*.&'$&
The restrictor
temperature
&rise
/($
(/'+'$/))compression.
*.&/!0
due to '
adiabatic
7B-48; pReferenced
>q>?>DF>rsC
FGt>DAH
Documents
uYMMTRXRVP^MJURPLXYMSJXMNXTJXMVQRNNKJPOMNYJSS
^MKNMT_
ASME
B1.20.1,
Pipe
Threads,
vw
xyz{
_|o_{}~R
WMuY
UMJTN}IM
PMUJS~KU
WVNM}(Inch)
€POY
General
Purpose,
(Except
y‚OMWXƒU
ZNMJS
Dryseal)
Publisher:
TheMv\M
American
Mechanical
Engi~K^
SRNYMU„uY
UROJPwSociety
VORMXZVofQxM
OYJPROJSyP
LR[
neers
Three
Park
PMMUN(ASME),
vwxy}uY
UMM~J
U Avenue,
v]MPKM}†M
‡ York,
ˆVU}†ˆ
New
NY
{10016-5990;
oo{‰[Š‹‹oŒU
TMUƒM
WJUX\MPX„|
‡ Drive,
ƒUR]M}~P.O.
__
Order
Department:
22|ŽJ
Law
zV
‚|2300,
noo}
JRUQRMST}†o
‘oo‘[|noo
Fairfield,
NJ 07007-2300
Box
Regulator
Pressure
’Ivy[
LKSJXVU~U
MNNKUMIJ
KLMN
CGA E-4“”M
Gauges
’Iv
uz•–N
Z[KMSIJ
STRPLJ
PT’KX
XRPL
CGA TB8
UseMV
ofQ‚
Oxy-Fuel
GasN—M
Welding
and
Cutting
vW
W
J
U
J
X
K
N
}
u
M
O
Y
P
R
O
J
SzKS
S
M
X
R
P
Apparatus,
Technical
Bulletin
Operation
7B-3.4
89:;<=
>?@ABCDEPrecautions
?>F@GABCDH
Publisher:
~K^
SRNYMU„’V
\WUMNNMTIJ
NVORJXRVP}€Inc.
PO_(CGA),
’Iv}
Compressed
GasNvN
Association,
4221
Walney
“
|
|
{—J
S
P
M
Z”V
J
T}
’Y
J
P
X
R
S
S
Z
}
˜v|
o
{
Š
{
[
|
‹
|
n
Road,
Chantilly,
VA
20151-2923
can
fail
during
operation
and
the
energy
IJ
K
L
M
NO
J
PQ
J
R
S
T
KU
R
P
LV
W
M
U
J
X
R
V
PJ
P
TX
Y
MM
P
M
U
L
ZO
V
P
[
Gauges
conXtained
JRPMTRinPOcompressed
V\WUMNNMTLgases
JNMNOcan
JPWU
VTKOM]
RVSMPXMeffects
QQMOXN †€
produce
violent
w™ ~Publication
K^SROJXRVP†V
•[{n•}wSafety
JQMXZJ
PT™M
JSXYR
P
NIOSH
No._‘
78-138,
and
Health
in
Nshould
YVKSTXthe
YMWpressure
UMNNKUMMelement
SM\MPXJassembly
NNM\^SZUrupture.
KWXKUM_
ArcO—M
Welding
GasN—M
Welding
Cutting
vU
STRPLJand
PTIJ
STRPLJand
PT’KX
XRPL
CFR,
|29‹’
”}~J
UX{1910,
‹{o}w
K^WJUXš}†J
XRVPJS€
PNXRXKXMQforVU
Part
Subpart
Q, National
Institute
'
"3'#'apply
.."#)cylinder
#"/!(&.&
&slowly.
"3"#0`
'$($
(/'+'$/) O
DO always
pressure
Heat
due to '
adiabatic
O
KW
J
X
R
V
P
J
S
w
J
Q
M
X
ZJ
P
T™M
J
S
X
Y
_

†€
w
™
}wSafety
JQMXZJand
PT
Occupational
Safety
and
Health.
(NIOSH),
)compression
*.&/!)can
'!)cause
'/ignition.
,!/$/!0
Health
in
ArcO—M
Welding
and
GasN—M
Welding
and
Cutting
™M
J
S
X
YR
PvU
S
TR
P
LJ
P
TIJ
S
TR
P
LJ
P
T’KX
X
R
PL
'-$#,glasses
"'or&.&
5/(eye#.&
$)$/!0
DO use
safety
provide
protection.
Publisher:
Department
~K^
S
R
N
Y
M
U
„ƒM
W
J
U
X
\M
P
XV
J
S
X
Y
}yT
K
O
J
X
R
V
PJ
P
T—M
S[
ofQ™M
Health,
Education
and
Wel
$'!(3/
$%$the
%)cylinder
#"/!(&+
$3!#
&"-'and
!($the
%&regulator
,"'$& Q
DO stand
with
between
yourself
fare,
Public
Health
Service,
National
Institute
J
U
M
}~K^S
R
O™M
J
S
X
Yw
M
U
]R
O
M
}†J
X
R
VPJ
S€
PN
X
R
X
KX
M
a(cylinder
)#"/!(&5valve
'"5outlet
$"$-facing
')/!,'away)
3'#b3%
!opening
.!/!,$the
%)cylinder
#"/!(& V
when
Safety
and
Health,
Robert
A.
Taft
QO
O
KW
J
X
R
V
P
J
Sw
J
Q
M
X
ZJ
P
T™M
J
S
X
Y
}”V
^
M
U
Xv_u
J
Q
X
of
Occupational
5valve.
'"50
Parkway,
Cincinnati,
ŽJ
^
V
U
J
X
V
U
R
M
N
}“
‰
‘
‰’V
S
K\^
R
J~J
U
‡J
Z
}
’R
PO
R
PPJ
X
R
}
Laboratories,
4676
Columbia
&
'(cdef'
-$#g"
"$/!fgh
i6j
#hk"d'
"(/!,
DO read
CGA Safety
Bulletin
SB-8,
Useof-4
Oxy-Fuel
Gasl
Welding
Cutting
Apparatus.
OH 45226
'and
!(c$
$/!,e..'
&'$0
™“
Š||‰
DO NOT stand
behind
pressure
when
12
$'!(/in!-front
&!$of-or&+
%/!($the
%.&
&,gauges
',3%
! UL 404,
Gauges,
Pressure,
Compressed
o“}IJ
KLMN}€Indicating
PTROJXRPL~U
MNNKUM}QforVU’V
\WUMNNMT
pressure
This3/
will
'applying
.."#/!,)cylinder
#"/!(&.&
&$to $the
%&regulator.
,"'$&02%/
""&reduce
() –Ž“
IJ
Nw
M
U
]
R
O
M
Gas
Service
parts
pressure
$the
%.possibility
/+/"/$#of-/injury
!m&#-from
&* -flying
"#/!,.'
&$should
% "($the
%.&
&
Publisher:
Underwriters
Laboratories,
333
~K^
SRNYMU„–PTM
U‡URXMUNŽJ
^VUJXVURMN}€Inc.
PO_(UL),
–Ž}n
nn
element
"*!$'assembly
*+"#&rupture.
.$&0
DO NOT operate
without
protection.
Pfingsten
Road,
Northbrook,
60062-2096
12
.&'$&regulators
,"'$&3/
$% $eye
#.&
$)$/!0
~Q
RPLNXMP”V
JT}†V
UXY^UVV }€ILŽ‰
oo‰|[|o‹‰
I
The edition bearing the latest date of issuance shall
be used.
no
30
by ¤
the
American
Society
Mechanical
Engineers.
Copyright
›œ
žŸ¡¢£©¤¥2006
¦¦§¤̈ž
£¢©¤ª«©
Ÿ¬­®¤̄œ
¬©£ž¤œof°¤±©
¬¢­®¬­²¤³®
¡®©©Ÿ´µ
No
be ¤
made
material
ASME.
¶œŸreproduction
©Ÿœ·¸¬£œ®¤may
«­ž¤̈©
«­·©¤œof°¤£this
¢´¤«­
£©Ÿ­²¤without
¹£¢œ¸£¤written
¹Ÿ££©®¤¬consent
œ®´©®£¤œof°¤ª¯
±³µ
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
NONMANDATORY
APPENDIX
!"
##$%&'C
(SUPPLEMENTAL
)##*$$ *!REQUIREMENTS
$+)%!$$ (
when
the
,The
-./following
011023456supplementary
7881.9.4:;<=<requirements
.>73<.9.4:6.established
6:;?136-.@/for0<4naval
;A;16shipboard
-38?0;<@;application
8813B;:3046shall
-;11;apply
881=2.46specified
8.B3/3.@3in4:
-.Bcontract
04:<;B:0or<
When
this
the
this
8purchase
7<B-;6.0order.
<@.<CD.4:there
-.<.3is6Bconflict
04/13B:?between
.:2..4:the-.6standard
:;4@;<@E(ASME
FGHIJB40.1)
KLCMN;and
4@:
-366supplement,
7881.9.4:O:
-.<requirements
.>73<.9.4:60of/:
-366supplement
7881.9.4:
This
MIL-G-18997,
Gauges,
Dial
6shall
-;11:take
;P.8precedence
<.B.@.4B./for0<.equipment
>7389.4:;acquired
B>73<.@?by=:this
-366supplement.
7881.9.4:C,
-36@document
0B79.4:6supercedes
78.<B.@.6HQ
RSTSMUVVWOT;
75.6OXPressure,
<.667<.OY3
;1
QIndicating,
4@3B;:345O/for0<4new
.26ship
-38Bconstruction.
046:<7B:304C
„¦Ÿ‡'Z[ #
‘Šˆ’ˆ“‡#Pressure
”‡ŠŠ”‡!Range
„†‡‡
Šˆ†„’‘”Š
Positive
Designators
'C-1Z[ (SCOPE
'#$
Table C-1
§¨©ª©«¬6Pressure,
­¬¨¨®­¬¯
This_`
\]^
aabcade ab
_fg^hb_grequirements
bid^gbebcj_kforlgm`
n`o 6Positive
addendum
describes
Naval
lb/in.2
°
±
²
©
³
]
`gabcbapg
b__dgbqgauges
`dqb_kforlgd_
cjthe
]bab
e`ca^cq
hardened
pressure
useb^
in
demanding
marine
basic
benvironment
cn^glcebcjlofke`
g^cb`applications.
ppo^f`j^lc_rMany
s`ctlofkjthe
]bh
`_^f
L¶M·
B40.1
grequirements
bid^gbebcj_lofkASME
uvswxy
zr{`apply,
ppot|however
]l}bnbg_some
lebel
a~
modL¶¸L
L¶¹L
^ified
k^ba`and
cal
aa^j^lc`ogrequirements,
bid^gbebcj_|}]^
f]^include
cfodab
/ org`
additional
which
L¶MLL
}^
j]_j`ca^cq_shock
]lf€`and
ca_salt-water
`oj~}`jbg_spray,
pg`t|`aregb^included.
cfodabar
withstanding
L¶M¹L
0/15
0/30
0/60
0/100
0/160
GENERAL
'C-2Z ‚$
$!*!REQUIREMENTS
$+)%!$$ (
Gauge
'C-2.1
Zƒ[‚„
†‡(Sizes
ˆ‰‡Š
five
nomim`
n`o]hardened
`gabcbaq
`dqb{_`aregbolimited
^e^
jbajtoljthese
]b_bk
^nbc
le^~
Naval
gauges
{^
nal
2 in.,
4/2
in.,
cr|Ž3/2^in.,
cr|y
cr|`and
ca87/2{^in.cr
c
`o_sizes:
^‹b_Œ^
cr|2/2{^in.,
'C-2.2
Zƒ!Ranges
„†‡Š
7Range
´³µ¬Designator
¬¨©µ³´ª§­
M'15P
·X
¸30F’
LX
¹60F’
LX
M1I'1P
-X
M160p
¹LX
º2I'1P
-X
¸3I'1P
-X
K4I'1P
-X
¹6I'1P
-X
U8I'1P
-X
M1kP
PX
M15I'1P
·-X
º2kP
PX
¸3I(P
PX
·5I(P
PX
U8I(P
PX
M1OI<P
LPX
L0/200
¶ºLL
L0/300
¶¸LL
L0/400
¶KLL
L0/600
¶¹LL
L0/800
¶ULL
L0/1,000
¶MOLLL
L0/1,500
¶MO·LL
L0/2,000
¶ºOLLL
L0/3,000
¶¸OLLL
L0/5,000
¶·OLLL
L0/8,000
¶UOLLL
LO/10,000
¶MLOLLL
NOTES:
TI
»I¼FR»½,
IG¾
GENERAL
Gauge
to0L
0/1,000
to0
E(a);NT;
75.8pressure
<.667<.<ranges
;45.6/from
<09L0/15
¶M·:
¶MOLLL;are<.;applicable
8813B;?1.:
?both
0:-6simplex
3981.¿;and
4@@duplex
781.¿3indicators.
4@3B;:0<6C
Gauge
to0L
O/10,000
E(b)?NT;
75.8pressure
<.667<.<ranges
;45.6/from
<09L0/1,500
¶MO·LL:
¶MLOLLL;are<.;applicable
8813B;?1.
:to06simplex
3981.¿0only.
41=C
The following
gauge
with
\]bk
lool}^cqq`
dqbjtypes
tpb_`aregb_shown
]l}c}^
j]jtheir
]b^g
granges
`cqb_`and
cagrespective
b_pbfj^nbgrange
`cqbab
_^qc`jlg_r
designators.
C-1{_
shows
ranges
'C-2.2.1
Zƒƒ[#Positive
‘Šˆ’ˆ“‡#Pressure.
”‡ŠŠ”‡ƒ\Table
`hob•~
]l}_jthe
]bg
`cqb_
`and
cagrange
`cqbab
_^qc`jlg_kforlgqgeneral
bcbg`opdg
pl_bpl
_^j^nbpg
b_~
designators
purpose
positive
pres_sure
dgbqgauges.
`dqb_r
Negative
Pressure.
C-2_
shows
'C-2.2.2
Zƒƒ‡
†„’ˆ“‡#”
‡ŠŠ ”‡ƒ\Table
`hob•~
]l}_jthe
]b
designators
negative
granges
`cqb_`and
cagrange
`cqbab
_^qc`jlg_kforlgcb
q`j^nb–(Vacuum)
n`fdde—
pressure
pg
b__dgbqgauges.
`dqb_r
„¦Ÿ‡'C-2Z ‡
†„’ˆ“‡#Pressure
”‡ŠŠ”‡!Range
„†‡Designators
‡Šˆ†„’‘”Š
Negative
Pressure.
C-3Ž_
shows
'C-2.2.3
Zƒƒ˜'Compound
‘™š‘ ›#”
‡ŠŠ ”‡ƒ\Table
`hob•~
]l}_jthe
]b Table
designators
purpose
granges
`cqb_`and
cagrange
`cqbab
_^qc`jlg_kforlgqgeneral
bcbg`opdg
pl_bfcomle~ 9¬µ´ª©«¬6­¬¨¨®­¬¯
pound
pressure
pl
dcapg
b__dgbqgauges.
`dqb_r
Hg Vacuum
©in.³ÀµÁ
´Â®®Ã
7Range
´³µ¬Designator
¬¨©µ³´ª§­
C-4
'C-2.2.4
Zƒƒœ!Refrigerant
‡”ˆ†‡”„’#Pressure.
”‡ŠŠ ”‡ƒTable
\`hob•~
y_shows
]l}_jthe
]b
V
LO/30
¶¸L
Ä
designators
pressure
granges
`cqb_`and
cagrange
`cqbab
_^qc`jlg_kforlggrefrigerant
bkg^qbg`cjpg
b__dgb
qgauges.
`dqb_r
Pressure.
Caisson
gauges
'C-2.2.7
ZƒƒÅ 'Caisson
„ˆŠŠ‘#”
‡ŠŠ ”‡ƒ•`
^__lcq`
dqb_`aregb
Gauge
A separate
'C-2.2.4.1
Zƒƒœƒ[‚„
†‡(Scale.
ž„Ÿ‡ƒu_
bp`g`jbjtemperature
bepbg`jdgb ^intended
useb^
in
escape
decomcjbcabakforlgd_
c_submarine
dhe`g^cbb
_f`pbjtrunks
gdc€_`and
caab
fle~
degrees
red
printing,
ab
qgbb_Fahrenheit
`]gbc]b^j–(°F)
¡—bequivalent
id^n`obcj_scale
f`ob^incg
bapg
^
c
j
^
c
q
|
pression
chambers.
They
shall
have
a dual
scale
with
pg
b
_
_
^
l
cf
]
`
eh
b
g
_
r\]
b
t_
]
`
o
o]
`
n
b`a
d`
o_
f
`
o
b}^
j]
be
pressure
]`ooh
b jthe
^inc`addition
aa^j^lcjtoljthe
]bpg
b__dgb_scale
f`ob^incolb/in.2,
h^cr|_shall
inner
in
meters
orgk
feet
ofk_
seawater
]b^
ccbg_scale
f`obqgraduated
g`ad`jba^
ceb
j
b
g
_l
b
b
jl
b
`
}`
j
bg
Thebj
type
with
pressure
^included.
cfodabar\]
tpblofkgrefrigerant
bkg^qbg`cjused
d_ba}^
j]jthe
]bpg
b__dgb `and
lb/in.2
Thebq
gauge
case
beb
cajthe
]blouter
djbg_scale
f`ob^inco
h^cr\]
`dqbf
`_b_shall
]`ooh
bebe`
marked
dial
para.
C-2.3.3.2).
qgauge
`dqb_shall
]`ooh
g€baloncjthe
]ba^
`o–(see
_bbp`
g`r•~
rŽrŽr—r lopen
pressure
through
a vent
in
the
botpbcjtoljthe
]b`ambient
eh^bcjpg
b__dgbj
]gldq]`n
bcj^
cj
]bh
lj~
tom
ofkj
the
case.
Thebn
Vent
shall
bebj
threaded
tol`
accept
j
l
e
l
]
bf
`
_
b
r\]
b
c
j_
]
`
o
oh
]
g
b
`
ab
aj
f
f
b
p
j`a
C-5£_
shows
'C-2.2.5
Zƒƒ¢(Suppressed.
šš”‡ŠŠ‡›ƒ\Table
`hob•~
]l}_jthe
]bgrange
`cqb`and
ca {'1/4y^in.crNPT
male
fitting.
Table
C-7Ç_
shows
the
ranges
and
mÆ\e`
o
bk
^
j
j
^
c
q
r
\
`
h
o
b•~
]
l
}_j
]
bg
`
c
q
b
_`
c
a
designator
pressure
grange
`cqbab
_^qc`jlgkforlg_suppressed
dppgb__bapg
b__dgbqgauges.
`dqb_r
designators
pressure
grange
`cqbab
_^qc`jlg_kforlgfcaisson
`^__lcpg
b__dgbqgauges.
`dqb_rFeet
bbj_shall
]`oo
C-6¥_
shows
ranges
range
Onebk
foot
'C-2.2.6
Zƒƒ¤!Retard.
‡’„”›ƒ\Table
`hob•~
]l}_jthe
]bg
`cqb_`and
cag
`cqb ^indicate
ca^f`jbkfeet
bbj–(depth)
abpj]—lofk_seawater.
b`}`jbgrÈc
lljlofk_seawater
b`}`jbg
designators
pressure
0.4453
psi.^
ab
_^qc`jlg_kforlggretard
bj`gapg
b__dgbqgauges.
`dqb_r
_shall
]`oobequal
id`oz
ryy£Žp_
r
Negative Pressure,
[
Ž31{
ÉÊËÌÍÎÏÐÑ ÒÓÔÔÕÒÖÌÒÑÐ×ÒØÙ×ÍÎÚÛÜÒÝÊÚÎ×ÑÌÒÊÞÒß×ÚÐÛÜÎÚÛàÒáÜÏÎÜ××Íâã
äÊÍ×ËÍÊåæÚÑÎÊÜÒÙÛÌÒÖ×ÒÙÛå×ÒÊÞÒÑÐÎâÒÙÛÑ×ÍÎÛàÒçÎÑÐÊæÑÒçÍÎÑÑ×ÜÒÚÊÜâ×ÜÑÒÊÞÒØÝßáã
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
Table
C-3!" Compound
#$%#&'()Pressure
*++&*,Range
'-.Designators
+/-'0#*+
Compound
1231456Pressure
7899478
:Vacuum,
;<442=
;4>8Pressure,
7899478=
Gauge
Hg
?in.57@>
Alb/in.2
BC?57
E30F
F0/15
GHI
E30F
F0/30
GEF
E30F
F0/60
GKF
E30F
F0/100
GHFF
E30F
F0/150
GHIF
E30F
F0/200
GMFF
E30F
F0/300
GEFF
E30F
F0/400
GNFF
E30F
F0/600
GKFF
E30F
F0/800
GOFF
Table
C-7!p Caisson
/++#')Pressure
*++&*,Range
'-.Designators
+/-'0#*+
Caisson
;?9915
— 0/230
F0/1001b/in?
GHFFklGijhMMqF
GMEFrftstdepth
uvsL
— 0/450
F0/200
GMFFklb/in?
lGijhMqF
G
N
I
Fr
uvsL
ftst
depth
— 0/675
GKmIrftstdepth
uvsL
F0/300
GEFFklb/in?
lGijhMqF
— 0/850
F0/380
GEOFklb/in?
lGijhMqF
GOIFrftstdepth
uvsL
— 0/900
GwFFrftstdepth
uvsL
F0/380
GEOFklb/in?
lGijhqF
Designator
Range
;5>88
9?>5;D17
H1hK
L^
M2hK
L^
E3hK
L^
E380K
OF^
N4hK
L^
Range
;5>88
9?>5;D17
Designator
H15C
IJ
E30C
FJ
K60C
FJ
H1hC
LJ
H150C
IFJ
C-2.3
!xy" Construction
#'+0*&z0/#'
M2hC
LJ
E3hC
LJ
C-2.3.1
!
x
y
"
y
{ Case
+
N4hC
LJ
C-2.3.1.1
Design.
Pressure
cases
!xy"y{y{.
+/-'y|}
~€}~gauge
‚€~ƒ
‚~shall
„‚ be
†~
K6hC
LJ
O8hC
LJ
front.
nonsolid
permitted
safety
‚‡~ˆ‰solid
Š‹Œ‡
}ŠˆŽHowever,
Š~‘~}’a‚
ŠŠ‹Œ‡front
}Šˆis‹“
~}”‹ˆˆ~Œ
heli‡forŠ}gauges
‚€~‹
ˆ„~
‚ˆ‹ƒ~
~”~ˆ•Style
ˆ‰~–—
„~‹ƒ‚‚and
Œ„
~‹˜
with
elastic
element
D (helical
ƒcal—spiral
‚˜“‹}‚ ™Š
€}ŒŠˆtube).
€†~šŽ›‚
~‡forŠ}„
‚}Œ~~Œgauges
‚€~
Bourdon
Cases
hardened
mustˆwithstand
demands
a saltwater
”€
‹ˆ„ˆ‚Œˆthe
„~Œ~
”‚ŒŠof‡‚
‚ˆ‚ˆ~}~environment
‘‹}Š”~ˆ
‚

Œ”~
~
ˆ
„
Š
ƒ
œ}
~

€‹
}
~
”~

ˆ

Ž›‚

ˆ‹
}
Š

’”‹
Œsteel
ˆ~~ Š
and
meet
shock
requirements.
Cast
iron,
mild
or}
Table
C-4!P ,Refrigerant
Q*/-*'0)Pressure
*++&*,Range
'-.Designators
+/-'0#*+ “plastic
‚ˆ‹ƒ—(with
‹ˆ„ˆthe
„~~
žƒ~“ˆ‹ŠŠof‡ˆthe
„~‹
ŒŠšshall
„‚ not
Šˆ†
exception
window)
be~
used.
When
per}ASTM
E 26,
€
~ŒŽŸ„
~€used,
~Œ’‚aluminum
€”‹€”“~
•¡¢™o
£’ASTM
•¡¢™¤
¥’
B 85,
;5>89
and
ASTM
‚

Œ
•
¡¢
™o
¦
§
„
‚
†
~“}
Š
ˆ
~
ƒ
ˆ
~
Œ‚

‚
‹


ˆƒ
Š
}
}
Š

‹
Š

Ž
B
209
shall
be
protected
against
corrosion.
;4>8
then
include
air
dry
primer
›‚

~‡
‹

‹

„
„
‚
ˆ
„
~
‹

ƒ
€
Œ~‚
‹
}Œ}
‰“}
‹
”~
}‚

Œ‚
}
‚
‰
Case
finish
shall
and
a
gray
:;<442=
78994M78=
8R7?>87;5D
;5>8
enamel
in
with
‚”~ ‡finish
‹‹„ƒcoat
Š‚ˆ‹
‚accordance
ƒƒŠ}Œ‚ƒ~‹
ˆ„¨FED-STD—595,
©–˜•¡–˜¥§¥’
Hg
Designator
Type
S38
8
9?>5;D17 ~
?in.57@>
Alb/in.2
BC?57
resisting
steel
(CRES)
ƒ
Š
Š
}o
£
n
¦
ª
Ž›Š
}
}
Š

‹
Š
}
~

‹

ˆ
‹


ˆ
~
~
—
›«©•
šshall
„‚ be
†~
color
26307.
Corrosion
EF
FGEF
TUHH
VHH
per}ASTM
“~
•
¡¢
£
ª•
~
}
‹
~
n
¦
¦‚

Œ
•
¡¢
­
ª
n•
~
}
‹
~
n
¦¦
A¬
167
Series
300
and
ASTM
A 473
Series
300
EF
FGHFF
TUHH
WHH
when
used.
Cases
shall
be
interchangeable
for
mounting
„
~
€
~
ŒŽ
›‚

~

„
‚
†
~‹

ˆ
~
}
ƒ
„
‚


~
‚
†
~‡
Š
}”Š
€

ˆ
‹


EF
FGHIF
TUHH
JHH
with
the
case
shown
in
Fig.
C-1.
Dimensions
“€
}
“Š

~
‹
ˆ
„ˆ
„
~ƒ
‚

~
„
Š
‹
¨
‹

Ž
›˜
¬
Ž
–‹
”~


‹
Š


purposes
EF
FGEFF
TUHH
XHH
A3,
A4,
A8,
A10,
A15,
and
A17
shall
be
critical
dimenn
’
­
’
¤
’
¬
¦
’
¬
¥
’
‚

Œ
¬
ª
„
‚
†
~ƒ
}
‹
ˆ
‹
ƒ
‚
Œ‹
”~

˜
EF
FGHFF
TUHM
YHM
sions
and
shall
be
in
accordance
with
Fig.
C-1.

‹
Š

‚

Œ
„
‚
†
~‹
‚
ƒ
ƒ
Š
}
Œ‚

ƒ
~‹
ˆ
„¨
‹

Ž
›˜
¬
Ž
EF
FGHIF
TUHM
ZHM
EF
FGEFF
TUHM
[HM
mounting
C-2.3.1.2
Mounting.
!xy"y{yx®#
&'0/'-y¨Flush
€„”Š
€ˆ‹œkits
‹ˆshall
„‚ be†~
EF
FGHIF
TUMM
\MM
provided
with
all
pressure
gauges.
Material
shall
“}
Š
‘
‹
Œ~
Œ‹
ˆ
„‚
“}
~


€
}
~
‚
€

~

Ž¢‚
ˆ
~
}
‹
‚

„
‚ be
†~
EF
FGEFF
TUMM
]MM
may
be
used
for
the
ring
and
clamping
›«©•~
ž
ƒ
~
“ˆ

ˆ
~
~
”‚
‰†
~€
~
Œ‡
Š
}
ˆ
„
~}
‹

‚

Œƒ
‚
”“
‹


CRES
except
steel
EF
FGEF
TUHHN
^HN
ring.
The
maximum
flush
}
‹
Ž¡„~”‚
ž
‹
”€”
Š€ˆ

‹
Œ~Œ‹
‚
”~
ˆ
~
}Š
‡ˆ
„~‡
€
„
outside
diameter
of
the
EF
FGHFF
TUHHN
_HN
EF
FGHIF
TUHENV
`EN
mounting
rings
the
panel
by
noŠ”Š
more
”Š
€ˆ‹}
‹shall
„‚ Šoverlap
‘~}‚“ˆ
„~“‚
~hole
„Š~†
‰
}~
EF
FGEFF
TUHENV
aEN
ˆthan
„‚¦0.25
Žo¥‹in.Ž
C-2.3.2
Other
!xy"yx¯Internal
'0*'and'(°0
±*)Parts
*0+
C-2.3.2.1
Welding
Nicrobrazing.
µˆ~}‚ pres“}~˜
!xy"yxy{²
(/'-#or*³/
z*#*´/'-yInternal
containing
parts
welding
sure
€}~ƒ
Šˆ‚‹‹“‚
}ˆshall
„‚ be†~¶Šoinedby
‹~Œ†‰~
Œ‹Šor}nicro‹ƒ}Š˜
Table
Suppressed
C-5!b c
&%%*++()Pressure
*++&*,Range
'-
brazing.
†}‚·‹Ž
.Designators
+/-'0#*+
Materials.
C-2.3.2.2
parts
shall
nickel!xy"yxyx®
0*/+yWetted
Ÿ~ˆˆ~Œ“
‚}ˆ
„‚ be
†~
‹ƒœ~˜
1Suppressed
433789986Pressure
7899478
copper
parts
include
part
Š““~}‚alloys.
Š‰ŽWetted
Ÿ~ˆˆ~Œ“‚
}ˆ‹
ƒ€Œ~‚any
‰“‚
}ˆthat
ˆ„‚ˆcomes
ƒŠ”~
Designator
Range,
;5>8=Alb/in.2
BC?57
Range
;5>88
9?>5;D17 ƒ
with
measured
Bourdon
‹inƒContact
Šˆ‚ƒˆ‹
ˆ„ˆthe
„~”~
‚€}~Œ‡fluid,
€‹Œ’e.g.,
~ŽŽ’™Š
€}ŒŠˆtube,
€†~’
HdFFFGHdIFF
e
C-2),
stem,
ˆ~”’ˆtail
‚‹piece
“‹~ƒ~—(see
~~¨Fig.
‹Ž›˜
oš’~etc.ˆƒŽMaterials
¢‚ˆ~}‹‚}readily
~‚Œ‹‰sus€˜
water
damage
example,
ƒceptible
~“ˆ‹†~ˆtoŠsea~‚‚
ˆ~}ƒcorrosion
Š}}Š‹ŠŒ‚
”‚~—(for
‡Š}~
ž‚”“~’
brass,
†}‚’‚aluminum,
€”‹€”’beryllium
†~}‰ ‹€”ƒcopper,
Š““~}’mild
”‹Œsteel)
ˆ~~šshall
„‚ not
Šˆ
be
used
fasteners
washers.
†~€
~Œ‡forŠ}ˆthreaded
„}~‚Œ~Œ‡
‚ˆ~~}Šor}‚
„~}Ž
O-Ring.
O-rings
fluorocarbon
!xy"yxy"°!
,/'-y¸˜
}‹shall
„‚ be
†~‡
€Š}Šƒ‚}†Š
C-2.3.2.3
Table
C-6!f ,Retard
0*()Pressure
*++&*,Range
'-.Designators
+/-'0#*+ }rubber
in
accordance
with
SAE—AMS
7259,
hardness
of‡
۠
†
~
}‹
‚
ƒ
ƒ
Š
}
Œ‚

ƒ
~‹
ˆ
„•
©˜
¢•ª
o
¥
§
’
„‚}Œ~Š
Retard
8D;76
85
to
95
Durameter.
¤
¥ˆ
Š§
¥–€}
‚
”~
ˆ
~
}
Ž
;4>8
C-2.3.3
Dials.
Dials
designed
damage
!xy"y"./
+y–‹
‚shall
„‚ be
†~Œ~
‹~ŒˆtoŠ}resist
~‹ˆŒ‚
”‚~
:;<442= 7899478=
;5>8 ‡
from
}
Š
”
ƒ
Š
}
}
Š

‹
Š

Ž
corrosion.
Hg
Designator
3Expanded
g3;5686Portion
17D?15 8
9?>5;D17
?in.57@>
Alb/in.’
BC?57
C-2.3.3.1
Units.
units
for
gauges
!xy"y"y{¹'
/0+yThe
¡„~standard
ˆ‚Œ‚}Œ€
‹ˆ‡
Š}
‚€~shall
„‚
hhh
FGEF
FGHF
T
H
be
Customary
(English).
Dual
scale
(Customary
and
SI)
†
~›€
ˆ
Š
”‚
}
‰—
©

‹

„
š
Ž
–€‚

ƒ
‚
~—
›€

ˆ
Š
”‚
}
‰‚

Υ
µš
E30F
F0/30
GEF
E30Fiin.jhF0/5GIklb/in?
lGijhMM
TR2M
may
be
used
on
all
gauges
except
for
Caisson
(see
para.
”‚
‰†
~€
~
ŒŠ
‚

‚
€
~
~
ž
ƒ
~
“ˆ
‡
Š
}›‚
‹


Š
—

~
~“
‚
}
‚
Ž
TR3E
E30F
F0/150
GHIF
E30Fiin.jhF0/75
GmIklb/in?
lGijh
C-2.2.7)
Refrigeration
para.
C-2.2.4),
order
›˜
oŽoŽªš‚and
Œ«~
‡}‹~}‚ˆ‹Š—(see
~~“
‚}‚Ž›˜
oŽoŽ­š’‹inŠ
}Œ~}
Ranges
Gauge
Vacuum,
Pressure,
Refrigerant
30
30
0/30
0/100
R-11
R-11
A11
B11
30
0/150
R-11
C11
30
30
0/300
0/100
R-11
R-12
D11
E12
30
30
0/150
0/300
R-12
R-12
F12
G12
30
30
0/150
0/300
R-22
R-22
H22
J22
30
30
0/30
0/100
R-114
R-114
K14
L14
30
30
0/150
0/300
R-134A
R-134A
M34
N34
1,000/1,500
Vacuum,
Gauge
Pressure,
. .
0/30
Range
S
Range
0/10
[
R1
no
32
American
Mechanical
Engineers.
Copyright
º»
¼½¾¿ÀÁ©ÃÄ2006
ÅÅÆÃÇby½Ãthe
ÂÁÈÃÉÊÈ
¾¿ËÌÍÃÎSociety
»Ë¿È½ûofÏÃÐÈ
ËÁÌÍ¿ËÌÑÃÒÍ
À¿ÍÈȾÓÔ
No
material
ASME.
Õ»¾reproduction
ȼ¾»Ö×Ë¿»ÍÃmay
Ê̽ÃÇbeÈÃmade
ÊÌÖÈûofÏÃÂthis
Á¿ÓÃÊÌ
ÂȾ¿ÌÑÃwithout
Ø¿ÂÁ»×ÂÃwritten
ؾ¿ÂÂÈÍÃËconsent
»ÍÓÈÍÂûofÏÃÉÎ
ÐÒÔ
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
E%0
'$
Hole
A10
$$.(3$/0
!"'-1
places)
/
143
ASME B40.100-2005
*3
/-GT
120deg
H$+'I
I
J
A15
A1
/
_
_
\
_
I
_
T
.\
—<+>~
//
A17
!"# I
0('F&!(' _—_—;_— $Back
$
"
%&&'"()%&
connection
$G%(
(%4
bottom
—|
3 $
$$"connection
%&&'"()%&—\
/’
\
*(
!&+%,,Standoffs
$$.(optional)
%/()%&!01
Alternate
A
—
—
*3:
if
‘ ___/
Bottom
%((%4
$$"connection
%&&'"()%&/
—>A
2
<j A30—>
Elevation
Side
View
<Front
=>?@9AB
8CD@6>?
56
789:6
8;
— 0.1
1 0.01
1 0.1
+ 0.000
4Size/DIM
KLMN 8 A1O
A1
1P
Q
A3
1RO
R A4
1O
R A8
1SO
A10
1O
A15
1O
A17
1TO
A30
1R
1 0.3
1 0.3
1 0.1
1 0.015
1 0.050
— 4.0
U31/2VVWX
Y4.75
Z[\
U3.97
Z][
V1.2ZX
U3.2ZX
V1.0Z^
^0.22
ZXX
Y4.25
ZX\
V1.063
Z^_U X2.54
Z\Y`Y
Z^
— 4.0
\5.80
Za^
\5.00
Z^^
V1.2ZX
U3.8Za
V1.0Z^
^0.22
ZXX
\5.375
ZU[\
V1.625
Z_X\ X2.54
Z\Y`Y
Z
^
Y41/2VWX
— 4.0
a81/2WX V10.25
^ZX\
a8.97
Z][
V1.2ZX
\5.8Za
V1.0Z^
^0.28
ZXa
]9.625
Z_X\
U3.625
Z_X\ X2.54
Z\Y`Y
Z^
GENERAL
NOTES:
bc
dcefgdhi
cjk
mounting,
l(a)mnoForpqrflush
stVuvwp
txyVz\x{|ustandard
ymx}mq}~panel
mxsvhole
ps}diameters
zmwyqumare:
qk
W
U31/.VWXe Y415/32
U
X
V]W
Y41/.VWX—> \5”/32
UX
X]W
a81/2WXe ]9”/32
UX
Dimensions
l(b)€nz
wxuzpxumareqzinxzinches.
x‚vuZ
ƒFig.
„†‡C-1ˆ‰ ‡Case
Š‹ŒDesign
Œ‹„Ž
pointers
be’–—
a nonpermit
units.
Refrigeration
to‘’
“”•transition
“–—˜••—to™SIš›—
•˜œ’
ž“•Ÿ’“–•—Ÿgauges
–›Ÿ’˜ ‡C-2.3.4
ˆ§†¨†ÇÈPointer.
ɄŽÊŒª†šIndicating
—£•®–•—Ÿ‘
•—’“˜˜shall
–¤¤¢
—½
both
pressure
that–˜show
¡¢
 temperature
’”‘’“–›“’–and
—£‘“
’˜˜›“’“readings
’–£•—Ÿ˜˜shall
–¤¤ “reflective
black
with
background
dials
or“¡
white
’ž¤’®•¹’¢
¤–®­¡•
 white
¡ •’¢
–®­Ÿ“›—££•
–¤˜
•’
units
›˜
”–“¦›—
•˜žfor““readability.
’–£–¢•¤•¦œ
use’¥›˜
Customary
dials
pointer
black
backgrounds.
index
¡when
’—£•
–¤˜have
–¹’¢
¤–®­¢
–®­Ÿ“›—£˜œThe
Ë ’•
—£’Ì‘
•—’“
be’–—
a nonreflective
red
be’˜
set
˜shall
–¤¤¢
—“’ž¤’®•¹’“
’£–and
—£˜shall
–¤¤¢
’off—scale
žž½˜®–¤’
Markings.
Dial
markings
‡C-2.3.3.2
ˆ§†¨†¨†§©Š
ª«„Ž ‹†¬•
–¤”–
“­•—Ÿ˜˜shall
–¤¤•include
—®¤›£’ prior
to£’
delivery.
Duplex
indicator
pointers
shall
be’
‘“
•

“
¤
•
¹’
“
¦
œ
¬›‘¤
’
̕
—£•
®
–


“‘
•
—

’
“
˜˜
–¤¤¢
manufacturer
name
both)
¯(61)°±the’”–
—›ž–®›“’“²'s˜—
–”’or“trademark
“–£’”–“­³(or“¢
´ orange
green
(right).
(left)
and
“
–
—
Ÿ
’³
¤
’
ž

´–
—
£Ÿ
“
’
’
—³
“
•
Ÿ

´
œ
Government
Entity)
code
¯(19)µ±¥¶·¸³
¥””’“®•–¤–and
—£·
¹’“—”’—¸—
•¦´®
£’
CAGE (Commercial
Part
Number
para.
C-6.2.1)
¯(C)º±»–
“šIdentifying
£’—•ž¦•—Ÿ¼›”¢
’“³(PIN)
»š¼´³(see
˜’’‘
–“–œ¥½
¾œ¿œÀ´ ‡C-2.3.5
pressure
ˆ§†¨†ÍÈPressure
ªŒ‹‹ÎªŒ‡Connection.
ɎŽŒÏʄɎ†The
Ë ’‘“
’˜˜›“’®connec——’®½
Number),
¯(d)Á±¼™
¼³(National
¼–•—–¤™Stock
®­¼›”¢
’“´Âif•ž–assigned
˜˜•Ÿ—’£
NSN
tion
shall
be
in
accordance
with
Table
C-8.
The
O-ring

•

—˜
–
¤
¤¢
’•
—–
®
®

“
£–
—
®
’¡•

Ë
–
¢
¤
’¥½
Ð
œ
Ë
’ѽ
“•—Ÿ
units
¯(5)ñ˜scale
®–¤’Ÿgraduations,
“–£›–•—˜Â—numerals,
›”’“–¤˜Â–and
—£›—
•˜ofžŸgradua“–£›–½ ›—
union
connection
(see
Figs.
C-2
and
C-3)
shall
be
sup•

—®

—
—
’
®

•

—³
˜
’
’Ò
•
Ÿ
˜
œ¥½
¿–
—
£¥½
Æ
´˜
–
¤
¤¢
’˜
›‘½
tions
•—˜
plied
unless
otherwise
specified
and
shall
include
the’
•’£›—¤’˜˜’“¡•˜’˜‘’®•ž•’£–—£˜–¤¤•—®¤›£’
¯(f)ı“refrigerant
’ž“•Ÿ’“–—Ÿgauges
–›Ÿ’˜˜shall
–¤¤•include
—®¤›£’the’type
¦‘’“refriger’ž“•Ÿ’“½ ‘¤
O-ring.
end,
union
nut,
piece,
threaded
“’–£’£’
—£Â›—
•——
›Âtail
–•¤‘•
’®’Âand
–—£Ñ½
“•—Ÿœ
–ant—–and
—£–applicable
‘‘¤•®–¢¤’temperature
’”‘’“–›“’’equivalent
ś•¹–¤’—˜scale
®–¤’
ÆÆ
American
Mechanical
Engineers.
Copyright
ÓÔ
ÕÖ×ØÙÚÛ©ÜÝ2006
ÞÞßÜàbyÖÜthe
ÛÚáÜâãá
×ØäåæÜçSociety
ÔäØáÛÖÜÔofèÜéá
äÚåæØäåêÜëæ
ÙØæáá×ìí
No
material
ASME.
îÔ×reproduction
áÕ×ÔïðäÛØÔæÜmay
ãåÖÜàbeáÜmade
ãåïáÜÔofèÜÛthis
ÚØìÜãå
Ûá×ØåêÜwithout
ñØÛÚÔðÛÜwritten
ñ×ØÛÛáæÜäconsent
ÔæìáæÛÜÔofèÜâç
éëí
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
_>
‘_
TIR
<11—X—0.003
<!@!5A
B
4- 7/16
=<?—>
<
—>
0.140:8'888
<'!4- ()
,$-.
See)*+
O-ring
!@!
groove
d 1
=
.,
//0)#)
%$2
0_o70:g_ggg
!
0.316
<? 4_
#$
%&
dia"‘-
l
0.497_o_Q03
'"!+o.0oo
m
0-252
34- 3igfggg
!
m'
#$%&
o.39o:8;88§
"
(
#$
%&
diam.
OPQGRSIMKNFGH
l
%&
diam.
O.093’_'0_000
"!#$
=<?
4;&%C
l @
0.252,
343D0.093,
"D0.316,
<?D0.497,
'"D0.003
TIR
5AB
Tail
Piece
Detail
EFGHIJG
KLKIMK
NFGH
0.003
'
4!'
+o.oso:3.—s3s
#$%&
#).. +‘
deg:5
45 #)
.!4#)
dgg
1>9
M,
62
3
lo.o9o:g-335»
"!I4
=3;H
<4 <‘/32
0 d
56,)%#)#)-#
\
nut
7-$
/--81
Union
X
Tail
piece
5%$29$):)
3
Threaded end
E
diargf’-°°3
<?!
#$
*+
,$-. %&
O-ring
O-Ring
Union
Assembly
OP
QGRSITRG
URIVW
WKXYHZ
GENERAL
NOTE:
Dimensions
^_
`_abc`de
_fgh
ijklhmklnareojhinkhinches.
kpqjlr
C
!3
i_
4;
O-Ring
Groove
Detail
OP
QGRSI[\
UU]KIMK
NFGH
0-Ring
Union
Assembly
sFig.
tuvwC-2xy zx
{t|u}|
t~|
€€‚ƒ„
†‡
34
American
Mechanical
Copyright
ˆ‰
Š‹ŒŽ©‘’2006
““”‘•by‹‘the
–‘—˜–
Œ™š›‘œSociety
‰™–‹‘‰of‘ž–
™š›™šŸ‘Engineers.
›Ž›––Œ¡¢ 9%
No
material
ASME.
£‰Œreproduction
–ŠŒ‰¤¥™‰›‘may
˜š‹‘•be–‘made
˜š¤–‘‰of‘this
¡‘˜š
–ŒšŸ‘without
¦‰¥‘written
¦Œ–›‘™consent
‰›¡–›‘‰of‘—œ
ž ¢ 53'
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
Table
C-8!" #Pressure
$%%&$Connection
'(()*+'(,Requirements
-&+$.(*%and
(/0
11+)*+'(%
Applications
6Pressure
2344523Connection
677389:67
O-ring
?@
ABCDEunion
CBFC
Taper
]
TW[AWpipe
BW[Ythread
^A[TU_(male)
`TV[a
CQZYtubing,
ElBCDZ
MFlareless
VTA[V[PP_(bite
lBY[Ytype)
mW[aI1/4HbBin.,
J6,000
ZiiiWpsiPB
G9/16
UNF-3A
HIJKLM
@NO
I1/4H
in.
NPT]
CQI18cLd
bB
;23<=4
7Reference
3>323783
MFigs.
BDPQRC-2@STandCURC-3@N
ASME
OefghB1.20.1
IQSiQI
n7/16
UNF-2A
HIJBin.CQS20iKLM
@SO
J 1926
eSAE
OgoI
GSJ
Threads
8Intended
7937=3=24
Use3
MForFATallVVTapplications,
WWVBXTYBFCPZ
[except
\X[WYCnuclear
EXV[TA
MForFAEuseP[BinCPstem-mounted
Y[`@`FECY[U
with
Wpressure
A[PPEA[Dgauges
TED[PjB
Y^
Aranges
TCD[Pi0/100
kIiiVlb/in.2
lkBCQS
ForAlbelow
[VFj
MForFACnuclear
EXV[TATapplications
WWVBXTYBFCP
Allyitems
C-2.3.5.1
C-9}y
lists
!pqrqsqtuLocation.
')*+'(qvTable
wxyz{|
~€€the
z‚four
ƒ„ †possible
ƒ~xyz C-4.1.1
!»qtqt,Responsibility
%1'(%+++*Š‹for'$Compliance.
'.1+()qœy
~€z›shall
wyy
meet
C-5.
‡connection
ƒˆˆz‡€~ƒˆylocations.
ƒ‡w€~ƒˆ‰
›z
z€wallyyrequirements
zµ„~z›zˆ€ƒof‚section
z‡€~ƒˆ{|
º‰The
vz~
ˆ†z‡€~ƒˆ
z€
inspection
set
forth
in
this
specification
‚
ƒ
€
~
ˆ€

~

†
z
‡
~
‚
~
‡
w
€
~
ƒ
ˆ

w
y
yx
z
‡
ƒ
›zw†w

z
shall
become
a part€ƒ
of‚€
the
!pqrqsqpType
Š1'of‹Connection.
'(()*+'(qv
zwŒshall
wyyx
ˆ ›w
C-2.3.5.2
Threads
bez~
in
ˆ
„‚
w
‡
€
„
z
À
°
z
w
y
y
~
ˆ

†z
‡
€
~
ƒ
ˆ
´

€
z
›ƒ
„w
y
~
€
´†
ƒ
|
manufacturer
’sƒ
overall
inspection
system
or µ
quality
prowith
C-8.
bez
waccordance
‡‡ƒŒwˆ‡z~
€vTable
wxyz{|
Ž‰vTapered
w†zzŒ€threads
zwŒshall
wyynot
ˆƒ€x
gram.
Thezw
absence
of‚w
any
inspection
requirements
in
”
w
›‰v
x

z
ˆ
‡
zƒ
ˆ
´~
ˆ

†
z
‡
€
~
ƒ
ˆ
z
µ
„~
z
›z
ˆ
€
~
ˆ
‘
2 in.
dial
ˆ‰’Œ~
wysizes
~“z‚forƒ ranges
wˆ”z €this
„
zŒzexcept
‡z†€ƒ
ˆ~
ˆ‰wand
ˆŒ2]/2~in.,
used
on
~specification
†z‡~‚~‡w€~ƒˆshall
wyyˆ
ƒ€relieve
zy~z°z€the
z›w
ˆ„‚w‡€„z ofƒ‚
not
manufacturer
•0/100
–‘••ylb/in.2
x–~ˆ‰ƒor below.
xzyƒ‰
€the
zresponsibility
z†ƒˆ~x~y~€´ƒof‚wassuring
„~ˆ”€that
w€w
yy†
ƒŒ„‡€ƒor sup„†|
all
products
toƒ€
the
purchaser
acceptance
†y~zsubmitted
„x›~€€zŒ€
z†„
‡wz ‚forƒ w
‡‡z†€wˆ‡z‡
ƒ›†ý
comply
C-2.3.6
Windows.
Windows
bez‚
fabricated
!pqrq—˜+
(/'™%qš~
ˆŒƒshall
wyyx
wx~‡w€zŒ‚from
ƒ› plies
inspec~€wallyyrequirements
zµ„~z›zˆ€ƒof‚€the
z‡
ƒˆ€w‡€‰Sampling
w›†y~ˆ”~
ˆ†z‡|
contract.
scratch—resistant
‡w€‡|z~€wˆ€€thermoplastic
z›ƒ†yw€~‡~inˆwaccordance
‡‡ƒŒwˆ‡z~
€ with
with
€tion,
~ƒˆ’was†w
z›w
ˆ„‚w‡€„ ~ˆ”ƒoperations,
†zw€~ƒˆ’~
ˆ
part€ƒ
of‚€
the
manufacturing
isw
an
œ
vž ŸD 788.
ŽŽ‰
ASTM
acceptable
practice
to
ascertain
conformance
to
requirew
‡
‡
z
†
€
w
x
y
z†
w
‡
€
~
‡
z€
ƒw

‡
z
€
w
~
ˆ‡
ƒ
ˆ
‚
ƒ
›w
ˆ
‡
z€
ƒ
z
µ
„~
z
|
C-2.3.7
Gauges
!pqrq¡¢
£+.&. ¤Stop.
*'1q¥w
„”zshall
wyy~incorporate
ˆ‡ƒ†ƒw€zwa ›z
Maximum
ments,
however
this
does
not
authorize
submission
of‚
ˆ
€

’
ƒ
z
°
z
€

~
Œƒ
z
ˆ
ƒ
€w
„€

ƒ
~
“
z
„
x
›~


~
ƒ
ˆƒ
maximum
›w
~›„› stop
€ƒ†¦(see
zz†
ww‰§3.3.7.1).
‰§‰‰‘¨‰
para.
¹known
ˆƒˆŒz
‚z‡€~°z›w
€z~wy’zeither
~€z ~indicated
ˆŒ~‡w€zŒƒ
w‡€„wy’
defective
material,
or actual,
nor
does
purchaser
defective
ˆƒ Œƒ
z~it€‡commit
ƒ››~€€the
z†„
‡wz €toƒwaccept
‡‡z†€Œz
‚z‡€~°z
material.
›w
€z~wy‰
AND
!r CLEANLINESS
u©0ªu«ª©¤¤0
ª¬#PACKAGING
0 ­0®«ª®
C-3
!»qp %%+‹+)*+'('‹«(%1)*+'(%
C-4.2.1
Qualification
!»qpqt Á&
+‹+)*+'(«Inspection.
(%1)*+'(qQualification
„wy~‚~‡w€~ƒˆ
¯w
°wyhardened
wŒzˆzŒ”gauges
w„”zshall
wyy›z
z€{y
zwˆy~ˆz±z
°zy ~inspection
Naval
meet
Cleanliness
Level
bez†z
performed
and
passed
prior
proˆ†z‡€~ƒˆshall
wyyx
‚ƒ›zŒw
ˆŒ†w
zΠ
~ƒ €toƒ†
ƒ|
!rqt˜**/#$*% (+(%%
C-4.2 Classification of Inspections
C-3.1 Wetted Parts Cleanliness
²IV³¦(see
zzvTable
wxyz2)¨‚forƒ wallyywapplications
††y~‡w€~ƒˆzexcept
‡z†€‚forƒ ƒoxygen
´”zˆ Œduction.
„‡€~ƒˆ‰Â„w
y~‚~‡w€~ƒˆ~inspection
ˆ†z‡€~ƒˆshall
wyybexz†z
‚ƒ›zŒƒonˆ
Qualification
performed
para.
C-7.8).
Naval
pressure
service
z°~‡z¦(see
zz†w
w‰{|
‰Ž¨‰¯w
°wy†
z„z”gauges
w„”z¦(espez†z| samples
which
have
been
produced
with
equipment
w
ݠy
z

~
‡

w
°
zx
z
z
ˆ†
ƒ
Œ
„
‡
z
Œ~
€
z
µ
„~
†
›zˆ€wand
ˆŒ
‡cially
~wyy´€the
zz
€€zŒ†w
۬shall
wyybe
xz‚freezzƒof‚yloose
ƒƒzscale,
‡wyz’rust,
„€’ procedures
wetted
parts)
normally
used
in
production
and
shall
con†
ƒ
‡
z
Œ
„
z
ˆ
ƒ
›w
y
ý„
z
Œ~
ˆ†
ƒ
Œ
„‡
€
~
ƒ
ˆw
ˆ
Œ

w
y
y
‡
ƒ
ˆ|
mercury,
liquids,
”grit,~€’‚filings,
~y~ˆ”’›z
‡„´’‡calibration
wy~xw€~ƒˆy
~µ„~Œ’ƒoil,~y’”grease,
zwz’solƒy| sist
of‚€
the
examination
and
tests
specified
in
Table
C-10.
~

€
ƒ

zz

w
›~
ˆ
w
€
~
ƒ
ˆw
ˆ
Œ€
z

€

†
z
‡
~
‚
~
z
Œ~
ˆv
w
x
y
z{|
‘
•‰
vents,
materials.
°
zˆ€’wand
ˆŒƒother
€z ƒorganic
”wˆ~‡›w
€z~wy‰
C-4.2.1.1
design,
!»qpqtqt¤Sample
.1¤Size.
+ÃqTwo
vƒ”gauges
w„”zƒof‚zeach
w‡Œz
~”ˆ’

~
“
z
’
w
ˆ
”
z
’
w
ˆ
Œz
y
w

€
~
‡z
y
z
›z
ˆ
€
€
´
y
z

w
y
yx
z
„x
Ä
z
‡€zŒ
size,
range,
and
elastic
element
style
shall
be
subjected
C-3.2
!rqp#Packaging
)¶·+(·
toƒ€
the
qualification
inspection.
€

zµ
„
w
y
~
‚
~
‡
w
€
~
ƒ
ˆ~
ˆ

†
z
‡
€
~
ƒ
ˆ
‰
¸ˆ
yzspecial
†z‡~wypackaging
†w‡¹w”~ˆ”~isspecified,
†z‡~‚~zŒ’”gauges
w„”zshall
wyybexz C-4.2.2
Unless
!»qpqp Conformance
'(‹'$.()«Inspection.
(%1)*+'(qConformance
{ƒˆ‚ƒ ›wˆ‡z
bagged
boxed
with
ASTM
D 3951.
xw””zŒwand
ˆŒx
ƒzŒ~inˆwaccordance
‡‡ƒŒwˆ‡z~
€œ
vž Ÿ§
}º‘‰ ~inspection
bez†z
performed
at€€
the
place
of‚›w
manufacˆ†z‡€~ƒˆshall
wyyx
‚ƒ›zŒw
z†
yw‡zƒ
ˆ„‚w‡|
Each
bez
subjected
conformance
€ture.
„z‰¿w
‡”gauge
w„”zshall
wyyx
„xÄz‡€zŒ€toƒ‡
ƒˆ‚ƒ›wˆ‡z
which
C-4
examination
tests
!» VERIFICATION
¼©,«½«0«¾ª
~inspection
ˆ†z‡€~ƒˆ
~‡‡consists
ƒˆ~€ƒof‚€the
zz
w›~ˆw€~ƒˆwand
ˆŒ€
z€
in
Table
specified
C-10.

†
z
‡
~
‚
~
z
Œ~
ˆv
w
x
y
z{|
‘
•
‰
!»qt,Responsibility
%1'(%+++*Š‹for'$«Inspection
(%1)*+'(
C-4.1
C-4.2.3
Acceptance
sample
fails
!»qpqr0
))1*()Criteria.
$+*$+q²If‚wany
ˆ´”gauge
w„”z
w›†yz‚
w~y
Unless
¸ˆ
yzƒotherwise
€z~zspecified
†z‡~‚~zŒ~inˆ€the
z‡contract
ƒˆ€w‡€ƒor purchase
†„‡wz €toƒ›z
meet
conformance
of‚
z€€the
z‡
ƒˆ‚ƒ›wˆ‡z~inspection
ˆ†z‡€~ƒˆrequirements
zµ„~z›zˆ€ƒ
manufacturer
performƒorder,
Œz’€the
z›w
ˆ„‚w‡€„z ~isresponsible
z†ƒˆ~xyz‚forƒ €the
z†z
‚ƒ›| vTable
C-10,
until
manuwxyz{|
‘•’no
ˆƒ”gauges
w„”zshall
wyybe
xzwaccepted
‡‡z†€zŒ„ˆ
€~y€the
z›w
ˆ„|
herein.
wance
ˆ‡zƒof‚wallyy~inspection
ˆ†z‡€~ƒˆrequirements
zµ„~z›zˆ€wasspecified
†z‡~‚~zŒ
zz~ˆ‰ ‚facturer
determined
cause
defect
has
w‡€„z has
wŒz
€z›~ˆzŒ€the
z‡
w„zƒof‚€the
zŒz
‚z‡€wand
ˆŒ
w
Except
¿
‡z†€wasƒotherwise
€z~zspecified
†z‡~‚~zŒ~inˆ€the
z‡contract
ƒˆ€w‡€ƒor purchase
†„‡wz €taken
necessary
correct
or z
eliminate
the
w¹zˆ€the
zˆ
z‡zw´waction
‡€~ƒˆ€toƒ‡
ƒ z‡€ƒ
y~›~ˆw€z€
z
manufacturer
usez
his
ƒorder,
Œz’€the
z›w
ˆ„‚w‡€„z may
›w´„
~ƒown
ˆƒor wany
ˆ´ƒother
€z Œz
defect
in
lot.
Thez‚
failed
‚z‡€‚from
ƒ› zeach
w‡”gauge
w„”z~
ˆ€the
zy
ƒ€‰v
w~yzŒ€test
z€shall
wyy
performance
inspection
‚facilities
w‡~y~€~zsuitable
„~€wxyz‚forƒ €the
z†z
‚ƒ›wˆ‡zƒof‚€the
z~
ˆ†z‡€~ƒˆ bexzrepeated
demonstrate
z†zw€zŒ€toƒŒz
›ƒˆ€w€z€that
w€€the
z‡corrective
ƒ z‡€~°zwaction
‡€~ƒˆ
requirements
herein,
disapproved
by
zµ„~z›zˆ€specified
†z‡~‚~zŒ
zz~ˆ’„unless
ˆyzŒ~
w††ƒ°zŒx
´ ~
will
conform
yyzenable
ˆwxyz€the
z”gauges
w„”z€toƒ‡
ƒˆ‚ƒ› €toƒ€the
zrequirements
zµ„~z›zˆ€
purchaser.
Thez†„
purchaser
per-| ƒ
€the
z†„
‡wz‰v
‡wz reserves
zz°z€the
zright
~”€€toƒ†z
of‚€
this
In
previous
~specification.
†z‡~‚~‡w€~ƒˆ‰²
ˆwaddition,
ŒŒ~€~ƒˆ’the
€zresults
z„y€ƒof‚†
z°~ƒ„
in
‚form
ƒ› wany
ˆ´ƒof‚€the
z~inspections
ˆ†z‡€~ƒˆsetz€‚forth
ƒ€~
ˆ€the
zstandard
€wˆŒwŒ €tests
may
bezŒz
deemed
invalid,
unless
the
manufacturer
z€›w
´x
z›zŒ~
ˆ°wy~Œ’„ˆ
yz€
z›w
ˆ„‚w‡€„z
where
deemed
purchaser

zzsuch
„‡~inspections
ˆ†z‡€~ƒˆwarezŒz
z›zŒˆnecessary
z‡zw´€toƒzensure
ˆ„z ‡can
prove
wˆ†
ƒ°z€toƒ€the
zsatisfaction
w€~‚w‡€~ƒˆƒof‚€the
z†
„‡wz €that
w€such
„‡
supplies
㠠y~zwand
ˆŒservices
z°~‡z‡conform
ƒˆ‚ƒ› €toƒ†prescribed
z‡~xzŒ requirezµ„~z| €test
would
not
bezw
adversely
impacted
by
z€ƒ
„yŒˆ
ƒ€x
Œ°zzý~
›†w‡€zŒx
´€the
z‡corrective
ƒ z‡€~°z
ments.
›z
ˆ€‰
waction.
‡€~ƒˆ‰
§35º
ÅÆÇÈÉÊËÌÍ ÎÏÐÐÑÎÒÈÎÍÌÓÎÔÕÓÉÊÖ×ØÎÙÆÖÊÓÍÈÎÆÚÎÛÓÖÌ×ØÊÖ×ÜÎÝØËÊØÓÓÉÞß
àÆÉÓÇÉÆáâÖÍÊÆØÎÕ×ÈÎÒÓÎÕ×áÓÎÆÚÎÍÌÊÞÎÕ×ÍÓÉÊ×ÜÎãÊÍÌÆâÍÎãÉÊÍÍÓØÎÖÆØÞÓØÍÎÆÚÎÔÙÛÝß
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
<\
Minimum
;"
3"$<$ /effective
==/>?"@/
?
:A/#!B7/32
2%.—>
thread
)1/32
2%.9X 45,!/
0:
deg
))2):/9
<— 11/16 hex —>
I
o.oo5
,*R—19/15
2)"in.3)18456
-%8
UNF—3B
0_395:3.88g
%1,+-.
!"
#$
diam.-
I
I
_ll
-Y- %&'(
%1, o.oo3
%TIR
&'(
©
0.395
)15,!/
3!E
deg0CD?
both:/
ends
l
J_—x— o.oo3 TIR
_|_
<— o.1oo:0_0O0
)+-0.005
,
-YB2)
Union
SNQ
TNLUVP
OI
PJQR
Nut L
Detail
€— 7/16 —>
W 1%!"#$X%&'(
45,!/
deg0*5,!/
deg0
o.oss:3.-as
%+-),
o.s_w:°;33§
%d,am__
)+-%
0.015
),*R
!"#$
© 0.484 & 0.093 diam., 0.003 TIR
19/16
2)"in.3)18456
-%7
UNF—3A
L,
64T
—
—
—
+
0-484
:o_003
0.016
)*+-.),
-0.002
%.T
!"
#$
diam.
diam.
!"
#$
)
,
)
)
2
%
.
‘_11/32:o.015
,
!/
0
)1 /15
deg
2)9X 45,!/
0isdeg
0.484
diam.
!"
#$0.003
%TIR
&'(
L Threaded
End OI
Detail
FGH
IJKIKLMNKL
PJQR
GENERAL
NOTE:
Dimensions
Z[
\[]^_\`a
[bcd
efghdighjarekfdingdinches.
glmfhn
0-Ring
Union
oFig.
pqrsC-3tu vt
wpxqyx
pzx{Nut/Threaded
|}~€‚ƒ„‚„End
x„†Detail
‚}ƒp‡
ˆ‰
36
American
Engineers.
Copyright
Š‹
ŒŽ‘’©“”2006
••–“—by“the
’‘˜“™š˜
Ž›œ“žSociety
‹›˜’“‹ofŸ“Mechanical
˜›‘œ›œ¡“¢
˜˜Ž£¤ 9'37
No
material
ASME.
¥‹Žreproduction
˜ŒŽ‹¦§›’‹“may
šœ“—be˜“made
šœ¦˜“‹ofŸ“’this
‘£“šœ
’˜Žœ¡“without
¨’‘‹§’“written
¨Ž’’˜“›consent
‹£˜’“‹ofŸ“™ž
¢¤ 53'
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
-./
mounted
<Flush/surface
=>?@A?>BCDEFGH
>IJFK
NCaisson
DO??HI
PStem-mounted
JFGQGH>IJFK
Case
143
ASME B40.100-2005
!" #
$%Connection
&''()*&'+Positions
&,*)*&',
Gauge
Table C-9
Bottom
01102
LX
X
L
LX
03/4-56
X
L
MMM
MMM
Table
C-10
!RS TInspection
',U()*&'VRequirements
W$*XY'),
8'"5PeC”°"
7.Z/51;07
^Examination
_DGOIDJOHI
`
EE>BDEa
Accuracy
<Friction
BOEJOHIFerror
BBHB
bRepeatability
FcFDJDdO=OJa
e'"C““3“°"
IE=OIDJOHI
f
FGcFBDJ>BF
gernperature
PLgadstifty
D=J?cBDa
gHDKJF?J
hPressure
BF??>BFEcycling
aE=OIi
^Elastic
=D?JOEFelement
=FGFIJHorBjjoining
HOIOIi
means
GF
DI?Cf“‘””'e
DO=>BF
Vibration
k
OdBDJOHI
PShock
@HEl
hPressure
BF??>BFBrupture
>cJ>BF
[\
-:;];5C3ti°"
-1;07
QUa“fi
LX
LX
Lx
LX
L
LEX
L
LX
LX
LX
LX
LX
LX
/71/4-56
MMM
M. M. M.
X
L
Lower Back
07]042-75/
C°"f°""3"Ce
LX
LX
Lx
LX
MMM
MMM
MMM
MMM
MMM
MMM
MMM
MMM
MMM
89
5:0566Position
0.;1;07
5 O’clock
X
L
MMM
MMM
Center Back
!†n†T'(*')*&'
C-5.5 Inclination
­‚
~xx}‚~|{
}|~xxshall
{ss„~‚
~xx}‚y®~ƒxsotuthat
{uu
~
Pressure
gauges
be pressurized
the
tywu~‚yxyw{¦~‚uyv{stxyuytw ¡~x{€s~x{ss„~
txyuytw~ƒxtu{uu~ƒy{sz{v~xu~t~‚{ut‚¡~x{€s~
xshall
{ssuthen
~w„
wvsyw~ƒš
|utotuthe
~‚
y|u”left,
s~zu”zfront,
‚twu”{and
wƒ
be~y
inclined
60§ƒ~
deg
right,
back.
The
ofzu
these
inclined
„{v– ¡
~xsample
{€s~xshall
{ssremain
‚~€{yw{atu~each
{vt
~x~y
wvsyw~ƒ
1 min.
Maximum
deviation
txyuytwxzfort‚{atusleast
~{xu€y
w ¯{
’y€}€ ƒ~
¦y{uytwtofzu
~
positions
the
yindication
wƒyv{uytwxshall
{ssbe„~•y
uyw
{szt
~xspecified
~vyzy~ƒ{
vv}‚{v—
within
half
ofzu
the
accuracy
ranges
psiy{
and
below,
be~
~except
’v~uz
t‚‚
{w|~x§0/¨100§§x
wƒ„
~st•”which
•yvxshall
{ss„
for
within
•yuywutwice
•yv~uthe
~xspecified
~vyzy~ƒ{accuracy.
vv}‚{v—
pointer is in a Vertical position. The sample shall be
positioned so that the dial faces the operator. The sample
!†n°YUX)$X
C-5.6.1
High
Temperature
High
temperature
!†n°nR±*
%²
YUX)$X‡Error.
XX&Xn³y
|u
~€~‚{u}‚~
C-5 ' 6 Temperature
.
.
para.
~error
‚‚t‚xshall
{ss„
~xu~ƒyinw{accordance
vvt‚ƒ{wv~•y
u{
‚{ A-2.2
r“››
be~u
tested
with
~except
’v~uz
t‚uthe
~€{
w}z{vu}‚~‚x‚
~vt€€~wƒ~ƒ
y|utem~€“
for
manufacturers
recommended
high
perature;
for
~‚{u}‚~©high
y|utemperature
~€~‚{u}‚~xshall
{ssbe„~145°F
œ´µ¤z
t‚{allsstesting.
u~xuyw|
At u
the
shall
in
~vconclusion
twvs}xytwtofzuthe
~utest,
~xu”{accuracy
vv}‚{v—x
{ssbe„~y
w{accorvvt‚“
C-4.2.3.1
!mnonpnRqLot.
&)nrA slottuvconsists
twxyxuxtofz{allss|gauges
{}|~xtofzuthe
~ ru
1A.
ƒ{
w
v
~•y
u
¡
{
„
s
~
{
v
v
}
‚
{
v
—‘‚
{
ƒ~
r
dance
with
Table
1,”
accuracy
Grade
part
manufactured
xsame
{€~
{‚uyidentification
ƒ~wuyzyv{uytwwnumber
}€„~‚uthat
{u{are‚~€{
w}z{vu}‚~ƒ
{atutone
w~utime.
y€~
C-5.6.2
Temperature
!†n°noqLow
&¶
YUX)$X‡Error.
XX&XnLow
·t• utemperature
~€~‚{u}‚~
be~u
tested
with
para.
~error
‚‚t‚xshall
{ss„
~xu~ƒyinw{accordance
vvt‚ƒ{wv~•y
u{
‚{ A-2.3
r“›ž
~
’
v
~

uz
t
‚u

~€{
w
}z
{
v
u
}‚
~
‚
x̧‚
~
v
t
€€~
w
ƒ~
ƒs
t
•
utem~€“
except
for
the
manufacturer's
recommended
low
AND
!† TEST
‡ˆ+PROCEDURES
V‰ ‡Š‹V‡ˆŒ
ŠVREQUIREMENTS
‡Ž‹TV‡‡ˆ
C-5
perature.
40°F
for
~‚{u}‚~Low
·t•utemperature
~€~‚{u}‚~xshall
{ssbe„~œ
§µ¤z
t‚{allsstesting.
u~xuyw|
At u
the
the
shall
in
ru
~vconclusion
twvs}xytwtofzu
~utest,
~xu”{accuracy
vv}‚{v—x
{ssbe„~y
w{accorvvt‚“
C-5.1
!†nR‡Examination
Y*')*&'
para.
C-5.2.
ƒ{
w
v
~•y
u

{
‚
{
¹“
´
›
dance
with
Gauges
determine
mate‘{
}|~xxshall
{ssbe„~~examined
’{€yw~ƒutotƒ~
u~‚€yw~uthat
{uuthe
~€{
u~“
workmanship,
‚rial,
y{s”zfinish,
ywyx”•t
‚–€{wxy”vconstruction,
twxu‚}vuytw”{assembly,
xx~€„s—” C-5.7
!†nºˆShock
²&(»
dimensions,
markings
ƒy
€~wxytwx”{and
wƒ€{
‚–yw|xvconform
twzt‚€ utotuthis
yx˜
u{wƒ{‚ƒ
Standard.
Pressure
be~x
subjected
a shock
test
in
­‚
~xx}‚~|gauges
{}|~xxshall
{ss„
}„¼~vu~ƒutot{x
tv–u
~xuy
w
Accuracy
C-5.2
!†noŒ
(($X(™
accordance
with
MIL—S-901,
Grade
A, Class
1,”
except
for
{
v
v
t
‚
ƒ{
w
v
~•y
u
¯½
·“
˜
“
¾
§

”
‘‚
{
ƒ~r”
¹s
{
x
x½
~
’
v
~
u
z
t
‚
Accuracy
be~u
tested
in
accordance
with
para.
rv
v}‚{v—xshall
{ss„
~
x
u
~
ƒy
w{
v
v
t
‚
ƒ{
wv
~•y
u
{
‚
{
duplex
pressure
gauges,
which
shall
be~‘‚
Grade
B. All
ƒ
}
s
~
’
‚
~
x
x
}‚
~|
{
}|
~
x
”•
y
v
x

{
s
s„
{
ƒ~¢
rs
s
›”œ
›”{
Accuracy
4]/2,
and
be~y
in
š6.2.4.1.
›œ rv
v}‚{v—zfort‚ž37/2,
wƒŸ87/2›xshall
{ss„
w{accorvvt‚“ pressure
Flush‚
~
x
x
}
‚
~|
{
}|
~
xx

{
s
s
„
~x
}„
¼
~
v
u
~
ƒu
y
w
~„
s
t
•x
¤
s
}x

“
gauges
shall
be
subjected
totw
nine
blows.
dance
with
of Table
ƒ{
wv~•y
uuthe
~‚requirements
~ }y‚~€~wuxtz¡
{„s~1,”{accuracy
vv}‚{v— and
pressure
gauges
mounted
wƒxsurface—mounted
}‚z{v~“€t}wu~ƒ‚
~xx}‚~|
{}|~xxshall
{ssbe„~€t
}wu~ƒ
7/4œin.,
2 and
Grade
Accuracy
in
‘‚
{ƒ~1A.r rv
v}‚{v—zfort‚›{
wƒ›272›xshall
{ssbe„~y
w{accordance
vvt‚ƒ{wv~ {
on
a 6D-1
adapter
plate
except
the
plate
shall
be
yw”yinw
t
w{š
¿“
{
ƒ{

u
~
‚s
{
u
~~
’
v
~

u
u

~
s
{
u
~x

{
s
s
„
~
with
Grade
•y
uuthe
~‚requirements
~}y‚~€~wuxtofz¡Table
{„s~1,”{accuracy
vv}‚{v—‘‚
{ƒ~¢B.
more
instrument
boards
uthickness
yv–w~xxutotxsimulate
y€}s{u~uthe
~€t
‚~‚rigid
y|yƒy
wxu‚}€~wu„
t{‚ƒx
installed
in
submarines.
Stem-mounted
pressure
gauges
y
w
x
u
{
s
s
~
ƒy
wx
}„
€{
‚
y
w
~
x
˜
u
~
€“
€t
}
w
u
~
ƒ‚
~
x
x
}‚
~|
{
}|~x
!†np£Friction
X*()*&'‡Error
XX&X
C-5.3
2 in.
in.,
dial
be~€t
mounted
À(i.e.,
y~”›y
w {and
wƒ›21/2›y
w”ƒy
{sxsize)
y®~Áxshall
{ss„
}wu~ƒtonw{a
with
para.
¤Friction
‚yvuytw~error
‚‚t‚xshall
{ssbe
„~utested
~xu~ƒyinw{accordance
vvt‚ƒ{wv~•y
u{
‚{ 4C-2
The~‚
pressure
mounted
œ¹“›{adapter
ƒ{u~‚plate.
s{u~¡
~xx}‚~|gauge
{}|~xshall
{ssbe„~€t
}wu~ƒ
The~z
friction
not
ofzx
span
š6.2.4.1.
›œ ¡
‚yvuytw~error
‚‚t‚xshall
{s›sw
tu~exceed
’v~~ƒ7/2%
{w› not
less
than
3 in.
rear
adapter
wtus
~xxu
{wžy
w from
z‚t€ the
u~xsides
yƒ~xtor‚‚
~{‚tofzuthe
~{
ƒ{u~‚
ݴ t
lb/in.2
{w|~x§0/¨š60§s
„¨yw plate.
zfort‚‚ranges
{w|~x{above
„t¦~§0/60
¨š§s1b/
„¨yin.2;
w ©zfort‚‚ranges
classification
ofzz
flush-/surface—mounted
s{u~For
¤t‚~each
{vv
s{xxyzyv{uytwt
s}x“¨x}‚z{v~“€t}wu~ƒ
below,
{and
wƒ„
~st•”uthe
~zfriction
‚yvuytw~error
‚‚t‚xshall
{ssnot
wtu~exceed
’v~~ƒ1%¥tofzxspan.
{w pressure
pressure
‚~xx}‚~|gauge
{}|~xsamples
{€s~xxsubmitted,
}„€yuu~ƒ”tone
w~
‚~xx}‚~|
{}|~
gauge
sample
shall
be
secured
totu
the
adapter
plate
in
a flushx
{
€s
~x

{
s
s
„
~x
~
v
}
‚
~
ƒu

~{
ƒ{

u
~
‚s
{
u
~y
w{z
s
}x“
C-5.4
!†nmVRepeatability
U)**)™
mounted
pressure
€t
}wu~ƒvconfiguration
twzy|}‚{uytw{and
wƒuthe
~tother
u~‚‚
~xx}‚~|gauge
{}|~
in
a surface—mounted
Repeatability
with
para.
{€s~y
w{x
}‚z{v~“€t}wu~ƒvconfiguration.
twzy|}‚{uytwThroughout
¡‚t}|t}u
ª~
~{u{„ysyu—xshall
{ssbe
„~utested
~xu~ƒyinw{accordance
vvt‚ƒ{wv~•y
u{
‚{ xsample
›¥ u
Repeatability
within
this
the
pressure
be~‚
pressurized
tot
yxutest,
~xu”u
~‚
~xx}‚~|gauge(s)
{}|~ÀxÁxshall
{ss„
~xx}‚y®~ƒu
š6.2.4.2.
›œ›ª~
~{u{„ysyu—‚requirements
~}y‚~€~wuxxshall
{ssbe
„~•y
uyw«:7/2%
mid-span.
tofzxspan.
{w
€y
ƒ“x{w
ž37¬
ÂÃÄÅÆÇÈÉÊ ËÌÍÍÎËÏÅËÊÉÐËÑÒÐÆÇÓÔÕËÖÃÓÇÐÊÅËÃ×ËØÐÓÉÔÕÇÓÔÙËÚÕÈÇÕÐÐÆÛÜ
ÝÃÆÐÄÆÃÞßÓÊÇÃÕËÒÔÅËÏÐËÒÔÞÐËÃ×ËÊÉÇÛËÒÔÊÐÆÇÔÙËàÇÊÉÃßÊËàÆÇÊÊÐÕËÓÃÕÛÐÕÊËÃ×ËÑÖØÚÜ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
C-5.7.1
!Requirements
"#$%&"'"()*+for,&!Ranges
-(."*/0/60
01/2lb/in.’
30%(4-and
(5 C-5.11.3
YCompound
,'`,$(5y$."*Compound
VBJ;B>DG;<
:==><:
Gauges.
pressure
6
3
,
7
"
?
@
>
?
:
==
9
@
A
Ac
:K
:
=
K
:
GB
D;<
:
=
=
><
:;B
<
K
F
B
D
=
M
89
:;<
:
=
=
><
:?
@
>
?
:=
9
@
A
A=
9
B
C
D
B:
E
F
G:
D
H
:B
I
Above. The pressure gauge shall show no evidence of
gauges shall be tested on pressure portions.
damage.
A shift
in
Fimproper
J;<B;:<Boperation,
;:<@KFBDLIfailure,
@FA><:LBor<G@
J@?:MN=
9FIKF
DKthe
9: C-5.11.4
Gauges.
The:?
gauge
be:H
cycled
z!Retard
")-&5y$."*89
@>?:=shall
9@AAc
QHA:G
pointer
;B
FDK:<Findication
DGFH@KFBD=shall
9@AAnot
DBK:exceed
OH::GPK
FJ:=Kthe
9:=specified
;:HFIF:G Ifrom
5 times
20%
1 4%
<
B
JX
o
]\q
]K
o
]\q
]B
9
::
O
;@
D
G:
G;B
<
K
F
BDBofI
toBv
80%
1 4%
ofIK
the
expanded
portion
@accuracy.
HH><@HQM89
:GFindex
DG:O=shall
9@AAnot
DBK=shift
9FIKGduring
><FD?K
9:=shock
9BHR Kthe
The:<
red
the
9
:=
;
@
D
M
NK
B
K
@
AB
l
o
L
o
o
oH
Q
H
A
:
==
9
@
A
Ac
B
D
G
>
H
K:GM
span.
A total
ofIX
260,000
cycles
shall
be:H
conducted.
Ktest.
:=KM89
HH><@HQL@after
IK:<@S
:<B@adjustment
GT>=KJ:DKFis=J@
G:L=shall
9@AA
The:@
accuracy,
a zero
made,
C-5.2.
J:
:KKthe
9:<requirements
:U>F<:J:DK=BofI;@
<@MVW
PMXM
meet
para.
C-5.12
4{Elastic
2-*)%u{Element
2"'"(),or&|
,%(%(.}"
-(*~Failure
-%2$&"
Joining
Means
4
D=BAFGIfront
<BDK?gauges
@>?:=CF
K9<
@D?:=o
csFDMX@and
DG
Nonsolid
with
ranges
0/sl
60oA
lb/in.2
C-5.7.2
4!Requirements
"#$%&"'"()*+for,&!Ranges
-(."*/0/30
0Y/2lb/in.2
30%(-and
(5 xB
be:=
subjected
cBE:=shall
9@AAc
>cT:HK:GKtoBKthe
9:Finternal
DK:<D@A:explosion
O;AB=FBDKtest
:=K
The:;<
pressure
:==><:?gauge
@>?:=shall
9@AA=show
9BC DnoB:evidence
EFG:DH:BofI @above
ZBelow.
"2,[89
A shift
in
Fimproper
J;<B;:<Boperation,
;:<@KFBDLIfailure,
@FA><:LBor<G@
J@?:MN=
9FIKF
DKthe
9: @as==specified
;:HFIF:GFinD€q
oqI
B<:
@H9>D
FU>:Hcase
@=:G:
=F?DM89
damage.
UL 404
for
each
unique
design.
The:
:==><:<relief
:AF:IG:
EFH:=shall
9@AA=successfully
>HH:==I>AAQ<relieve
:AF:E:K
9:;
<:=W
pressure
device
the
pres;BFDK:<Findication
DGFH@KFBD=shall
9@AAD
BK:exceed
OH::G\X
P] BofI=span.
;@DM89
pointer
not
125%
The: ;<
without
a failure
in
either
><:Ifrom
<BJ Kthe
9:Hcase
@=:CF
K9B>KHcausing
@>=FD?@I
@FA><:F
D:
FK9:<
<red
:GFindex
DG:O=shall
9@AADnotBK=shift
9FIKGduring
><FD?Kthe
9:=shock
9BHRKtest.
:=KMThe
89:@accuHH>W =sure
9:Hcase
@=:Bor<Kthe
9:CF
DGBCM
window.
<racy
@HQ@after
IK:<@S
:<B@adjustment
GT>=KJ:DKFis=J@
G:=shall
9@AAJ:
:KKthe
9: Kthe
a zero
made
meet
<requirements
:U>F<:J:DK=BofI;@
<@MVW
PMXM
para.
C-5.2.
C-5.13
YtPressure
&"**$&"!Rupture
$`)$&"
C-5.8
^_Salt
-2)_Spray
`&-a
The rupture
with
89:<
>;K><:Ktest
:=K=shall
9@AAc:F
D @accordance
HHB<G@DH:CF
K9
be in
;@
<
@
M
NW
X
M
h
M
89
:J@
O
F
J>J;<
:
=
=
>
<
:@
;
;
A
F
:
G=
9
@
A
A
c
:g
para.
A-2.7.
The
maximum
pressure
applied
shall
be
12X
Pressure
be:=
subjected
b<
:==><:?gauges
@>?:==shall
9@AAc
>cT:HK:GKtoB=salt
@AK=spray
;<@QKtests
:=K= Ktimes
the
span.
The
maximum
pressure
shall
be
mainF
J:
=K
9
:=
;@
D
M
89
:J@
O
F
J>J
;<
:
=
=
><
:=
9
@
A
Ac
:J@
F
DW
ASTM
B 117.
The:K
test(s)
FinD@accordance
HHB<G@DH:CF
K9Nd
8e fg
ghM89
:=Ki=j=shall
9@AA9
@E: Ktained
with
have
The
gauge
shall
show
no
signs
@
F
D
:
GI
B
<@
K
A
:
@
=
K
g
oJF
D
M
89
:?
@
>?
:=
9
@
A
A
=
9
B
CD
B=
F
?
D
=
for
at
least
10
min.
a duration
hr.
The:;<
pressure
be:
@G
><@KFBDBofIk96l9
<M89
:==><:Hconnection
BDD:HKFBD=shall
9@AAc
of
B
IA
:
@
R
@
?
:
M
leakage.
prevent
penetration
=sealed
:@A:GKtoB;<
:E:DK;:
D:K<@KFBDFinto
DKBKthe
9::elastic
A@=KFH:element.
A:J:DKM
89
<:==><:?gauge
@>?:=shall
9@AA=show
9BC no
DB:evidence
EFG:DH:BofIEVisible
F=FcA:
The:;
pressure
Hcorrosion
B<<B=FBDBor<Bother
K9:<G@
J@?:LBor<:exhibit
O9FcFKFimproper
J;<B;:<Bopera;:<@W damage,
‚{!ƒ„ytPARAMETERS
6!6}{{!_
ORDERING
Accuracy
be:F
in
with
para.
C—5.2.
Ktion.
FBDMNH
H><@HQ=shall
9@AAc
D@accordance
HHB<G@DH:CF
K9;@
<@MVW
PMXM C-61 !
C-6.1
1 Acquisition
6u#$%*%)%,(!Requirements
"#$%&"'"()*
C-5.9
mnLoad
,-5
When
following
†9:D=specifying
;:HFIQFD?@?
@>?:IforB<@acquisition,
HU>F=FKFBDLKthe
9:I
BAABCFD?
a gauge
89:A
B@GKtest
:=K=shall
9@AABDA
Qc:;:
<IB<J:GBD=
K:JW =shall
9@AAc
BEFG:G‡
The load
only
be performed
on stembe:;<
provided:
mounted
pressure
The:;<
pressure
be:
JB
>DK:G;<
:==><:?gauges.
@>?:=M89
:==><:?gauge
@>?:=shall
9@AAc
title,
date
ˆ(a)‰ŠK
FKA:Lnumber,
D>Jc:<L@and
DGG@
K:BofIKthis
9F==supplement
>;;A:J:DK
a plate
held
place.
A conKthreaded
9<:@G:GFinto
DKB@;
A@K:@and
DG=securely
:H><:AQ9
:AGFinD;A
@H:MNH
BDW ˆ(b)‹Šb@
Number
<KŒIdentifying
G:DKFIQFD?x>Jc
:<i(PIN)
bŒxj
Part
=stant
K@DKAload
B@GBofIg150PoAlbc=shall
9@AAbe
c:@applied
;;AF:GKtoBKthe
9:;<
:==><:?gauge
@>?: ˆ(C)ŠC9
pressure
when
:DUqualification
>@AFIFH@KFBDFis=<required
:U>F<:G
C-4qI
for
5 min.
Hcase
@=:@as==shown
9BCDBonDpFig.
F?MVW
B<PJF
DMAt
NKKthe
9:Hconclusion
BDHA>=FBDBofI ˆ(01)ŽŠ=special
dial
marking,
required
;:HF@AGF
@AJ@
<RFD?Lwhen
C9:D<
:U>F<:G
with
para.
C-5.2.
Kthe
9:Ktest,
:=KL@accuracy
HH><@HQ=shall
9@AAbe
c:FinD@accordance
HHB<G@DH:CF
K9;@
<@MVW
PMXM ˆ(6)Šx@
Stock
KFBD@Ad
KBHRx>
Jc:<i(NSN),
xdxjLFifI@available
E@FA@cA:
Number
National
(f)
special
dial
color,
when
required
ˆ

Š=
;
:
H
F
@
AGF
@
AH
B
A
B
<
L
C9
:
D<
:
U
>F
<
:
G
C-5.10
/r
%3&-)%,(
Vibration
C-6.2
Number
14tPart
-&)ƒIdentifying
5"()%+a%(.„$
'3"&‘(PIN)
tƒ„’tParameters
-&-'")"&*
vibration
pFlushA>=9W@and
DG=surface—mounted
><I@H:WJB>DK:G?gauges
@>?:==shall
9@AAbe
c:E
Fc<@KFBD with
A—2.5.
Ktested
:=K:GFinD@accordance
HHB<G@DH:CF
K9;para.
@<@MNW
XMPMdStem-mounted
K:JWJB>DK:G “@
Hardened
pressure
are
classified
according
toB
<G:D:G;
<:==><:?gauges
@>?:=@
<:H
A@==FIF:G@
HHB<GFD?K
be:K
tested
with
C-11.
?gauges
@>?:==shall
9@AAc
:=K:GFinD@accordance
HHB<G@DH:CF
K98Table
@cA:VW
ggM Kthe
Variables:
9:Ifollowing
BAABCFD?E
@<F@cA:=‡
The:<
red
pointer
not
89
:GFindex
DG:O;
BFDK:<=shall
9@AAD
BK=shift
9FIKGduring
><FD?Kthe
9:Ktest.
:=KM ˆ(a)‰ŠG:
=F?D
design
pointer
not
1 5%
ofI=
span
8Total
BK@A;B
FDK:<Boscillation
=HFAA@KFBD=shall
9@AAD
BK:exceed
OH::G\P
]
B
;
@
D
([2)
dial
case
design
ˆ
‹
ŠGF
@
A=size
FS:@and
DGH
@=:G:
=F?D
i\go] BI=;@DIB<<@D?:=osgooAcsFDMX @DGc:ABCjL ˆ(C)Š:
elastic
A@=KFH:element
A:J:DK=style
KQA:
;:
@RWKBW;:@RL@atK@any
DQKtest
:=KIfrequency.
<:U>:DHQMNK
9:Hconclusion
BDHA>=FBDBofI ˆ(d)ŽŠGF
peak—to—peak,
At K
the
dial
@AHcolor
BAB<
with
C-5.2.
Kthe
9:Ktest,
:=KL@accuracy
HH><@HQ=shall
9@AAbe
c:FinD@accordance
HHB<G@DH:CF
K9;para.
@<@MVW
PMXM ˆ(6)Š;<
:==><:Hconnection
BDD:HKFBD@and
DGHconnection
BDD:HKFBDAlocation
BH@KFBD
pressure
(f)
liquid
fill
case
fluid
and
cleanliness
ˆ

ŠA
F
U
>F
GI
F
A
AH
@
=
:I
A
>F
G@
D
GH
A
:
@
D
A
F
D
:
=
=
C-5.11
tPressure
&"**$&"Cycling
au2%(.
dial
range
ˆ(g)”ŠGF
@A<
@D?:
be in
with
para.
A-2.8.
8Testing
:=KFD?=shall
9@AAc:F
D@accordance
HHB<G@DH:CF
K9;@
<@MNW
XMvM C-6.2.1
Number
PIN
14 tPart
-&)ƒIdentifying
5"()%+a%(.„$
'3"&‘(PIN)
tƒ„’~Format.
,&'-)The
89:b
Œx
3 times
pFatigue
@KF?>::error
<<B<=shall
9@AADnotBK:exceed
OH::GwK
FJ:=Kthe
9:=specified
;:HFIF:G@accuHH>W KtoBc
be:>=
used
for
items
acquired
toBK
this
supplement
are
:
GI
B
<F
K
:
J=@
H
U
>F
<
:
GK
9
F
==
>;
;
A
:
J:
D
K@
<:
No leakage
<racy.
@HQMxBA
:@R@?:Fis=;permitted.
:<JFKK:GM
in
C-12.
Hcreated
<:@K:G@as==shown
9BCDF
D8Table
@cA:VW
gXM
Gauges.
A total
C-5.11.1
tPressure
&"**$&"y$."*NK
BK@ABofIX260,000
loLoooHcycles
QHA:= C-6.2.2
Design.
Pressure
design
is=G:
designated
144‚"
*%.(b<
:==><:?gauge
@>?:G:
=F?DF
=F?D@K:G
pressure
below.
A total
DGc
:ABCMNK
B
K
@
A
IforB<;<
:==><:<ranges
@D?:=o0/3,000
swLoooAlb/in.2
csFDMX@and
following
symbols:
by
one
of
the
c
QB
D
:B
IK
9
:I
B
A
A
B
CF
D
?=
Q
Jc
B
A
=
‡
/ 5,000
DG
BofIP50,000
oLoooHcycles
QHA:=IforB<;<
:==><:<ranges
@D?:=o0sP
LoooAlbcs/in.2
FDMX@and
pressure
b<:==><:•@>?:
be:H
conducted,
with
a cycle
40%
1 4%
@above
cBE:=shall
9@AAc
BDG>HK:GLCF
K9@H
QHA:BofIq
o]\q
]KtoB
–:=F?D
dQJcBA
4%
of
span.
1 ]BI=
l60%
o] \q
;@DM
dFJ;A:O
d
Vacuum
Gauges.
The:?
gauge
be:H
cycled
C-5.11.2
4r
-u$$'y$."*89
@>?:=shall
9@AAc
QHA:G
V@F==BD
—
by
1 4%
pulling
a Vacuum
between
20%
1 4%
cQ;>A
AFD?@E
@H>>Jc
:KC::DX
o]\q
]KtoBv80%
o]\q
]BofI
˜OQ?:D
™
A total
be:H
conducted.
=span.
;@DMNK
BK@ABofIX260,000
loLoooHcycles
QHA:==shall
9@AAc
BDG>HK:GM
–>;A:O
–
(1 10% of span for ranges 0/100 lb/in.2 and below),
wv
Pressure Gauge
Design
Symbol
Simplex
Caisson
Oxygen
Duplex
S
K
X
D
Copyright
American
Mechanical
Engineers.
š›
œžŸ¡¢©£¤2006
¥¥¦£§by£the
¢¡¨£©ª¨
žŸ«¬­£®Society
›«Ÿ¨¢£›of¯£°¨
«¡¬­Ÿ«¬±£²­
Ÿ­¨¨ž³´ 39¢
No
material
without
written
ASME.
µ›žreproduction
¨œž›¶·«¢Ÿ›­£may
ª¬£§be¨£made
ª¬¶¨£›of¯£¢this
¡Ÿ³£ª¬
¢̈žŸ¬±£̧Ÿ
¢¡›·¢£̧ž
Ÿ¢¢̈­£«consent
›­³¨­¢£›of¯£©®
°²´ 53
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
78
99:
Steel
4
'9,’ f
I,
/
Im/,,,I
Plate
@:
=89
\\\\\\il|
\
\
\\‘
$“
1/2in.
!
;Load
<=>
;Load
<=>
Back
Connected
Configuration
.6
$?)0'((#
$%#1)0'(2
&3456%&'(
Plate
@:
=89
,*Steel
78
99:
\
Plate
@:
=89
T--:--T
1/2
in.!
L, ,
..A,.
*-
1
;Load
<=>
Section
"#
$%&'()A—A
*+*
Bottom
Connected
Configuration
.'%
%'/)0'((#
$%#1)0'(2
&3456%&'(
AFig.
BCDEC-4FG HLoad
IJKLTest
MNO
P39Q
RSTUVWXYZ [\]]^[_U[ZY`[ab`VWcde[fScẀZU[Sg[h`cYdeWcdi[jeXWe``Vkl
53
mSV`TVSnocZWSe[bdU[_`[bdn`[Sg[ZYWk[bdZ̀VWdi[pWZYSoZ[pVWZZ̀e[cSek`eZ[Sg[afhjl 39¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No
reproduction
may be made ofthis material without written consent of ASME.
[
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
!"" #
$%!&'()$*+
(,./$.')
Stem-Mounted
Gauge
Vibration
Table C-11
>Frequency
?3@A397BRange,
09C3;
Hz (Inclusive)
DE
972A54F3
IJ
K L20M
5 to
L21RJtoK I50M
I51RJtoKR100
MM
R101MRJtoKL200
MM
01234
562073839:;4in.97(Peak-to-Peak)
30<9:=930<
Table
Displacement,
Variable
3Exploratory
G62=?0:=?B
35:
H0?40123>Frequency
?3@A397B
35:
Test
Test
1 0.0040
1 0.012
M0.0200
NMLMMOM
NMMPM
M0.060
NMQMOM
NMRL
1 0.0020
1 0.008
M0.0100
NMRMMOM
NMMLM
M0.040
NMPMOM
NMMS
1 0.0010
1 0.004
M0.0050
NMMIMOM
NMMRM
M0.020
NMLMOM
NMMP
1 0.0002
1 0.001
M0.0010
NMMRMOM
NMMML
M0.004
NMMPOM
NMMR
!"T UPart
/$VIdentifying
*)$.WX.),Y(
%/Z(PIN)
UVY[
Number
Table C-12
4B40.1
5678C18
C
81
C
^Precedes
_`a`b`c
d`
cefg de
hijSize
ek` lElastic
ihcJea
Design
Dial
aclassificaihccepeahq
hand
gb
`element
ìr`gJ
Jtion
eKg
sCase
hc`
cstyle
Jtì
Design
u(Appendix
vww`gbex
d`
cefg
sJ
KyB40.1)
PMNRz
C to
GENERAL
NOTE:
{l
|l}vn|~
l€lExample
xhrwìyB40.1
PMNRsC1-C1CWRANG3P.
RqsRs}v|{‚^N
\
de
hiacolor
KiK_
Dial
W
The‹Œ
dial
!ƒ„T„ †.
#Size
.‡and
)*Case
ˆ†Design.
ˆ.,)„‰Š
Žsize
‘‹Žand
’Œ
C-6.2.3
Dial
design
designated
by one of the
“case
Ž‹Œ‹
”’isŒ‹
”’Ž•‹Œ–—˜’‹˜™•
Š‹™following
˜˜š’”
SY—›–
˜œ‘
mbO1s_
Size
‘‹
2
21/2
31/2
£
¤£
¨41/2£
©81/2£
žŽ
‹Ÿ‹
”’
Case
Design
stem
•‹› ›˜
¡’•‹Œ
mounted
stem
•‹› ›˜
¡’•‹Œ
mounted
¥Flush
¡Š¦
¡§™Ž“‹›˜
¡’•‹Œ
/ surface
mounted
¥Flush
¡Š¦
¡§™Ž“‹›˜
¡’•‹Œ
/ surface
mounted
¥Flush
¡Š¦
¡§™Ž“‹›˜
¡’•‹Œ
/ surface
mounted
NG
]3P
nLiquid
eomebpfilleii de
hi_range
hgf`
Dial
acase
hc`
pfluid
imeb
hand
gb
sCleanliness
ìhgieg`cc
¾§
‹¡§‹ž˜
’’‹“•˜’
Pressure
Connection
O—r1ng
union
¿­
§. ’”¡’
. ˜’
NPT
·¾‰³(male)
›Ž‹´
Welded
º‹Œ‹Œ’
°°‹
nipple
‰Š
§‹ŽŒ‹Œ¼
‹’•³(caiss/Hon
“Ž˜’˜
’—´
Threaded
UNF—2A
only)
’®20½Ä·¥
­Å
¥Flareless
Ž§‹‹³(bite
–Vent
•‹•type)
—°‹´Â/15¢ÃIn.
Symbol
—›–˜
¢1
2
¤3
4
¨
©8
!ƒ„T„ª«ˆ$.¬«%)$„‰Š‹‹Ž•“‹‹›‹’•Œ‹”­
’Ž•‹ŒŽasshown
Š˜š’–
‹˜š®
nated
below.
C-6.2.4 Elastic Element. The elastic element is desigElastic
Element
¯
Ž•“¯
‹›‹’•Style
•—‹
C—type
Bourdon
ž­
•—°‹±˜
¡§Œ˜’•tube
¡–‹
Helical
Bourdon
²‹
“Ž³(also
Ž˜Šhelical—spiral)
‹“Ž­°§Ž´±˜
¡§Œ˜’
•tube
¡–‹
C—type,
helical
manufacturer
ž­
•—°‹µ˜or§Š‹
“Ž—
¶ ›Ž
’¡™Ž“•¡§‹§
˜option
°•˜’
RA0
^Pressure
_`ccm_`aconnection
Kgg`aJeKg
handgbsConnection
Kgg`aJeKg
ilocation
KahJeKg
—›–˜
žC
ŸD
N
·
Symbol
ž˜’’‹“•˜’Ƙ“Ž•˜’
Back
±Ž“¹
Bottom
±˜••˜›
ȓ˜“¹
5ǘ
o'clock
Connection Location
—›–˜
ÀR
¾P
W
º
ÁK
C
ž
Symbol

—›–˜
Symbol
A
Å
¿
O
ž
C
C-6.2.7
Liquid
!ƒ„T„É»Liquid
.Ê(.*ËFill.Case
ˆËFluid
(.*and
)*Cleanliness.
).)ˆˆ„ƍ
Ì¡Œ
only.
The‹˜
option
™fillŽapplies
°°‹•to˜stem-mounted
•‹›­›˜¡’•‹Œ”gauges
Ž¡”‹˜
’—®‰Š
°•˜’
fill
™for˜§•the
Š‹°§
‹¡§‹”gauge
Ž¡”‹“case
Ž‹“
˜’•Ž’’”Ž
Ì¡Œ™
Žand
’Œ
pressure
containing
a liquid
isŒ‹
designated
by
two
•the
Š‹“cleanliness
‹Ž’’‹
”’Ž•‹Œ–
—•the
Š‹•
š˜symbols
—›–˜Žas
provided
below.
The‹™
first
designates
whether
˜¼Œ‹Œ–
‹˜š®‰Š
§•symbol
—›–˜Œ‹
”’Ž•‹šŠ
‹•Š‹§Ža
Dial
The‹“
Color
dial
designated
!ƒ„T„¸†.
Color.
''/„‰Š
˜˜§˜of™•the
Š‹Œ
ŽisŒ‹
”’Ž•‹Œ °§
C-6.2.5
by
–—˜one
’‹˜of™•the
Š‹™following
˜˜š’”symbols:
—›–˜œ
designates
the
™fill™fluid
¡Œis§required.
‹Ì¡§‹Œ®The
‰Š‹second
‹“˜’Œsymbol
—›–˜Œ‹
”’Ž•‹•
Š‹
cleanliness.
“

‹
Ž
’


’
‹


®
Dial
Color
Ÿ
Žž˜
˜§
Symbol
—›–˜
Black
background
dial
white
±
Ž“¹–
Ž“¹”§˜¡’ŒŒ
Žwith
š•ŠšŠ
•‹”graduations
§ŽŒ¡Ž•˜’
markings
Žand
’Œ›Ž
§¹’”
White
background
dial
with
black
ºŠ•‹–
Ž“¹”§˜¡’ŒŒ
Žš
•Š–
Ž“¹”graduations
§ŽŒ¡Ž•˜’
markings
Žand
’Œ›Ž
§¹’”
Special
°‹“Ž
Liquid
mount
ƍ
Ì¡Œ¥Fill³(stem
•‹››˜
¡’•˜only)
’—´
None
·˜
’‹
Glycerine
͏
—“‹§’‹
±B
W
º
5
C-6.2.6
!ƒ„T„ƒUPressure
/ˆˆ(/Connection
'))¬$.')and
)*Connection
'))¬$.')»Location.
'¬$.')„
The‹•
type
pressure
its
location
‰Š
—°‹˜of™°§
‹¡§‹“connection
˜’’‹“•˜’Žand
’Œ
•
˜“Ž•˜’™for˜§
designated
by
provided
“connection
˜’’‹“•˜’isŒ‹
”’Ž•‹Œ–
—•two
š˜symbols
—›–˜Žas°§
˜¼Œ‹Œ
below.
The‹™
first
designates
–‹˜š®‰Š
§•symbol
—›–˜Œ‹
”’Ž•‹•the
Š‹•type
—°‹˜of™“connec˜’’‹“­
The‹
second
designates
•tion
˜’™fitting.
••’”®‰Š
‹“˜’Œsymbol
—›–˜Œ‹
”’Ž•‹•the
Š‹location
˜“Ž•˜’
pressure
˜of™•the
Š‹°
§‹¡§‹“connection.
˜’’‹“•˜’®
¨½
Cleanliness
ž
‹Ž’’‹
General
͋
’‹§Ž
Oxygen
¿Î
—”‹’
American
Mechanical
Engineers.
Copyright
ÐÑ
ÒÓÔÕÖ×Ø©ÙÚ2006
ÛÛÜÙÝbyÓÙthe
Ø×ÞÙßàÞ
ÔÕáâãÙäSociety
ÑáÕÞØÓÙÑofåÙæÞ
á×âãÕáâçÙèã
ÖÕãÞÞÔéê
No
material
ASME.
ëÑÔreproduction
ÞÒÔÑìíáØÕÑãÙmay
àâÓÙÝbeÞÙmade
àâìÞÙÑofåÙØthis
×ÕéÙàâ
ØÞÔÕâçÙwithout
îÕØ×ÑíØÙwritten
îÔÕØØÞãÙáconsent
ÑãéÞãØÙÑofåÙßä
æèê
—›–˜
N
·
G
Í
Symbol
—›–˜
ÍG
ÏX
Symbol
01
203456PRESSURE
73442738INDICATING
9 81890 DIAL
81 TYPE
63—
GAUGES:
3ELASTIC
148 3ELEMENT
339 (B40.1)
143
ASME B40.100-2005
Table
C-13
!"# $%
&'()Service
*+,-.Ranges
('/
Oxygen
!iGI (,('
C-7.8 Cleaning
7Range
0123Designator
349210:;< a]
LNOQOP[
ZMZoxygen
„VPLORservice
LM–QYLPN
XPLRRshall
KN]]UL_L
Cleaning
for
gauges
be perM
MIL—STD-1330.
‰
}b
e
Jtb
g
’
’

`
?1hX
@A
B3kX
DA
!iG¢ Qualification
,£,-‡,†(and
(™Conformance
†(£†*•(-”Inspection
(/¤-‡,†(
C-7.9
E5kX
DA
7Ranges,
0123456lb/in.2
7891
=0/100
>?==
=O/3,000
>BC===
=O/5,000
>EC===
žXN]Q[QYNTQZONOSYZO[ZM\NOYLQOR_LYTQZORRKN]]UL
_LM[ZM\LSQONYYZMSNOYLfQTK_NMN`abhc̀`
Qualification and conformance inspections shall be
performed in accordance with para. C-4.2.
C-6.2.8
Ranges.
The range
designated
!FGHGI.
('/GJKLM
NOPLQisRSL
RQPONTLS by
UVNa
Rsequence
LWXLOYLZof[Rsymbols
V\UZ]R^(see
RLL_N
MN`ab
cc̀d`eSpecial
_LYQN]Mranges
NOPLRNareML C-8!I .
para.
C—2.2).
REFERENCED
DOCUMENTS
mšm.mn mss$
p¥mn)
_L
M\QRRQU]L`JK
NOPLSL
RQPONTZMRshall
KN]]beULYconstructed
ZORTMXYTLSQinO
permissible.
TheLM
range
designator
Naccordance
YYZMSNOYLfQ
TKTthe
KL[formats
ZM\NTRNasRRshown
KZfOQinOJTables
NU]LRab
with
C-1g
TheL[
following
in
JK
Z]]ZfQOPQ
QRTZof[_X
U]QYNTQZORM
L[LMLOYLSQ
O
isRN]
a list
publications
referenced
C-4.
Tthrough
KMZXPKab
h`
Appendix.
Tthis
KQR~_
_LOSQ„`
~|e
c̀g̀ƒˆQ
_LJK
MLNSRƒzL
OLMN]ˆXM
_ZRL^(Inch)
OYKd
ANSIŠg
B1.20.1,
Pipe
Threads,
General
Purpose
C-7
GAUGES
!i $j
klmnoPRESSURE
.m))p.mlq
plm)
OXYGEN
ˆXU]
QRKLM›~\L
MQYNO|N
TQZON]e
TNOSNMSRInstitute
ORTQTXTL
Publisher:
American
National
Standards
25œL
West
43rd
Street,
^(ANSI),
~|edƒc
RTh
’MSe
TMLLTƒNew
|LfyZ
MuƒNY
|yg10036
’Œ
York,
!iG" Case
/
C-7.1
eStem-mounted
TL\b\ZXOTLSYcases
NRLRNareMLOnotZTpermitted.
_LM\QTTLS`Ioints
rZQOTRRshall
KN]]be
UL ~e
ASTM
Specification
Stainless
HeatJ‰ A~g167,
Œ‹ƒe
_LYQ[QYNTQZO[forZMe
TNQO]LRRNand
OS¦L
NTb
fL
]SLS[forZMNall]]Mranges.
NOPLR`
welded
Resisting
Chromium-Nickel
L
RQRTQOPaKM
Z\QX\b|QYuL]eSteel
TLL]ˆ]
NTLe
KLLTƒNand
OS
Plate
Sheet,
Strip
e
T
M
Q
_
C-7.2
Dial
!iGHs,
ASTM
473,
Specification
Stainless
Heat~e
J‰ A~h
‹’ƒe
_LYQ[QYNTQZO[forZMe
TNQO]LRRNand
OS¦L
NTb
Dial
markings
shall
include
the
words
”OXYGEN
tQ
N]\N
M
u
Q
OP
RR
KN
]
]Q
OY
]
XSLT
KLfZ
M
SRv
wxyz{|
L
R
Q
R
T
Q
O
Pe
T
L
L
]Ÿ
Z
M
P
Q
O
P
R
Resisting
Steel
Forgings
NO OIL”
printing,
a}{~|
€e{|ww
}‚QinOMred
LS_M
QOTQOPƒwhen
fKLOZoxygen
„VPLO ~e
CLEAN — USE
ASTM
B 26,
Specification
Aluminum—Alloy
Sand
J‰ Šc
Œƒe
_LYQ[QYNTQZO[forZM~]
X\QOX\b~]]ZVe
NOS
Napplication
__]QYNTQZOSL
RQPONTLS`
designated.
aN
RTQOPR
Castings
~e
J‰ Š§
ƒeSpecification
_LYQ[QYNTQZO[forZM~]
X\QOX\b~]]ZVtQ
ASTM
B 85,
Aluminum—Alloy
DieL
C-7.3
!iG#oPressure
*//*Connection
†((-‡,†(
Castings
aN
RTQOPR
Pressure
a Monel
B 127,
ˆM
LRRXMLYconnection
ZOOLYTQZORshall
KN]]be
ULN‰Z
OL]^(per
_LMASTM
~eJ‰Šg
c‹ƒ ~e
ASTM
B 117,
Practice
J‰ Šg
g‹ƒˆM
NYTQYL[forZMw_L
MNTQOPeSalt
N]Te
_MNV^(Fog)
ŸZPd
Operating
Spray
B 164,
B 564)
pipe
nipple,
nominal
pipe
O`ƒO
Z\QON]_Q
_LRsize
QŽL ~_
Šg
ŒhƒNand
OSŠ
Œhd_
Q_LO
Q__]Lƒg]/4hQin.,
Apparatus
_
N
M
N
T
X
R
minimum
^(NPS)
|ˆedfQ
TK0.109
g̀Qin.,
O`ƒ\Q
OQ\X\ wall
fN]]Tthickness,
KQYuOLRRƒŒQ
O`ƒ ~e
with
6 in.,
B 127,
for
Nickel-Copper
Alloy
J‰ Šg
c‹ƒeSpecification
_LYQ[QYNTQZO[
ZM|Q
YuL]baZ__LM~]
]ZV
welded
Connection
]long,
ZOPƒfL
]SLSTtoZTthe
KLRsocket.
ZYuLT`aZ
OOLYTQZO]location
ZYNTQZORshall
KN]]be
UL ASTM
^
€|e|
h
h


dˆ]
N
T
L
ƒe
K
L
L
T
ƒ
N
O
Se
T
M
Q
_
(UNS
N04400)
Plate,
Sheet,
and
Strip
back
bottom
NatTTthe
KL]lower
ZfLMU
NYuZorMU
ZTTZ\ Zof[Tthe
KLYcase.
NRL`
ASTM
B 164,
for
Nickel-Copper
Rod,
~e
J‰Šg
ŒhƒSpecification
e_LYQ[QYNTQZO[
ZM|Q
YuL]baZ__LMAlloy
~]]ZVZ
Sƒ
Bar,
and
Wire
ŠN
M
ƒ
N
O
SœQ
M
L
!iG‘.Ranges
('/
C-7.4
for
Aluminum
AlumiASTM
209,
Specification
J‰ BŠc
ƒe
_LYQ[QYNTQZO[
ZM~]
X\QOX\ Nand
OS~]
X\Qb
JTable
NU]Lab
g’Rshows
KZfRTthe
KLMranges
NOPLRNand
OSM
NOPLSL
RQPONTZMR ~enum—Alloy
C-13
range
designators
Sheet
and
Plate
O
X\b
~]
]
Z
Ve
K
L
L
TN
O
Sˆ]
N
T
L
[forZMZoxygen
„VPLOPgauges.
NXPLR`
ASTM
B 564,
Specification
for
Nickel
Alloy
Forgings
~e
J‰ Š
Œhƒe
_LYQ[QYNTQZO[
ZM|Q
YuL]~]
]ZVŸ
ZMPQOPR
ASTM
D ‹
788,
Classification
System
for
Poly
(Methyl
~e
J‰
t
§
§
ƒa]
N
R
R
Q
[
Q
Y
N
T
Q
Z
Oe
V
R
T
L
\
[
Z
Mˆ
Z
]
V^
‰LTKV]
C-7.5
!iG“”Internal
(‡*(sDimensions
,•(/,†(/
Methacrylate)
Molding
and
Extrusion
Com‰L
TKNYMV]NTLd^(PMMA)
ˆ‰‰~d‰Z
]SQOPN
OS{„
TMXRQZOaZ
\b
Pressure
designated
ˆM
LRRXMLPgauges
NXPLRSL
RQPONTLS[forZMZoxygen
„VPLORservice
LM–QYLRshall
KN]] pounds
_ZXOSR
have
a minimum
dimensions
K
N–LN\Q
OQ\X\ Qinternal
OTLMON]SQ
\LORQZORTthroughout
KMZXPKZXTTthe
KL ASTM
D 3951,
for
Commercial
Packaging
J‰ t’
gƒˆPractice
MNYTQYL[
ZMaZ
\\LMYQN]ˆN
YuNPQOP
pressure
not
_M
LRRXMLLelement
]L\LOTNassembly
RRL\U]VZof[O
ZT]less
LRRTthan
KNO0.025
`cQin.O`TtoZ ~e
Publisher:
ASTM
International
Barr
ˆXU
]QRKLM›~e
J‰
OTLMONTQZON]^(ASTM),
~eJ‰dƒg100ŠN
MMHarbor
¦NMUZM
promote
_M
Z\ZTLYcleaning.
]LNOQOP`
Drive,
Conshohocken,
tM
Q–LƒWest
œLRTaZ
ORKZKZYuLOƒˆPA~g19428-2959
hc§bc
C-7.6
Gauges
!iGF—Liquid-Filled
,˜ ,™!š,™l
'/
Practice
for
Precision
Cleaning
ŸFED-STD-595,
{tbeJtbƒeStandard
TNOSNMSˆM
NYTQYL[
ZMˆM
LYQRQZOa]
LNOQOP
Liquid-filled
not
used
}Q
WXQSb[Q]]LSPgauges
NXPLRRshall
KN]]O
ZTbe
ULXR
LSZonOZoxygen
„VPLORsysVRb Nand
Helium,
HeliumOxygen,
OSJTesting
LRTQOPZof[eShipboard
KQ_UZNMSw„
VPLOƒ¦L
]QX\ƒ¦L
]QX\b
a warning
Ttems,
L\RƒNand
OSRshall
KN]]have
KN–LNfN
MOQOP]label
NUL]ZonOTthe
KLMrear
LNMZof[Tthe
KL w„
Oxygen,
Nitrogen,
Hydrogen
VPLOƒ|Q
TMZPLOƒNand
OS¦V
SMZPLOeSystem
VRTL\
Ycase
NRLTthat
KNTRstates:
TNTLR›
MIL-S-901,
Tests,
High
Shipboard
‰
}bebgƒeShock
KZYuJ
LRTRƒ¦Q
PKImpact,
\_NYTƒe
KQ_UZNMS
Machinery,
Equipment
and
Systems
Requirements
‰N
Y
K
Q
O
L
M
V
ƒ
{W
X
Q
_\L
O
TN
O
Se
V
R
T
L
\RL
W
XQ
M
L\LOTR
WARNING:
DO NOT USE
ON OXYGEN
œ~|
|z›tw|wJ€e
{w|wxyz{|
MIL-STD-1330,
Standard
Practice
for
Precision
Cleaning
‰
}b
e
Jtb
g
’
’

ƒ
e
T
N
O
SN
M
Sˆ
M
N
Y
T
Q
Y
L[
Z
M
ˆM
L
Y
Q
R
Q
Z
Oa]
LNOQOP
—
LIQUID
eSYSTEMS
yeJ{‰e }
ž€tŸFILLED.
}}{t`
Helium,
HeliumOxygen,
Nand
OSJTesting
LRTQOPZof[eShipboard
KQ_UZNMSw„
VPLOƒ¦L
]QX\ƒ¦L
]QX\b
Oxygen,
Nitrogen
Hydrogen
Systems
w„
VPLOƒ|Q
TMZPLONand
OS¦V
SMZPLOe
VRTL\R
C-7.7
!iGi Quality
,‡&Control
†(‡*†
Publisher:
available
]QRKLM›Federal
ŸLSLMN]Rspecifications
_LYQ[QYNTQZORN
–NQ]NU]L[from:
MZ\›eSuperX_LMb
beLL
examined
w„
VPLORservice
LM–QYLPgauges
NXPLRRshall
KN]]OnotZTU
„N\QOLSZonONa ˆXU
Oxygen
of[tZ
Documents,
Printing
OTLOSLOTZ
YX\LOTRƒ€è
zZ–LMO\LOTˆM
QOTQOP
U.S.`Government
basis.
One-hundred
percent
Rsampling
N\_]QOPU
NRQR`wO
LbKXOSMLS_L
MYLOT^(100%)
g¡dZof[Nall]]Zoxy„Vb Qintendent
Office
N. Capitol
[QYL^(GPO),
zˆwdƒ‹732’c|`
aN_QTZ]Street,
eTMLLTƒNW,
|œƒWashington,
œNRKQOPTZOƒ
beLL
examined
Pgen
LORservice
LM–QYLPgauges
NXPLRRshall
KN]]U
„N\QOLS[forZMYcleanliness,
]LNO]QOLRRƒ w[
DC 20401
tac
hg
marking,
packaging.
\N
MuQOPƒNand
OS_N
YuNPQOP`
I
hg
41
American
Mechanical
Engineers.
Copyright
¨©
ª«¬­®¯°©±²2006
³³´±µby«±the
°̄¶±·¸¶
¬­¹º»±¼Society
©¹­¶°«±©of½±¾¶
¹¯º»­¹º¿±À»
®­»¶¶¬ÁÂ
No
may
made
thisÁ
material
ASME.
é¬reproduction
¶ª¬©ÄŹ°­©»±̧º
«±µbe¶±̧º
Ķ±©of½±°̄­
±̧º
°¶¬­º¿±without
Æ­°̄©Å°±written
Ƭ­°°¶»±¹consent
©»Á¶»°±©of½±·¼
¾ÀÂ
01234567866966
0 31311 30 03
301332345678
GAUGES: PRESSURE INDICATING DIAL TYPE —
ELASTIC ELEMENT (B40.1)
ASME B40.100-2005
AMS 7259,
UL 404,
SAE
!"#$%
&'(#Sealings,
)*+%&'(#,Fluorocarbon
+-./.0*/1.&2(FKM)
,34 H?P
QP#H&
<)/@/%;)/T(?*
1./*;./>
;*&<*/<F
./
*F);>
Rings,
Underwriter’s
Laboratory
Standard
for
Safety
$-1
1
)
/5%
'
6
7
8
)
9:
)
/
*
;
-/
)
7
,
+
-%
<$)
(
%
(
;
*
&
;=)
/
>
7
?.
@
G*
-'
)
(
#K
&<%
0
*
;
%
&'I/
)
(
(
-/
)
#F
.
/A.
9:/
)
(
(
)
<G*
Rubber High—Temperature-Fluid Resistant Very—Low
Gauges, Indicating Pressure, for Compressed Gas(
A.
9:/)((%.&Set);B85!;to."95!
Service
)/O%0)
Compression
I 1926,
SAE
CD
" E#A.
&&)0;%.&(Ffor./G)
&)/*+H(
)*and
&<,
+-%< I-1+
Connections
General
Use
Fluid
%(6)/NH&<)
/@/%;)/T(?*
1./*;./%)(#KInc.
&0U2(UL),
H?4#
Publisher:
Underwriter’s
Laboratories,
IPower
.@)/JI
./;(*and
&<Stud
;-<&
<(@%
;6KISO
L 725!86
/)*<( V333VVIF
—Ports
Ends
with
Threads
Road,
Northbrook,
IL
%
&
'
(
;
)
&$.
*
<#W.
/
;
6
1
/
.
.
X
#K
?E
Q
Q
E
7
Q
"
E
Pfingsten
60062-2096
— I*
*and
&<L7
$%&'Sealing
)*+%&'M
/;D1:N86/
)*<)<I
./;@%
;6
O—Ring
Part
Threaded
Port
with
O—Ring
L7
$%&'Seal
)*+%in&8Truncated
/-&0*;)<5.
-(%&'
Housing
Publisher:
Automotive
Engineers
I-1
+%(6)/NSociety
.0%);>.ofF-;
.9.;%O)&'%
&))/(2(SAE),
4#
Drive,
PQQ A.99.&@)
*+;6 R/
%O)# Warrendale,
S*//)&<*+)# IPA
400
Commonwealth
D15096-0001
!Q"E7QQQD
C
P
42
American
Mechanical
Engineers.
Copyright
YZ
[\]^_`a©bc2006
ddebfby\bthe
àgbhig
]^jklbmSociety
Zj^ga\bZofnbog
j`kl^jkpbql
_^lgg]rs
No
thisr
material
ASME.
tZ]reproduction
g[]Zuvja^Zlbmay
ik\bfbegbmade
ikugbZofnbà^
bik
ag]^kpbwithout
w^àZvabwritten
w]^aaglbjconsent
ZlrglabZofnbhm
oqs
01234567866966
ASME B40.100-2005
ASME B402
1 Scope
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Diaphragm
2 !" Seal
#. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 44
$Figures
!%&
Housing,
Continuous
Duty
'1 ())
*+,./012341501.-./6.5
7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468
Upper
Duty
())
*+,./0123Noncontinuous
:-1;-1501.-./6.57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47<
29
Upper
Housing,
Removable
=3 ())
*+,./0123>*
?-@ABC* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48D
Upper
Housing,
())
*+,./0123>*
?-@ABC* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49E
4
Upper
Housing,
Removable
Nonremovable
F
())
*
+,./
0
1
2
3
:1+*?-@ABC*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50FG
5
Upper Housing,
Flush
86 ())
*+,./0123HC./IHFlanged
CA12*J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51F'
Upper
Housing,
<7 ())
*+,./0123KInserted
1/*+5*JHFlange
CA12*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52F9
Upper
Housing,
Flanged
Seal
D8 ())
*
+,./
0
1
2
3
H
C
A
1
2
*
JL
*
AC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52F9
Upper Housing,
Housing
.
.
.
.
.
.
.
.
.
.
.
E9 MN*+,-./012 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53F=
Lower
'10G HFastening
A/5*1012O*
5I-J/. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54F
Methods
'11' HFlanged
CA12*JLSeal
*AC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F55F
Threaded
'129 PI
+*AJ*JLSeal
*AC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56F8
With
'13= HFlanged
CA12*JLSeal
*ACQ0
5ILSleeve
C**@*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57F<
Butt5Q*
Weld
'14 R.5
CJLSeal
*AC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58FD
Weld
'15F LSocket
-;S*5Q*
CJLSeal
*AC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58FD
'168 Welded
Q*CJ*JLSeal
*ACLSaddle
AJJC*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59FE
'17< KIn—Line
1TM01*LSeal
*ACU(Crevice
4+*@0;*HFree)
+**V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 860G
Ring
'18D HFlushing
C./I012>0
12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 861'
'19E WA
.2*KIsolator
/-CA5-+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8629
Gauge
920G LSealed
*AC*JLSetting
*55012. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 864
921' HFill0CCLSetting
*55012. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 865F
=
43
American
Mechanical
Engineers.
Copyright
XY
Z[\]^_`©ab2006
ccdaeby[àthe_faghf
\]ijkalSociety
Yi]f`[aYofmanf
i_jk]ijoapk
^]kff\qr 80¢
No
material
ASME.
sY\reproduction
fZ\Ytui`]Ykamay
hj[aebefamade
hjtfaYofmàthis
_]qahj
f̀\]joawithout
v]`_Yuàwritten
v\]`f̀kaiconsent
YkqfkàYofmagl
npr 53'
01234567866966
ASME B40.100-2005
DIAPHRAGM SEALS
1 SCOPE
Oconnection,
cee[Of`cek`instrument:
eYfQP_[efSa pressure
1#.3#.+connection
,!!.+,!in!
.
the
upper#,
housing
to,7
which
the
pressure
instrument
is
311.
3
!5
+
.1#
.
3#
.
!
#
3/.
!
Standard
!" #"$(B402)
%&'()*is+confined
,!-!."to,/.
+ !+0sepa.1 2 attached
This
mechanical
2.3.9).
+
.
"$
.
.1
#
(
)
(
]
(
t
*
(
(see
para.
#rators
,#3utilizing
04!5"
1#5/,or#6
0"".#together
,5..#7
a Ocee[Of`cekYNaaZ[S.0,7.#,3!5-00.7.0"."
diaphragms
bladders
with
connection, saddle: the lower housing is fillet welded
pressure
medium
-fill00-fluid
03"to,transmit
#!/1#
.3#.-from
#,/ the
./.
"3/ to,the
. 7
!a hole
,0.+cut3in!
.1#
,+.0line
!.,or#/
86
.+3#."
within
the
process
may
be.
secured
1#
.3#..element
0./.!assembly
./608,of-1
#.3#.5gauges
35.,or#,other
.# by
pressure
pressure
welded
onto
8a saddle
""0.adapter
" 1.#7.
0".",
!,the
.1#
,+.0
!.U[see
..
process
line
1#.3#./.
3#!5instruments
!#3/.!such
3+ astransducers,
#!"3+.#9 6
pressure
measuring
1paras.
#()2.3.10.3(e)
(](V'(]$.*and
!"$(f)].
-*W(
transmitters,
#!/.#9and
!"switches.
7+.(
does!,
:It",.
!+03"."
1#5/ actuated
+3 ."1#
.3#. Oconnection
not
include
diaphragm
pressure
cee[Ofc̀esleeve:
YZ[[u[Sa type
81.,of-in—line
!20!.$(flow
-0,7
#,35*connec+,!!.+2
through)
instruments
!#3/.!that
.employ
/10,8/.
+ !+00linkages
!; 5.to,trans#!2 tion
mechanical
[see
para.
2.3.10.3(g)].
,
!U
.
.1
#
(
)
(
]
(
V
'
(
]
$
5
*
W
(
mit
the
devices
/
.applied
110."1pressure
#.3#.,or#,other
.#separation
.1 #,!".
<+. connection,
welded:
housing
cee[Ofc̀eksocket
YcOv[fi[
Za[aSa 0lower
,7.#
,3!5socket
,+;.welded
7.0"."
designed
protect
".
5!."to,1
#,.+the
.1pressure
#.3#..element
0./.!assembly.
./608( O
"
#.+08to,the
.1
#,+.0
!.U[see
..1
#(2.3.10.3(d)].
)(](V'(]$"*W(
directly
process
line
para.
housing
is+
connected
to
Oconnection,
cee[Ofc̀ekfthreaded:
^Q[Na[aSthe
.0lower
,7.#
,3!5
,!!.+."
,
=2 DIAPHRAGM
SEAL
process
using
connection
para.
the
.1#
,+.0line
!.3
!5a threaded
#."."+
,!!.+,!$(see
..1
#(
)2.3.10.1).
(](V'(V*(
=2.1>?Terminology
@ABCDEFEGHIand
DJDefi
@KCDnitions
CLCEDM
cefèPcPYa
PfRSsee..Pupper
XX[Q^
cPYèbkOcontinuous
cefèPcPYa
PfR(
continuous
duty:
housing,
duty.
accuracy:
performance
NOOPQNORSthe
.+conformity
,!-,#/8,of-an!instrument's
!#3/.!T1
.#-,#/ !+. O
seal:
housing,
seal.
cefèPcPYY
[NZSsee..Pupper
XX[Q^
cPYèbkOcontinuous
cefèPcPYY
[NZ(
to,an! accepted
++.1."standard
!" #",#
#3.<value
03.U[see
..1para.
#( Ocontinuous
or true
)2.10.4.2(a)].
(V'(&()$*W(
separates
adiaphragm:
ǸX^QNb_Sthe
.-flexible
0.m60.+component
,/1,!.!that
.1 #.the
.
medium
from
the
fill
fluid
(see
para.
2.3.1).
/.
"
3/
#
,
/
.
0
00
3
"$
.
.1
#
()
(
]
(
V
*
(
diaphragm
Ocapsule:
NXYPZ[San!all—welded
0027.0".""
1#5/ assembly
./608that
threads
#."
upper
into
!,the
.31
1.#housing
,3!5$(see
..\Fig.
5(]3).*(
seal:
diaphragm
adiaphragm
ǸX^QNb_Y
[NZSa "
1#5/seal
.0isa mechanical
/.+ !+0separa.1 #2
tor
using
a
diaphragm
or
bladder
together
with
a fill
,
#3
!
5
"
1
#
5
/
,
#6
0
"".
#
,
5
.
.
#7
00
Ochemical
^[_ÒNZYseal:
[NZSsee..adiaphragm
ǸX^QNb_Yseal.
[NZ(
0
3
"
#
!
/
1#
.
3#
.#
,
/
./.
"
3/
.1#
.
2
fluid
to,
transmit
pressure
from
the
medium
to,
the
presper
Ocoeflicient
c[dd̀O`[efcofthermal
df^[Q_NZexpansion:
[gXNeYc̀eS<volumetric
,03/.#++change
!5.1
.#3unit
! sure
element
assembly.
Other
term
used
are
chemical
3
#
..
0
.
/.
!
.
/6
0
8
(w
.
#
.
#
/
3
.
"
#
.+
.
/
+
0
per#3!
unit
paras.
,of-<volume
,03/.1.
,of-temperature
./1.#3#.+change
!5.U[see
..1
#( seal
and
gage
isolator.
This
device
is
intended
to,;
keep
.
0
!
"5
5
.
,
0
,
#
(
".
<
+
.
!
.
!
".
"
.
.
1
)2.5.2.5
(h()(hand
!")2.5.1.1(a)].
(h(V(V$*W(
medium
of-
the
pressure
the
./.
"3/ ,out3,
.1#
.3#..element
0./.!assembly.
./608(The
.
13
#
1,
.,
".
<
+
.
,1
#
.
<
.
!
"
/
5
.#
,
/+
,
##,2
purpose
of
this
device
is
to
prevent
damage
from
corroin
flow:
physical
Ocold
cZad
ZciSa 1
8+0+change
!5.!the
.shape
1.,of-a part
1 #at
sion
or
clogging,
to
maintain
sanitary
requirements
of
,
!,
#+
0
,
5
5
!
5
9
,/
!
!
!
#
8#
.
x
3
#
.
/.
!
,
para.
#room
,,/temperature
./1.#3#."due
3.to,applied
110."-forces
,#+.$(see
..1
#(2.4.3).
)(&(]*(
the
medium
or#
to,#
reduce
to
./.
"
3/
,
.
"
3+
.
.1
#
,
+
.
.
/1
.
#
3#
.
the process temperature ,
property
Ocompressibility:
c_XQ[YYj̀Z̀f̀RSthe
.1
#,1.#8,of-a substance
36!+.+capable
1 60.,of- 7
which
the
+
.1
#
.
3#
..
0
.
/.
!
./608
m1,."(
pressure
element
assembly
is.
exposed.
6.!5#reduced
."3+."in!<volume
,03/.6
8application
110+,!,of-pressure
1#.3#.U[see
..
being
by
fill
fluid:
liquid
used
fill
that
portion
the
presd̀ZZd
ZPàSthe
.0
x3"3
."to,00
1
,#,!,of-
.1#
.2
paras.
1 #()2.5.2.10
(h()(V'and
!")2.5.1.1(f)].
(h(V(V$-*W(
sure-sensing
system
between
the
diaphragm
and
the
3
#
.
2
.
!
!
5
8
.
/
6
.
7.
.
!
."
1
#
5
/
!
"
.
mounting.
Oconnection:
cee[Ofc̀eSsee.._c
Pefèb(
(see
para.
2.5.1).
1#
.
3
#
.
2
.
!
!
5.
0
.
/.
!
$
.
.1
#
(
)
(
h
(
V
*
(
pressure-sensing
element
welded:
housing
butt
welded
Oconnection,
cee[Ofc̀ekjbutt
Pffi[
Za[aSthe
.0lower
,7.#
,3!5is6
37.
0"." freeze
temperature
dQ[[y[point:
XcèfSthe
.
./1.#3#.atwhich
7+a 0liquid
x3"and
!"a solid
,0"
directly
"
#.+08to,the
.1process
#,+.0line
!.U[see
..1para.
#()2.3.10.3(c)].
(](V'(]$+*W(
may
be.
in
equilibrium
[see
para.
2.5.1.1(g)].
/
86
!.
x
3
0
6
#
3/
U
.
.1
#
(
)
(
h
(
V
(
V
$
5
*
W
(
fill/bleed:
upper
housing
Oconnection,
cee[Ofc̀ekd̀
ZZljZ[[aSa +connection
,!!.+,!in!the
.31
1.#
,3!5 flow
in—line.
^QcPb^Ssee..è
zZ̀e[(
used
bleeding
3
."-for,#-filling
00!5the
.seal
.0,or#6
0.."!5.excess
m+.-fill00-fluid
03"$(see
.. dZcifthrough:
gage
isolator:
bladder
1para.
#()2.3.8).
(](n*(
bNb[Ỳ
cZNfcQSa seal
.0+consisting
,!!5,of-an!.elastomeric
0,/.#+6
0"".#
installled
within
the
connection
of
a
pressure
instrument
!
0
0
0
.
"7
!
.+
,
!
!
.
+
,
!,
1
#
.
3#
.
!
#
3/.!
flanged:
using
Oconnection,
cee[Ofc̀ekd
ZNeb[aSa 1process
#,+.+connection
,!!.+,!3
!5a -flange
0!5. ,or#in!an!adapter
fitting
(see
para.
2.3.13).
" 1.#-!5$..1 #()(](V]*(
para.
$(see
..1
#()2.3.10.2).
(](V'()*(
means
medium
bNYv[fSa /.
!used
3."to,seal
.0joints
{,!.exposed
m1,."to,the
./.
"3/
flanged
pressure
pipe
Oconnection,
cee[Ofc̀ekd
ZNeb[aX
Q[YYPQ[Oclass:
ZNYYS+common
,//,!1
1.-flange
0!5. gasket:
or#fill
fluid
2.3.5).
(see
para.
,
0
00
3
"$
.
.1
#
(
)
(
]
(
h
*
(
pressure
pressure/
1#
.3#.+classes
0.that
+conform
,!-,#/ to,1#
.3#.otemperature
./1.#3#.
eflect:
instrument's
indication
or#
per#p
ASME
B16.5
#ratings
!51.
qr%V
s(h$(see
..1para.
#()2.3.14).
(](V&*(
^head
[Na[
dd[OfSa change
+ !5.,of-an!
!#3/.!T
!"+,!,
output
when
the
elevation
of
the
instrument
is
above
,
3
13
7
.
!
..
0
.
<
,
!,
-
.
!
#
3/.
!
6
,
<
.
flushing:
permits
user
Oconnection,
cee[Ofc̀ekd
ZPY^èbSa +connection
,!!.+,!that
1.
#/the
.3
.# ,or#6
2.5.2.7).
below
the
seal
(see
para.
.
0
,
7
.
.
0$
.
.1
#
(
)
(
h
(
)
(
|
*
(
purge
below
diaphragm
to,13#
5.the
.<volume
,03/.6
.0,7 the
."
1#5/ without
7,3
directly
diaphragm
the
process
process
para.
#removing
./,<!5the
..entire
!#.seal
.0-from
#,/the
.1#
,+.0line
!.$(see
..1
#( in—line:
èzZ̀e[Sa "
1#5/seal
.0installed
!00.""
#.+08in!
.1#
,+.
para.
)2.3.11).
(](VV*(
-flow
0,70line
!.$(see
..1
#()2.3.10.3).
(](V'(]*(
&&
44
American
Mechanical
Engineers.
Copyright
}~
€‚ƒ„ ©†‡2006
ˆˆ‰†Šby€†the„‹†Œ‹
‚Ž†‘Society
~Ž‚‹€†~of’†“‹
Ž„‚Ž”†•
ƒ‚‹‹–—
No
material
ASME.
˜~reproduction
‹~™šŽ‚~†may
€†Šbe‹†made
™‹†~of’†this
„‚–†
‹‚”†without
›‚„~š†written
›‚‹†Žconsent
~–‹†~of’†Œ‘
“•—
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
2879 ASME B40.100-2005
long
term
!"(closed
#$
!%&'the
()*
)+,+'-./)'to01)
/023 Gupper
NNFhousing,
G[noncontinuous
#GG$
G!&an
-.J44
)*(
0J+,.8'
(-'
stability
system):
resistance
decomduty:
upper
housing
that
40
+
,
'
,
0.54(6
+
,
/
71,
+
,
.
'
)
8
*
'
,
0
.50
*0'
()
*/
()
2,
/
7
10
)
+.
0
'4*
)
9
)
.
'128
)'
0'
(
)1,
4
(
*
8
2
0
*7
)
P
,
.8
position, physical disintegration, or other chemical
does not prevent damage to the diaphragm or leaking
a long
period
paras.
process
fluid
pressure
instrument
/change
(-.8)0over
9)*-7
0.84
)*,010of:'time
,2);[see
+))4
-*-+<=2.5.2.4
<><=<?-and
.1 0of:'the
()4
*0/)++:
7J,1+should
(0J71'the
()4
*)++J*),
.+'*J2).'leak
7)-P
2.5.1.1(j)].
=
<><@<@ABCD<
0or*I
)209)1A(see
+))4*-<2.3.2.3).
=<K<=<KC<
be)*
removed
para.
that
if:
lower
EFhousing:
G&'the
()/component
0240.).'/connected
0..)/')1'to0'the
()4
*0/)++ Gupper
NNF
G[
T&-an.J4
4)*(
0J+,.8'
(-',
process
housing,
nonremovahle:
upper
housing
7line
,.)-and
.1H)
'')1I
6'the
()4*
0/)++:fluid
7J,1A(see
+))4*-<=2.3.3).
<K<KC< *removed
)209)1:from
*02'the
()I
0''02 housing
(0J+,.8H,
'('the
(),
.+'*J2).'
wetted
by
process
para.
bottom
with
instrument
will
of::
fill
fluid
para.
,installed,
.+'-77)15H,
77*result
)+J7',in.'the
()7loss
0++0
,77:
7J,1A(see
+))4
-*-<
$G&'the
()4*
0/)++:fluid
7J,1A(gas
8-+0or*7liquid).
,LJ,1C<
medium:
process
2.3.2.5).
=
<
K
<
=
<
>
C
<
mid—housing
$MFG"(cleanout
#Gring):
%&'the
()/component
0240.).'7
0/-')1 Gupper
located
NNFhousing,
G[removable:
T&-an.J4
4)*(
0J+,.8'
(-'26I
upper
housing
that
may
be)
I)'H)).'the
()J4
4)*-and
.17lower
0H)*(
0J+,.8A(see
+))4para.
-*-<=2.3.4).
<K<?C< *removed
between
upper
housing
)
20
9
)
1:
*
0
2'
(
)I
0
'
'
0
2
(
0
J+
,
.
8H,
'
('
(
),
.
+
'
*
J
2)
.'
from
the
bottom
housing
with
the
instrument
maximum
N
Grating:
&'the
()2O,2J2 0operating
4)*-',.84*
)++J*)A(see
+)) ,installed
pressure
pressure
without
loss
of::
fill
fluid
(see
para.
2.3.2.4).
.
+
'
7
7
)
1H,
'
(
0
J'7
0
+
+0
,
7
7:
7
J
,
1A
+
)
)4*
<
=
<
K
<
=
<
?
C
<
4*-<=2.3.14).
<K<@?C<
para.
pressure:
pressure
vapor
in
equilibrium
Tvapor
NN
G&'the
()4*
)++J*)0of:'the
()9
-40*,
.)
LJ,7,I*,J2
N
##connection:
#&-2)
'(01:for0*-attaching
''-/(,.80or*,installing
.+'-77,.8 with
process
a method
2.5.1.1(e)
and
2.5.2.9].
H,
'
('
(
)7
,
L
J,
1;
+
)
)4*
+
<
=
<
>
<
@
<
@
A
)
C.
1=
<
>
<
=<XD<
the
liquid
[see
paras.
a diaphragm
a process
-1,
-4(*-82+seal
)-7'to0-4
*0/)++7line,
,.)5'tank,
-.P59vessel,
)++)75)etc.'/<A(see
+)) Tviscosity:
#!&'the
()*
)+,+'-./)'that
(-'-8
-+)0J+0
,LJ,1+system
6+')2
resistance
a gaseous
or*7
liquid
4*-<=2.3.10).
<K<@QC<
para.
offers
to0:
flow
when
it',
is++
subjected
to0-+
a shear
stress.
0
:
:
)
*
+'
7
0
H
H(
)
.,
JI
B
)
/
'
)
1'
(
)
*+
'*)++<
reinforcing
R#rings:
&*rings
,.8+'that
(-'+support
J440*'/clamping
7-24,.8:forces
0*/)+0on. ^7
Also,
known
as+:
flow
[see
paras.
2.5.2.8
and
+
0
5P
.
0
H.7
0
H
*
)
+
,
+
'
.
/
);
+
)
)4
*
+
<=
<
>
<
=
<
_.1
resistance
.
0.2)'-77,/7lower
0H)*(housings
0J+,.8+A(see
+))4*-<=2.3.6).
<K<SC<
nonmetallic
para.
=2.5.1.1(d)].
<><@<@A1CD<
sanitary
a quick
disconnect
where
upper
!seal:
&-L
J,/P1,
+/0..)/''type,
64)5H(
)*)'the
()J44
)* Tvolumetric
G#$displacement:
N#&the
'()9
07J2)0of::fill,77:fluid
7J,11,
+47-/)1
volume
displaced
a unique
-and
.17lower
0H)*housings
(0J+,.8+-are*)(held
)71'together
08)'()*by
I6-J.
,LJ)/clamp,
7-245 by
the
movement
of:'
the
diaphragm
(see
para.
2.6.1).
I
6'
(
)20
9
)
2)
.
'0
(
)1,
4(
*
8
2
A
+
)
)4
*
<
=
<S<@C<
4)
*2,'',.8)ease
-+)0of:1,
+2-.'7,.8-and
.1/cleaning
7)-.,.8A(see
+))4*-< Tvolumentric
permitting
dismantling
para.
spring
the
the
diaphragm
G#
Nrate:
&'
():flexibility
7)O,I,7,'60of:'
()1,
-4(*-82
=2.3.12).
<K<@=C<
2.6.1).
A
+
)
)4
*
<
=
<
S
<
@
C
<
(see
para.
service
T#temperature
NGrange:
&'the
()(high
,8(-and
.17low
0H'temperatures
)24)*-'J*)+ E
$
GR#&'the
()40
*',0.+0of:'
()1,
-4(*-82 seal
+)-7'
(-'
wetted
surface:
portions
the
diaphragm
that
which
will
I)'H)).H(
,/('the
():fill,77:fluid
7J,1H,
77*remain
)2-,.+serviceable
)*9,/)-I7);[see
+)) -are
between
*
))
O
4
0
+
)
1'
0'
(
)2)
1,
J2<
exposed
to
the
medium.
4*-=2.5.1.1(b)].
<><@<@AICD<
para
N#R#
T!&'the
()*ratio
-',00of:-:
7J,1U+1)
.+,'6'to0'the
()1)
.+,'6 `
specific
gravity:
a fluid’s
density
density
Mounting
Diaphragm
2.2
à bc
defgehcofijg
klmnkhopSeals
qkrs
paras.
0of:water
H-')*-at'?4°C
VWA(39.2°F)
KX<=VYC;[see
+))4*-+<=2.5.2.7
<><=<Z-and
.1=2.5.1.1(c)].
<><@<@A/CD< t(
The)4(
physical
properties”
medium
6+,/-70or*u”flow
:70H4*
04)*',)+v0of:'the
()2)
1,J2+such
J/(
spontaneous
NGignition
temperature:
NG&'the
()'temperature
)24)*-'J*)-at' -as+7
listed
below
may
determine
method
,+')1I
)70H261)
')*2,.)'the
()2)
'(010of:-attaching
''-/(,.8
which
H(
,/(,ignition
8.,',0./can
-.0occur
//J**resulting
)+J7',.8:from
*02 'the
()8generation
).)*-',0. 0or*,
installing
diaphragm
.+'-77,.8'the
()1,
-4(*-82 +seal:
)-7w
0of:()
-''that
(-'/cannot
-..0'I)*
)-1,761,
++,4-')1;[see
+))4*-< "(a)%'the
heat
be readily
dissipated
para.
physical
a gas
or*7
liquid
()4(
6+,/-7/characteristics,
(-*-/')*,+',/+5i.e.,
,<)<5-8
-+0
,LJ,1
=2.5.1.1(i)].
<><@<@A,CD<
(19)
the
percentage
"%'()4)*/).'-8)0of:+solids
07,1+
point
melting
()2)
7',.8-and
.1:freezing
*))],.840
,.'
temperature,
NG[ambient:
&'the
()'temperature
)24)*-'J*)0of:'the
()-atmosphere
'20+4()*) "(C)#%'the
effect
())
::)/'0of:/changes
(-.8)+,in.4*
0/)++0or*ambient
-2I,).''temper)24)*3
process
+surrounding
J**0J.1,.8'the
(),instrument/
.+'*J2).'\+seal
)-7-assembly
++)2I76A(see
+))4para.
-*-< "(d)$%'the
-atures
'J*)+0on.'the
()9
,+/0+,'6
viscosity
2.5.2.5).
=
<><=<>C<
(e)
maximum
minimum
%'the
()2O,2J2 -and
.12,
.,2J2 temperatures
')24)*-'J*)+
process:
medium
temperature,
NG[N
#&'the
()'temperature
)24)*-'J*)0of:'the
()2)
1,J2 -at' "
(f)
the
maximum
and
minimum
process
"
R
%'
(
)2O
,
2J2
.
12,
.
,
2J2
4
*0/)++4
*)++J*)
pressure
pressure
para.
'the
()4
*)++J*)/connection
0..)/',0.0of:'the
()7lower
0H)*(housing
0J+,.8A(see
+))4*-< "(g)%'the
need
to
provide
the
capability
to
clean
the
(
).
)
)
1'
04*
0
9
,
1)'
(
)/
4
I
,
7
,
'
6'
0/
7)-.'
()
2.5.2.5).
=
<><=<>C<
process
piping
4*
0
/
)
+
+4,
4
,
.
8
storage:
temperature,
NG[
&'the
())extremes
O'*)2)+0of:'temperature
)24)*-'J*)A(high
(,8(
2.2.1
common
`ax yThreaded
mnqkzqz{Connection.
ceeq|fgceaThe
t()20+
0220.
most'/
will
be))
exposed
-and
.17low)
0HC'that
(-''the
(),instrument/
.+'*J2).'\+seal
)-7H,
77I
O40+)1'to0 `a
a diaphragm
method
for
2)
'(01:
0*-attaching
''-/(,.80or*,installing
.+'-77,.8-1,
-4(*-82 +seal
)-7'to0
when
pressurized
para.
H(
)..not0'4*
)++J*,])1A(see
+))4*-<=2.5.2.6).
<><=<SC<
a process
line,
tank,
or*9
vessel
is+H,
with
a threaded
connec-4
*
0
/
)
+
+7
,
.
)
5
'
.
P
5
0
)
+
+
)
7
,
'
(-'
(
*
)
1)
1/
0
..)/3
point:
which
thermal
F$decomposition
#NN
&'the
()'temperature
)24)*-'J*)-at'H(
,/( 'tion.
@'1/4? ,
Common
connections
are
from
in.
18
NPT to
.
<@
_}~t'
0
,
0
.
<W0
220
./
0
.
.
)
/
'
,
0
.
+*
):
*
0
2
physical
/changes
(-.8)+,in.'the
()/chemical
()2,/-70or*4(
6+,/-7/characteristics
(-*-/')*,+',/+0of:-a @14/2@=,in..<@11.5
NPT per*^
ASME
B1.20.1.
With
this
method
@
<
>}~t4)
€‚@
<
=
Q
<
@
<ƒ,
'
('
(
,
+2)
'
(
0
1
material
para.
2')*,-7-are*),initiated
.,',-')1;[see
+))4*-<=2.5.1.1(h)].
<><@<@A(CD<
process
media
should
be))
either
liquid,
0of:/connection,
0..)/',0.54
*0/)++2)
1,-+
(0J71I
,'()*7
,LJ,15
includes
a connection
Gupper
NNFhousing:
G&'the
()/component
0240.).''that
(-',
./7J1)+-/
0..)/',0. vapor,
a combination
these,
9-40*50or*8gas,
-+50or*-/
02I,.-',0.0of:'
()+)5but
IJ':free
*)):from
*02
pressure
para.
:for0*'the
()4*
)++J*),instrument
.+'*J2).'A(see
+))4*-<=2.3.2).
<K<=C<
A small
percentage
could
plug
clog
+solids.
07,1+<^+
2-774)
*/).'-8)0of:+solids
07,1+/
0J7147
J80or*/
708
process
build
up in
the
isolator
()4*
0/)++'takeoff
-P)0::pipe
4,4)0or*I
J,71J4,
.'
(),
+07-'0*/cavity
-9,'6
upper
housing
Gupper
NNFhousing,
G[#continuous
GG$duty:
G!&-an.J4
4)*(
0J+,.8'that
(-' 'the
process
diaphragm.
()4
*0/)+++side
,1)0of:'the
()1,
-4(*-82<
prevents
damage
diaphragm
4*
)9).'+12-8)'to0'the
()1,
-4(*-82 0or*7leaking
)-P,.80of:'the
() 0on.'the
media
not
be)+
sufficiently
viscous,
Process
~*
0/)++2)
1,-+should
(0J71.
0'I
J::,/,).'769
,+/0J+50or*
process
pressure
leak
be)
4*
0/)++:fluid
7J,1+should
(0J71'the
()4*
)++J*),instrument
.+'*J2).'7
)-P0or*I
the
will
pipe
the
0of:'
()'type
64)'that
(-'H,
77+solidify
07,1,:6,in.'the
()'takeoff
-P)0::4,
4)0or*'
()
para.
*removed
)209)1A(see
+))4*-<=2.3.2.1).
<K<=<@C<
lower
housing
of:'
the
diaphragm
seal
within
the
limits
7
0
H)
*(
0
J+
,
.
80
(
)1,
4(
*
8
2
+
)
7H,
'
(
,
.'
(
)7
,
2,
'+
upper
housing
Gupper
NNFhousing,
G[#continuous
GGseal:
&-an.J4
4)*(
0J+,.8'that
(-' 0of:'
the
ambient
and
process
temperatures.
(
)2I
,
)
.
'.
14*
0
/
)
+
+'
)
24
)
*
'
J*
)
+
<
prevents
process
medium
pres4*
)9).'+7leaking
)-P,.80of:'the
()4*
0/)++2)
1,J2+should
(0J71'the
()4
*)+3
2.2.2
be
however,
diamethod
`a` „Flanged
rkehqz{Connection.
ceeq|fgceaA^+second
)/0.12)
'(010of:
+sure
J*),instrument
.+'*J2).'7leak
)-P0or*I
)*removed,
)209)15(
0H)9)*5'the
()1,
-3 `a
phragm
may
be)1damaged
para.
diaphragm
is+I
by
a flanged
-attaching
''-/(,.81,
-4(*-82 +seals
)-7+,
6-:
7-.8)1/connection.
0..)/',0.<
4(
*-82 26I
2-8)1A(see
+))4*-<2.3.2.2).
=<K<=<=C<
[
?>
45
†‡ˆ‰Š‹Œ Ž‘Ž’ˆŽŒ“Ž”•“‰Š–—˜Ž™†–Š“ˆŽ†šŽ›“–Œ—˜Š–—œŽ˜‹Š˜““‰žŸ
†‰“‡‰†¡¢–Š†˜Ž•—ˆŽ’“Ž•—¡“Ž†šŽŒŠžŽ•—“‰Š—œŽ£ŠŒ†¢Ž£‰Š“˜Ž–†˜ž“˜Ž†šŽ”™›Ÿ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
Instrument COHHBCTIOH
Diaphragm support surface
Upper housing
Bolts and nuts —/|—
I
I
I
I
I
I
I
—______
_,J_L _ _
_—
\_ Fi II/bleed con nection
I
(opt'ona|)
W
T__7_
Diaphragm
f
— —
IX Lower housing
K Supplied by user
<>\/'
GENERAL NOTE: Not intended to show design detail.
Upper
Fig.
1 Housing,
!"#$Continuous
"%" !&Duty%'
The*+
integral
()
,-*./012flange
10,.*3of2-the
)*+isolator
4310-3/+
31-*6-to307
3890,: ^ff)w`xk
_yzde^(Sanitary).
s_l{q_c|`fF
0,+-0/O0application,
991+70-+3,;4
K7)0
Sanitary
such
as4
is45
bolted
a companClamped
processing
require
diaphragm
to35
be**
easily
process
piping
+ion
3,2flange
10,.*+in,-the
)*9/
37*449+
9+,.3or/-to32flange
10,.*3openings,
9*,+,.4; 2food
3369/
37*44+,./
*[K+/*6+
09)/0.8 seals
4*01404+1O
use.
Quick
clamps
may
be*K4
used
Common
0as4)hand
0,6)holes,
31*4;3on,-tanks
0,<40and
,6=vessels.
*44*14>?3
883,9pipe
+9*4sizes
+@*4 7cleaned
1*0,*60after
2-*/K4
*>}K+
7</removable
*83=051*7
1089480
O5
*6
0are/*2from
/38 AB +,>-3C+,>D+-)EFGHIAC>J210,.*4+, -to37connect
3,,*7--the
)*6+
09)/0.84
*01-to3)*9/
37*447
3,,*7-+3,
diaphragm
seal
the
process
connection
housing).
standards
cover
pressure
13D*/)3
K4+,.>QIndustry
,6K4-/O4
-0,60/647
3=*/4specific
9*7+2+7
9/*44K/*7classes
1044*43of2A150,
JL;M300,
LL;C600,
LL;A1500,
JLL;0and
,6B2500.
JLL>NFlanged
10,.*6 ~(lower
details
may
be*80
manufactured
-0+143of2-these
)*4*0applications.
991+70-+3,4>
4seals
*01480
O0also
1435
,K207-K/*6-to33other
-)*/4standards
-0,60/644such
K7) 6*
DIN.
0as4PQ
R>
2.3
T$Construction
"!%X%"
A third
method
S2.2.3
STUIn-Line
"VW"$Connection.
""X%"E)+/68*
-)36+is4-to3+install
,4-011 S
diaphragm
directly
process
-the
)*6+
09)/0.8 4seal
*016+
/*7-1O+in,-the
)*9
/37*442flow
13D 1line.
+,*> E6+
A diaphragm
09)/0.8 4seal
*017consists
3,4+4-43
*=*/017components,
3893,*,-4;as04
of24
several
()*
4*0are/*/referred
*2*//*6-to30as4Y”in—line”
+,:1+,*Z3or/Y”flow-through”
213D:-)/3K.)Z 6*
These
through
described
in
paras.
47/+5*6+
,9
0/04>2.3.1
B>M>A)/3K.)B2.3.15.
>M>AJ>
This
diaphragm
designed
dia-types.
O9*4>()
+46+
09)/0.8 4seal
*01+is44so36*
4+.,*6-that
)0--the
)*6+
0: S2.3.1
Diaphragm.
diaphragm
is4T&
€€‚The
()*6+
09)/0.8+
)*83
4-7critical
/+-+701
the
most
phragm
with
9)/0.8 +is4*essentially
44*,-+011O2flush
1K4)D+
-)-the
)*2flow
13D 4stream
-/*08 0and
,6 7component
in
the
assembly.
It
separates
the
medium
3
89
3
,
*
,
-+
,)
*0
4
4
*
85
1
O
>Q
-4
*
9
0
/
0
*
4)
*8*
6+K8
This
-thus
)K47continually
3,-+,K011OD0
4)*65
O-the
)*9
/37*448*
6+0>()
+4Y”in—
+,: 2from
washed
by
process
media.
the
fill
fluid.
It
is
designed
to
flex
in
a
direction
/
3
8
)
*2
+
1
12
1
K
+
6>Q
-+
46*
4
+
.
,
*
632
1
*
\+
,06+
/
*
7-+3,
be*K4
used
when
process
media
1line”
+,*Z-type
O9*4should
)3K165
*6D)
*,-the
)*9/
37*448*
6+0+is40a *essentially
4
4
*
,
+
0
1
1
O9
*
/
9*
,
6+
7
K1
0
/3+
44
K
/
2
0
7
*
>
P+
0
9
)
/
0
.
840
/*
perpendicular
to
its
surface.
Diaphragms
are
a liquid
a solid
is4
4slurry
1K//O3or/01
+[K+6-that
)0-7contains
3,-0+,404
31+67component,
3893,*,-;+
generally
convoluted,
because
sensitivity
over
a
wide
.
*
,
*
/
0
1
1
O7
3
,
=
3
1
K
*
6;5
*
7
0
K4
*4
*
,
4
+
+
=
+
O3
=
*
/0D+
6*
a melting
point
normal
=+473K4;3or/)has0408*
1-+,.3or/2freezing
/**@+,.93
+,-0at-,
3/801 /range
viscous,
is4.
greater
than
that
a flat
diaphragm
,.*3of2pressure
9/*44K/*+
/*0-*/)0,)0-of3202
10-6+
09)/0.8
This
method
used
0ambient
85+*,--temperatures.
*89*/0-K/*4>()
+48*
-)36+is42frequently
/*[K*,-1OK4
*6 3of02the
same
diameter.
)
*4
0
8*6+
0
8*
*
/
>
where
process
The*9/
process
D)*/*9/
37*441lines
+,*40are/**externally
\-*/,011O)heated.
*0-*6>()
37*44
7connections
3,,*7-+3,40are/*0as42follows:
3113D4]
Upper
Housing.
The*K
upper
housing
includes
S2.3.2
TS
!"()
99*/)
3K4+,.+
,71K6*40a
Threaded.
Pressure
using
^(a)_`ab
cd_edefg/
*44K/*1lines
+,*40are/*7connected
3,,*7-*6K4
+,.0a 7connection
for
the
pressure
instrument.
Since
this
3
,
,
*
7
+
3
,2
3
/)
*9/
*
4
4
K/
*+
,
4
/
K
8*
,
>
F
+
,
7
*)+47com38:
NPT.
-threaded
)/*06*67connection;
3,,*7-+3,h.generally
*,*/011ORg
(>
ponent
is4,
not
in
contact
with
the
process
fluid,
it-+
is4
93
,
*
,
-+
3
-+
,7
3
,
0
7
-D+
))
*9/
3
7
*
4
42
1
K+
6;+
Flanged.
Process
^(b)i`j
k_lmdefg/
37*447connections
3,,*7-+3,40are/*7connected
3,,*7-*6-to39pres/*4: 7commonly
made
of2
steel.
However,
if
the
external
atmo3
883
,
1
O80
6*3
4
*
*
1
>
ƒ3
D*
=
*
/
;
+
2
)
**
\
*
/
,
0
1
0
83
:
4sure
K/*2flanges.
10,.*4>
sphere
contains
corrosive
elements,
other
materials
may
4
9
)
*
/
*7
3
,
0
+
,
47
3
/
/
3
4
+
=
**
1
*
8*
,
4
;
3
)
*
/80
*
/
+
0
1
480
O
Butt
Welded.
The*6+
diaphragm
is45
butt
welded
^(C)n`op
qqrd
kedef()
09)/0.8 4seal
*01+
K--D*
16*6 be
connections
+,>
5*/required.
*[K+/*6>Standard
FA-0,60/6+instrument
,4-/K8*,-7
3,,*7-+3,40are/*AV4vin.
directly
6+
/*7-1O-to3-the
)*9
/37*441line.
+,*>
process
18NPTand3§nti4NPTfanae
A
„Rg(0
,
6
+
,
>
A
vRg(2
*
80
1
*
>
B
Welded.
The diaphragm
is44
socket
^(d)e`st
nudqrd
kedef()*6+
09)/0.8 4seal
*01+
37<*Socket
welded
directly
process
Upper
Housing,
D*16*66+
/*7-1O-to3-the
)*9/
37*441line.
+,*>
S2.3.2.1
TS
!"#$Continuous
"%" !&Duty.
%'Should
F)3K16
pressure
leak
or/5
be*/
removed,
diaThe*6+
diaphragm
within
^((3)d`sSaddle.
_eekdf()
09)/0.84seal
*01+is42fillet
+11*-welded
D*16*6D+
-)+, -the
)*9/
*44K/*+instrument
,4-/K8*,-1
*0<3
*83=*6;-the
)*6+
0:
phragm
a hole
process
pipe
may
be*4
secured
by
a matching
or/3
other
0)
31*7cutK-+into
,-3-the
)*9/
37*449+
9*3or/80
O5
*7K/*65
O 9)
/0.8 will
D+114seat
*0-0against
.0+,4-080
-7)+,.3
-)*/4support
K993/the
upper
housing,
damage
to3the
a saddle
welded
process
pipe.
04
0661*0adapter
609-*/D*
16*63onto
,-3-the
)*9/
37*449+
9*>
4surface
K/207*+in,)*K9
9*/)
3K4+,.;preventing
9/*=*,-+,.60
80.*)*
C
vC
46
†‡ˆ‰Š‹Œ Ž‘Ž’ˆŽŒ“Ž”•“‰Š–—˜Ž™†–Š“ˆŽ†šŽ›“–Œ—˜Š–—œŽ˜‹Š˜““‰žŸ
†‰“‡‰†¡¢–Š†˜Ž•—ˆŽ’“Ž•—¡“Ž†šŽŒŠžŽ•—“‰Š—œŽ£ŠŒ†¢Ž£‰Š“˜Ž–†˜ž“˜Ž†šŽ”™›Ÿ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
2879 ASME B40.100-2005
Instrument COI'i nection
Upper housing
Bolts and nuts —/|—
—_.._.__
._
_,l_L _ _
\_ Fill/bleed connection
I
(opt'onal)
T]
T___l_
/_
— —
K Lower housing
Supplied by user
GENERAL NOTE: Not intended to show design detail.
Upper
Fig.
2 Housing,
!"#$Noncontinuous
"%"&" !'Duty&(
diaphragm
The3@*
2 in.
to1[*
5 in.
)*
+,-.+/0 1or.2leaking
3+4*5/1of67the
-303
)*80 9(see
:33;Fig.
*/<=1).><?See33 N5<7
5<Versions
J3.:*15:1of67
-*::
3+2may
0+LI
3)M*
7medium
this
seal
be38:
used
with
para.
diaphragm
with
the
process
with
,+
.+<@2.10.4.2(h).
<=A<B<@9-><
7the
-3)*
+,-.+/0:surface
8.6+K36flush
28:-M*
7-7
-3,
.1K3::1or.M*
7-+a
flushing
The3)*
diaphragm
an
integral
part
of6+
a
28:-*5/.ring.
*5/<N+,-.+/0 *is:+
5*
573/.+2,+
.71
2.3.2.2
C
!"#DContinuous
"&" !ESeal.
FG?Should
-182)7the
-3 6
Upper
Housing,
:
7
+
5
)+
.
)6
2
+
5
/
3+
5
)*
5
:
7
+
2
2
3
)7
2
8:
-M*
7
-7
36
2
+
5
/
3
standard
flange
and
installed
to1I
be36
flush
with
the
flange
pressure
be3.
removed
,.
3::8.3*instrument
5:7.803572leak,
3+4H1or.I
301J3)+accidentally,
KK*)357+22LH :sealing
face.
See
Fig.
6,H*
illustration
(a).
3
+
2
*
5
/6
+
K
3
<?
3
3;
*
/
<`
2
2
8
:
7
.
+
7
*
1
59
+
>
<
diaphragm
will
a support
7the
-3)*
+,-.+/0M*
22:seat
3+7+against
/+*5:7+:
8,,1.7:surface
8.6+K3*in57the
-3
Upper
Housing,
Seal
2.3.2.7
Ca
!"#Flush
G!]Flanged
GF"^E
FGb(SandEF"^c
upper
housing
prevent
medium.
The3
8,
,3.18:*5/7to1,.
3J3572leakage
3+4+/31of67the
-303
)*80<Nwiched)
These
provide
a basic
3:3:seals
3+2:,
.1J*)3+I
+:*K
d%]^eWith
f&]gBackup
F%hFlange.
GF"Ndiaphragm
)*
+,-.+/0 0+
LI
0+/3)O[see
:33,+
.+<@2.10.4.2(i)].
<=A<B<@9*>P<
may
be3)+
damaged
para.
2 in.
to
5 in.
process
or.M*
withconnection.
Available
with
@*
5
<
7
1[*
5
<
,
.
1
K
3
:
:K
1
5
5
3
K
7
*
1
5
<
iJ
+
*
2
+
I
2
3M*
7
-1
7-R
Upper
Noncontinuous
The3 1
2.3.2.3
CC
Housing,
!"#$
"%"&" !'Duty.
&(Nout
a flushing
ring,
this
seal
has
a flush
or..
recessed
8
7+6
2
8
:
*
5
/.
*
5
/
H7
*
::
3
+
2+
:+6
2
8
:
-1
3
K
3
:
:
3)
8,
,3.18:*5/)1
3:5
17Kcontain
157+*5+0+
7K-*5/1or.1other
7-3. )*
upper
housing
does
not
a matching
diaphragm
surface.
The3K
Capillary
connection
is:1
on
the
+
,.
+
/
0
:
8.
6
+
K
3
<N+
,*
2
2
+
.
LK
1
5
5
3
K
7
*
1
5*
57
-3
diaphragm.
Leakage
:support
8,,1.7:surface
8.6+K37to1:support
8,,1.77the
-3)*
+,-.+/0<Q3
+4+/31of6 :side
*
)31
3:
3
+
2
H3
5
+
I
2
*
5
/8
:
3*
5+
.
3
+
:M3
.
3:
,
+
K
3*
of67
the
seal,
enabling
use
in
areas
where
space
is:
pressure
may
dam7the
-3,.
3::8.3*instrument
5:7.803571or..removal
301J+20+
L.result
3:827*in5)+
0R 2limited
or..
restricted
on
the
outside
of6the
vessel.
Because
*
0*
7
3
)1
3
:
7
.
*
K
7
3
)1
57
31
87
:
*
)31
7
3J
3
:
:
3
2
<
j3
K
+
8:
3
diaphragm
medium
+age
/37to17the
-3)*
+,-.+/0+and
5)2loss
1::1of67the
-303
)*809(see
:33;Fig.
*/<2).
@>< 7the
not
a permanent
seal,
-36flange
2+5/3*is:5
17+,
3.0+5357part
,+.71of67this
-*::
3+2Hit*7provides
,.1J*)3:
flexibility
where
with
different
.38user
:3.6
23k*I*2*7LM3.36flanges
2+5/3:M*
7-)*
663.357,.
3:R
more
presUpper
pressure
2.3.2.4
CS
Housing,
!"#TRemovable.
UVFWGThe
N-3,
.3::8.3 01
ratings
are
required.
diaphragm
8.3.
+7*5/:+
.3.
3l8*.3)<The
N-3)*
+,-.+/0 housing
-18:*5/Kcor1.R
may
be3.
removed
*instrument
5:7.80357+and
5)7top
1,-housing
18:*5/+assembly
::30I2L0+
LI
301J3) :sure
the
face
a standard
3:,15):7to17
-3:size
*m31of67the
-3:sealing
3+2*5/6
+K31of6+:
7+5)+.)
6from
.10 7the
-3I
17710 housing
-18:*5/+as:+85
*7HM*
7-1872
1::1of66fill*22 .responds
bottom
a unit,
without
loss
Upon
installation,
diaphragm
sand2+5/3<n,
15*
5:7+22+7*15H7the
-3)*
+,-.+/0 :seal
3+2*is::
+5)R
be3)1
done
when
no
pressure
6fluid
28*)9(this
7-*::should
-182)I
531only
52LM357there
-3.3*is:5
1,.
3::8.3 6flange.
between
process
a standard
blind
M*K-3)I
37M3357the
-3,.
1K3::6flange
2+5/3+and
5)+:
7+5)+.)I
2*5)
process
The3)*
diaphragm
may
be3K
clamped
*in57the
-3,
.1K3::2line).
*53><N+,-.+/0 0+
LI
2+0,3) wiched
illustration
2+5/3<See
?33;Fig.
*/<`6,H*
228:7.+7*159(b).
I><
upper
housing
with
a middle
housing,
welded,
7to17the
-38,
,3.18:*5/M*
7-+0*
))2318:*5/HM3
2)3)H 6flange.
bonded,
upper.housing.
I15)3)H1or.1otherwise
7-3.M*:3+attached
77+K-3)7to17the
-38,,3
18:*5/<
Upper
Housing,
upper
2.3.2.8
Co
!"#pInserted
"!&^Flange.
GF"The
N-38,,
3.
The3)*
diaphragm
may
be30+
made
a capsule
N+,-.+/0 0+
LI
)3*in57the
-36form
1.0 1of6+K
+,:823 housing
with
its
welded
diaphragm
is::
separated
from
1
8:
*
5
/M*
7
-*
7
:M3
2
)3
))*
+
,
.
+
/
0
*
3
,+
.
+
7
3
)6
.
1
0
upper
housing
Figs.
3 and
4).>
7threaded
-.3+)3)*into
5717the
-38,,
3.18:*5/9(see
:33;
*/:<X+
5)B
< 7the
retainer
-3.
37+*53.6flange.
2+5/3<See
?33;Fig.
*/<_7.<
Upper
When
2.3.2.5
CY
Housing,
!"#$Nonremovable.
"UVFWGZ357the
-3
2.3.2.9
Cq
Housing,
!"#Flanged
GF"^ESeal
FGWith
f&]rExtended
s&"^^
Upper
diaphragm
upper
by
)*
+,-.+/0*is:Kclamped
2+0,3)7to17the
-38,
,3.housing
-18:*5/I
L7the
-32lower
1M3. '
Diaphragm.
flanged
in
2 in.
5 in.
tk735)3)6
2+5/3):seals
3+2:*
5@*
5<7to1[*
5<verJ3.R
F]FUExtended
housing,
pressure
upper. :
18:*5/H.removal
301J+21of67the
-3,.
3::8.3*instrument
5:7.80357+and
5)8,,3
sions
provide
a choice
*15:+are.3Kcommon
10015+and
5),.
1J*)3+K
-1*K31of63extension
k735:*15
will
in
housing
housing
18:*5/+assembly
::30I2L6from
.107the
-32lower
1M3.18:*5/M*
22.result
3:827*
5 2length.
2 in.,
4 in.,
6 in.,
35/7-<NTypical
L,*K+23extension
k735:*152lengths
35/7-:+are.3@*
5<HB*
5<H`*
5<H
2loss
1::1of67the
-36fill*226fluid
28*)9(see
:33;Fig.
*/<[5).><
8 in.
These
mount
pipe
flanges
and
+and
5)u*
5<N3:3:seals
3+2:01
8571on5,*
,36
2+5/3:+
5)3extend
k735)
Fig.
insulation
wall.
-.18/-*
5:82+7*157to17the
-37tank
+54M+
22<See
?33;
*/<8.u<
Upper
Housing,
Flanged
2.3.2.6
C\
!"#Flush
G!]Flanged.
GF"^;2
+5/3) 7through
Housing.
lower
housing
a mounting
when
to1
CCvLower
d
!"The
N-32
1M3.18:*5/Kconnects
1553K7:7
:seals
3+2:*include
5K28)3+01
857*5/6flange
2+5/37that
-+7+assists
::*:7:M-3
5 2.3.3
diaphragm
with
process
process
line,
wetted
by
the
medium.
For
this
-3,.
1K3::2
*53H+and
5)*is:M3
773)I
L7
-303
)*80<;
1.7
-*:
+aligning
2*/5*5/7the
-3)*
+,-.+/0 M*
7-7the
-3,.
1K3::Kconnection.
1553K7*15< 7the
[
B_
47
American
Engineers.
Copyright
wx
yz{|}~©€2006
‚‚ƒ€„byz€the
~€†‡
{|ˆ‰Š€‹Society
xˆ|z€xofŒ€Mechanical
ˆ~‰Š|ˆ‰Ž€Š
}|Š {‘
No
material
ASME.
’x{reproduction
y{x“”ˆ|xŠ€may
‡‰z€„be€made
‡‰“€xofŒ€this
~|€‡‰
{|‰Ž€without
•|~x”€written
•{|Š€ˆconsent
xŠŠ€xofŒ€†‹
‘
01234567866966
00213014567
DIAPHRAGM SEALS (B40.2)
ASME B40.100-2005
O-ring
Weld
Adapter
Backup plate
Diaphragm
Capsule
Instrument COl‘l|'1€CtlOl’l
T :
Bolts and nuts
1
:7:
I I
Upper housing
l
IF————— __|'———]
ll
T
Capsule
(See above
for detail)
__
_l
_ r — — ‘|\\_
Fill/bleed connection
(optional)
_
Lower housing
|
l
<>\/'
X Supplied by user
GENERAL NOTE: Not intended to show design detail.
Upper
Fig.
3 Housing,
!"#$%Removable
& '()*
material
must17,8
be compatible
with
medium
commonly
made
+reason
,-./01the
2,31,+4-536.
/39-1475,:4
121the
2, 0not/1in408contact
/01-81with
:4121the
2,3,
;463-and
0;-are+,8
/33/05V3;,
medium.
para.
corrosive
3,
;463<=See,,9+-<>2.3.10
<?<@ABfor/+9+
/8,..8connections.
/00,814/0.<
/ofB.steel.
1,,5<TIfB1the
2,,external
S1,+0-5-atmosphere
13/.92,+,8contains
/01-40.8
/++/.4R,
process
elements,
materials
may
be,+
required
Fig.
9,U
5,3,01.U/other
12,+31,+4-5.3V7
,W64+,;X[see
.,,Y
4N<g
mid-housing
Mid-Housing
The,34
C2.3.4
DE
FG !"#H(Cleanout
I*(# !J%Ring).
#KL2
;M2/6.40N ,
illustration
(b)].
4
5
5
6.
1
+
1
4
/
0O
7
P
[
<
between
O(cleanout
85,-0/61+ring)
40NP4is.5located
/8-1,;7
,1:,,01the
2,6upper
99,+-and
0;5lower
/:,+ C2.3.7
Methods.
methods
mayV7
be,
hFastening
("J##E
Ji F"Several
=,R,+-53,
12/;.3housing.
This
used
diaphragm
with
2/6.40N<L2
4.2housing
/6.40N4is.6.
,;/on0;4
-92+-N3.seals
,-5.:4
12 employed
upper,
lower
housing
395/V,;1to/Bfasten
-.1,01the
2,6
99,+Umid,
34;Uand
-0;5
/:,+2
/6.40N
diaphragms.
Removal
+replaceable
,95-8,-75,;4
-92+-N3.<Q,
3/R-5/ofB1the
2,8connection
/00,814/0 ,
/N,12,+<
between
mid—housing
housing
permits
7,1:,,01the
2,34
;M2/6.40N-and
0;1the
2,5lower
/:,+2
/6.40N9,
+341. 1together.
and
Nuts.
ofB7
bolts
and
nuts
used
j(11)klmn
opqk
rstu
pqvA_.series
,+4,./
/51.0;0
61.-are+,6.
,;
Bolts
diaphragm
-access
88,..1to/1the
2,9+
/8,...side
4;,/ofB1the
2,;4
-92+-N3 without
:412/61 1to/B
process
fasten
the
housing
either
mid
lower
-.1,01
2,6upper
99,+2
/6.40N1to/,
412,+1the
2,34
;/or+5
/:,+
between
upper
housing
5loss
/../ofB1the
2,.seal
,-57
,1:,,01the
2,699
,+2
/6.40N-and
0;1the
2, 2housing.
The,2
housing
may
be,1
tapped
to/+
replace
the
nut.
40N<L2
/6.40N3V7
-99,;1
,95-8,1
2,0
61<
diaphragm.
This
housing
medium
;4
-92+-N3<L2
4.2
/6.40N4is.,exposed
S9/.,;1to/1the
2,3,
;463-and
0; /j6.
A clamp
may
the
upper
wlxo
kyzv_8
5-39-assembly
..,375V3VBfasten
-.1,01
2,69
9,+
Clamp.
(b)
material
must
be,8
compatible
with
medium.
1the
2,31,+4-536
.17
/39-1475,:4
121the
2,3,
;463<TIfB-a 2housing
lower
housing
Fig.
illustration
/6.40N1to/1the
2,5
/:,+2
/6.40NX[see
.,,Y
4N<@10,AU4
556.1+-14/0
diaphragm
used,
a mid—housing
may
be,
;4
-92+-N3 8capsule
-9.65,4is.6.
,;U-34
;M2/6.40N3V0not/17
O(a)]-P[<
3 and
+required
,W64+,;X[see
.,,YFig.
4N<?0;YFig.
4N<4,ZU4illustration
556.1+-14/0O(a)].
-P[<
Welded.
The,6
upper
lower
housings
may
be,
j(C){l|}
os}svL2
99,+-and
0;5
/:,+2
/6.40N.3V7
Gasket.
A gasket
O-ring
may
be,6.
used
C2.3.5
\](
"^J_N
-.`,1/or+aM
+40N3V7
,;1to/.seal
,-5 joined
identiby
a weld.
Weld
filler
material
is.N
generally
b
/
4
0
,
;7
V-:,
5
;<
~,
5
;B
4
5
5
,
+31
,
+
4
5
4
,
0
,
+
5
5
V4
;,
0
14M
medium.
The,3material
must
be, 8
joints
b/401.,exposed
S9/.,;1to/1the
2,3,
;463<L2
1,+4-536
.17
cal
to/1
the
material
ofB1
the
lower
housing
[see
Fig.
10,
51
2
,31
,
+
4
5/
2
,5
/
:,
+2
/
6.
4
0
NX
.
,
,Y
4
N
<@
AU
with
medium.
dia8compatible
/39-1475,:4
121the
2,3,
;463<_A 8coating
/-140N/on01the
2,;4
-M 4illustration
(b)].
5
5
6.
1
+
1
4
/
0O
7
P
[
<
phragm
may
92+-N3 /or+2housing
/6.40N3VBfunction
60814/0-as.1the
2,Ngasket.
-.`,1<
The,B
fastening
method
not
in
contact
L2
-.1,040N3,
12/;4is.Ngenerally
,0,+-55V0
/14
08
/01-81with
:412
medium.
2,3,
;463<
Reinforcing
Rings.
diaphragm
2.3.6
C
c %
#de#%
#"=Some
/3,;4
-92+-N3 .seal
,-5 1the
rings
designs
use,+
reinforcing
;,
.4N0.6.
,40B/+840N+
40N.1to/.support
699/+18clamping
5-3940NBforces
/+8,. C2.3.8
Fill/Bleed
**€*FIConnection
##eJ#H(Optional
‚J#(*Feature).
(J!KA_Bfi11/
455ƒ
These
port
is.-8
a connection
machined
with
the
/on00nonmetallic
/03,1-55485lower
/:,+2housings.
/6.40N.<L2
,.,+rings
40N.-are+,Ngenerally
,0,+-55V bleed
75,,;9/
+14
/00,814/038240,;4integral
01,N+-5:4
121
2,
Zf
American
Mechanical
Engineers.
„Copyright
†‡ˆ‰Š‹Œ©Ž2006
‘by‡the
Œ‹’“”’
ˆ‰•–—˜Society
•‰’Œ‡of™š’
•‹–—‰•–›œ—
Š‰—’’ˆž 39¢
No
material
ASME.
Ÿ ˆreproduction
’†ˆ ¡•Œ‰—may
”–‡‘be’made
”–’of™Œthis
‹‰”–
Œ’ˆ‰–›without
¢‰Œ‹¡Œwritten
¢ˆ‰ŒŒ’—•consent
—’—Œof™“˜
šœž 53'
01
23452678SEALS
92 8(B40.2)
DIAPHRAGM
2879 ASME B40.100-2005
Instrument connection
Diaphragm support su rface
Bolts and nuts —/l I
|
Upper housing
'
x
I
l '
VI’
l_l_
_ _ _ _ _ _r—
_ T — — —[ — f
I
|
—
— —
Fill/bleed connection
(optional)
Mid-housing (attached
to upper housing)
_l
Jw Lower housing
ix
|
Supplied by user
'<>\/'
la)
Instrument connection
Diaphragm support surface
Upper housing
‘L Fill/bleed connection
(optional)
Lower housing
Diaphragm
l
l
<
l
Bond or weld diaphragm
to upper housing
>\ /IK Supplied by user
lb)
GENERAL NOTE: Not intended to show design detail.
Housing,
Fig.
4 !"#
$%&'(Removable
)#*+,Upper
./
49
American
Mechanical
Engineers.
Copyright
01
2345678©9:2006
;;<9=by39the
87>9?@>
45ABC9DSociety
1A5>8391ofE9F>
A7BC5ABG9HC
65C>>4IJ 90$
No
material
ASME.
K14reproduction
>241LMA851C9may
@B39=be>9made
@BL>91ofE98this
75I9@B
8>45BG9without
N5871M89written
N4588>C9Aconsent
1CI>C891ofE9?D
FHJ 53'
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
Instrument connection
Diaphragm support surface
Upper housing
R Fill/bleed connection
(optional)
Lower housing
Supplied by user
'<>\/'
GENERAL NOTE: Not intended to show design detail.
Upper
Fig.
5 Housing,
!"#$Nonremovable
"%&'()
volume.
A fill
The,6
capillary
*++,
12345accessing
66,001237the
.,8filled
199,:;/9
*<,=>8
199 Z(b)]\O.
5+1995-?<5
7,-1595and
2:0size
1f,<*
07@
*175@9,
upper-./*0
housing,
material
must
be,0
suitable
may
be,1
inserted
/bleed
maximum
minimum
pressure
and
tempera5adapter
:5+7,-<5
?@
20,-7,:1into
27/7the
.,8fill199A@
9,,:+port
/-75allowing
99/B123 8for/-7the
.,<5
C1<*<5and
2:<1
21<*<+,00*-,5
2:7
,<+,-5P
diaphragm
medium
maximum
minimum
8filling
199123/of87the
.,:1
5+.-53<0seal/
,59A1instrument
207-*<,275assembly
00,<@9?5after
87,- 7ture
*-,/of87the
.,<,
:1*< 5and
2:7the
.,<5
C1<*< 5and
2:<1
21<*<
After
bleed
5assembly.
00,<@9?=>8
7,-8filling,
19912347the
.,@
9,,:0screw
6-,B 1is01
20,-7,:1into
27/ 5ambient
<@1,277temperatures.
,<+,-57*-,0=
inserted
/bleed
port
purposes
may
be,*
used
7the
.,8fill199A@
9,,:+/
-78for/-0sealing
,59123+*
-+/0,05and
2:<5
?@
0,: Z(C)g\O.
The,,
elevation
instrument
below
9,;571/2/of87the
.,1
207-*<,275above
@/;,/or-@
,9/B
bleeding
7to/+permit
,-<17@
9,,:123,excess
C6,008fill1998fluid
9*1:D(see
0,,EFig.
13=F1).G=
will
a head
effect
its
reading
or7the
.,0seal
,59B1
991introduce
27-/:*6,5.
,5:,
88,67/on21
70,5:123/
significant
at79
/
*
7
+*
7
45
2
:B1
9
9@
,0
1
3
2
1
8
1
6
5
2
75
/
B
/
+,
5
7
1
2
3
output,
and
will
be,</
more
low
operating
The pressure
instruH2.3.9
IJKInstrument
"!L%"LMConnection.
""NL"O.,+,00*-,1
207-*P +pressures.
,
0
0
*
,
0
=
ment
directly
diaphragm
<,
271is05attached
7756.,::1
-,679?7to/7the
.,:1
5+.F-53< 0seal.
,59=QStan752P Z(03)h\>06
As capillary
increases,
response
5+1995-?9length
,237.1
26-,50,047time
1<,,0+/20,5and
2:
dard
instrument
connection
ports
are
'1/4R1
in.
18STUO5
NPT and
2
=
F
2: 7temperature
:5
:1
2
0
7
*
<,
2
76
/
2
2
,
6
7
1
/
2+
/
7
05
,
errors
will
increase.
,
<+,
5
7
*,,
/
0B1
9
91
2
6
,
5
0
,
=
F7/2VTUO8
NPT female,
,<59,45although
97./*3./other
7.,-6connections
/22,671/20<5
?@
,: Z(6)i\j,
may
be,*0
used
Length,
of8the
capillary
237.40size,
1f,4material,
<57,-15945and
2:0stiffness
71882,00/
7.,6
5+1995-?
5as0-required.
,W*1-,:=
<*0
7@
,0
*6
.7
.
5
71
76
5
2@
,0
*1
7
5
@
9
?1
2
0
7
5
9
9
,
:=
must
be
such
that
it
can
be
suitably
installed.
may
be
desirable,
XIt7<5
?@
,:,
01-5@9,4.however,
/B,;,-47to/1install
2075997the
.,1instrument
207-*<,27 Z(f)k\l5
Capillary
material,
joints
between
capillary
+1995-?<5
7,-15945and
2:m
/1270@
,7B,,26
5+1995-?
following
-remote
,</7,8from
-/< 7the
.,0seal,
,5948for/-/one
2,/or-</
-,/of87the
.,8
/99/B123 5and
more
end
fittings,
must
be
compatible
with
expected
2:,
2:8
1
7
7
1
230
4<*0
7@
,6
/
<+5
7
1
@9
,B1
7
.,
C
+,67,:
-reasons:
,50/20Y
5
<@
1
,
2
76
/
2:1
7
1
/
20
4,
0
+,
6
1
5
9
9
?5
<@
1
,
2
77
,
<+,
57*-,0
ambient
conditions,
especially
ambient
temperatures
Z((1)[\7to/-remove
,</;,7the
.,1instrument
207-*<,278from
-/<5an25adverse
:;,-0,,environ2;1-/2P 5and
corrosiveness.
2
:6
/
/
0
1
;
,
2
,
0
0
=
<,
27D(temperature,
7,<+,-57*-,46corrosive
/--/01;,5atmosphere,
7</0+.,-,4;vibration,
1@-571/24 Z(g)n\>9
ment
All9m
joints
between
the
instrument
/1270@
,7B,,27
.,0seal
,595and
2:7the
.,1
207-*<,27
,etc.)
76=G
must
be
leak-tight.
<*0
7@
,9
,
5
b
P
7
1
3
.
7
=
(b)
to
locate
the
instrument
in
a
more
convenient
locaZ]\7/9/657,7.,1207-*<,27125</-,6/2;,21,279/65P
Fig.
7tion
1/28for/--readability
,5:5@1917?/or-0serviceability
,-;16,5@1917?D(see
0,,E
13=F1)G
Housing).
ComH2.3.10
I^opProcess
N!!MConnections
""NL"!q(Lower
rs
!"tl/
<P
mon
2.3.10.1
process
connections
are
described
in
paras.
</
2+/
6
,
0
06
/
2
2
,
6
7
1
/
2
05
,:,
0
6
1
@
,
:1
2+5
5
0
=
V
=
u
=
F
e=F
Attachment.
H2.3.9.1
IJ^_Remote
%LKInstrument
"!L%"L`
LL'Na%"LXIf8-remote
,</7, 7through
2.3.10.4.
a length
with
5attachment
7756.<,271is02necessary,
,6,005-?459
,237./of86capillary
5+1995-?B1
7.0suit*17P .-/*3.V=u=Fe=R=
may
be,1
installed
between
5able
@9,,end
2:8fittings
1771230<5
?@
207599,:@
,7B,,27the
.,1instru207-*P
The,9
lower
Threaded.
housing
includes
H2.3.10.1
I^o^v
a'wwO.
/B,-.
/*01231
269*:,05a
ment
This
may
be,,
enclosed
in
<,
275and
2:7the
.,0seal.
,59=O.
106capillary
5+1995-?<5
?@
269/0,:1
25a 7threaded
connection
for
attachment
to/7
the
process
.
,
5
:,
:6
/
2
2
,
6
7
1
/
28
/
-5
7
7
5
6
.
<,
2
77
.
,+/6,009line
12,
protective
+-/7,671;,5armor.
-</-=
(see
Fig.
9).G
A
threaded
lower
housing
may
be,+provided
D
0
,
,E
1
3
=
x
=
>7
.
,
5
:,
:9
/
B,
-.
/
*0
1
2
3<5
?@
/
;
1
:,
:
The following
must7@,6
be considered
when
O.,8
/99/B1238factors
567/-0<*0
/201:,-,:B.,
2 B1
with
wrench
flats
or-0
spanner
wrench
holes
to/8
facilitate
7
.B,
2
6
.8
9
5
7
0/
+
5
2
2
,
-B,
2
6
..
/
9
,
07
5
6
1
9
1
7
5
7
,
mounting
-remote
,</7,</
*271231is0-required:
,W*1-,:Y
assembly.
5
0
0
,
<@
9
?
=
The,@
bore
must7@
be,b
kept
a miniZ((1)[\O.
/-,/of87the
.,6capillary
5+1995-?<*0
,+77to/5<1
21P
lower
housing
is0:,
designed
H2.3.10.2
I^oHFlanged.
)'"wThe
O.,9
/B,-.
/*01231
0132,:
mum 1
in
<*<
2/order
-:,-7to/-reduce
,:*6,7the
.,,effect
88,67/of85ambient
<@1,277tempera,<+,-5P
ASME
B16.5
mate
with
a companion
7,5and
2:0seal
,59B1
7.56
/<+521/2>Q
yz{F
c=d8flange
9523,
If87
the
7ture
*-,6changes
.523,0*upon
+/27the
.,5accuracy
66*-56?/of87the
.,1instrument.
207-*<,27=X
., 7to/<5
various
pressure
ratings.
Flanged
dia5-1/*00sizes
1f,05and
2:+,00*-,571230=E9
523,::1
5P
bore
@/-,1is07too
//0small,
<5994.however,
/B,;,-47the
.,-response
,0+/20,7time
1<,/of87the
., 1in2;
may
become
will
phragm
parts
may
be,<5
manufactured
bar
5assembly
00,<@9?<5
?@
,6/<,*unacceptably
2566,+75@9?9long
/235and
2F:8filling
199123B1
99 +.
-53< 0seal
,59+
5-70<5
?@
2*8567*-,:/of8@
5-0stock,
7/6b4
mm)
be
more
difficult.
A bore
the
12=D(2V<<G
@,</
-,:1
8816*97=>@
/-,/of85approximately
++-/C1<57,9?7/16Fcin.
6castings,
50712304/or-8forgings
/-31230|[see
0,,EFig.
13=F11,F4illustration
199*07-571/2D(a)].
5G}=XIn27
.,
most
use,/
of80
studs
the
1is00suggested
*33,07,:8for/-</
075applications.
++916571/20=
0smaller
<599,-0sizes,
1f,047the
.,*0
7*:05assembled
00,<@9,:7to/7
.,9lower
/B,-
C
de
50
American
Mechanical
Engineers.
Copyright
~
€‚ƒ„†©‡ˆ2006
‰‰Š‡‹by‡the
†Œ‡ŽŒ
‚ƒ‘‡’Society
ƒŒ†‡of“‡”Œ
‘ƒ•‡–‘
„ƒ‘ŒŒ‚—˜
No
material
ASME.
™‚reproduction
Œ€‚š›†ƒ‘‡may
Ž‡‹beŒ‡made
ŽšŒ‡of“‡†thisƒ—‡Ž
†Œ‚ƒ•‡without
œƒ†›†‡written
œ‚ƒ††Œ‘‡consent
‘—Œ‘†‡of“‡’
”–˜
01
23452678SEALS
92 8(BlI0.2)
DIAPHRAGM
2879 ASME B40.100-2005
Diaphragm
support
!surface
"#$
nuts
%Bolts
&!and
'('!
-Instrument
'!$'!#connection
''$#!'
.$ '
<: Upper housing
—+—-
I’ _ r _ _ T
I
I I
I
i
U)/rl
II
Diaphragm
)(welded
*$&($(or+bonded
'($(ii}
'
!to$
housing)
', L 'L : :
upper
g ‘~¥ _ _ _ _ _ _ _ __J»’ ,
I
/
0$!
Gasket
I
1&$(+2$
|I<— S ”'°'°'|'ed b V ” ser
I
J
7
k//7/
27”;
</é // ///z \
d‘ A’
\
/
3(a)45
%Bolts
&!and
'('!
nuts
Blind
%&
'(flange
"&'$
Support
!Surface
"#$
Diaphragm
-Instrument
'!$'!connection
# ''$#!'
Upper
.$
housing
'
)(pancake)
'#0$,
/
0$!
Gasket
1&$(+2$
Diaphragm
)(welded
*$&($(or+bonded
'($(
upper
!to $
housing)
',
///7/7?
0
HQ/Z//,§?T
\ —__—
J
3(b)65
GENERAL
NOTE:
78
98:;<9=>
8?>These
@ABACdrawings
DEFGHIBEareDAHnotJKGintended
HKAHCACKtoJBshow
@JFCdesign
ABGIHCdetail.
AKEGLM
Upper
Housing,
NFig.
OPQR6 ST
TUVWX
YZO[P\NFlush
]YZ^NFlanged
]_[PU`
a51b
cdefghijk lmnnolpflkjqlrsqghtuvlwdthqkfldxlyqtjuvhtuzl{vihvqqg|}
53'
~dgqegd€tkhdvlsuflpqlsuqldxlkjh|lsukqghuzlhkjd€klghkkqvltdv|qvkldxlrwy{} 90¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
0
'(#!support
"''%!surface
"$
Diaphragm
Bolts
/%
!and
,"
!
nuts—>
!"#$%$%
Instrument connection
'
I I
:
:
&''
(%"!
Upper
housing
)
!*
Gasket
K: +"''
Su lied
,-.
"!
b user
<: Retainter flange
I
I
|__r:_ _J|_|_
0
'(#
or bonded
Diaphragm
1(welded
2,,%
-%,
,
to
upper
housing)
%"''
(%"!
3
+—
I
I
I
&
/
I
I I
i
U)/rI
L
I:
\
I I
I I
__
I
“x
‘~\____
\
\__|.
I
I
I
I
I
I
I
_ _ _ _ _ _ _ _ _ _
/
xr
_______ __J
__T_/
I
I
I
I
I
I
I
I
I
’47/77
k/'4//6//Z///I//{I//Z/L\\‘_‘//J
GENERAL
NOTE:
45
657896:;
5<;This
=>?@drawing
ABC>DE>is?DnotFG>intended
DGHD@H@GtoF?show
=FC@design
H?>ED@detail.
HGB>IJ
Housing,
KFig.
LMNO7 PQ
QRSTU
VWLXMYZInserted
XWRS[R\KFlange
]^XMR
Upper
0
'(#!SUPDOFT
"''%!Surface
"$
Diaphragm
Bolts
/%
!and
,nuts—>
"!
'
I
!"#$%$%
Instrument connection
I
I
I
I
:
:
I
I
I I
I I
:
:
I_
I
:
: I
'——
&''(%"!
‘
<: Upper housing
I I I
I
I
|__r|__T
I
I I I I I
I
I
:
:
I
I
\
.
I
.
.
:
:
i
I
:_
:
:
—|
— — — - — — - '' — — - — — — — — —
—
—
—
—
—
_
I
J — —':,:’_/Z;»j:,:g:’;//”
— - — — — —— ---I
|—"—
I
0
'(#
Diaphragm
or
bonded
1(welded
2,,%
-%,
, //
upper
housing)
to%"''
(%"!
3 i— =
_ _ _ _ __
i
IL
VYZZ;/_’;_:»Za_’d
I‘ — — - — — — - - — — — —
—
/
\
:
)!*
I
I<-j +"''
Supplled
_ ,
:
by user
-.
"!
Insulation
!"%
T Gasket
______|
.
—
—
-2-‘
—
;—
-r-;—-,‘
2
%_!!
\\ N Inner wall
\\
of VeSse|
— s\
/
\
GENERAL
NOTE:
45
657896:;
5<;This
=>?@drawing
ABC>DE>is?DnotFG>intended
DGHD@H@GtoF?show
=FC@design
H?>ED@detail.
HGB>IJ
8 Upper
KFig.
LMN`PQ
QRSTHousing,
UVWLXMYKFlanged
]^XMR\aSeal
R^]
bc
52
American
Mechanical
Engineers.
Copyright
de
fghijkl©mn2006
oopmqbygmthe
lkrmstr
hiuvwmxSociety
euirlgmeofymzr
ukvwiuv{m|w
jiwrrh}~
No
reproduction
may
be
made
of
this
material
without
written
consent
ASME.
eh
r
f
h
e
€

u
l
i
e
w
m
tv
g
m
q
r
m
tv
€
r
m
e
y
m
l
k
i
}
m
tv
l
r
h
i
v
{
m
‚i
l
k
e

l
m
‚h
i
l
l
r
w
m
u
e
w
}
r
wlmeofymsx
z|~
[
I
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
2879 ASME B40.100-2005
Diaphragm
Bolts and nuts —/l I
\
| I
I
f
—i
l
_I;7,.,.,— 7,,T,«,«__'l_ _ _ _'
Li
7:
Upper housing
<$_ Flushing connection
(optional)
___a_u
Ur_4.J
Lower housing
Supplied by user
Diaphragm
\.x/_
Upper housing
—I
|__Ll_
1
I: 7””
—
_~M_vw:|_ _ _
Lower housing
_I/
'/VI‘
‘L Flushing connection
(optional)
Reinforcing ring
Supplied by user
With
Reinforcing
Ring
(b)
!"#$%
%
GENERAL
NOTE:
&'
(')*+(,'.-These
/0102drawings
34567814are307not9:6intended
7:07202:to91show
/952design
016872detail.
0:46;<
Housing
=Fig.
>?@A9 BLower
CDEFGC
HI>J?
housing
welded
within
may
beVP
necessary
because
diaphragm
design
a hole
cut
process
K
LMNOPQRS
TU
VWVNNSXTU
VWSMNVLofYZO
S[KXSQRZV
NOQP
v(1)„xYfillet
ObbV\rV
bZVZrO
\KOPSK
LbVW
M\OinP\the
KV[X
LWVNN
illustration
Wconsiderations
LPNOZVXS\OLPN][see
NVV^Fig.
OQ_`11,`aO
bbMN\XS\OLPc(b)].
Ude_
bline
OPV][see
NVV^Fig.
OQ_`16,aOillustration
bbMN\XS\OLPc(a)]
Sde
welded
Fig.
v(2)†xYfillet
ObbV\rV
bZVZLonto
P\L\the
KV[X
LWVNNb
OPV][see
NVV^
OQ_`16,a
process
line
f2.3.10.3
@g@hi@gjIn-Line
JkB>JEl(Flow-Through).
=mCDknoFCH?op@qInP\this
KON\type,
T[Va\the
KV Oillustration
(b)]
b
b
MN
\
X
S
\
O
L
Pc
U
d
e
diaphragm
paralleled
process
flow,
ZO
S[KXSQR Nsurface
MXYSWVOisN[S
XSbbVbVZ\toL\the
KV[X
LWVNNY
bLra v(g)‡xNsleeve
Fig.
bVVˆV][see
NVV^
OQ_`13,{aillustration
ObbMN\XS\OLPc(b)].
Ude_
minimum
Xresulting
VNMb\OPQOinPRO
PORMR Xrestriction
VN\XOW\OLPLofY\the
KVYflow,
bLraSand
PZbless
VNN
build
deposits
because
\tendency
VPZVPWT\toLU
MObZMup[ZV
[LNO\NOinP\the
KVNseal
VSbU
VWSMNV\the
KV
This
seal
f2.3.10.4
@g@hi@‰jIn-Line
JkB>JEŠSeal
E‹ml(Crevice
ŒFE>ŽE=Free).
FEEp@K
ONN
VSbOisNNsuitMO\t
wash
diaphragm
ConnecYflow
bLr\tends
VPZN\toLrS
NK\the
KVZO
S[KXSQRWcontinually.
LP\OPMSbbT_sL
PPVWt Sable
for
rapidly
flowing
process
fluids.
TheVN
seal
forms
U
b
VY
L
XX
S
[O
Zb
TY
b
L
rO
P
Q[X
L
W
V
N
NY
b
MO
ZN
_K
V
S
bY
L
X
RN
\tions
OLPNSareXVSasNYfollow:
LbbLru
an
integral
part
ofY\
the
pipe
toLS
allow
undisturbed
flow
S
PO
P
\
V
Q
X
S
b[S
X
\L
K
V[
O
[
V\
b
b
L
rMP
ZO
N
\
MX
U
V
ZY
b
L
r
v(a)wx\threaded
KXVSZVZc(see
NVV^Fig.
OQ_`12)yd
process.
TheVK
housing
diameter
the
LofY\the
KV[X
LWVNN_K
LMNOPQZO
SRV\VXWcorresponds
LXXVN[LPZN\toL\
KV
v(b)zxYflanged
bSPQVZ][see
NVV^Fig.
OQ_`13)]
{de
face
ofYSN
a standard
standard
Nsize
OVLofY\the
KVNsealing
VSbOPQY
SWVL
\SPZSXZYflange
bSPQVLorXN
\SPZSXZ
butt
weld
v(c)|xU
M\\rV
bZc(see
NVV^Fig.
OQ_`14)}d
Wclamp
bSR[Wconnection.
LPPVW\OLP_The
KVNseal
VSbisONWcomprised
LR[XONVZLofYaSWcylindrical
TbOPZXOWSb
weld
v(d)~xNsocket
LWV\rV
bZc(see
NVV^Fig.
OQ_`15)€d
the
diaphragm
jacket
which
‘SWV\Nsection
VW\OLPc(tube)
\MUVdOinPrK
OWK\
KVXround
LMPZZO
S[KXSQR isON
welded.
rVbZVZ_See
’VV^Fig.
OQ_`17.“_
v(e)x‚Saddle
w~~ƒ
€{
American
Mechanical
Engineers.
Copyright
”•
–—˜™š›œ©ž2006
ŸŸ¡by—the
œ›¢£¤¢
˜™¥¦§¨Society
•¥™¢œ—•of©ª¢
¥›¦§™¥¦«¬§
š™§¢¢˜­® 99¢
No
material
ASME.
¯•˜reproduction
¢–˜•°±¥œ™•§may
¤¦—¡be¢made
¤¦°¢•of©œthis
›™­¤¦
œ¢˜™¦«without
²™œ›•±œwritten
²˜™œœ¢§¥consent
•§­¢§œ•of©£¨
ª¬® 53’
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
$Instrument
%&'()*+%',-connection
.%%+-'/.%
Diaphragm support surface
/’/%IK’¢
I
Clamp (supplied by
user or supplier)
1/!
LI
Gasket (supplied by
user or supplier)
Upper housing
Fill/bleed connection
(optional)
.\
I/////////.
'_
I
I /
\ Lower housing is part
of system piping
W
Diaphragm
(a)
Assembly
!"
Clamped
Instrument connection
Diaphragm support surface
7/ (7
Upper housing
/
Q
//I4’!<,[I
Ix
Fill/bleed connection
(optional)
Weld by
supplier
Lower housing
Diaphragm
<>\/'
Connection (supplied by
user or supplier)
(b)!Welded
#Assembly
!"
GENERAL
NOTE:
01
21345267
187These
9:;:<drawings
=>?@AB;>are=:AnotCD@intended
AD:A<:<D
9C?<design
:;@BA<detail.
:D>@EF
toC;
show
Methods
GFig.
HIJK10L GFastening
MNOPQHQIRP
OSTUN
2.3.1
Pressure
ratings
VJ
WJKK1 GFlushing
XYNSHQIZConnection
TQQP[OHTQ\(Optional
]^OHTQMXGFeature).
PMOY_P`J V2.3.14
JWJK‘Pressure
_PNNY_P€Ratings.
MOHQINJ„c
dnnmcdc
euogjnfd
vcdend
decrease
sknnoriqnsignificantly)
ojgohoveguiq~easns
ckvdnnkorce
prodguutemperadpsdcey
process
ambient
abcdefdfegfhiegjdfikldcbkmnogjnpeqrdscktofdf }(possibly
provide
pressure
/ temperature
mcdnoincrease.
gvcdendxSuppliers
†mssiodcnsc
ktofdsc
dnnmcd’u
dpsdceumcd
loubehimnbogjvkggdvuokgwsdcpouuogjubdmndcuksmcjd utures
various
materials
ofhfo
diaeuogjnhforkct
ecokmnpe
udcoeineand
gfvconfigurations
kghojmceuokgnk
ey
ubdecderdiklubdfoesbcejploubkmucdpktogjubdndei cratings
phragm
cejp nseals.
deinx
hckpubdsckvdnniogdxabonvkggdvuokgpeqrdikveudfog sb
Most
metal
housing
have
nupd
ueiuthreaded
bcdefdfilower
kldcb
kmnogjvconnections
kggdvuokgnb
etd
ubdpofybkmnogjwohnmssiodfzndd{ojx|woiimnuceuokg}e~x “k
a rating
ofh2,500
psioe
atu
100°F
(37.8°C).
Ratings
ofhh
flanged
ec
e
u
o
g
jk
w

Œ
Œsn
Œ
Œ
”
{}
•
–
x
‡
”
—~
x
˜e
u
o
g
j
nk
i
e
g
j
df
V2.3.11.1
JWJKKJKGFlushing
XYNSHQI€Ring.
HQIJ{Flushing
imnbogjcrings
ogjnearecdvcomkpy nseals
are
usually
determined
by
the
ASME
B16.5
flange
d
e
i
ne
c
dmn
me
i
i
qfd
u
d
c
po
g
d
fr
qu
b
d™†
“š›
œ
x
h
i
e
g
jd
monly
ƒ„a sc
pk
giqsprovided
cktofdflo
ubkone
gdkorcutwo
lk 7/4‚ ƒ„ak
with
NPT orc]/2 NPT
and
temperature
ratings.
Pressure
/ temperad
n
n
m
c
de
g
fu
d
psd
c
e
u
mc
dc
e
u
o
g
j
n
x„c
d
n
n
mc
d
’u
d
psd
c
ey
pressure
Thedc
ring
purging
the
process
vconnection(s).
kggdvuokg}n~xab
ogjhfacilitates
evoioueudnsmc
jogjkofhu
bdsc
kvdnn uture
ratings
ofhsi
plastic
components
are
generally
lower
mc
dc
e
u
o
g
j
nk
e
n
u
o
vv
k
ps
k
g
d
g
u
ne
c
dj
d
g
d
c
e
i
i
qi
k
ld
c
Thedc
ring
mounted
between
diaphragm
vcavity.
etouqxab
ogjoisnpk
mgudfr
dulddguthe
bdfo
esbcejpnseal
dei uthan
metal
components.
b
e
gpd
u
e
iv
k
psk
g
d
g
u
n
x
eand
gfuthe
bdsprocess
ckvdnnhflange.
iegjdx†Seedd{Fig.
ojx18.‡x
V2.3.15
JWJKžLocking
T[ŸHQI Device
P¡H[P\(Optional
]^OHTQMXGFeature).
PMOY_P`JA™ device
fdtovd
disV2.3.12
JWJKVˆSanitary
MQHOM_‰ˆSeals.
PMXNJ†Sanitary
egouecqnseals
deinearecdŠquick
mov‹fo
ny uthat
minimizes
possibility
ofhe
an
instrument
turning
beupo
gopo¢dnuthe
bdsk
nnoroiouqk
go
gnucmpdguu
mcgogj
upper
housings
vconnect
kggdvuutypes,
qsdnwwhere
lbdcduthe
bdms
sdceand
gfilower
kldcb
kmnogjnearecd eafter
the
diaphragm
Thedi
locking
hudcoinstallation
gnueiieuokgkongu
bdfo
esbcejp nseal.
deixab
kv‹ogj
held
by
a unique
permitting
bdifutogether
kjdubdcr
qemg
oŠmdvclamp,
iepswsd
cpouuogjdease
endkofh fd
device
bolts
housing
holds
instrutovdr
kiunutokuthe
bdutop
ksb
kmnogjeand
gfb
kifnuthe
bdo
gnucmy
dismantling
fo
npeguiogjeand
gfvcleaning
idegogjz[see
ndd{Fig.
ojx10,Œwoillustration
iimnuceuokg}(b)].
r~x pd
ment’s
wrench
in
a stationary
position.
gu£nlc
dgvbhflat
ieuo
gen
ueuokgecqsk
nouokgx
2.4
Material
JRM
OP_HMXˆSelection
PXP[OHTQ
Gauge
This
V2.3.13
JWJKWM
YIPŽlsolators.
NTXMOT_NJab
onutype
qsdkofhnseal
deivconsists
kgnonunkofh V
bladder
within
eangdelastomeric
ienukpdcovr
ieffdcoinstalled
gnueiidflo
uboguthe
bdvconnection
kggdvuokg V2.4.1
materials
used
in
fabrication
the
diaJJK The
abdpe
udcoeinmn
dfo
gh
ercoveuokgkofhu
bdfo
ey
a pressure
within
phragm
kofhesc
dnnmcdoinstrument
gnucmpdgukorclo
ubogeangeadapter
fesudchfitting
ouuogj sb
will
depend
upon
chemical
physical
cejpnseal
deilo
iifd
sdgfmsk
guthe
bdv
bdpoveiand
egfsb
qnovei
properties
the
medium.
}(see
ndd{Fig.
ojx19).
|~x
sc
ksdcuodnkofhu
bdpd
fompx
Threaded and flanged lower housings may be provided
with a flushing connection, permitting the user to purge
the area below the diaphragm without removing the seal
from the process line. This connection may be located in
the mid-housing, if supplied [see Fig. 9, illustration (a)].
‚
American
Mechanical
Engineers.
Copyright
¤¥
¦§¨©ª«¬©­®2006
¯¯°­±by§­the
¬«²­³´²
¨©µ¶·­¸Society
¥µ©²¬§­¥of¹­º²
µ«¶·©µ¶»­¼·
ª©·²²¨½¾ 39¢
No
material
ASME.
¿¥¨reproduction
²¦¨¥ÀÁµ¬©¥·­may
´¶§­±be²­made
´¶À²­¥of¹­¬this
«©½­´¶
¬²¨©¶»­without
©¬«¥Á¬­written
¨©¬¬²·­µconsent
¥·½²·¬­¥of¹­³¸
º¼¾ 53'
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
2879 ASME B40.100-2005
Diaphragm
/
\
—|——~fl
Bolts and nuts —/l
: H _l||
\_ E
Upper housing
n
__,
|Li:,7,.,.,— 7,:._:|_ _ _ _l
I
l
Lower
housing
ll
|_ll
«L Flushing connection
(optional)
.
l
_ _ _ _ __
(supplied by user)
Diaphragm
Bolts
fill‘ ill
| l l
._l
Lower
housing
Y
lll
f
—i
|l_l:»7g4_,«_.(— ‘M,T,u:'l_ _ _ _l
/%“
l
Upper housing
\
%
_ _ _ _ _ _ _ _ _ ___|:|
Mounting flange
(supplied by user)
4
||r
Nuts (may be supplied
by user)
Studs (may be
supplied by user)
GENERAL
NOTE:
!These
"#$#%drawings
&'()*+$'are&#*not,-)intended
*-#*%#%-to,$show
",(%design
#$)+*%detail.
#-')./
0Fig.
1234114 0Flanged
567289:Seal
865
The?@A
majority
diaphragm
pressure,
also
be?O
consid;2.4.2
3<3; =>
BCDEFGCofHHfailures
AEIJD?KCofHLE
AM>DAN@Kseals
?AIKAareD? Ksuch
JO>AasKtemperature
F?@M?DAFJD?Aand
PLMD
?KKJD?VKshould
>CJILA
IKCX
CPKELQ
due to
materials
diaLJ?F
CFthe
>?Eimproper
@MDCM?DKselection
?I?OFECPCofH@A
F?DEAIKHforCDLE
AQ ?ered.
be
to
enviD?LSTInPAaddition,
LLEFECPVconsideration
OCPKEL?DAFECPKshould
>CJILX
?Ngiven
EZ?PF
C?
PZEQ
phragms
medium.
M>
DAN@KAand
PLCother
F>?DKsurfaces
JDHAO?K?exposed
RMCK?LFtoCFthe
>?@?
LEJ@STInP Dronmental
corrosion
of the
external
CP@?PFAI?effects
HH?OFKKsuch
JO>AasKO
CDDCKECPCHF
>??
RF?DPAI
of materials
of construction
Fthe
>?Kselection
?I?OFECPCH@A
F?DEAIKCHO
CPKFDJOFECPHforCDAany
PG portions
diaphragm
Laboratory
corrosion
MCDFECPKCofHFthe
>?LE
AM>DAN@ seal.
K?AIS]A
XCDAFCDGO
CDDCKECP
medium
isKJK
usually
determin@?
LEJ@Dresistance
?KEKFAPO?FtoCOcorrosion
CDDCKECPE
JAIIGFthe
>?L?
F?D@EPQ Ftests
duplicating
process
/ orDA
ambient
conditions
?KFKLJMI
EOAFEPNMD
CO?KKAand
PL^C
@XE?PFO
CPLEFECPK
As a general
material
used
Eing
PNHfactor.
AOFCDSUKAN
?P?DAIDrule,
JI?VFthe
>?Ksame
A@?@A
F?DEAIJK
?LEinP @A
may
be?D
required.
user
advice
GX
?_JED?LSThe
=>?J
K?DKshould
>CJILCobtain
XFAEP?expert
RM?DFA
LZEO?
process
pipe
be? H
MD
CO?KKOconstruction,
CPKFDJOFECPVME
M?Ilines,
EP?KVFtanks,
APWKV?etc.,
FOSVKshould
>CJILX
from
a qualified
materials.
The?
DC@ A_
JAIEHE?LKsource
CJDO?HforCDKselection
?I?OFECPCofH@A
F?DEAIKS=>
used
medium.
Because
JK
?LHforCDFthe
>?Ksurfaces
JDHAO?K?exposed
RMCK?LFtoCFthe
>?@?
LEJ@SY?
OAJK? @A
materials
construction
in
with
medium
F?DEAIKCofHO
CPKFDJOFECPE
POcontact
CPFAOF`E
F>Fthe
>?@?
LEJ@
mustFbe
CofHFthe
>?Fthin
>EPOcross
DCKKKsection,
?OFECPVKspecial
M?OEAIAattention
FF?PFECP@JK
X?Ngiven
EZ?P Kshould
be?E
identified
the
diaphragm
>CJILX
L?PFEHE?LConPF
>?LE
AM>DAN@ seal.
K?AIS
material
diaphragm.
FtoCFthe
>?Kselection
?I?OFECPCofH@A
F?DEAIHforCDFthe
>?LE
AM>DAN@S[SomeC@?Q
PVC, Teflon®,
used
3<3a Plastics
bIAKFEOKKsuch
JO>AasKbcdV=
?HICPeV?etc.,
FOSVAareD?JK
?L
a material
more
heavFtimes
E@?KA@A
F?DEAI@C
D?Ocorrosion
CDDCKECPDresistant
?KEKFAPFFthan
>APFthe
>?>
?AZQ ;2.4.3
lower
middle
housings
in
diaphragm
HforCDI
C`?DAand
PL@E
LLI?>C
JKEPNKE
PLE
AM>DAN@ seals.
K?AIKS
bottom
housing
piping
be
Eier?DXC
FFC@ >C
JKEPNCorDAassociated
KKCOEAF?LME
MEPNKshould
>CJILX?
However,
temperature
pressure
limitations
`?Z?DVFthere
>?D?AareD?F
?@M?DAFJD?Aand
PLMD
?KKJD?I
E@EFAFECPK
The?M
physical
the
medium,
Oconsidered.
CPKEL?D?LS=>
>GKEOAIOcharacteristics
>ADAOF?DEKFEOKCofHF
>?@?
LEJ@V fC
\\
American
Mechanical
Engineers.
Copyright
gh
ijklmno©pq2006
rrsptbyjpthe
onupvwu
klxyzp{Society
hxluojphof|p}u
xnyzlxy~pz
mlzuuk€ egg
No
material
ASME.
‚hkreproduction
uikhƒ„xolhzpmay
wyjptbeupmade
wyƒuphof|pothis
nl€pwy
oukly~pwithout
lonh„opwritten
kloouzpxconsent
hz€uzophof|pv{
}
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
Upper housing
Diaphragm
/
\
Bolts and nuts —/l
I
-————£1/
,1
r
[A/éfi___
I
/77 r}
Lower housing
_
K Supplled
by user
GENERAL NOTE: Not intended to show design detail.
Fig.
12 Threaded
!Seal
"
plating
#to$%all&&'&
%(#)*(+,
)*,-.
(#/
#1)*#&2%adhered
3,0103#to,$4$or1#the
,0 #taken
%<05$on5#threaded
,10%303,
$.()59(%as(#
,0*coating
$%#)59$or1'
&%#)59
plastics
which
must
be0(
strictly
housings
the
%application
''&)*%#)$5+)
&&6fail.
%)&780
*%.(0$of6#their
,0)1&low
$+#tensile
05()&0(strength
#1059#, $on5#the
,0,
$.()59(-%
2/
-%9033
.1)59)installation.
5(#%&&%#)$57
will
Because
housings
may
be03%
damaged
during
plastics
usually
%and
53*cold
$&36flow
&$+ *characteristics,
,%1%*#01)(#)*(4'&
%(#)*(%are10.(
.%&&25not$# 2.4.9
usually
highly
stressed
must#
?R SFasteners
%(#0501(#that
,%#%are10.(
.%&&2,
)9,&2(
#10((03-.(
1recommended
0*$--053036for$1#threaded
,10%303'1
$*0((*connections.
$550*#)$5(7:If6 be
process
/
0(
0
&
0
*
#
0
3+)
#
,*
$
5
(
)
30
1
%
#
)
$
5#
$(
#
1
0
5
9
#
,
4
%
-/
)
0
5
#
#0->
selected
with
consideration
to
strength,
ambient
tem#threaded
,10%303'plastic
&%(#)*/
$##$-,
$.()59(%are101required,
0;.)1034*care
%10-.
(# '0
bottom
housings
must
1
%
#
.1
0
4
%
5
30
5
=
)
1
$
5
-0
5
#
%
&0
6
6
0
*
#
(
7
T
#
%
)
5
&
0
(
((
#
0
0
&6
%(>
perature,
and
environmental
effects.
Stainless
steel
fasbe
process
/0#taken
%<05#to$%avoid
=$)3$over—tightening
=01>#)9,#05)59#the
,0'1
$*0((*connec$550*> #teners
have
improved
corrosion
resistance
over
carbon
0
5
0
1
(,
%
=
0)
-'1
$
=
0
3*
$
1
1
$
(
)
$
51
0
(
)
(
#
%
5
*
0$
=
0
1*
%
1
/
$5
which
housing
#tion,
)$54+,
)*,*could
$.&3*cause
%.(06failure
%)&.10$of6#the
,0,
$.()59%after
6#01%a (steel
but
may
have
lower
strength.
Some
fastener
materi#
0
0
&
/
.#
-%
2,
%
=
0&
$
+0
1
(
#
1
0
5
9
#
,
7
T
$
-06
%
(
#
0
5
0
1
-%
#
0
1)>
'0
1)$3$of6#time.
)-07
period
%als&(-%
2/
09)5#to$&lose
$(0(strength
#1059#,%at##temperatures
0-'01%#.10(%
$+
may
begin
as(&
low
When
a flange-connected
2.4.4
?? @,
05.using
()59%6
&%590>*$550*#03#type,
2'04*caution
%.#)$5 %as(U100°F
effect
corrosive
VVWSI(37.8°C).
XY7ZWGL7Combined
G$-/)5030
660*#of$6(stress
#10((%and
53*
$11$()=0
must#/
be0.
used
As
-.(
(03)in5%attaching
##%*,)59#to$#the
,0*companion
$-'%5)$56flange.
&%5907A(
be0*
considered.
%ambient
-/)05#0environments
5=)1$5-05#((should
,$.&3/
$5()301037
%all&&#these
,0(0-%
#01)%&(%are10(slightly
&)9,#&2*compressible,
$-'10(()/&04bolts
/$&#(-.(
materials
must#
2.4.10
?[ \%
(<0#(.(
03#to$(seal
0%&#the
,0]
$)5#(/
0#+005#
,0
Gaskets
used
joints
between
the
be
Over-tightening
may
dis/0#tightened
)9,#05030evenly.
=05&27B=
01>#)9,#05)59-%
21result
0(.&#)in53)
(> 3)
diaphragm,
middle,
and
bottom
housing
must#/
be01
resis%
',
1
%
9
-4
-)
33&
0
4
%
5
3/
$
#
#
$
-,
$
.
(
)
5
9-.(
0
(
)(>
plastic
parts
possible
#tortion
$1#)$5$of6#the
,0'&
%(#)*'%
1#(%and
53'
$(()/&06failure.
%)&.107
to$#
the
medium.
#tant
%5##
,0-0
3).-7
Diaphragm
materials
2.4.5
?C D)
%',1%9- -%
#01)%&((such
.*,%as(ETefl
06&$on®,
5F4$other
#,01 2.5C
Fill
""Fluids
"^_and
` !Selection
"abc`
plastics
used.
Because
'&
%(#)*($or10elastomers
&%(#$-01(%are10(sometimes
$-0#)-0(.(
03780
*%.(0$of6 materials
may
be0'$
porous.
Consid#the
,0#thin
,)5(sections,
0*#)$5(4#these
,0(0-%
#01)%&(-%
2/
1$.(7G$
5()3> 2.5.1
is(#
the
used
to$6
fill
CFill""Fluid.
"^SFill)&&6fluid
&.)3)
,0&liquid
);.)3.
(03#
)&&#that
,%#
must#/
be09
given
potentially
hazardous
0eration
1%#)$5-.(
)=05#to$'$
#05#)%&&2,
%H%13$.()interac5#01%*> '$
1#)$5$of6#the
,0'1
0((.10>(05()59(system
2(#0-/
0#+005#the
,03)
%>
portion
pressure-sensing
between
diabetween
medium
#tion
)$5/
0#+005#the
,0-0
3).- %and
53#the
,06fluid
&.)3.used
(03#to$6fill)&&#the
,0 ',
phragm
pressure-sensing
element,
as(#
the
1%9-%and
53#the
,0'1
0((.10>(05()590
&0-05#4acting
%*#)59%
,0
diaphragm
pressure
para.
3)
%',1%9- (seal
0%&%and
53'1
0((.10)instrument
5(#1.-05#I(see
(00'%
1%7 ,hydraulic
medium
pressure.
231%.&)*-0
3).- for
6$1#transmission
1%5(-)(()$5$of6'1
0((.107
J2.5.2.2).
7K7J7JL7
following
are
2.5.1.1
CdPhysical
e_a"dProperties.
cfb_The
E,06
$&&$+)59%
10
medium
2.4.6
?M :If6#the
,0-0
3).- *contains
$5#%)5(%,
%13(solid,
$&)34%and
53#the
,0 ',
a hard
physical
fill
fluid:
2()*%&'properties
1$'01#)0($of66
)&&6
&.)3g
diaphragm
3)
%',1%9-(seal
0%&)is(#the
,06flanged
&%5903$or16flow—through
&$+>#,1$.9,#type,
2'04#the
,0 h(a)ij*
thermal
$066)*)05#$of6#
,01-%&0expansion
k'%5()$5
coefficient
possibility
diaphragm
be0
'$(()/)&)#2$of60erosion
1$()$5$of6#the
,0#thin
,)53)
%',1%9- (should
,$.&3/
(17)
service
temperature
range
h
l
j(
0
1
=
)
*
0#
0
-'
0
1
%
#
.1
01
%
5
90
Caution
must#/
be0#
taken
*considered.
$5()301037G%
.#)$5-.(
%<05#to$(select
0&0*##the
,0'1
$'01 h(C)mj(specific
proper
gravity
'
0
*
)
6
)
*9
1
%
=
)
#
2
material.
diaphragm
3)
%',1%9- -%
#01)%&7
viscosity
h(d)nj=
)(*$()#2
pressure
%'$1'
10((.10
A coating
a diaphragm
not
2.4.7
?N A*
$%#)59$on5%3)
%',1%9-(should
,$.&35
$#be
/01relied
0&)03 h(6)oj=vapor
$-'10(()/)&)#2
recom$on56for$1*corrosion
$11$()$51resistance
0()(#%5*0.unless
5&0(((specifically
'0*)6)*%&&21
0*$-> h(f)pj*compressibility
freeze
point
100H0'$
)5#
mended
by the
Coatings
may
have
been
-0
5303/2#
,0(supplier.
.''&)017G$
%#)59(-%
2,%
=0/
005 h(g)qj6
decomposition
point
,01-%&30
*$-'$()#)$5'$
)5#
purposes
may
have
voids
%applied
''&)036for$1$other
#,01'.1
'$(0(%and
53-%
2,
%=0=
$)3(#that
,%# h(11)rj#thermal
The0'0
permeability
'$5#%50$.()ignition
95)#)$5#temperature
0-'01%#.10
%allow
&&$+*corrosion.
$11$()$57E,
1-0%/)&)#2$of6#the
,0*coating
$%#)59#to$#the
,0 h(1')sj(spontaneous
media
must
be0*
considered.
*chemicals
,0-)*%&()in5#the
,0-0
3)%-.
(#%also
&($/
$5()301037
system)
h(j)tj&long
$59#term
01- (stability
#%/)&)#2I(closed
*&$(03(
2(#0-L
The0%
attributes
a fluid,
Lower
middle
may
be0*
coated
2.4.8
?O P$
+01$or1-)
33&0,housings
$.()59(-%
2/
$%#03$or1 2.5.2
CFluid
"^ !Selection.
"abc`E,
##1)/.#0($of6%6
&.)34(speci'0*)>
paras.
through
2.5.2.11,
plated
Caution
must#be
'&%#03#to$)improve
-'1$=0*corrosion
$11$()$51resistance.
0()(#%5*07G%
.#)$5-.(
/0 6fied
)03)in5'%
1%(72.5.2.1
J7K7J7U#
,1$.9,J
7K7J7UU4(shall
,%&&be/0*considered.
$5()301037
KQ
Mechanical
Engineers.
Copyright
uv
wxyz{|}©~2006
€€~‚byx~the
}|ƒ~„American
ƒyz†‡ˆ~‰Society
v†zƒ}x~vofŠ~‹ƒ
†|‡ˆz†‡Œ~ˆ
{zˆƒƒyŽ 89¢
No
ASME.
vyreproduction
ƒwyv‘’†}zvˆ~may‡x~‚beƒ~made
‡‘ƒ~vofŠ~}this
|zŽ~material
‡}ƒyz‡Œ~without
“z}|v’}~written
“yz}}ƒˆ~†consent
vˆŽƒˆ}~vofŠ~„‰
‹ 53'
01
23452678SEALS
92 8(BllO.2)
DIAPHRAGM
2879 ASME B40.100-2005
E;I on”n
Upper housing
Diaphragm
f
\_ _ _
I
I
I
I
F
="I
_E 3
Ea1
I
f ‘H'
K-1
V
Bolts
7
Ft
'
/4
'—~
A
//
j
Lower houslng
I
¢@7g I
['_—
(supplied by user)
(supplied by user)
L
I
K
_ Al
._
Mounting flanges
Bolts and nuts
H:
r—n
,
(a)
Bolts and nuts
(supplIed by user)
Instrument connection
W
Diaphragm
I I
I
r\\
F3“? I L__L
Mounting flanges
(supplied by user)
l
_gL_____Jl4u
Sleeve
(b)With
!
GENERAL
NOTE:
"#
$#%&'$()
#*)These
+,-,.drawings
/01234-0are/,3not562intended
36,3.,.6to5-show
+51.design
,-243.detail.
,60278
9Fig.
:;<=13> 9Flanged
?@A;BCDSeal
B@?With
E:FGDSleeve
?BBHB
Toxicity.
Consideration
mustYbe
made
and
/ orWc
corrosive
/ orW
I2.5.2.1
<J<I<=K
LM:N:FO<PQ
RSTUVWXYTQRZ[S
\VZX
UVQof]Ythe
^V ccontaminating
QRYXZTRXYTRfX
RU{Q
QWWQSTjVccontamination
QRYXZTRXYTQRXand
RU{Q
possibility
hazards
with
han—
_Q
SST\T̀TYaQof]^health
VXỲ^^
XbXWUSXassociated
SSQcTXYVUdT
Y^Ythe
^V^
XRe Tignition.
Reaction
with
medium
include
fRTYTQRgwV
XcYTQRdT
Y^Ythe
^VZV
UT[Zccould
Q[`UT
Rc`[UVYtoxic
QxTc
dling
beV[S
used
U`
TRfQof]]fillT̀`]fluids.
`[TUSghIf]Ythe
^V]fillT``]fluid
`[TUTisSYtoQ\
VUTinRXanR ccontamination
loss
purity,
may
damage
QRYXZTRXYTQRQorWQ̀
SSQof]_[W
TYaiwhich
d^Tc^ZX
aUX
ZXfVYthe
^V
measure
pressure
a food,
Xapplication
__T̀cXYTQRYtoQZV
XS[WV_W
VSS[WVTinRX]
QQUibeverage,
\VjVWXfViQorW process
render
medium
para.
_WQcVSSQorWW
VRUVWYthe
^VZV
UT[Z unusable
[R[SX\`V|(see
SVV_X
WXg2.8).
}g~g
pharmaceutical
process,
determine
_^
XWZXcV[YTcX`_W
QcVSSiYthe
^V[user
SVWSshould
^Q[ÙUV
YVWZTRVYthe
^V
must
I2°5'2'3
<J<I<>€Instrument
AFqnoBAFrC°mpat'b'l'ty'
Los@F:_ u:_ ?:_ FO<The
‚^V]fluT̀. `fluld
]`[T_ UZ[
SY
nature
of]Y
the
risk
involved,
if]S
small
quantities
of]Y
the
fill
R
X
Y
[W
VQ
^
VW
T
S
kT
R
j
Q
`
j
V
Ui
T
ZX
`
`
l
[X
R
Y
T
Y
T
V
SQ
^
V]
T̀
`
compatible
with
all
materials
it
contacts
such
\
Vc
Q
Z_X
Y
T
\`
VdT
Y
^X
`
`ZX
Y
V
W
T
X
`
ST
Yc
Q
R
Y
X
c
Y
SS
[c
^X
S
fluid
enter
the
of
leak
be
as
means
a Xkg
]`[TUVRYVWY^V_W
QcVSSSStream,
YWVXZiby
\aZV
XRSQ]XV̀
process
O-rings,
gaskets,
diaphragms,
pressure
elements,
and
ƒe
W
T
R
f
S
if
X
S
k
V
Y
S
iUT
X
_^
W
X
f
ZS
i_W
V
S
S
[
W
VV
`
V
ZV
R
Y
S
iX
R
U
Medium
I2.5.2.2
<J<I<ImB
C:no@and
ACpExternal
MFBqA@?pEnvironmental
AH:qLAoBAF@?rCompaLos@t h0usingS_
A fill
with
Ftibility.
:u:?:FO<v]
T̀`]fluid
`[TUSshould
^Q[`URnotQYWreact
VXcYXadversely
UjVWSV`adT
Y^Ythe
^V ^Q[STRfSg
Term
shall
beVS
suitI2.5.2.4
<J<I<„ Long
LA;K
BqoDStability.
F@u:?:FO<†FillT̀`fluid
]`[TUS
^X``\
[TYe
medium
a leak
Reaction
ZV
UT[ZQorWVenvironment
RjTWQRZVRYTif]X`
VXkSshould
^Q[`UQoccur.
cc[WgwV
XcYTQR
with
for
application
\`V]
QWccontinuous
QRYTR[Q[SQoperation
_VWXYTQRXatYSspecified
_VcT]TVUX
__T̀cXYTQR
dT
Y^Ythe
^VVenvironment
RjTWQRZVRYccould
Q[ÙTinclude
Rc`[UVYtoxic
QxTcQorWccorrosive
QWWQSTjV Xable
y57z
‡ˆ‰Š‹ŒŽ ‘’’“”ŠŽ•–—•‹Œ˜™š›ˆ˜Œ•Šˆœ•˜Ž™šŒ˜™žŸšŒš••‹¡
¢ˆ‹•‰‹ˆ£¤˜Œˆš—™Š”•—™£•ˆœŽŒ—™•‹Œ™ž¥ŒŽˆ¤¥‹Œ•š˜ˆš•šˆœ–›Ÿ¡ 9'3753'
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
Upper housing
Diaphragm
Weld by user
/—
*9 ____
M
H
\
sa_—____l
A
Supplied
by user
[Lower housing
GENERAL NOTE: Not intended to show design detail.
Fig.
14 Butt
!"Seal
#
Weld
Diaphragm
L
Upper housing
Bolts
qfl
~.-.<.»\_z-.~.-.-.
Weld by user
C”?
I
.
I“
|
/I
J
\
/V
_ _J
\ Supplied
by user
[Lower housing
GENERAL NOTE: Not intended to show design detail.
Weld!"
Seal
Fig.
15$ "Socket
%&'
#
will
be)=
greater
pressure
(service
)*+,-).temperatures,
)/0)*1.2*)(3pressures,
0*)((2*)(31and
456other
.7)*(service
)*+,-)-condi645,8 <,
;;J
*)1.)*>for6*;lower
6<)*0*
)((2*),instruments.
4(.*2/)4.(9
with
.tions.
,64(9:Incorrect
4-6**)-.(selection
);)-.,64<,
.7*respect
)(0)-..to6(service
)*+,-).tempera)/0)*18 P(/1)QRS64(
Consideration
should
be given
the
conse,
5)
*
1
.
,
6
4(
762;
5J)=
,+)4.to6.
7)64()8
gel; I
.ture
2*)*range
14=)-could
62;5*result
)(2;.,in4>fill,;;>fluid
;2,5>freezing,
*))?,4=3=)
difference
between
assembly
point
(shop)
2)
4
)
(6
>
>
)
*
)
4
)J
)
.
<)
)
41
(
(
)
/J
;
@06
,
4
.T
(760U
quences
of>5,
>formation,
6*/1.,643polymerization,
06;@/)*,?1.,643(solidification,
6;,5,>,-1.,643)etc..-9
process
ambient
1ambient
/J,)4..temperature
)/0)*1.2*)1and
450*
6-)(((service
)*+,-)1and
451
/J,)4.
temperatures.
)/0)*1.2*)(9When
V7)46optimum
0.,/2/1accuracy
--2*1-@,is(*required,
)I2,*)53the
.7)
a liqThe)1
addition
A2.5.2.5
$A$BEffect
CC&%ofCDTemperature.
EFG#GH7
55,.,646of>1;
,I8 .
filled
seal
and
instrument
system
should
be
calibrated
)1;145,4(.*2/)4.(@(.)/ (762;5J)-1;,J*1.)5
uid-filled
diaphragm
2,
58>,;;)55,
107*1=/(seal
)1;.to61an4,instrument
4(.*2/)4.may
/1@-create
*)1.)1a >,;;)75(
)0process
*6-)(((service
)*+,-)1and
451ambient
/J,)4..temperature.
)/0)*1.2*)9
detectable
pressure
5)
.)-.1J;))error
**6*,in4.the
7)0
*)((2*)*reading.
)15,4=9KSealed
)1;)5(systems
@(.)/( 1at..the
Consideration
also
be)=
given
4(,5)*1.,64(should
762;51
;(6J
,+)4.to6.
7)-Conse64()8
the
induced
-contain
64.1,4>fixed
,L)5+volumes
6;2/)(6of>;liquid.
,I2,59HTemperature
)/0)*1.2*),
452-)5 P(17)WRS6
high
or*;
low
of the
may
potential
temperatures
2)4-)(6of>06
.)4.,1;7
,=76
6<1ambient
/J,)4..
)/0)*1.2*)(
)expansion
L014(,641and/or
45M6*-contraction
64.*1-.,646>.
7)>fill,;;>fluid
;2,5/1
@ Iquences
decrease
pressure
These
which
a portion
of>the
/ instrument
assembly
,-71all;;6or*10
6*.,646
.7)(seal
)1;M,
4(.*2/)4.1
(()/J;@
,increase
4-*)1()6or*5)
-*)1().the
7)0
*)((2*)*reading.
)15,4=9H7
)())effects
>>)-.( .to6<7
NO
American
Mechanical
Engineers.
Copyright
XY
Z[\]^_`©ab2006
ccdaeby[àthe_faghf
\]ijkalSociety
Yi]f`[aYofmanf
i_jk]ijoapk
^]kff\qr 99
No
material
ASME.
sY\reproduction
fZ\Ytui`]Ykamay
hj[aebefamade
hjtfaYofmàthis
_]qahj
f̀\]joawithout
v]`_Yuàwritten
v\]`f̀kaiconsent
YkqfkàYofmagl
npr 53’
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
2879 ASME B40.100-2005
Upper housing
Weld by user
\\\
/
/
/
/
// //
/
/
/
.
X Supplied
by user
\
Diaphragm
\
Upper housing
Bolts
AHU
Weld by user
\ \ ‘l
/
/
/
A L/
/
/
/
/
/
X
/
ZDiaphragm
.
\
\
\
\
Supplied
b y user
GENERAL
NOTE:
!These
"#$#%drawings
&'()*+$'are&#*not,-)intended
*-#*%#%-to,$show
",(%design
#$)+*%detail.
#-')./
0Fig.
1234165 Welded
678979:Seal
7;8:Saddle
;9987
The@G
may
be@@
exposed,
Viscosity.
fluid
viscosity
orHH
resistance
<=
>?
ABCD@EFGforCH@example,
A=<BI@FDsun
JKDshining
LMKMKNConK@exposed
ABCD@E
V2.5.2.8
3W3V3kl
1mdYm1Xn3hL
IJMEU
MDOCDMP>C
@DMDP=KO@
midhas
effect
upon
speed
response
the
Ocapillary
=BMII=H>Iline,
MK@FPtemperature
@<B@H=PJH@Ochanges
L=KN@DGfrom
HC< noon
KCCKPtoC<M
EQ PtoCGflow
ICRL
=D=anK@
GG@OPJ
BCKPthe
L@D
B@@ECorHH
@DBCKD@CofGP
L@
night
mid-summer
mid-winter.
Exposed
a pressure
the
diaK
MNLPCorH<M
EQDJ<<@HPtoC<M
EQRMKP@HSTA
BCD@EOcompoC<BCQ pressure
BH@DDJH@Minstrument
KDPHJ<@KPPtoC=BH
@DDJH@Ochange
L=KN@=atPP
L@EM
=Q
nents
This
which
may
be@M
insulated,
on
a system
in
K
@KPD<=
>?
KDJI=P@EFLheated,
@=P@EFCorHOcooled
CCI@EPtoCHreduce
@EJO@Pthe
L@ phragm.
BLH=N<ShL
MD@effect
GG@OPwill
RMIIbe?@Ngreater
H@=P@HC
K=D
>DP@<M
KRL
MOL
variations.
instrument
a diaphragm
by
@effects
GG@OPDCofG=ambient
<?M@KPPtemperature
@<B@H=PJH@U
=HM=PMCKDS
Pthe
L@M
KDPHJ<@KPMisDOconnected
CKK@OP@EPtoC=EM
=BLH=N< Dseal
@=I?
>=a
length
of
capillary.
I
@
K
N
P
LC
GO
=
BM
I
I
=
H
>
S
2.5.2.6
Consideration
V3W3V35:Storage
XYZ;27[Temperature.
7\]7Z;X^Z73_C
KDME@H=PMCKDshall
L=II
be
given
prevent
damage
?@NM
U@KPtoCBH
@U@KPE=
<=N@PtoCPthe
L@Dseal/instrument
@=I`MKDPHJ<@KP
The@G
fill
vapor
V2.5.2.9
3W3V3ol
;]YZpPressure.
Z7mm^Z73hL
MIIfluid
GIJMEU
=BCHpressure
BH@DDJH@
Vapor
by
high
/ orHI
low
=assembly
DD@<?I>Ocaused
=JD@E?
>L
MNL=and
KE`C
CR=ambient
<?M@KPPtempera@<B@H=Q <JD
mustP?
be@O
compatible
with
the
following:
C
<B=
P
M
?
I
@RM
P
LP
L
@G
C
I
I
C
RM
K
N
q
while
Pture
JH@RL
MI@Pthe
L@=assembly
DD@<?I>MisDMinKPtransit
H=KDMPCorHDstorage.
PCH=N@S
fill
procedures
rst@evacuation
U=OJ=PMCK=and
KEG
MIIBH
CO@EJH@D
Head.
V2.5.2.7
3W3V3abEffect
cc7dXYofceLiquid
1f^19g7
;93The
hL@Dspecific
B@OMGMONgravity
H=UMP> r(a)
(b)
ambient
temperatures
u
t=
<?
M
@
K
PP
@
<B@
H
=
P
JH
@
D
may
have
a distorting
because
CofGPthe
L@Gfluid
IJME<=
>L
=U@=EM
DPCHPMKN@effect
GG@OP?
@O=JD@CofGPthe
L@ (C)vtPtransport
H=KDBCHP=and
KEDstorage
PCH=N@Ptemperatures
@<B@H=PJH@D
head
pressure.
This
pressure
will
Dstatic
P=PMOL
@=EBH
@DDJH@ShL
MDDstatic
P=PMOLhead
@=EBH
@DDJH@RM
IIbe
?@=a r
(d)
medium
pressure
and
temperature
Gfunction
JKOPMCKCofGPthe
L@Gfluid
IJMEDspecific
B@OMGMONgravity
H=UMP>=and
KEPthe
L@@elevation
I@U=PMCK rwt<@EMJ< BH@DDJH@=KEP@<B@H=PJH@
fill
V2.5.2.10
3W3V34xyCompressibility.
Y\]Z7mm1z181Xn3Compressibility
_C<BH@DDM?MIMP>CofGPthe
L@G
MII
difference
between
diaphragm
EM
GG@H@KO@?
@PR@@KPthe
L@EM
=BLH=N< =and
KEPthe
L@Dsensing
@KDMKN@eleI@Q
ment
mustPbe
higher
applications
Gfluid
IJME<JD
?@Oconsidered
CKDME@H@EMinKL
MNL@Hpressure
BH@DDJH@=
BBIMO=PMCKD
<@
KPCofGPthe
L@Minstrument.
KDPHJ<@KPS
ij
American
Mechanical
Engineers.
Copyright
{|
}~€‚ƒ©„2006
††‡„ˆby~„the
ƒ‚‰„Š‹‰
€ŒŽ„Society
|Œ€‰ƒ~„|of„‘‰
Œ‚Ž€Œ’„“Ž
€Ž‰‰”•
No
material
ASME.
–|reproduction
‰}|—˜Œƒ€|Ž„may
‹~„ˆbe‰„made
‹—‰„|of„ƒthis
‚€”„‹
ƒ‰€’„without
™€ƒ‚|˜ƒ„written
™€ƒƒ‰Ž„Œconsent
|Ž”‰Žƒ„|of„Š
‘“•
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
:
:
-ii - -E—
,
:
J
:
'
_
I"""I
— Diaphragm
:
:
!"
—
Instrument
#$"# —l- :E%connection
&%#& :
:
— Inline seal
I"""I
'
L
Q
'$
(_»|
Supplied
)*
$
by user
J<—
'$
(
Supplied
)*
$
by user
Bolts
-&
#and
($#
nuts
+,#
+
,#
Gasket-
— Gasket
GENERAL
NOTE:
./
0/123045
/65This
789:drawing
;<=8>?8is9>not@A8intended
>AB>:B:Ato@9show
7@=:design
B98?>:detail.
BA<8CD
EFig.
FGHI17J Kln-Line
LMNFLOPSeal
OQRS(Crevice
TUOVFWOEFree)
UOOX
TheZd
need
recalibrate
with
the
YZ[\]^Z_`abZ`cdcaZec^fg\[ZhZda[\f\Ycgcai_`abZec\j yb
ZZeato_k
Z[\gcYk\aZathe
bZcinstrument
d^ak]hZdazc
aba
bZ^seal
Z\g
fbk\lhmn_oZhZda_`abZec\fbk\lhc^kZp]ckZea_fk_j \attached
aa\[bZezc
ggeZ
fZde_onda
bZk
\dlZƒ\and
de\also
g^_athe
bZeZ
^ckZe
will
depend
the
range,
desired
e][ZY_ababZo_g]hZ_`[_hfkZ^^c_d_`abZ`cgg`g]ce \accuracy.
[[]k\[im
\deabZec^fg\[ZhZdakZp]ckZe`_kabZfkZ^^]kZj^Zd^cdl q2.6.2
Process
pressure
is^a
the
maxiH{Hq‡Process
UvWOww‡Pressure.
UOwwUOHˆk
_[Z^^fk
Z^^]kZc
bZh\
‰cj
ZgZhZdaa_`]d[ac_dm
mum \
and
minimum
medium
pressure
that
will
be
h]h
dehc
dc
h]h
hZ
ec
]h
fk
Z
^
^
]k
Za
b\
azc
g
gYZ
Other
TheZ`
fill
q2.5.2.11
HrHqHIIst
uOUTConsiderations.
vLwFxOUQtFvLwHyb
cgg`fluid
g]ce^should
b_]ge \applied
seal.
f
f
g
c
Z
ea
b
Zec
\
f
b
k
\
l
h
^
Z
\
g
m
to_a
the
diaphragm
not
bacteriological
with
d_a^support
]ff_kaY
\[aZkc_g_lc[\glgrowth
k_zab_orkkreact
Z\[azc
abathe
bZ
materials
h\
aZkc\g^_of`athe
bZec
\fbk\lh ^seal
Z\g_orkathe
bZcinstrument.
d^ak]hZdam
diaphragm
TheZ`
following
q2.6.3
H{HŠ‹
O~OUQtUOHyb
_gg_zcdl\
kZatypes
ifZ^_
Zhj
Temperature.
are
of`a
temperature:
fZ
k
\
a
]k
Z
Œ
a Diaphragm
q2.6H{PSelection
OROWtFvLvof|Q}
FQ~uUQGPSeal
OQR
(a)Žfk
_[Z^^atemperature
ZhfZk\a]kZ(see
^ZZf\
k\m2.5.2.5)
‘m’m‘m’“
process
para.
TheZ`
following
beZ
yb
_gg_zcdl\attributes
aakcY]aZ^_of`\and\application
ffgc[\ac_d^should
b_]geY
(I9)
ambient
temperature
(see
para.

”
\
hY
c
Z
d
aa
Z
hfZ
k
\
a
]k
Z
^
Z
Zf\
k
\
m
‘2.5.2.5)
m’m‘m’“
[considered
_d^ceZkZeY
iathe
bZ]^
Zk`for_kZeach
\[b\application
ffgc[\ac_d_of`\ec
\j (C)•^storage
by
user
a dia2.5.2.6)
temperature
(see
para.
a
_
k
\
l
Za
Z
hf
Z
k
\
a
]k
Z
^
Z
Zf
\
k
\
m
‘
m
’
m‘m“
phragm
This
is^c
intended
fbk\lh^seal.
Z\gmyb
c^glisting
c^acdlc
daZdeZe\as^\and_outline
]agcdZ_only
dgi
with
paragraph
detailed
descriptions.
zcabf\
k\lk\fbkreferences
Z`ZkZd[Z^ato_eZ
a\cgZeeZ
^[kcfac_d^mThe
ybZ q2.6.4
H{H–—v
LtFLG
Mounting
beZ[
consulted
if required.
^supplier
]ffgcZk^should
b_]geY
_d^]gaZe`for_k\assistance
^^c^a\d[Zc̀k
Zp]ckZem
Mounting
para.
and
q2.6.4.1
H{H–HI—v
LtFLGPStyle.
t‚ROH˜SeeZZf\
k\m‘2.2m‘\
deathe
bZ`fol_gj
Degradation
Accuracy.
TheZo
volumetric
disq2.6.1
H{HI}O
GUQxQtFvLvof|€
WWUQW‚Hyb
_g]hZakc[ec
^j glowing:
_
zc
d
l
Œ
placement
diaphragm
fg\[ZhZda\and
deovolumetric
_g]hZakc[^spring
fkcdlkrate
\aZ_of`athe
bZec
\fbk\lh (Ll)Ž\attached
aa\[bZeato_athe
bZ_outside
]a^ceZ_of`\fc
fZ_
Z^^Zg
a pipe
orko
vessel
mustaY
beZ\
adequate
mechanism
h]^
eZp]\aZato_\actuate
[a]\aZathe
bZ^sensing
Zd^cdlhZ
[b\dc^h _of` 
(19)
in—line

”
c
d
j
g
c
d
Z
The
will,
athe
bZcinstrument.
d^ak]hZdamyb
Z\addition
eecac_d_of`athe
bZ^seal
Z\gzc
ggƒhowever,
b_zZoZkƒ
Because
dia\affect
``Z[aathe
bZ\accuracy
[[]k\[i_of`athe
bZcinstrument.
d^ak]hZdam„Z
[\]^Zathe
bZec
\j
Mounting
Method.
para.
q2.6.4.2
H{H–Hq—v
LtFLG—O
tuvxH˜SeeZZf\
k\m‘2.2m‘\and
deathe
bZ`fol_gj
phragm
a finite
itazc
will
fbk\lh has
b\^\`
cdcaZ^spring
fkcdlkrate,
\aZƒc
ggkrequire
Zp]ckZ^some
_hZ glowing:
dlŒ
pressure
displace
necessary
fk
Z^^]kZato_ec
^fg\[Zathe
bZ`fluid
g]ced
Z[Z^^\kiato__operate
fZk\aZathe
bZ _zc
(a)
threaded

Ž
a
bkZ\eZe
pressure
fkZ^^]kZZelement.
gZhZdam
(b)
flanged

”
`
g\dlZe
This
will
beZl
greater
with
yb
c^Zeffect
``Z[azc
ggY
kZ\aZk_ondcinstruments
d^ak]hZda^zc
abZelegZj (C)•zZ
welded
geZe
ments
more
displacement,
with
diahZ
da^krequiring
Zp]ckcdlh_
kZ`fluid
g]ceec
^fg\[ZhZdaƒzc
abec
\j
\eegZ
phragms
higher
fb
k\lh^bhaving
\ocdlb
clbZkovolumetric
_g]hZakc[^spring
fkcdlkrates,
\aZ^ƒ\and
de_ond (d)™^saddle
glower
_zZkfpressure
kZ^^]kZkrange
\dlZcinstruments.
d^ak]hZda^m
(e)š[clamped
g\hfZe(sanitary)
^\dca\ki“
because of the finite displacement capability of the diaphragm. Movement of the diaphragm is required to produce both the volume of compression of the fill fluid
and the displacement required for the pressure-sensing
element to function.
C
†
60
by ¤
the
American
Society
Mechanical
Engineers.
Copyright
›œ
žŸ¡¢£©¤¥2006
¦¦§¤̈ž
£¢©¤ª«©
Ÿ¬­®¤̄œ
¬©£ž¤œof°¤±©
¬¢­®¬­²¤³®
¡®©©Ÿ´µ
No
be ¤
made
material
ASME.
¶œŸreproduction
©Ÿœ·¸¬£œ®¤may
«­ž¤̈©
«­·©¤œof°¤£this
¢´¤«­
£©Ÿ­²¤without
¹£¢œ¸£¤written
¹Ÿ££©®¤¬consent
œ®´©®£¤œof°¤ª¯
±³µ
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
2879 ASME B40.100-2005
)Instrument
'!$'!#connection
''$#!'
support
!surface
"#$
Diaphragm
%Bolts
&!and
'('!
nuts
\
/
__.I.__
IV
*$ '
<— Upper housing
+
,$!
Gasket
Diaphragm
1(welded
2$&($(or/bonded
'($(
!to $
housing)
'3
upper
l__F|
I
T
I I I
I
:
"//Fl
L
L
‘‘
____ __ ______.’
-Flushing
&'ring
'
+
,$!
Gasket
.&$(/0$
.
7
k/79
</4’ 5:7/>4 \ \ __/ /
ZL/1’//'
GENERAL
NOTE:
45
657896:;
5<;This
=>?@drawing
ABC>DE>is?DnotFG>intended
DGHD@H@GtoF?show
=FC@design
H?>ED@detail.
HGB>IJ
KFig.
LMNO18P KFlushing
QRSTLUMVRing
LUM
para.
para.
2.3.9.
Also,
W2.6.4.3
NXNYNZ[Process
\]^_SS`Connection.
]UU_^aL]UNbSeeccde
feg2.3.10
hgigjkeand
lmnthe
oc W2.6.6
NXNX Instrument
USa\Rš_Ua`Connection.
]UU_^aL]UNbSeeccde
fegh
gig¡g†r
‚q{‚seecc
the
following:
pfollowing:
qrrqstluv
n
o
cp
q
r
r
q
st
l
u
v
NPT)
NPT female)
w(a)xynthread
ofcemz(e.g.,
cgug{j-“/2htin.lgj14|}~€
w(a)xy‚size
tƒcz(e.g.,
cgug{j7/2htin.lgj14|}~p
c“erc€
direct
remote
fc„nqorff
c“qnc
w(b)ypflange
reluc‚size
tƒjceand
lmfrating
entlueand
lmpface
e„c„configuration
qlptu fentqlz(e.g.,
cgug{ w(b)ymt
ASME
B165,
Class
RF)€
e‚‚j150‹kŽ
†b
‡ˆ‰j
Šg‹{j172htin.lgŒr
2.6.7
NXN¢KFillLQQKFluid.
QRL™NbSeeccdpara.
efeg2.5.
hg‹g
weld
1 in.
w(C)ysc
rm‚size
tƒceand
lm„configuration
qlptu fentqlz(e.g.,
cgug{jt
lg‚socket
q„cnweld)
scrm€ W
W2.6.8
NXNP£a
T_\KFeatures.
_—aR\_SNSee
bccde
feg2.3.
hgigAlso,
†r‚q{‚seeccn
ocp
qr›
Other
para.
the
fol3 in.)
w(d)‘y‚saddle,
emmrc{pipe
dtdc‚size
tƒcz(e.g.,
cgug{it
lg€
lowing:
r
q
st
l
u
v
w(e)’y„clamp,
re“d{‚size
tƒceand
lmntype
”dc
/noncontinuous
w(I1)xy„continuous
qlntl q ‚Ÿl
ql„qlntl q ‚
Materials
W2.6.5
NXN•–—
a_\L—QSbSeeccdpara.
efegh2.4.g|g
/ nonremovable
w(b)yfremovable
c“q¤ežrcŸl
qlfc“q¤ežrc
(C)
para.
ypflushing
r‚otlu„connection
qllc„ntqlz(see
‚ccde
feg2.3.11)
hgigjj€
Thecp
folWith
the
Medium.
W2.6.5.1
NXN•NO[Parts
—\aSLinU`Contact
]Ua—^a˜L
aTa
T_–_
™LRšNo
qr› w
(d)
locking
device
para.
2.3.15).
w
‘
yr
q
„

t
l
umc
¤
t
„
cz
‚
c
cde
f
e
g
h
g
i
g
j
‹
€g
(see
parts
with
medium:
rlowing
qstlude
fn‚earefctinl„contact
qlne„nst
nonthe
oc“c
mt“v
diaphragm
w(cl)xymt
edofeu“
Diaphragm
W2.7N¢VReuse
_RS_]of¥¦L
—§T\—Mš¨Seals
_—QS
w(b)yrlower
qscfohousing
q ‚tlu
not
diaphragm
bec“q
moved
©Itnist‚l
qnfrecommended
c„q““clmcmnthat
oenmt
edofeu“‚seals
cer‚ž
¤cm
mid
w(C)y“t
mohousing
q ‚tlu
from
one
application
toqe
another
for
the
reasons
stated
p
f
q
“
q
l
ce
d
d
r
t
„
e
n
t
q
ln
l
q
n
o
c
fp
q
fn
o
cf
c
e
‚
q
l
‚‚
n
e
ncm
w(d)‘yugaskets
e‚cn‚
in
paras.
2.7.1
through
2.7.4.
t
ld
e
f
e
‚
g
h
g
ª
g
jn
o
f
q
u
oh
g
ª
g
|
g
weld
w(e)’ysc
rm
consequence
ofpreW2.7.1
N¢NO`Chemical
T_šL^—Q`Compatibility.
]š§—aL«LQLa¬NThe
oc„
ql‚c­ cl„cq
fc›
plug
w(f)œypflushing
r‚otlu„connection
qllc„ntqldr
u
use
without
cleaning
can
range
from
contamination
toq
‚
cst
n
o
q
n„
r
c
e
l
t
l
u„
e
lf
e
l
u
cp
f
q
“
„
q
l
n
e
“t
l
e
n
t
q
ln
NotaL
Thecp
folinU`
Contact
With
Medium.
W2.6.5.2
NXN•NW[Parts
—\aS]
]Ua—^a˜L
aT–_
™LRšNo
qr› cexplosive
failure.
For
example,
moving
an
oil
service
®
dr
q
‚
t
¤
cp
e
t
r
f
c
gŽ
q
fc
®
e
“d
r
c
{“q
¤
t
l
ue
lq
t
r‚
c
f
¤
t
„
c
parts
not
with
medium:
rlowing
qstlude
fn‚earefcl
qntinl„contact
qlne„nst
nonthe
oc“c
mt“v
cleaning
for
diaphragm
seal
toqq
oxygen
service
without
mt
e
do
f
e
u
“
‚
c
e
rn
®
”
u
c
l‚
c
f
¤
t
„
cst
n
o
q
n„
r
c
e
l
t
l
up
q
f
housing
w(oz)xyupper
ddcfo
q ‚tlu
in
Comqoxygen
®”ucl‚service
cf¤t„c„can
elfresult
c‚ rnt
lcexplosive
®drq‚t¤cpfailure
etrfcz(see
‚ccŒq
“›
bolts
nuts
w(19)yž
qrn‚eand
lml
n‚
4.1,
dfc‚‚cm¯e
‚q„tentql{Inc.,
©l„g{STD.
b°gCGA
Œ¯†|
gj{±”Cleaning
Œrceltlu
pressed
Gas‚†‚
Association,
w(d)‘yfreinforcing
ctlpqf„tlufrings
tlu‚
Equipment
Oxygen
Service/’)
Diaphragm
ˆ­
td“clnpforqf²®
”uclb
cf¤t„cg³€°t
edofeu“ ‚seals
cer‚
within
w(6)’y‚seal
cerst
notlnthe
ocpfilled
trrcm‚system
”‚nc“
becmt
disassembled
and
cleaned
with
‚should
oq rmž
‚e‚‚c“žrcme
lm„
rcelcmst
noeappropriate
ddfqdftenc
prior
any
reuse
different
‚solvents
qr¤cln‚d
ftqfntoqe
l”f
c ‚cqonlmt
ppcfclneapplications.
ddrt„entql‚g
w(f)œypfill/bleed
trrŸžrccm‚screw
„fcs
Šj
American
Mechanical
Engineers.
Copyright
´µ
¶·¸¹º»¼©½¾2006
¿¿À½Áby·½the
¼»Â½ÃÄÂ
¸¹ÅÆǽÈSociety
µÅ¹Â¼·½µofɽÊÂ
Å»ÆǹÅÆ˽ÌÇ
º¹Ç¸ÍÎ 39¢
No
material
ASME.
ϵ¸reproduction
¶¸µÐÑż¹µÇ½may
ÄÆ·½Ábe½made
ÄÆнµofɽ¼this
»¹Í½ÄÆ
¼Â¸¹Æ˽without
Ò¹¼»µÑ¼½written
Ò¸¹¼¼ÂǽÅconsent
µÇÍÂǼ½µofɽÃÈ
ÊÌÎ 53'
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
Pressure gauge
socket
i
/
Diaphragm
Fill/bleed port
(optional)
Diaphragm retainer
(a)
Instrument
connection
Diaphragm retainer
Adapter fitting
/—
Diaphragm
(b)
GENERAL
NOTE:
to
!These
"#$#%drawing
&'()*+'are&#*not,-)intended
*-#*%#%,$show
",(%design
#$)+*%detail.
#-')./
0Fig.
1234195 67
829:lsolator
;<=7><?
Gauge
@62A
BCDEFGHIJ KLMMNKOEKJIPKQRPFGSTUKVCSGPJEKCWKXPSITUGSTYKZUHGUPPF[\
53'
]CFPDFC^_SJGCUKRTEKOPKRT^PKCWKJIG[KRTJPFGTYK̀GJIC_JK̀FGJJPUKSCU[PUJKCWKQVXZ\ 90¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
2879 ASME B40.100-2005
2.7.2
Partial
Drug
Admin
Fatigue.
!"#$%
&'()&installation
*()+,,+)&-*.+
,$+*$4&in*+accordance
77-'4+*7$?&
)#a8
I8X
--4+
*4b'
25R4.&
*@
The first
may/ 7
cleaned
with
U.S.
Food
and
&involve
*0-,0$1pressure
'$((2'$12
,
(
+
)
&
*
()
#
+
)
#
+
0
$$
3
1$
*
4$
4.(
)
%
&
(
)
'
+
)
&
*
6`
RI
+
*
&
)
+
'
/I
)
+
*4+
'
4(
6')
#$
'+
11,
&
7
+
B
,$
pulsations that have expended most of
istration, 3A Sanitary Standards, or other applicable
diaphragm
)the
#$4&
+1#'+5. %fatigue
+)&52$,life,
&%$6'resulting
$(2,)&*5&in*$early
+',/%fatigue
+)&52$&in* (standards.
)+*4+'4(8
)the
#$(second
$7-*4&installation.
*()+,,+)&-*8
filled
portion
2.8.6
Nc The
"#$$entire
*)&'$%
&,,$41')&-*-of%)the
#$(system
/()$. must
.2()
$+A@)&5#)8GIt)is&(*
-)recommended
'$7-..$*4$4)
#+)the
)#$2(
$'tamper
)+.1$'
leak—tight.
not
that
user
2.7.3
9:Corrosion.
;;<;=>''-(&-*-of%)the
#$4&
+1#'+5.6,
-?$' beB$,
Corrosion
diaphragm,
lower
pressure
instrument
diaphragm
seal
?&)#)the
#$1
'$((2'$&
*()'2.$*)+and
*44&
+1#'+5.(
$+,+assem(($.@
mid-housings,
parts
wetted
by
+and
*4.&
4@#-2(&*5(65gaskets,
+(A$)(6+and
*4-other
)#$'1+
')(?$
))$4B
/ with
fill
fluid
will
in
B,/8Any
R*/,loss
-((-of%%
&,,%
,2&4?&
,,'result
$(2,)&
*(significant
&5*&%&7+*)$errors
''-'(
)the
#$.$
4&2.&in*)the
#$%first
&'()&installation
*()+,,+)&-*.+
/B
2%%&7&$*))to- bly.
medium
may
be$(
sufficient
-or'7complete
-.1,$)$%failure
+&,2'$)to-)
'+*(.&)1
'$((2'$)to-)
#$&instru*()'2@
transmit
pressure
the
7cause
+2($$early
+',/%failure
+&,2'$&in*)the
#$(second
$7-*4&installation.
*()+,,+)&-*8
ment.
of%)
the
fill
the
*)8GIn*+addition,
44&)&-*6)the
#$$exposure
31-(2'$#$%
&,,%fluid
,2&4)to-)
#$
2.7.4
CD
E!:Considerations.
;=<F!;=<GIf%'reusing
$2(&*5+4&
+1#'+5. .$
Other
a diaphragm
medium
.$
4&
2.+
*
4(
2'
'
2
*
4&
*
5+
'
$
+7
2,
47
+
2(
$+#
+
\
+
'
42(
and
surrounding
area
could
cause
a hazardous
(seal
$+,&is('required,
$H2&'$46+all,,5guidelines
2&4$,&*$(7covered
-0$'$4&in*)this
#&(IStandard,
)+*4+'46 7condition.
*
4&
)
&
*
8
'relative
$,+)&0$)to-+applications
11,&7+)&-*(-of%4&
+1#'+5. (seals,
$+,(6(should
#-2,4B
diaphragm
be$
be$)
taken
when
welding
is(2(
used
N Care
>+'$(should
#-2,4B
+A$*?#
$*?$
,4&*5&
$4
manner
when
a new
diaphragm
%followed
-,,-?$4&in*)the
#$(same
+.$.+
**$'+as(?#
$*+*
$?4&
+1#'+5. 2.8.7
)to-7connect
-**$7))the
#$,
-?$'#
-2(&*5)to-)the
#$1'
-7$((,
&*$)to-+
0-&4
lower
housing
process
line
avoid
(seal
$+,&is((selected
$,$7)$4J(see
($$1+
'+8K2.5.2).
8L8KM8
para.
4+
.+5$%from
'-. -overheating.
0$'#$+)&*58>*(2,))
#$(supplier
211,&$'%for-'
damage
Consult
the
2.8NOSafety
P!Q
instructions.
&installation
*()+,,+)&-*&
*()'27)&-*(8
R,
+1#'+5.(seal
$+,7components,
-.1-*$*)(6&including
*7,24&*5%fasteners,
+()$*$'(6 All,4&
diaphragm
Filling
Diaphragm
=e
fEgOSeals
!<
must)B
be$(
selected
process
.2(
$,$7)$47considering
-*(&4$'&*5+all,,1'
-7$((+and
*4+ambient
.B&$*) 2.9d
-operating
1$'+)&*57conditions,
-*4&)&-*(6&including
*7,24&*57corrosion,
-''-(&-*6)temperature,
$.1$'+)2'$6 2.9.1
dUDh
i!jk!;ofPthe
E!Filling
=Df
!;="#
BT$7)&0$
Objective
Operation.
The$objective
+and
*41pressure,
'$((2'$6)to-1'
$0$*).&
(+11,&7+)&-*J(see
($$(section
$7)&-*K2.4).
8SM8 -of%)
prevent
misapplication
the
the
#$%filling
&,,&*5-operation
1$'+)&-*&is()to-%fill&,,)
#$(sealed
$+,$4(system
/()$. con7-*@
possible
GImproper
.1'-1$'(selection
$,$7)&-*7could
-2,4'result
$(2,)&in*%failure
+&,2'$+and
*41
-((&B,$ (sisting
diaphragm
&()&*5-of%)the
#$4&
+1#'+5.(seal
$+,)top
-1+assembly,
(($.B,/67connections,
-**$7)&-*(6
property
damage.
&injury
*T2'/-or'1'
-1$')/4+
.+5$8
with
+and
*4)the
#$&instrument
*()'2.$*)?&
)#)the
#$%fill&,,%fluid.
,2&48Air
R&'B
2BB,$(7
+2($
bubbles
cause
(
.$,
(
(7
7
2
'
+
7
/
6
B
2)+
'
$1+
'
)
&
7
2,
+
'
,
/)
'
2
B
,
$
(
-.$
some
loss
of%+
accuracy,
but
are
particularly
troublesome
Because
2.8.1
NU V$
7+2($-of%&its)()thin
#&*7cross
'-(((section,
$7)&-*6(special
1$7&+,+atten))$*@ when
operating
either
at)#
high
temperature
or'0
vacuum.
?#
$
*1$
'
+
)
&
*
5$
&
)
#
$
'+
&
5
#)
$
.1
$
'
+
)
2'
$+
7
22.8
must)B
be$5
given
diaphragm
material
)tion
&-*.2(
&0$*)to-4&
+1#'+5. .+
)$'&+,(selection.
$,$7)&-*8 Under
the
4$')these
#$($7
-*4&)&-*()the
#$+air&'$expands,
31+*4(6-over—filling
0$'@%&,,&*5)
#$
conditions
ISometimes
-.$)&.$(+.+
)$'&+,.'$7corrosion
-''-(&-*'resistant
$(&()+*))than
#+*)that
#+) a*
a material
more
limited
volume
,
&
.&
)
$
40
,
2
.$?&
)
#
&
*)
#
$(
$
+
,
$
4(
/
(
)
$
.6
7
+
2(
&
*
5&
*
+
7@
within
the
sealed
system,
causing
inac-of%)the
#$#$
+0&$'B
-))-. #2(&*5-or'+associated
((-7&+)$41&
1&*5 7curate
heavier
bottom
housing
piping
pressure
measurements
and
frequently
distorting
2'
+
)
$1'
$
(
(
2'
$.$
+
(
2'
$
.$
*
)
(+
*
4%
'
$
H
2$
*
)
,
/4&
(
)
'
)
&
*
5
be$7
considered.
Operating
must)not
(should
#-2,4B
-*(&4$'$48W1
$'+)&*5)temperatures
$.1$'+)2'$(.2(
*-) .$
metal
diaphragms.
)
+
,4&
+
1#
'
+
5
.(
8
materials
$exceed
37$$4)the
#$,limit
&.&)%for-')the
#$.+
)$'&+,((selected,
$,$7)$46&including
*7,24&*5)that
#+)
-of%)the
#$%fill&,,%fluids.
,2&4(8
2.9.2
dFilling
=OStations
;=<
((1)
The$%
fill
station
l
m
n"#
&
,
,(
)
+
)&-*(shown
#-?*-on*XFig.
&58K20o7consists
-*(&()(-of%+a
The$.+
maximum
pressure
must)*
not
2.8.2
N "#
3&.2. +allowable
,,-?+B,$1'
$((2'$.2(
-) vacuum
0
+
7
22.
12.1
6
+(
&
5
#
)5
,
+
(
(
6
+,
&
H
2&
4)
'
+
16
+and
*4+'
$52@
pump,
a sight
glass,
a liquid
trap,
a reguB$$exceeded.
37$$4$48XFlanged
,+*5$4(seals
$+,(+are'$5generally
$*$'+,,/,
&.&)$4)to-)the
#$ ,lated
be
limited
source
of%1'
pressure.
In
operation,
the
system
to
be$
+
)
$
4(
2'
7
$$
(
(
2'
$
8
G
*1
$
'
+
)
&
*
6
)
#
$(
/
(
)
$
.
)
-B
maximum
Plastic
hous.+
3&.2.'rating
+)&*5-of%)the
#$%flange
,+*5$&itself.
)($,%8Y,
+()&7,lower
-?$'#
-2(@ %filled
is(+
attached
to-)
the
fill
station.
When
the
vacuum
&
,
,
$
4&
)
)
+
7
#
$
4)
#
$%
&
,
,(
)
+
)
&
*
8p#
$
*)
#
$0
+
7
22.
will
not)?&
withstand
pressures
metal
&ing
*5?&
,,*)#()+*4)the
#$(same
+.$1'
$((2'$(+as(.$
)+, is(+applied,
drawn
from
the
11,&$46)the
#$+air&'&is(4'
+?*%
'-.)
#$(sealed
$+,$4(system
/()$.+and
*4
pressures
$equivalents.
H2&0+,$*)(8Maximum
Z+3&.2.+allowable
,,-?+B,$1'
$((2'$(%for-'+all,,mate.+)$@ &
is(0
Visible
as(B
bubbles
in
the
sight
glass.
When
the
vacuum
&
&
(
&
B
,
$+
2B
B
,
$
(&
*)
#
$(
&
5
#
)
5
,
+
(
(
8
p#
$
*)
#
$0
+
7
22
.
decrease
'rials
&+,(4$
7'$+($+as()temperatures
$.1$'+)2'$(&increase.
*7'$+($8
withdrawn,
fill
&is(?&
)#4'+?*6the
)#$%fill&,,fluid
%,2&4%fills
&,,()the
#$(sealed
$+,$4(system.
/()$.8The
"#$%
&,,
used
2.8.3
N9 XFasteners
+()$*$'(2(
$4)to-(secure
$72'$)the
#$(structural
)'27)2'+,7compo-.1-@ %fluid
is(+
automatically
degassed
fill
,2&4&
2)-.+)&7+,,/4$
5+(($44during
2'&*5)the
#$%
&,,-operation.
1$'+)&-*8
*
$*)(-of%)the
#$4&
+1#'+5.(seal
$+,(shall
#+,,-only
*,/B
$1,+7$4?&
)# l(1))qn"#
nents
diaphragm
be$'
replaced
with
fill
The$%
&,,(station
)+)&-*(shown
#-?*-on*XFig.
&58K21r7consists
-*(&()(-of%+a
by
%fasteners
+()$*$'((specified
1$7&%&$4B
/)the
#$(supplier.
211,&$'8
vacuum
pump,6+%
a fill
valves.
0+722.12.1
&,,reservoir,
'$($'0-&'6+and
*4)two
?-0
+,0$(8Fill
X&,,%fluid
,2&4
is(1
placed
in
the
reservoir.
When
the
valves
are
positioned
&
,
+
7
$
4&
*)
#
$'
$
(
$
'
0
&
'
8
p#
$
*)
#
$0
+
,
0
$
(+
'
$1(
&
)
&
*$4
The$%
fill
must)B
be$7
capable
withstanding
2.8.4
NC "#
&,,%fluid
,2&4.2(
+1+B,$-of%?&
)#()+*4&*5 +as((shown
in
Fig.
21,
illustration
(a),
the
vacuum
is
#?*&
*X&
58K
r
6&
,
,
2(
)
'
+
)
&
*J
+
M
6)
#$0
+
7
22.
&(
Glycerin
)the
#$-operating
1$'+)&*5)temperature.
$.1$'+)2'$8[,
/7$'&*-or'(silicone
&,&7-*$%fill&,,%fluids
,2&4( +applied
to-)
the
sealed
system
and
the
fluid
is(4$
degassed.
1
1
,
&
$
4)
#
$(
$
+
,
$
4(
/
(
)
$
.
+
*
4)
#
$%
,
2&
4&
5
+
(
(
$
48
These
must
+are'$*not-)(suitable
2&)+B,$%for-'+all,,+applications.
11,&7+)&-*(8"#
$($%fluids
,2&4(.2
() p#$*0
valves
positioned
in
Fig.
+,0$(+are'$1(&)&-*$4+as((shown
#-?*&
*X
&5821,
Kr6illustra&,,2()'+@
be
where
B$+avoided
0-&4$4?#
$'$(strong
)'-*5-oxidizing
3&4&\&*5+agents
5$*)(+are'$&involved
*0-,0$4 When
tion
(b),
the
fill
)
&
*J
B
M
6
)
#
$%
&
,
,%
,
2&
4$
*
)
$
'
()
#
$(
$
+
,
$
4(
/
(
)
$
.8
fluid
enters
the
sealed
system.
nitric
but
&including,
*7,24&*56B
2)*not-),limited
&.&)$4)to,-6-oxygen,
3/5$*67chlorine,
#,-'&*$6*
&)'&7
presence
+acid,
7&46+and
*4#hydrogen
/4'-5$*1peroxide.
$'-3&4$8GIn*)the
#$1
'$($*7$-of%-oxidiz3&4&\@ 2.9.3
The$1'
procedures
described
d9Filling
=Procedures.
;j!F !<"#
-7$42'$(4$
(7'&B$4
potential
will
&ing
*5+agents,
5$*)(61)$*)&+,#hazard
+\+'4?&
,,'result
$(2,)%from
'-. 7chemical
#$.&7+, within
for
use$+
as(5
guidelines.
?&)#&*)this
#&((section
$7)&-*+are'$5generalized
$*$'+,&\$4%
-'2(
2&4$,&*$(8
Completely
'reaction,
$+7)&-*6&ignition,
5*&)&-*6-or'$explosion.
31,-(&-*8>.1,$)$,/%fluorinated
,2-'&*+)$4 "#
The$4&
diaphragm
be$7
consulted
for
+1#'+5. (seal
$+,(supplier
211,&$'(should
#-2,4B
-*(2,)$4%
-'
both,
may
be
more
-or'7chlorinated
#,-'&*+)$4%fluids,
,2&4(6-or'B
-)#6.+
/B
$.'$(suitable
2&)+B,$%for-' +assistance
with
procedures.
Applying
vacuum
to((&()+*7$?&
)#(specific
1$7&%&71'
-7$42'$(8R1
1,/&*50
+722.)
(such
27#+applications.
11,&7+)&-*(8
pressure
may
damage
the
,low
-?1'
$((2'$&instruments
*()'2.$*)(.+
/4+
.+5$)
#$&instrument.
*()'2.$*)8
Consult
instrument
for
procedures.
*(2,))the
#$&
*()'2.$*)(supplier
211,&$'%
-'(specific
1$7&%&71'
-7$42'$(8
diaphragm
may
2.8.5
N] ISpecific
1$7&%&7+applications
11,&7+)&-*(-of%4&
+1#'+5. (seals
$+,(.+
/ >Diaphragm
parts
2.9.3.1
d9UFilling
=e
fEgOSeal
!and
=FsInstrument
=<g!=After
tP!
'require
$H2&'$(specific
1$7&%&7)types
/1$(-of%#handling
+*4,&*5+and
*47cleaning
,$+*&*5-of%1+
')(
during
manufacture.
Oil,+
and/or
hydrocarbon
The$(
seal
be$+
attached
instrument
$+,(should
#-2,4B
))+7#$4)to-)the
#$&
*()'2.$*)
t<<!ghQ"#
42'
&*5.+
*2%+7)2'$8W&
*4^-'#/
4'-7+'B-*7com-.@ Assembly.
pounds
not
be$2(
used
parts
will
joints
The$%
fill/bleed
port
should
be$
*4+all,,T
-&*)(,leak
$+A)tested.
$()$48"#
&,,^B,$$41')(
#-2,4B
12*4((should
#-2,4*
-)B
$4-on*1
+')()that
#+)?&
,,7contact
-*)+7) +and
manifold
in
be$2(
used
food
to-)
the
-**$7)$4)
#$.+
*&%-,4&
*)the
#$%filling
&,,&*5(system.
/()$.8Vacuum
u+722.
-oxygen.
3/5$*8ISeals
$+,()to-B
$4-on*1pharmaceutical
#+'.+7$2)&7+,-or'%
--4 7connected
processing
be$.+
manufactured
/ or' &
is()
then
until
is('
removed.
#$*+applied
11,&$4)to-)the
#$+assembly
(($.B,/2*
)&,+all,,+air&'&
$.-0$48
1'
-7$((&*5+application
11,&7+)&-*(should
#-2,4B
*2%+7)2'$4+and
*4^-
I
_63`
vwxyz{|}~ €‚ƒy~}„†„z{‡ˆ‰Šw‡{„~yw‹Œ„‡}ˆ‰{‡ˆŽ‰|{‰„„z
‘wz„xzw’“‡~{w‰†ˆyƒ„†ˆ’„w‹~}{†ˆ~„z{ˆ”{~}w“~”z{~~„‰‡w‰„‰~w‹ŠŒŽ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
Valve
A
(three
way,
!"
two
#$#%
&&#'(
position)
Vacuum
KN
KJ
Pump
Pressure
source
Liquid
trap
Sight
glass
(
Sealed system
)Fig.
*+,-20. /Sealed
01203/Setting
044*5+
6647
89:;<=>?@ ABCCDAE;A@?FAGHF<=IJKAL9I=F@;A9MANFI?JK=IJOAPK>=KFF<QR
S9<F:<9TUI@=9KAHJ;AEFAHJTFA9MA@?=QAHJ@F<=JOAV=@?9U@AV<=@@FKAI9KQFK@A9MAGLNPR [
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
I
I
I
2879 ASME B40.100-2005
Four-way
vent
!valve
"
Fill Station
I
I
I
H
I
\J
I
I
I
I
I
I
I
I
Vacuum
Fm
reservoir
I
I
pump
I
I
|
I
I
I
#$"
:
Th ree—way valve
:
I
KN
I
I
I
I_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ J
Device
being filled
%(a)&'
Four—way
vent
!valve
"
|=i|| station
I
I
W\
:
I_I
I
Ly
I
I
I
I
I
I
I
I
I
I
Vacuum
Fm
reservoir
Wm”
I
I
|
I
I
I
#$"
:
Th ree—way valve
I
/\
I
I
I
I
I
I_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ J
Device
being filled
%(b)('
)Fig.
*+,-21. )Fill*//0Setting
122*3+
4655
6789:;<=> ?@AAB?C9?>=D?EFD:;GHI?J7G;D>9?7K?LDG=HI;GHM?NI<;IDD:OP
5:’
Q7:D8:7RSG>;7I?FH9?CD?FHRD?7K?>=;O?FH>D:;HM?T;>=7S>?T:;>>DI?G7IODI>?7K?EJLNP 90¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
00213014567
DIAPHRAGM SEALS (B40.2)
ASME B40.100-2005
into
!""#!!#!"$"% #fill!!#fluid
!"
%%one
end
"and
"allowing
!!%-*#flow
!%-
!no
%&
&&!
until
bubbles
% %#&!'()# #!!*+&#% appear
$$ atthe
%other
end,
"+%or by
&'applying
$$!'*6
%%one
vacuum to
immersing
into
**#!!,&!"-+#!%#". end
"%of#the
capillary
$!!'and
"
*the
%other
end
"
%
process
$* %!"&/"#%!!%-0
% %of##fill!!#fluid,
!"+continuing
%*the
$
%
!
!!
a container
until
all
%
6
"(
1234#"$*%#!+56%!' air is removed.
=
!!"capillary
$!!'isthen
assembled
&!"
The#
filled
to%
the
instrument
",% $ % ' !(
"seal
!inthe
same
asthe
seal
!and
"
manner
instrument
1734#"$* %65%-"$% and
para.
&!'"
&"
$
(?2.9.3.2(c).
(@(A(?89(
described
in
"8%6.#!!"9+*!'$"$* $-" assembly
until
!itis#flat
!and
"then
tighten
*the
#fill/bleed
!!,&!"screw.
-( B
C|}~
RUVGIJ
Testing
diaphragm
1(C):34If#the
"
$* isconcave,
%6+additional
""%!#
!!#fluid
!" 2.10
fill
should
%!"&
"""(
be
added.
B2.10.1
C|}C|QScope.
ZMRCThis
=section
%
""
%6"
is
intended
to%$
provide
an
may
berequired
diaphragm
;Special
$!$
%"
'&
<"to%#fill!!"
$* %outline
procedures
!
%
$
"-
6
!
*
$
.
of#
the
parameters
used
when
evaluating
the
perseals
!-
elastomeric
!%%or =Tefl
#!%on®
>"
$*&
#formance
with
diaphragms
because
of#"
diaphragm
seal
/instrument
assemblies
and
%
%
$
*
!
,
&
!
"
the
"
$ * '&
56!'"
%"&
'
to%suggest
diaphragm
may
be
excessively
distorted
by
the
**evaluation
6!%%outlines.
!(=
test
%"
'
These
methods
may
The
seal
may
application
$$!%%of#6vacuum.
(=
!and
"instrument
' %or '
%
#
'
<
%
"
"
may
not
satisfy
the
requirements
of#
the
intended
2.9.3.3.
also
!%&
!!"$
$(2.9.3.2
?(@(A(?and
"?
(@(A(A(
be#
filled
per paras.
When
known
the
diaphragm
application.
$$!%(€
itis/
%-that
"
$*seal
!,/
instrument
assembly
will
encounter
conditions
more
or
&
!
'-
!
!
%
%
"
%
%
%
Diaphragm
Seal
B2.9.3.2
CDCECBFFilling
GHHGIJKG
LMNOLJPQR
LHLand
ISTInstrument
IUVOWPRIV !less
6
%
$
#
"+
'&
%
"
#
"
severe
than
those
specified,
the
test
may
be
modified
XBefore
RYZOR[
UURP\H]
Assembly
to
more
closely
match
the
application.
A
functional
test
%%
!
%
!
'
$$
!
%
(
)#
%
!
a Diaphragm
diaphragm
1(a)23^Filling
_``_ab2c_
2def2bghSeal.
i2j̀)A "
$*seal
!without
-% inthe
intended
application
is*
generally
the
best
evalua
"
"
$$
!
%
!
!
'
&
6
!
.
a fill/bleed
be
using
The
#
!!,&!"screw
- can
&
#filled
!!"
*an%oil!can.
(=
%
%"(
method.
diaphragm
a finger
"
$* should
%!"&
!5"*gently
!'
*#
* %or tion
be#
flexed
using
$!eraser
%onthe
$
%side
"to%remove
%6the
airbub&&. B2.10.2
pencil
process
General.
described
within
this
C|}CBR
IROLHCAll
)!!tests
"
&"-
section
%
bles.
Diaphragm
with
dia&!(k
$* seals
!-
=Teflon®
#!%>%or elastomeric
!%"
. shall
!!&
%
"
"-
"
$
*
!
be conducted with a diaphragm seal instrument
phragms
$
*
'also
!%&
!!"&
'$%
*the
#fill!!#fluid
!"into
% that
may
be#
filled
by
pouring
is#filled
!!"
%
"
-
$
%
"
"
&"
in accordance with the procedures described
These
diaphragms
may
when
the
seal.
!(=
"
$*aresoft
%#and
"
'sag
*-
in$
para.
After
instrument
(?2.9.(@()#
assembly
&!'and
"#filling,
!!*+the
poured.
This
may
be$
prevented
by
the
!liquid
<"is$%
"(=
sag
*
'&
6"&
' shall
berecalibrated
prior
!!&
!&"to%itsspecified
$#"accuracy
'$
% to%
attaching
*!
%- pressure
$source
%to%the
$
%side
"%of# conducting
a low
process
%"*any
'accuracy
'
*%
#
"
$
*
!,/
testing of the diaphragm seal
diaphragm.
The
supplier
the
seal
!to%support
$$%the
"
$*(=
$$! should
%!" instrument
The accuracy
other
assembly.
&!'(=
'and
"%
test
be
pressure
for
&consulted
%!"#for% advice
"6%onthe
$
required
<"#
% $
parameters
diaphragm
/ instrument
%of#the
"
$*seal
!,
assembly
&!'
diaphragm
"
$* support.
$$%(
'exceed
5"the
specified
$#"$
%of#the
may
parameters
instrument
used
within
performance
"-
the
assembly.
&!'(Acceptable
)$&!$
#%spec$.
anal
Instrument.
An instrument
may
be#
filled
1(b)73^Filling
_``_ab2
amnfogianj)
'&
!!" be
agreed
by
the
user.
#%shall
!!&
*"to%&
'
supplier
$$! and
"
(
by
a manifold
&'attaching
*itto%
#%!"and
"applying
$$!'*6vacuum
to% ifications
The6
the
connection
%%until
!all!!airisremoved.
%6"(=
is B2.10.3
vacuum
C|}CEwCalibration
LHG\OLVGZIQStandards
VLISLOSU
permitted
then
released
!"and
"the
#fill!!#fluid
!"$
"to%enter
the
interior
% %of#the
instrument.
(
Discussion
B2.10.3.1
C|}CEC|R
IROLHKG
UWUUGZI
General
After
1(c):3pm
mig7`_ab2^
_`ìqhSeal
i2`ntor2^
_`ìqlInstrument.
amnfogianj)#
1(a)234
Assembling
a Filled
a Filled
Information
manometers
piston
#%%regarding
*"*
%and
"$
%
both
#filling
!!*&
%the
seal
!s[para.
$(?2.9.3.2(a)]
(@(A(?89tand
"the
instrument
*gages
contained
ASME
computing
*is
%"in);
‚ƒ„PTC
= u19.2.
@(?(4In
%$*
s[para.
$(?2.9.3.2(b)],
(@(A(?8&9t+the
connection
%%%of#the
instrument
the
these
instruments,
accuracy
'%of#
+their
*geographical
%*$!
be<
quickly
should
%!"&
/!'inserted
"into
%the
instrument
connec%. !location
mustbe
%%
&accurately
!'ascertained
"and
"corrections
% %
The#
fill/bleed
tion
%%onthe
seal,
!+and
"tightened.
*"(=
!!,&!"screw
-8(if# applied
in
National
Institute
Standards
$$!"as%outlined
!"
†
%!4
%of#;
""
be!
left
supplied)
$$!"9should
%!"&
#%open
$so%that
excess
5#fluid
!"can
and
Technology,
NIST,
National
Bureau
"=
%!%*'+†4
;=+8(formerly
#%!'†
%!‡
%of#
&allowed
!!%-"to%escape.
$(=
$*#flatness
!should
%!"&
be
The"
diaphragm
be ;
Standards)
Manometry
Manual,
NIST
Piston
Gage
""9‚
%'‚
!+and
"†4
;=„
%ˆ
*
manner
described
Manual.
checked
/"inthe
same
as"
&"in$para.
(?2.9.3.1.
(@(A(u( ‚
!(
does
a fill/bleed
4If#the
seal
!"%
not%contain
%#
!!,&!"screw,
-+the
1(b)73€%
Working
before
after
/*standards
""shall
!!be
&tested
"&
#%and
"
#
between
must&
be $
connection
%%&
-the
instrument
and
"seal
!
will
a period
use.
The frequency
of recalibration
%"%of#
(=#
<'%#
!&%-
!!
until
diaphragm
has
!left
#slightly
!*!'!loosened
%%"
!the
"
$* #flatness
!
"
depend
their
ability
to%retain
during
$"%on
&!'
their
accuracy
'"
*
been
may
be
carefully
&achieved,
6"+and
"then
the
connection
%%
'&
#!!' use.
(
tightened.
*"(
For
indicating
dial
1(C):3‰
% information
#%%regarding
*"*
"*"
!*gauges
*
used
as-%
working
standards,
see
ASME
B40.1.
"
/
*
"
"
+
);
‚ƒ‡Š
‹
(
u
(
a Seal
With
B2.9.3.3
CDCECEFFilling
GHHGIJLQ
RLHvG
VNwCapillary
LMGHHLO]XBetween
RVxRRIVthe
NR
These
QSeal
RLHLand
ISVthe
NRyPressure
ORUUWORTInstrument.
IUVOWPRIVC=
assemblies
&!can
B2.10.3.2
C|}CECBŒRecommended
RZPPRISRSQStandards.
VLISLOSUCStandards
;""shall
!!
be
a unit
using
described
&#filled
!!"as
*the
$procedures
%""
&"in have
nominal
no%*
greater
permitted
6
%!errors
%
than
of%#those
%$
"
para.
$(?2.9.3.1.
(@(A(u(
/instrument
being
tested.
a liquid
#for% the
seal
!,
assembly
&!'&
*
"(4If#!
<"
before
medium
is
used,
for
difference
in
4If##filled
!!"&
#%assembly,
&!'+#first
the
seal
!and
"instrument
" "+correction
% %#
% the
"
##
!liquid
<"
being
be#
filled
per paras.
between
instrument
should
%!"&
!!"as$
$(?2.9.3.2(a)
(@(A(?89and
"?2.9.3.2(b)
(@(A(?8&9 head
"&
-the
standard
""and
"the
&
*
may
be
necessary.
and
"then
the
capillary
$!!'#filled
!!"either
by
&'$pressurizing
z*the
tested
"
'&
'(
Vacuum is then released and the fill fluid permitted to
enter the interior of the assembly. After filling, before
tightening the fill/bleed screw, the flatness of the diaphragm should be checked as follows:
(a) If the diaphragm is not flat, excessive nonlinearity
and / or temperature error may result.
(b) If the diaphragm is convex toward the process
side (over—filled), gently press the diaphragm upward
f
{66{
Ž‘’“”• –—˜˜™–š–•”›–œ›‘’žŸ–¡Žž’›•–Ž¢–£›ž”Ÿ’žŸ¤–¥ “’››‘¦§
¨Ž‘›‘Ž©ªž•’Ž–Ÿ–š›–Ÿ©›–Ž¢–•”’¦–Ÿ•›‘’Ÿ¤–«’•”Žª•–«‘’••›–žŽ¦›•–Ž¢–œ¡£¥§
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
2345RAGM
2678SEALS
92 8(B40.2)
DIAPH
2879 ASME B40.100-2005
CAUTION:
!"#gages,
$#%&!or'!other
(%'standards
$")$')that
($ *contain
!"$"!oil+!or' x
Piston
2.10.4.2(a).
TheKY
assembly
_Œ_t_xwYz_IJ
XXK[]N^Xshall
JYNN]
YUKVPinQYZ
K[SKTY{
beKSN
placed
a tempera!other
(%'(,
)'!*$'-!".fluids,
+/)&shall
($++"!
%)to!test
% )
$0('$#1 Z
hydrocarbon
not -%/
be used
diaphragm
WT
KZ
K
X
ZU
J
Y
[]
K
TY
ZYZ
K
[S
K
T
Y
Z
WT
KQ
MN
M
OK
TZ
JYQZ
JK
ture test chamber at a temperature no lower than
the
seal/instrument
%$+2"'/1%" $assemblies
%1-+%*cleaned
+%$"%).for!'!oxygen
3,#%"service.
%'4*%5
allowed
for
a period
Xsupplier
WSSNPKT•’sXNlow
MONlimit
P[PZYand
QVY
NNMOKVZtoMXstabilize
ZY]PNP–KL
MTYSK
TPMV
4 hr.T
TheKY
assembly
MofLnot
QMZless
NKXXZthan
JYQtJ
_IJ
XXK[]N^Xshall
JYNNZthen
JKQ]
JKU—KV
beKU
checked
62.10.4
7897:;Test
<=>?Procedures
@AB<CD@<=
LforMTYaccuracy
UUWTYU^YatZZthis
JPXZtemperature,
K[SKTYZWTKaP
QYaccordance
UUMTVYQUKOP
ZJ
in
with
MNNMOPQRST
MUKVWTKXYareTK para.
62.10.4.1
7897:78E<
F<@GH7IJKL
General.
The following
procedures
TheKVP
difference
in
readings
SYTY_x2.10.4.2(a).
_Œ_t_xwYz_IJ
LLKTKQUKP
QZtest
KXZT
KYVPQRXYatZKeach
YUJ
Xsuggested
WRRKXZKVOJ
KQZtesting
KXZPQRYVP
YSJTYR[ Xseal/
KYN\Pinstrument
QXZTW[KQZ Ztest
when
a diaphragm
minimum
KXZpoint
SMPQZbetween
]KZOKKQT
MM[Ztemperature
K[SKTYZWTKYand
QVZthe
JK[P
QP[W[
room
Yassembly.
XXK[]N^_`Statistical
ZYZPXZPUYN[K
ZJMVXaYalternate
NZKTQYZKS
TMUKVWTKXaMorT Moperating
methods,
procedures,
SKTYZPQRZtemperature
K[SKTYZWTKP
JKNlow
MOZtemperature
K[SKTYZWTKKerror.
TTMT_
isXZ
the
]MZJa[Y
^]KWX
KVOJK
QYagreed
RTKKVZtoM]
^Zthe
JKXsupplier
WSSNPKT b(f)gdšStorage
both,
may
be used
when
by
TheKVP
diaphragm
/ instrun“hcfkTemperature.
flmfhcnohfpIJ
YSJTYR[ seal
XKYN\P
QXZTW{
user.
Yand
QVWX
KT_
[K
QZYassembly
XXK[]N^Xshall
JYNNbe]KZ
KXZKVLforMTYaccuracy
UUWTYU^P
QY
UUMTVYQUK
ment
tested
in
accordance
b(a)cdef
gfhfijfkTemperature.
flmfhcnohfpqZ
K[SKTYZWTKMofLr73.4°F
s_tuv with
Reference
A temperature
OPZJSY
TY_2.10.4.2(a).
x_Œ_t_xwYz_IJ
XXK[]N^Xshall
JYNNthen
ZJKQ]
NYUKV
para.
TheKY
assembly
beKS
placed
beKZ
the
w(23°C)
xsuyzXshall
JYNN]
JKTreference
KLKTKQUKXstandard
ZYQVYTVLforMTZtesting
KXZPQRYallNN PinQYZ
a temperature
a temperature
noMJ
higher
K[SKTYZWTKZtest
KXZUchamber
JY[]KTYatZYZ
K[SKTYZWTKQ
PRJKT
VP
YSJTYR[ Xseal/
KYN\Pinstrument
QXZTW[KQZYassemblies.
XXK[]NPKX_ITemperatureK[SKTYZWTK{ Zthan
diaphragm
high
JYQZ
JKXsupplier's
WSSNPKT•XJ
PRJNlimit
P[PZMofLXstorage
ZMTYRKZtemperature
K[SKTYZWTKL
MT
the
for
Ucompensated
M[SKQXYZKVST
KXXWTKPinstruments
QXZTW[KQZXXshall
JYNNbe]KZtested
KXZKVYatZXsevK|{ YSK
pressure
TPMVMofLx
T_IJ
XXK[]N^Xshall
JYNNthen
ZJKQ]
YUKVP
Q
a period
24tJ
hr.
TheKY
assembly
beKSN
placed
in
within
by
Keral
TYNYambient
[]PKQZZtemperatures
K[SKTYZWTKXOP
ZJPQZthe
JKTrange
YQRKXspecified
SKUPLPKV]
^ YZ
a temperature
a temperature
noMN
lower
K[SKTYZWTKZtest
KXZUchamber
JY[]KTYatZYZ
K[SKTYZWTKQ
MOKT
Zthe
JKXsupplier.
WSSNPKT_
Zthan
JYQZthe
JKXsupplier
WSSNPKT•’sXNlow
MONlimit
P[PZMofLXstorage
ZMTYRKZtemperature
K[SKTYZWTKL
MT
for
TPMVMofLx
_IJ
PXt
^UNKXshall
JYNN]
KSKYZKVL
MT
a period
24tJ
hr.T
This
48›J
hrTU
cycle
beKT
repeated
for
Liquid
Head.
When
using
a liquid-filled
dead
b(b)}d~
€o‚f
cpƒJK
QWX
PQRYN
P„WPV{LPNNKVVK
YV YSK
a total
two
complete
then
MZYNMofLZ
OMU
M[SNKZKUcycles.
^UNKX_The
IJKYassembly
XXK[]N^Xshall
JYNNZ
JKQ
weight
piston
beK YZ
OK
PRJZSP
XZMQRgage,
YRKaYappropriate
SSTMSTPYZKUcompensation
M[SKQXYZPMQXshall
JYNN]
]KYallowed
NNMOKVZtoMXstabilize
ZY]PNP–KY
MM[ Z
K[SKTYZWTKYand
QVZthen
JKQ
be
atZT
room
temperature
[Y
VKLforMTNliquid
P„WPVJhead
KYVKeffects.
LLKUZX_
made
U
JK
U
—K
VL
MTY
U
U
WT
Y
U
^P
QY
U
U
U
MT
VY
QU
KOP
Z
JSY
TY_
checked
for
accuracy
in
acccordance
with
para.
62.10.4.2
7897:76?Procedures.
@AB<CD@<=7ItZPisXXsuggested
WRRKXZKVZthat
JYZYallNNZtesting
KXZPQR x2.10.4.2(a).
The
difference
between
the
two
accuracy
_

Œ
_
t
_
x
w
Y
z
_
IJ
KVP
L
L
K
T
K
Q
U
K]
K
Z
OK
K
QZ
J
KZ
OMY
U
U
WT
Y
U
^Z
K
XZX
tests
]KUconducted
MQVWUZKVMonQZthe
JKYassembly
XXK[]N^MofLYVP
YSJTYR[Xseal
KYNYand
QV PisXZthe
be
a diaphragm
J
KK
L
L
K
U
Z
M
X
Z
M
T
Y
R
KZ
K
[SK
T
Y
Z
WT
KK
”
ST
K
X
X
K
VY
K
T
U
K
QZ
effect
ofL
storage
temperature
expressed
asXaYS
percent
pressure
Statistical
Zthe
JKYattached
ZZYUJKVST
KXXWTKPinstrument.
QXZTW[KQZ_`
ZYZPXZPUYNmethods
[KZJMVXMorT MofLXspan.
S
Y
Q
_
YNZKTQYZKZKXZSTMUKVWTKXaMT]MZJa[Y^]KWXKVOJKQ b(g)dœh
Pressure
Cycling.
TheKST
pressure
test
shall
fohf‡
jŽipIJ
KXXWTKUcycling
^UNPQRZ
KXZX
JYNNbe]K
Yagreed
RTKKVZtoM]
^Zthe
JKXsupplier
WSSNPKTYand
QVZthe
JKWX
KT_
by
user.
U
M
Q
V
W
U
Z
K
VOP
Z
JYVP
Y
S
J
T
Y
R
[X
K
Y
N
\P
Q
X
Z
T
W[K
Q
Z
Y
X
X
K[]N^
conducted
with
a diaphragm
seal
/ instrument
assembly
Accuracy.
TheKY
accuracy
diaphragm
b(a)cd†j
johcj‡pIJ
UUWTYU^MofLZthe
JKVP
YSJTYR[ Xseal/
KYN\ YasXYagreed
toM]
by
the
supplier
and
user.
ItZis
recommended
R
T
K
K
VZ
^Z
J
KX
WS
SN
P
K
TY
Q
VW
X
K
T
_
P
XT
K
U
M
[[K
QVKV
Pinstrument
QXZTW[KQZYassembly
XXK[]N^Xshall
JYNN]
KXZKVW
XPQRZthe
JKST
MUK{ Zthat
beKZ
tested
using
procethis
test
beKSK
performed
utilizing
the
instrument
that
J
Y
ZZ
J
P
XZ
K
X
Z]
T
L
M
T
[K
VWZ
P
N
P
–
P
Q
RZ
J
KP
Q
X
Z
T
W
[K
Q
ZZ
JYZ
Procedures
Vdures
WTKXLforMTZthe
JKPinstrument
QXZTW[KQZYalone.
NMQK_ˆT
MUKVWTKXLforMTYaccuracy
UUWTYU^ has
lowJ
Y
XZ
J
KN
Y
T
R
K
X
Z
Y
U
Z
WY
Z
P
Q
RVP
X
SN
Y
U
K
[K
Q
Z
w
WX
WY
N
N
^Z
J
KN
M
O{
the
largest
actuating
displacement
(usually
the
described
in
Ztesting
KXZPQRKelastic
NYXZPUKelement
NK[KQZST
KXXWTKRgauges
YWRKXYareTKVK
XUTP]KVP
Q KestXZST
pressure
pressure)
for
the
application
which
the
test
isX]
being
K
X
X
WT
K
zL
M
TZ
J
KY
SSN
P
U
Y
Z
P
M
QOJ
P
U
JZ
J
KZ
K
X
ZP
K
P
QR
ASME
B40.1.
Appropriate
q`
‰Š‹t
Œ__qS
STMSTPYZKST
MUKVWTKXXshould
JMWNV]
SSNPKV performed.
procedures
beKY
applied
SK
T
L
M
T
[K
V_
ZtoMMother
ZJKTZtypes
^SKXMofLSpressure
TKXXWTKPinstruments.
QXZTW[KQZX_
b(1ž)d`Since
PQUKZthe
JKVP
YSJTYR[P
YXPUYNN^Y
QP
XMNYZMTwith
OPZJ
diaphragm
isX]
basically
an
isolator
Repeatability.
TheKT
repeatability
b(b)}def
mfcnc}Žn‡pIJ
KSKYZY]PNPZ^MofLZthe
JKVP
YSJTYR[ nearly
diaphragm
equal
pressure
on
both
sides,
pressure
stresses
Q
K
Y
T
N
^K
„
WY
NST
K
X
X
W
T
KM
Q]
M
Z
JX
P
VK
X
aST
K
X
X
WT
KX
Z
T
K
XXKX
/ instrument
proXseal
KYN\P
QXZTW[KQZYassembly
XXK[]N^Xshall
JYNNbe]KZtested
KXZKVWusing
XPQRZthe
JKS
TM{ YareTK|
Very
low.
Working
stresses,
therefore,
are
mostly
K
T
^N
M
O_ƒM
T
—
P
Q
RX
Z
T
K
X
X
K
X
aZ
J
K
T
K
L
M
T
K
aY
T
K[M
XZN^
Procedures
Ucedures
KVWTKXLforMTZthe
JKPinstrument
QXZTW[KQZYalone.
NMQK_ˆT
MUKVWTKXLforMTTrepeatKSKYZ{ VK
L
N
K
U
Z
P
M
QT
K
N
Y
Z
K
V_
I
K
X
Z
P
Q
RM
QYN
M
OS
T
K
X
X
WT
K
\N
Y
T
R
KVP
X{
deflection
related.
Testing
on
a low
pressure
/ large
disYability
]PNPZ^Ztesting
KXZPQRKelastic
NYXZPUKelement
NK[KQZST
KXXWTKRY
WRKXYareTK placement
pressure
gauges
seal
/ instrument
assembly,
therefore,
would
SN
Y
U
K
[K
Q
ZX
K
Y
N
\P
Q
X
Z
T
W
[K
Q
ZY
X
X
K
[]
N
^
a
Z
J
K
T
K
L
M
T
K
aOM
W
N
V
ASME
B40.1.
Appropriate
described
procedures
VK
XUTP]KVPinQq`
‰Š‹t
Œ__qSST
MSTPYZKST
MUKVWTKX Tresult
in
the
highest
diaphragm
stresses.
K
X
WN
ZP
QZ
J
KJ
P
R
J
K
X
ZVP
Y
SJ
T
Y
R
[
X
Z
T
K
X
X
K
X
_
beKY
applied
instruments.
Xshould
JMWNV]
SSNPKVZtoMMother
ZJKTZtypes
^SKXMofLpressure
STKXXWTKP
QXZTW[KQZX_
TheKVP
diaphragm
/ instrument
assembly
b(2)ŸdIJ
YSJTYR[Xseal
KYN\P
QXZTW[KQZY
XXK[]N^Xshall
JYNN
b(c)jd‚‡
nfhfpIJ
^XZKTKXPXMofLZthe
JKVP
YSJTYR[ Xseal/
KYN\ be
Hysteresis.
TheKJ
hysteresis
diaphragm
tested
for
accuracy
in
accordance
with
para.
KXZKVLMTYUUWTYU^PQYUUMTVYQUKOPZJSYTY_
beKZ
tested
using
procePinstrument
QXZTW[KQZYassembly
XXK[]N^Xshall
JYNN]
KXZKVW
XPQRZthe
JKST
MUK{ ]KZ
2.10.4.2(a).
The assembly
beKX
subjected
x
_

Œ
_
t_xwYz_IJKY
XXK[]N^Xshall
JYNNZthen
JKQ]
W]KUZKVZtoM
Procedures
Vdures
WTKXLforMTZthe
JKPinstrument
QXZTW[KQZYalone.
NMQK_ˆT
MUKVWTKXLforMTJ
^XZKTKXPX Trepeated
hysteresis
pressure
preferred)
KSKYZKVYapplications
SSNPUYZPMQXMofLaYST
KXXWTKw(hydraulic
J^VTYWNPUS
TKLKTTKVz
Ztesting
KXZPQRMofLKelastic
NYXZPUKelement
NK[KQZST
KXXWTKRgauges
YWRKXYareTKVK
XUTP]KV Zthat
pressure
described
produces
an
indication
ofLx
20%
toM›
80%
ofLZ
the
range
J
Y
ZST
M
V
WU
K
XY
QP
Q
VP
U
Y
Z
P
M
QM
Œ
¡Z
Œ
¡M
J
KT
YQRK
ASME
B40.1.
Appropriate
procedures
be
PinQq`
‰Š‹t
Œ__qSST
MSTPYZKST
MUKVWTKXXshould
JMWNV]K
ofLZ
the
assembly
atZYT
a rate
ofLŒ
0.5
Hz._The
application
and
M
J
KY
X
X
K
[]
N
^Y
Y
Z
KM
_
¢£–
IJ
KY
S
S
N
P
U
Y
Z
P
M
QY
QV
Yapplied
SSNPKVZtoMMother
ZJKTZtypes
^SKXMofLS
TKXXWTKPinstruments.
QXZTW[KQZX_
pressure
pressure
practicable,
Trelease
KNKYXKMofLZthe
JKST
KXXWTKXshall
JYNNbe]KYasXXsmooth
[MMZJYasXST
YUZPUY]NKa
High
Error.
The diaphragm
b(a)d‚
‘kTemperature
flmfhcnohf’h
h“hpIJKVP
YSJTYR[ Xseal/
KYN\ XsoMYasXQ
not
toMX
subject
instrument
mechanism
toMK
excesMZZ
W]KUZZthe
JKP
QXZTW[KQZ[K
UJYQPX[Z
”UKX{
with
Pinstrument
QXZTW[KQZYassembly
XXK[]N^Xshall
JYNNbe
]KZtested
KXZKVPinQYaccordance
UUMTVYQUKOP
ZJ Xsive
upscale
accelerations
orTJ
high
ampliP|KWSX
UYNKM
OQXscale
UYNKY
UUKNKTYZPMQXM
PRJY
[SNP{
orTVM
down
para.
TheKY
assembly
placed
a temSY
TY_2.10.4.2(a).
x_Œ_t_xwYz_IJ
XXK[]N^Xshall
JYNNbe
]KSN
YUKVPinQYZ
K[{ Ztude
impulses
assembly
shall
beK
WVKP
[SWNXKXw(pressure
STKXXWTKXspikes).
SP—KXz_The
IJKY
XXK[]N^X
JYNN]
perature
a temperature
not
SK
TYZWTKZtest
KXZUchamber
JY[]KTYatZYZ
K[SKTYZWTKQ
MZZtoMKexceed
”UKKV Ztested
accordance
with
test
KXZKVLforMTYaccuracy
UUWTYU^PinQY
UUMTVYQUKOP
ZJZthe
JKZ
KXZXspecified
SKUPLPKV
maximum
Zthe
JKXsupplier
WSSNPKT•’sX[Y
”P[W[ Moperating
SKTYZPQRZtemperature
K[SKTYZWTKYand
QV PinQS
para.
not
less
than
1 hrTY
after
the
YTY_2.10.4.2(a)
x_Œ_t_xwYzQ
MZN
KXXZ
JYQJ
LZKTXstopping
ZMSSPQRZ
JK
a period
4 hr.
Yallowed
NNMOKVZtoMXstabilize
ZY]PNP–KLforMTYSK
TPMVMofLQnotMZNless
KXXZthan
JYQtJ
T_ pressure
TheKVP
difference
between
the
first
STKXXWTKUcycling.
^UNPQR_IJ
LLKTKQUK]
KZOKKQZ
JKL
PTXZXsetKZMofL
TheKY
assembly
beKU
checked
IJ
XXK[]N^Xshall
JYNNZthen
JKQ]
JKU—KVLforMTYaccuracy
UUWTYU^YatZZthis
JPX Treadings
test
point
the
readings
KYVPQRXYatZKeach
YUJZ
KXZSM
PQZYand
QVZ
JKNlast
YXZXsetKZMofLT
KYVPQRX
with
para.
TheK Y
Ztemperature,
K[SKTYZWTKaPinQYaccordance
UUMTVYQUKOP
ZJSY
TY_x2.10.4.2(a).
_Œ_t_xwYz_IJ
atZK
each
point
fatigue
error
point.
YUJZtest
KXZSM
PQZPisXZthe
JKL
YZPRWKK
TTMTYatZZthis
JPXS
MPQZ_
difference
point
between
VP
LLKTKQUKPinQZtest
KXZTreadings
KYVPQRXYatZKeach
YUJZtest
KXZSM
PQZ]
KZOKKQ
TheKY
assembly
also
beKK
examined
periodib(3)¤dIJ
XXK[]N^Xshall
JYNNY
NXM]
”Y[PQKVSK
TPMVP{
maximum
Troom
MM[Ztemperature
K[SKTYZWTKYand
QVZthe
JK[Y
”P[W[Moperating
SKTYZPQRZtemperK[SKT{ Ucally
the
for
the
diaphragm.
YNN^Vduring
WTPQRZ
JKZtest
KXZL
MTNleakage
KY—YRKMofLZ
JKVP
YSJTYR[_The
IJK
Yature
ZWTKPisXZthe
JKJhigh
PRJZtemperature
K[SKTYZWTKKerror.
TTMT_
isXZ
the
number
toMN
leakage.
the
Lfatigue
YZPRWKNlife
PLKP
JKQ
W[]KTMofLUcycles
^UNKXZ
KY—YRK_IfLZ
JK
diaphragm
TheKVP
fails,
b(e)fd~Low
“˜kTemperature.
flmfhcnohfpIJ
YSJTYR[ Xseal/instrument
KYN\PQXZTW[KQZ Pinstrument
the
shall
beKT
replaced
and
QXZTW[KQZL
YPNXaZ
JKPinstrument
QXZTW[KQZX
JYNN]
KSNYUKVY
QV
beKZ
tested
with
para.
test
JKZ
KXZUcontinued.
MQZPQWKV_
Yassembly
XXK[]N^Xshall
JYNN]
KXZKVPinQYaccordance
UUMTVYQUKOP
ZJSY
TY_ Zthe
alternate test procedures, or both, may be used when
[
™67r
¥¦§¨©ª«¬­ ®¯°°±®²¨®­¬³®´µ³©ª¶·¸®¹¦¶ª³­¨®¦º®»³¶¬·¸ª¶·¼®½¸«ª̧³³©¾¿
À¦©³§©¦Á¶­ª¦¸®µ·¨®²³®µ·Á³®¦º®­¬ª¾®µ·­³©ª·¼®Ãª­¬¦Â­®Ã©ª­­³¸®¶¦¸¾³¸­®¦º®´¹»½¿
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
00213014567
ASME B40.100-2005
DIAPHRAGM SEALS (B40.2)
(11)
!"#
$%&test
'%&$is%$intended
(&'()')&to*+
'-. &then
#'(+
'0*G')/from
-*0&the
#')$
3,#-340%seal
'313and
()&
#'$
(%&-8.
Duty.
This
be',
perbe'removed
diaphragm
the
instruContinuous
/formed
*-0')*only
(12*on()$
3
,
#
3
4
0
%
'
3
1
%&
#
3
&3
'%
,'
5
$
/
$
'
)/
*
0'
(
&5
*
(
(
'
5
&
$
*
(*
/&
#
'%
'
3
11
'
/
&*
,'
(
;"#
'3
&
'
)03
H$.
diaphragm seals that are specified for
ment connection of the seal left open. The rated maxiDuty”
performance
per-,
para.
mum operating
pressure
applied
to*&
the
pressure
6"Continuous
7*(&$(8*8%98
&2:,'
-/*-03(5','
3-3;2.3.2.1.
<;=;<;>;
080*
,'-3&$(4,'%%8-'%shall
#311be+'3
,,1$')&
#',
-'%%8-'
seal,
with
no*$
instrument
*(('5&$*(*of/&the
#')$
3,#-340 %
'31MA$
&#(
(%&-80'(&
diaphragm
The')$
diaphragm
(1)?"#
3,#-340%seal
'31@$
(%&-80'(&3assembly
%%'0+12%shall
#311 5connection
/ instrument
&&35#')M/for*->15I0$
(;The
"#')$
3,#-340%seal
'31%shall
#311not
(*&%show
#*A
min.
diaphragm
+'/filled
$11')$in(3accordance
55*-)3(5'A$
&#&the
#',
-*5')8-'%)'
%5-$+') 3attached,
be
with
procedures
described
3
(
2'
G
$
)'
(
5
'*
/1
'
3
J
3
4
'
;
para.
The'$
instrument
may
be'recalibrated
$in(,3
-3;<2.9.;B;"#
(%&-80'(&03
2+
'531$+-3&')3and
() any evidence of leakage.
Fatigue.
the
&the
#'3assembly
%%'0+12%shall
#311+
'%&')$
(3accordance
55*-)3(5'A$
&#,3
-3; (j)UV
PWO!"#
$%&test
'%&)'
&'-0$('%&the
#'/fatigue
3&$48'1
$/'*
#'
be'&
tested
in
with
para.
This
determines
life
of/&
<2.10.4.2(a).
;>C;D;<E3F;"#
(%&-80'(&%shall
#311&then
#'(+
'0*G')/from
-*0 )$
3,#-340;XIt&%shall
#311be+'5
*()85&')*on(3)$
3,#-340%seal/
'31@
The'$
instrument
be'removed
diaphragm.
conducted
a diaphragm
&the
#')$
3,#-340 %seal
'313and
()&the
#'$instrument
(%&-80'(&5connection
*(('5&$*(*of/ $instrument
(%&-80'(&3
%%'0+12M8%
$(4&
#'$
(%&-80'(&with
A$&#&the
#'1larg3-4.
diaphragm
assembly,
using
the
instrument
rated
maximum
&the
#'%seal
'311left
'/&*open.
,'(;"#
3&')03
H$080 *operating
,'-3&$(4,'%. 'est%&3actuating
5&83&$(4)$
%,135'0'(&E(usually
8%83112&the
#'1
*A'%&,'%%8-'
The'presdisplacement
lowest
pressure
for
%sure
8-'%shall
#311+
,,1$')&to*&the
#',
-*5'%%5connection
*(('5&$*(*of/&the
#' -range)
3(4'F/
*-&
#'$
(&'()')3application
,,1$53&$*(*of/&the
#'%seal.
'31;Since
R$(5'&
#'
be'3
applied
process
the
intended
the
)$
3,#-340 %seal
'31/for*-3,'
-$*)*of/>15I0$
(;"#
3,#-340 ,'%%8-'$is%3almost
10*%&'equal
Y831*on(+
*&#%sides
$)'%*
&#')$
3,#-340M
diaphragm
a period
min.
The')$
diaphragm
pressure
both
of/the
diaphragm,
not
highest
imposed
when
the
dia%seal
'31%shall
#311(
*&%show
#*A3any
(2'evidence
G$)'(5'*of/1leakage.
'3J34';
&the
#'#$
4#'%&%stresses
&-'%%'%A$
11+
0,*%')A#'
(&
#')$
3.
will
be'$
phragm
-340 $is%)$
%,135')&to*$
&%03
H$080;
displaced
its
maximum.
After
(2)KL/
&'-&the
#'&test
'%&,pressure
-'%%8-'$
'1'3%')M&the
#'$instru(%&-8. ,#
is%released,
ment
be'reassembled
diaphragm
The')$
diaphragm
/ instrument
shall
0'
(&%shall
#311+
'3%%'0+1')&to*&the
#')$
3,#-340 %seal,
'31M&the
#'
(1?)"#
3,#-340%seal
'31@$
(%&-80'(&3assembly
%%'0+12%
#311
procedures
described
para.
in
with
para.
2.9.
It&%
shall
be'
3assembly
%%'0+12-refilled
'/$11')8using
%$(4&the
#',*5')8-'%)'
%5-$+')$in(,3
-3; be
+'/filled
$11')$
(3accordance
55*-)3(5'A$
&#,
3-3;<
;B;X
#311&then
#'(+
The'$
instrument
<2.9.;B;"#
(%&-80'(&03
2+
'531$+-3&')3and
()&the
#'3assem%%'0. %subjected
8+Z'5&')&to*-repeated
','3&')3applications
,,1$53&$*(%*of/pressure
,-'%%8-'E(hydraulic
#2)-381$5
may
be'recalibrated
+12%shall
#311be
+'&tested
'%&')/for*-3accuracy
558-352$in(3accordance
55*-)3(5'A$
&#,3
-3; ,'/'--')F'equal
Y831&to*3approximately
,,-*H$03&'12<
C[ to&*T80%
C[ *of/&
#'
bly
with
para.
preferred)
20%
the
The'3
assembly
be'A$
within
instrument,
a rate
of/C
0.5
Hz.;The
rate
<2.10.4.2(a).
;>C;D;<E3F;"#
%%'0+12%shall
#311+
&#$(&the
#'3accuracy
558-352 -range
3(4'*of/&the
#'$
(%&-80'(&M3at&33&'*
;I\]
"#'3&'*of/
1limits
$0$&%*observed
+%'-G'),prior
-$*-&to*&the
#'&test.
'%&;
,'%%%8-'5
#3(4'%should
#*81)3
,,-*H$03&'3%
$('A3
G'M&
presssure
change
approximate
a sine
wave,
to*
G*$)8upscale
,%531'*or-)*
A(%scale
531'$
0,81%'%E(spikes).
%,$J'%F;
down
impulses
(i)
NSeal.
OPQ!"#
$%&test
'%&$
(&'()')&to*+
-. 3avoid
Continuous
This
is%$
intended
be','
perdiaphragm
The'3
assembly
periodically
/formed
*-0')*only
(12*on()$
3,#-340 %seals
'31%&that
#3&3are-'%specified
,'5$/$')/for*(2)K"#
%%'0+12%shall
#311be
+''examined
H30$('),'
-$*)$53112/for*per-,3
para.
diaphragm
The'/
fatigue
6”Continuous
7*(&$(8*8%RSeal”
'31:,performance
'-/*-03(5','
-3;2.3.2.2.
<;=;<;<;
)$
3,#-340 1leakage.
'3J34';"#
3&$48'1life
$/'$
#'(
80+'-*
is%&
the
number
of/
"#')$
3,#-340 %seal/
'31@$instrument
(%&-80'(&3assembly
%%'0+12%shall
#311+
251'%+
'/*-'1leakage.
'3J34';XIf/&the
#'$
(%&-80'(&/fails,
3$1%Mit$&%shall
#311+
The diaphragm
be' 5
cycles
before
instrument
be'
with
The'$
instrument
the
/filled
$11')$in(3accordance
55*-)3(5'A$
&#,para.
3-3;<2.9.;B;"#
(%&-80'(&%shall
#311 -replaced
',135')3and
()&
#'&test
'%&5continued.
*(&$(8');
[
S68T
^_`abcdef ghiijgkagfelgmnlbcopqgr_oclfag_sgtloepqcopugvqdcqllbwx
y_bl`b_z{ofc_qgnpagklgnpzlg_sgfecwgnpflbcpug|cfe_{fg|bcfflqgo_qwlqfg_sgmrtvx
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
ASME B40.100-2005
ASME B405
1 Scope
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
2 Purpose
!. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
"3 #
$%&. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
General
4 Safety
%'(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73*
5 +Testing
!(,$-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74.
/Figures
,-!
Orifice
01 1Fixed
234567
28294. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710
:2 ;<
=>4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710
Valve
Metal
*3 ?Porous
@7@ABC4
D<=. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710
—1
4
Plug
Fluid
. 1Felt
4=D?=
AEF
=A251Filled
2==45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72:
G5 ?Piston
2BD@H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72:
I6 JTest
4BDKSet—Up
4DLMN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75G
7 JTypical
ON29<=PInput
HNADKSurge
A7E4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76I
Output
Q8 R4
B27<S=4KSnubber
HASS476AD
NAD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Desirable
Nonmandatory
T
$U%$V%()Appendix
$V,W
Requirements
X KSupplemental
ANN=4Y4HD<=Z4
[A274Y4HDB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78Q
A
I\
69
]^_`abcde fghhifj`fedkflmkabnopfq^nbkèf^rfskndopbnotfupcbpkkavw 30¢
x^ak_a^yzneb^pfmo`fjkfmoykf^rfedbvfmoekabotf{bed^zef{abeekpfn^pvkpef^rflqsuw 53
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
ASME B40.100-2005
SNUBBERS
1 SCOPE
*employ
3/,(6sealing
*,23*
(
*than
/**threads
*
*
means
other
tapered
are
'
'
*
/
,
*
$
acceptable.
This
devices
Standard
(B405)
!"#$%&is'confined
()*to(*
+'*that
are* nInapplications
//,'((of)/
/*13(0*
03*8.
**
pipe—mounted
instruments,
where
installed
,,**.**the
*/pressure
*0*source
(0'*and
the
*/
*0*1 +Vibration
between
pressure
(
:
*
3*
,
6
*
+
*
*
8'
(
*
(
(
0,
is*
extremely
severe,
consideration
should
be*
sensing
*2*element
,*3*and
are*0
*to(3
34*
**effect
))*' 2given
used
minimize
the
to(
the
possibility
of))
failure
of)the
snubber
orassoci
+
*
*/(
,
6(
,
0
*(
*
0*
(
(
'1
positive
pressure(of)/pressure
*0*surges
02*(on/(
+*and
negative
*2+*/
*0*1 ated
piping,
caused
by
the
vibrating
mass.
A ,
larger
*
/
/
2
8'
0
*
6
*+
23
$m
2
*
sensing
*2instruments.
03*$
in.
NPT instead
NPT)
'connection
(*'((e.g.,
*$2$8g7/2f
$g14"li
*(of)g7/4"in.
$g18jli&
and/
p(or
(2*3
*,(e.g.,
*$2$8stainless
,*steel
**,instead
*
a stronger
material
of
brass)
should
be
considered.
(
)
&
(
0,
*'
(
*
*
$
52 PURPOSE
***
+'*'commonly
(33(,67known
(.assnubbers,
0--*8/0,
1 3.3?;qr
These
devices
pulsacABDrGd
Materials
dampeners,
pressure
tion
(
3/**8/
*0**equalizers,
90,4*82gauge
02*/
(*'(8 ;
protectors,
*,3
*,30
(3/-,*.
*
The*
internal
materials
mustbe*'
compatible
with
the
2gauge
02*savers,
+*8*etc.,
'$8are*0
*to(improve
3/(+*the
*(output
0/0(or /
used
the
external
materials
must
be
compatible
(
'
*
**
:
*
,3
*
,
30
*'
(
3/
,*
process and
readability
*-,6(of)the
*instrument,
03*8and
to(reduce
*0'*the
**effect
))*' .
with
the
environment.
**
+
(
3*
$
**
)
)
*
'
(
)
*
0'
0
,(
The effect of the structural or
They
(of)/pressure
*0*surges
02*(onthe
*instrument.
03*$
*6also
,(,limit
3 3*
must
also
be*'
considered.
If)*
elasto'',,loading
(230
,((**$n
,(1
discharge
pressure
medium,
in
the
**external
:*,
'2*(of)the
*/
*0*3*
038
the
* mechanical
meric
materials
present,
should
'(ornonmetallic
(3*,,'3
*,are*/
**8they
*6
(0,
*event
+*
'(06should
(0,(occur
''0(onthe
*instrument
03* 3*
a discontinuity
-*selected
*,*'*to(*ensure
0*'compatibility
(3/-,6.
*/
('*
be
with
the
process
side
*(of)the
*snubber.
0--*$
3*
038temperature,
*3/*0*8and
/
*0*$
medium,
pressure.
GENERAL
;3 <
=>
Defi
;3.1?@Terminology
ABCDEFGFHIJA
KDEned
AL
;3.4?s@
IeAdFofKSnubbers
EtuuABd
Types
Orifice.
This
device
contains
one
more
;3.4.1
?s?vFixed
DwALB
DKDbA?
*
+'*'
((
*(or3(
*
orifices,
is
available
in
different
and
)'*8and
+,-,*
))**sizes
4*
'configura()201
Terms
*3relevant
*,*+to(this
Standard
and
itsapplication
//,'( (
tions.
The
orifice
may
be
in
the
form
of
a
capillary.
(
$
*(
)
'
*3
6*
*)
(
3(
)'
/
,,6$The
*
are*as)follows:
(,,(.M
fixed
orifice
is
not
adjustable
and
may
become
plugged
)
:
*
(
)
'
*
(
x
0
,
*
3
6*
'
(
3*/
,
02
2*
amplitude:
maximum
departure
pressure
from
NOPQRSTUVWthe
*3
:303*
/0*(of)the
*/
*0*)
(3 in3*
media
with
suspended
solids.
It'
can
reduce
moderate
.
0
/*
*
(
,
$
n
*
0'
*3(
*
*
the
*average
+*2*/
*0*$
pressure.
surges
02*
'clean
,*systems.
6*3$
**yFig.
2$g1.$
in
See
fluctuutiou:
a nonperiodic
XQTYSTNSRZ[W
(/*('surge.
02*$
Valve.
device
of)
an
;3.4.2
?s?5z
rG{A?This
*
+'*'consists
((
*externally
:*,,6
pulsation:
a periodic
PTQ\NSRZ[W/*
('surge.
02*$
valve
increases
adjustable
x0-,*+
,+*$Closing
|,(2the
*+
,+*
'**
*
3/1
valve.
the
dampSome
valves
include
long
tapered
plugs,
2action.
'($
(3*+
,+*
',0*,
(2
/**/
,028
per
]rate
NSVZofpressure
XP]V\\T]VYchange:
^N[_VWpressure
/*0*'change
2*/
*time
3*interval.
*+,$ *ening
checks.
,*8and
p/ (or'controlled
((,,*,leak
*7'
*'7$
a change
]response
V\PZ[\VStime:
ROVWthe
*time
3*required
*90*)for('
2*insystem
6*3 )filters,
be*
indicated
by
/*0*to('*6the
*instrument.
03*$
pressure
CAUTION:
be possible
close
valve
‚ƒ„It may
†‡ˆ‰Š‹Œ
Ž‰ŠtoŒ
ŒŠŒoff‘‘the
’Š“
‡“Šcompletely.
Œ†‹ŠŠˆ”
a surge
dampening
device
designed
\snubber:
[T``V]W
02*
3/*2*
+'*that
is*
2*to( }~€
SeeŠ–
Fig.
Ž—”˜2.”
minimize
3
34*the
**effect
))*'(of)/pressure
*0*spikes
/7*and
surges
02*(on •Š
while
pressure,
instruments
03*.
,*allowing
,,(.2'changes
2*insystem
6*3/
*0*8 ;3.4.3
Metal.
This
nonadjustable
device
con?s?;Porous
FBFtdqA
crG?
(x0-,**
+'*'
(1
pulsations
be*
transmitted
and
,low
(.)frequency
*90*'6/0,
(to(3*to(the
* sists
of)/(
a porous
metal
element,
available
in
several
(
(
03*
,*
,
*
3*
8
+
,
,
*
*
+*
,
instrument.
03*$
within
a fitting.
has
an
/(
(*8installed
,,*.
)
2$nIt
increased
'**
porosities,
dampening
a reduced
plugging
range
2*(of)
3/*2and
*0'*tendency
**'6to(/
,0222
a short
\spike:
PRaVW
(duration,
0(8high
2amplitude
3/,0*surge.
02*$
with
suspended
solids
as
compared
to
fixed
orifices.
.
0
/*
*
(
,
'
(
3/
*
()
:
*
(
)'*$
a sudden
drop
in
\surge:
T]_VW
0*rise
*(or
(/
system
6*3 pressure.
/*0*$
See**yFig.
2$™3.$
;3.2?5Connections
FEEAbcDFEd
— Fluid
This
device
;3.4.4
?s?svFelt
AGcPlug
GtHšv
GtDLvFilled.
DGGAL?
*
+'*'consists
((of)
a bladder
diaphragm
a fluid—filled
,*(or
/23*enclosing
',(2)
,01),,*'chamber
3-*
pipe
;3.2.1
?5?@Type
IeAFofKConnection.
FEEAbcDFE?Tapered
/**/
/*'connections
(*'( with
felt
plugs
inserted
between
the
chamber
and
.
)
*
,
/,
02
*
*
*
.*
*
*'
3*
the
*
pressure
up through
20,000
psi(
org
160
000
kPa
are
)for(/
*g0*0/
(02f
#
8
#
#
#/
h
##
#
#7
i
*
The*/
pressure-sensing
instruinstrument.
03*$
*0*1*2*element
,*3*(of)the
*
01
usually
NPT,8g
‘/4" in.
NPT,8(
org
’/2f in.
NPT
$g18jli
$g14"li
0
0,,6-‘/8jin.$f27kli
ment
mustbe*)
fluid
The*)
felt
plugs
can
be*'
com30
,0)filled.
,,*$
*,/,
02'
(31
American
pipe
m3*
'Standard
*external
:*,(orinternal
*,tapered
/**/
/* 3*
provide
required
dampening
perml
ANSIn!g
B1.20.1,
required.
Above
pressed
threads
*/*
$f#$g8as
*90*$m(+*this
/pres*1 /
**to(/
(+*the
*
*90*
3/*2and
the
*
bladder
minimizes
plugging
by
high
pressure
media
sure,
0*8
2/
*0*tubing
0-2'connections,
(*'(8(or*equal,
90,8should
(0, )fluid-filled
,01),,*,*3
34*/,
022263*
solids.
(,$
be
Other
-*0used.
*$o
*appropriately
//(/*,6sized
4*'connections,
(*'(8that
See**yFig.
2$4."$
[
k70#
›œžŸ¡¢£ ¤¥¦¦§¤̈ž¤£¢©¤ª«©Ÿ¬­®¤̄œ¬©£ž¤œ°¤±©¬¢­®¬­²¤³®¡®©©Ÿ´µ
¶œŸ©Ÿœ·¸¬£œ®¤«­ž¤̈©¤«­·©¤œ°¤£¢´¤«­£©Ÿ­²¤¹£¢œ¸£¤¹Ÿ££©®¤¬œ®´©®£¤œ°¤ª¯±³µ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0SNUBBERS
12334506(B40.5)
3789
0 437898888
ASME B40.100-2005
Orifice
|_|
%
GENERAL NOTE: Not intended to show design detail.
Orifi
Fig.
1 Fixed
ce
\X\.
t
\x\
+,-./01stem
2/3
/Valve
Radial
4,
56,groove
0078
99./
s\\\
0
Controlled
!""#$
Check
%Leak
#&'()#
*'
GENERAL
NOTE:
NotDE
intended
:;
<;=>?<@A
;B<C
FDGFHGHDtoCIshow
JCKHdesign
GIELFHdetail.
GDMENO
Fig.
P2 Valve
QRST
This
device
U3.4.5
^_VPiston.
Y[W`ab
cdef
gchfh
ijdcdkdioflmni
gmopfq
cdkij
consists
a movable
piston
cjmbipfrabfhpfmsmjhfofktffjkbfqcdkijmjekbf
bipfefkfsncjfdkbfmniujkilemnqfjcjvrwkcdudumppx
lusjcdbfetckbnupkcqpfqcdkijdismhxpcjefstckbnupkcy
qpfbipfdrabfmniujkildjuoocjvhmjofhbmjvfeox
hbmjvcjvqcdkijdisbipfdrzcdkijykxqfdjuoofsdkfje
kiofdfplhpfmjcjvofhmudfilkbfmhkcijilkbfqcdkijr
{ff|cvr}r
in a hole. The clearance between the piston and the
hole determines the amount of dampening. It is usually
furnished with multiple pistons or a cylinder with multiple holes. The amount of snubbing can be changed by
changing pistons or holes. Piston-type snubbers tend
to be self cleaning because of the action of the piston.
See Fig. 5.
/77
Porous
metal disc
?z74//«z’/ /
/
GENERAL NOTE: Not intended to show design detail.
Metal
Fig.
U3 VPorous
WWXYZ
[RS
U3.5_~Selection
S[W`
System
system
U
_~
Y[€VParameters.
RR€[YThe
abflfollowing
ippitcjvd
xdkfn
3.5.1
qmsmnfkfsddbiupeofhijdcefsfeoxkbfudfslisfmhb
mqqpchmkcijilmdjuoofsrabffllfhkilkbfdfqmsmnfkfsd
nmxgmsxefqfjecjvijkbfcjdksunfjkudferabfduqy
qpcfsdbiupeofhijdupkfelismddcdkmjhfclsf‚ucsfer
Viscosity.
for
dampening
U3.5.1.1
_Q
YWY[More
ƒisfem
nqfjcjvcisdsrequired
f‚ucsfel
is
media
low
Viscosity.
nf
ecmioflp
itg
cdhidckxr
parameters should be considered by the user for each
application of a snubber. The effect of these parameters
may Vary depending on the instrument used. The supplier should be consulted for assistance, if required.
\71]
.3.
'3?
„ †‡ˆ‰Š‹Œ Ž‘‡Œ‹’“”’ˆ‰•–—˜ •‰’Œ‡™š’•‹–—‰•–›œ—Š‰—’’ˆž
Ÿ ˆ’†ˆ ¡•Œ‰—”–‡‘’”–’™Œ‹‰”–Œ’ˆ‰–›¢‰Œ‹¡Œ¢ˆ‰ŒŒ’—•—’—Œ™“˜šœž
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
1SNUBBERS
4431(B40.5)
4567
ASME B40.100-2005
The%$
higher
the
3.5.1.3
ERate
FAofGPressure
!""!HChange.
IFB#$
&'$%()
$%
.8
&
.,.
(
)
%/
1*(
%
+
+
,(
%<
$0'%
@)
$%'(
%
)
%
()
$%
maximum rate of pressure change, the greater the
/
dampening
-amount
./,0)/of12.*%0&0'(required.
%3,&(%24
Amplitude
The%$
higher
3.5.1.4
J
KLAofGPressure
!""!HChange.
IFB#$
&'$%(
)
$%.*6
&
)
,2%/1*(
%
+
+
,(
%<
$0'%
@)
$%'(
%
)
%
()the
$%
the
amplitude
of
pressure
change,
the
greater
Felt
plugs
%
m
-amount
./,0)/of12.*%0&0'(required.
%3,&(%24
dampening
Volumetric
3.5.1.5
M
AK!NODisplacement
"LFNKBAofGthe
IPInstrument.
B"!KB
screw
with
higher
Q%
0%(-6696less
%++2.*%0&0'&is+(required
%3,&(%27&
)$$
&'$%(instru&0+)(,>
Generally
dampening
ment
.%
0)R
/6,.%)(&<2&
+*6-<%.%0)4
Volumetric
displacement.
Bladder
/
3.5.1.6
STU
"KPressure.
!""!#$%+
0,==%(.,+
System
The snubber
must)=
be%
withstanding
<capable
-*-=6%/of17&
)$+)-02&0')the
$%+system
9+)%. pressure.
*(%++,(%4
media
3.5.1.7
VTSuspended
"LBTSolids.
A"Some
W/.%*(
%++,(%.%
2&pressure
.9<contain
/0)-&0+solids.
/6&2+4A?+snubber
0,==%(.9=
-()&-669/or(<com/.>
may
may
be%*
partially
pletely
plugged
depending
its
design.
these
cases,
*6
%)%69*
6,''%22%
*%02&0'/on0&
)+2%
+&'04XIn0)
$%+%<
-+%+@
would
be%advisable
protect
instrument
and
the
&it)7/
,62=
2R&+-=6%)to/*(
/)%<))the
$%&
0+)(,.%0)02)
$%
+snubber
0,==%(7&
)$-2&
-*$(-'.+seal
%-6/or(+similar
&.&6-(2%
R&<%@unless
,06%++
with
a diaphragm
device,
)this
$&+1feature
%-),(%&is+*
(/R&2%2&in0)the
$%+snubber.
0,==%(4
provided
Materials
The internal
3.5.1.8
YZF
!F"AofGHConstruction.
AB"!NAB#$%&
0)%(0-6
material
must)=
be%<
compatible
with
process
and
the
.)%(&-6.,+
/.*-)&=6%7&
)$)the
$%*
(/<%++02)
$%
%external
8)%(0-6materials
.-)%(&-6+.,+
=%<compatible
/.*-)&=6%7&
)$)the
$%%environ0R&(/0>
must)be
with
GENERAL NOTE: Not intended to show design detail.
ment.
The%%
effect
mechanical
.%
0)4#$
11%<)/of1)the
$%+structural
)(,<),(-6/or(.%
<$-0&<-6loading
6/-2&0'
must)also
be%<
considered.
If1%
elastomeric
nonmetallic
.,+
6+/=
/0+&2%(%24X
6-+)/.%(&</or(0
/0.%)-66&<
materials
.)%(&-6+-are(%*(
%+%0)@)they
$%9+should
$/,62=
%6%<)%2)to/%
0+,(%
present,
be%+
selected
ensure
— Fluid
Fig.
4 Felt
Plug
Filled
with
process
medium,
<compatibility
/.*-)&=&6&)97&
)$)the
$%*
(/<%++.%
2&,.@)temperature,
%.*%(-),(%@
and pressure.
Pressure.
The higher
pressure
3.5.1.2
!
""!#$%$&
'$%()the
$%*(
%++,(%)the
$% -02*(%++,(%4
Due to/)
the
extensive
number
of1
greater
of dampening
Below
HConsultation.
AB"FAB[,%)
$%%
8)%0+&R%0
,.=%(/
'(
%-)%()the
$%-amount
./,0)/12.*%0&0'(required.
%3,&(%245%
6/7 3.5.2
-(&-=6%+-associated
++/<&-)%27&
)$)the
$%+selection
%6%<)&/0/of1+snubber
0,==%()types,
9*%+@
-approximately
**(/8&.-)%69:10;*
+&)the
$%*%
(1/(.-0<%=
%</.%+6
%++*(
%> Rvariables
with
psi
performance
becomes
less
preprarmeters,
detailed
cridictable.
At lower
pressure
dampening
)96%+@/operating
*%(-)&0'*(
-(.%)%(+@%etc.,
)<4@2%
)-&6%2+selection
%6%<)&/0<
(&>
2&
<)-=6%4?)6
/7%(*(
%++,(%'generally
%0%(-6696less
%++2.*%0&0'&is+ +styles,
beyond
the
The%
may
be%(
required
%(&-&is+=
%9/02)
$%+scope
</*%/of1)this
$&+WStandard
)-02-(2\(B405).
5];4^_4#$
(required,
%3,&(%2@-and
02+some
/.%%experimentation
8*%(&.%0)-)&/0.9=
%3,&(%2 )teria
,+
%(+should
$/,62<
/0+,6))the
$%+supplier
,**6&%(1for/((recommendation.
%</..%02-)&/04
)to//obtain
=)-&0)the
$%2%
+&(%2-amount
./,0)/of12.*%0&0'4
user
consult
desired
dampening.
/
Adjusting
Piston stop
Piston
Piston stop
Extra
Piston
hole
Cyfi nder
0:.
00
O
GENERAL NOTE: Not intended to show design detail.
Fig.
5 Piston
"AB
CD
American
Mechanical
Engineers.
Copyright
`a
bcdefgh©ij2006
kklimbycithe
hgniopn
deqrsitSociety
aqenhciaofuivn
qgrseqrwixs
fesnndyz 39¢
No
material
ASME.
{adreproduction
nbda|}qheasimay
prcimbenimade
pr|niaofuihthis
geyipr
hnderwiwithout
~ehga}hiwritten
~dehhnsiqconsent
asynshiaofuiot
vxz 53’
0SNUBBERS
12334506(B40.5)
3789
0 437898888
ASME B40.100-2005
3.6Performance
L4 PSAFETY
fgMh
3.6.1
Pressure
Transmission
!!"Characteristics.
#$!$!%In&'sys(') L
PScope
T
4.1
have
will
minimize
*tems
+,'*that
-.*./+'surges,
012+'3*the
-+'snubber
&044+156
77,6
&6,68+*the
-+ G6''section
+:*6;&;of9the
*-+'standard
*.&@.1@<1
+'+&*':
+1*.6&6
&9;1,.)
This
presents
certain
informaIf9high
+effect
99+:*;of9*the
-+<+
.=<1
+''01+';on&*the
-+6
&'*10,+&*>%
62- *tion
peak
pressures
instrument.
to
guide
users,
suppliers,
and
manufacturers
6
;
&*
;2
06
@+0'
+
1
'
3
'
0
<<7
6
+
1
'
3
.
&
@,.
&
09
.
:
*
01
+
1
'
*toward
;5.1@
9frequency
1+?0+&:(<
07'.*6;&'.are1+<1
+'+&*3*the
-+6instrument
&'*10,+&*;output
0*<0* ,6
pulsations
present,
minimizing
the
hazards
&
6
,6
8
6
&
2*
+.
8
.
1
@'*
.
*:
;
07
@1
+
'
07
*9
1
;
,
,6
'0'+
that
could
result
from
misuse
will
be+.
an
56
77*tend
+&@*to;4
&.average
/+1.2+1reading.
+.@6&2>
;
'
.
<
<7
6
:
.
*
6
;
&;
<
1
+
'
'
01
+'
&
04
4
+
1
'
>
G+
1'
;
07@
or1,6
misapplication
of9pressure
snubbers.
The+0'
user
should
3.6.2
AB
CD+&*the
-+5;
1=6&2<.
1*'.are1+<1
;<+17( become
General.
When
working
parts
properly
familiar
with
all
sections
of9*
this
Standard
4+
:
;,+9
.
,6
7
6
.
156
*
-.
7
7'
+
:
*
6
;&';
-6
'i
*
.
&@.
1@
'selected
+7+:*+@6in&.accordance
::;1@.&:+56
*-<.
1.>E3.5,>F3.as'5+
77.as':compati;,<.*6) U(B405),
with
para.
well
this
jk
l
>
F
Y
3
.
7
7
.
'
<+
:
*
';
.
9
+
*
(:
.
&
&
;
*
4
+:
;
/
+
1
+
@6
&*
6'
as'.
all
aspects
of9'
safety
cannot
be
covered
in
bility
with
pressure
medium,
when
instru4676*(56
*-*the
-+<1
+''01+,+
@60,3.and
&@5+&*the
-+6
&'*10) 'section.
+
:
*
6
;
&
>
m;
&
'
07
**
+'
0
<<7
6
+
19
;
1.
@
/
6
:
+5+
&
+
/
+
1*
+
1
+
Consult
the
supplier
for
advice
whenever
there
with
,+
&*.and
&@*the
-+'snubber
&044+1.are1+9filled
677+@:completely
;,<7+*+7(56
*-*the
-+ 6is'0&
ment
:
+
1
*
.
6
&
*
(.
4
;
0**
+.
<<7
6
:
.
*
6
;
&
>
uncertainty
about
the
application.
<1
+''01+,+
@60,3*the
-+6instrument
&'*10,+&*'should
-;07@1respond
+'<;&@*to;
pressure
medium,
within
:changes
-.&2+'6in&'system
('*+, pressure
<1+''01+56
*-6&.an&.acceptable
::+<*.47+*time
6,+ L
General
AB
CnDiscussion
!!
4.2
'span
<.&56
*
;
0
*
;
/
+
1
'
;
;
*
>
D+
&*
+'
(
'
*
+
,6
'
.
*
;
<
+
1
.
*
6&2 L
without overshoot. When the system is at operating
APlanning.
C!OAdequate
^@+?0.*+'safety
.9+*(1results
+'07*'9
1;, 6
&*+776)
from
intelli4.2.1
<1
+''01+32gradual
1.@0.79fluctuation
70:*0.*6;&;of9*the
-+6instrument
&'*10,+&*;output
0*<0* 2gent
pressure,
planning,
careful
selection,
and
proper
installation.
+
&
*
<7
.
&
&
6
&
2
3
:
.
1
+
9
07
'
+
7
+
:
*
6
;
&
3
.
&
@<
1
;
<
+
16
&
'
*
.
7
7
.*6;&>
pressure
@due
0+*to;:changes
-.&2+'6in&<1
+''01+6is'<permissible.
+1,6''647+>The
G-++effect
99+:*;of9 Ginform
the
supplier
of
all
+0'
+
1'
;
07
@6
&
9
;
1
,
*
+'
0<<
7
6
+
1;
9.
7
7:
;
&
@6
*6;&'
The
user
should
conditions
be+,6
minimized.
<1
+''01+'spikes
<6=+';on&*the
-+6instrument
&'*10,+&*'should
-;07@4
&6,68+@> pertinent
pressure
<+1*6&+&*to*;*the
-+.application
<<76:.*6;&.
&@+
&/61;&,+&*'so;*
-.**the
-+
and
environment
that
3.6.3
H
#!CVibration.
I!J$!K;
'*'snubbers
&044+1'56
77not
&;*be4+ 'supplier
Mechanical
Most
will
make
the
most
0<<76+1:can
.&,.
=+*
-+,;
'*'suitable
06*.47+1recommendation
+:;,,+&@.*6;&
mechanical
+effective
99+:*6/+6in&1reducing
+@0:6&2*the
-++effects
99+:*';of9,+
:-.&6:.7vibration.
/641.*6;&> 9for;1*the
-+.application.
<<76:.*6;&>
a new
3.6.4
LMExisting
N!$!OPSystems.
Q$G-+6
&'*.77.*6;&;of9.&+
5 L
The installation
Hazardous
AAo
pbPSystems
Q$and/or
bq"Conditions.
b!$!Systems
i('*+,'
4.2.2
a worn
<1
;<+17('selected
+7+:*+@'snubber
&044+16in&.'
('*+,3:containing
;&*.6&6&2.5;
1& 'such
properly
a system,
as,
but
not
limited
to
the
following,
are
considered
0
:
-.
'
3
4
0*
&
;
*
7
6
,6
*
+
@*
;*
+9
;
7
7
;
56
&
2
3
.
1
+:
;
&
'6@+1+@
may
provide
desired
6instrument
&'*10,+&*,.
(¬*<
1;/6@+*the
-+@+
'61+@1result.
+'07*>
<;*+&*6.77(.8.1@;0'.and
&@,0'
.1+9077(+evaluated:
/.70.*+@r
potentially
hazardous
must*4
be+:
carefully
(oz)
gas
tu:compressed
;,<1+''+@2
.''systems
('*+,'
3.6.5
RSResponse
TTime.
!G+1+.are1+*two
5;1response
+'<;&'+*times
6,+' s
There
(19)
oxygen
s
v
u;
d
(
2
+
&'
(
'
*
+
,'
systems
*that
-.*.are1+;of96interest
&*+1+'*U(paras.
<.1.'>E3.6.5.1
>V>F>W.and
&@E3.6.5.2).
>V>F>XY>
hydrogen
or19
free
hydrogen
s(C)wu'systems
('*+,':containing
;&*.6&6&2-(
@1;2+&;
1++-(
@1;2+&
Operating
3.6.5.1
RSResponse
TTime
!at$ZT
$!OPressure.
On
[& .atoms
*
;
,'
.<1
;<+17('selected
+7+:*+@.and
&@6installed
&'*.77+@0&
6*3.:
-.&2+6
&'system
('*+, s(11)xu:corrosive
a properly
unit,
a change
in
;11;'6/+9fluid
706@'systems
('*+,'U(gas
2.'.and
&@7liquid)
6?06@Y
pressure
be+6
indicated
within
<1
+''01+'should
-;07@4
&@6:.*+@56
*-6&.an&.acceptable
::+<*.47+*time
6,+ s(6)yu<1
any
explosive
or1
+''01+'systems
('*+,':containing
;&*.6&6&2.
&(+
d<7;'6/+;
pressure
This
by
volume
'span.
<.&>G6'*time
6,+6is''shortened
-;1*+&+@4
(1reducing
+@0:6&2*the
-+/
;70,+ 9flammable
mixture
or1,+
medium
7
.
,,.
4
7
+,6
d
*
01
+;
@6
0,
between
pressure-sensing
4+*5++&*the
-+'snubber
&044+1.and
&@*the
-+<1
+''01+)'+&'6&2+element
7+,+&* s(f)zu'steam
*+., 'systems
('*+,'
by
gas'
.and
&@;on&7liquid—filled
6?06@)9677+@'systems
('*+,'4
(+eleminating
7+,6&.*6&2.all772.
(g)
nonsteady
pressure
s
{
u&
;
&
'
*
+
.
@(<1
+''01+'systems
('*+,'
between
pressure-sensing
4+*5++&*the
-+'snubber
&044+1.and
&@*the
-+<1
+''01+)'+&'6&2+element.
7+,+&*> s(11)|u'systems
where
high
overpressure
could
be+.
acci(
'
*
+
,'5+
1
+6
2
-;
/+1<1+''01+:
;07@4
::6)
may
be+1
reduced
by reducing
G-+1
+'<;&'+*time
6,+,.
(4
+@0:+@4(1
+@0:6&2*the
-+ @+
The response
applied
&
*
.
7
7
(.
<<
7
6
+
@
dentally
.amount
,;0&*;of9@.
,<+&6&2>
dampening.
wherein
interchangeability
of9'
snubber
s(i)}u'systems
('*+,'5-+
1+6&6
&*+1:-.&2+.4676*(;
&044+1
When
a system
3.6.5.2
RASResponse
TTime
!onPStart-Up.
$$\]TD+&.'
('*+, :could
hazardous
internal
contamination
;07@1result
+'07*6in&-.
8.1@;0'6
&*+1&.7:
;&*.,6&.*6;&;or1
pressurized,
pressure
will
6is'6initially
&6*6.77(<
1+''0168+@3*the
-+<
1+''01+56
77register
1+26'*+1'slowly
7;57( 5where
could
be+6
installed
+1+7lower
;5+1<pressure
1+''01+'snubbers
&044+1':
;07@4
&'*.77+@6in&
portion
9for;1*the
-+6initial
&6*6.7.and
&@9final
6&.7<;
1*6;&;of9*the
-+<1
+''01+1rise,
6'+3but
40* higher
pressure
pressure
-62-+1<1
+''01+'systems
('*+,'
will
be+1
rapid
portion.
decrease
56
774
.<6@9for;1*the
-+:central
+&*1.7<;
1*6;&>GTo;@+
:1+.'+*the
-+ s(j)~u'systems
containing
fluids
('*+,':
;&*.6&6&21radioactive
.@6;.:*6/+;or1*toxic
;d6:9
706@'U(liq76?)
minimize
volume
;overall
/+1.771response
+'<;&'+*time,
6,+3,6
&6,68+*the
-+9fluid
706@/
;70,+9from
1;, 06
uid
or12
gases)
@;
.
'
+
'
Y
liquid*the
-+'snubber
&044+1*to;*the
-+<1
+''01+)'+&'6&2+element.
7+,+&*>%In&7
6?06@) s(k)u'systems
pressure-sensing
a hazardous
('*+,'6installed
&'*.77+@6in&..8.1@;0'+environment
&/61;&,+&*
9filled
677+@'systems
('*+,'1remove
+,;/+.all772gas.'9from
1;, *the
-+'snubber
&044+1*to;*the
-+
Unique
Media.
snubbers
be+0'
used
in
L4.2.3
A]
!€H
b!When
D-+&'
&044+1'.are1+*to;4
+@6
&
pressure-sensing
damp<1
+''01+)'+&'6&2+element
7+,+&*;or11reduce
+@0:+*the
-+.amount
,;0&*;of9@.
,<) :contact
with
media
having
known
or
uncertain
corrosive
;
&
*
.
:
*
56
*
-,+
@6
..
/
6
&
2=
&
;
5&;
1
0&
:
+
1
*
.
6
&:
;
1
1
;
'
6
/
+
+ening.
&6&2>
or1=
known
to
be
radioactive,
random
or10&
unique
+
9
9
+
:
*
';
&
;
5&*
;4
+1
.
@6
;
.
:
*
6
/
+
31
.
&
@;
,
;
6
?
0+
effects
A lower
3.6.6
Temperature
T$MEffect
$onSResponse
TTime.
!^7
;5+1 destructive
user
'*10:*6/+<phenomena
-+&;,+&.:can
.&;occur.
::01>%In&'such
0:-:cases
.'+'*the
-+0'
+1
in
a more
viscous
pressure
*temperature
+,<+1.*01+*that
-.*1results
+'07*'6
&.,;
1+/6
':;0'<1
+''01+ @+
should
always
furnish
the
supplier
with
information
'
;
07
@.
7
5.
(
'9
01
&
6
'
-*
+'
0
<<7
6
+
156
*
-6
&
9
;
1
,.
*
6
;
&
medium
will
This
will
be+ 1
,+
@60, 56
776increase
&:1+.'+*the
-+1response
+'<;&'+*time.
6,+>G6'56
774
relative
to
the
application
and
solicit
his
advice
prior
to;
+
7
.
*
6
/
+*
;*
+.
<<7
6
:
.
*
6
;
&.
&
@'
;
7
6
:
6
*6
'.
@
/
6
:
+<1
6
;
1*
most
noticeable
,;
'*&
;*6:+.47+;on&'start—up.
*.1*)0<>
6installation
&'*.77.*6;&;of9*the
-+'snubber.
&044+1>
The snubber
be+7
located
3.6.7
_`Location.
$!G-+'
&044+1'should
-;07@4
;:.*+@.as' L
4.2.4
Violent
and
within
ALI
!C$MEffects.
$Fire
61+.
&@+explosions
d<7;'6;&'56
*-6&.a
possible
:close
7;'+.as'<;
''647+*to;*the
-+6instrument.
&'*10,+&*>
with
very
violent
pressure
<1+''01+'system
('*+, :can
.&:cause
.0'+9failure
.6701+56
*-/+
1(/6
;7+&*
Failure
in
a compressed
be+
99+:*'>.
6701+6
&.:
;,<1+''+@2gas.''system
('*+, can
:.&4
Gas.
Entrapped
a liquid-filled
3.6.8
aMEntrapped
$TTbB
c&
*1.<<+@2gas.'6in&.7
6?06@)9677+@ +effects.
to;<1
produce
violent
effects.
may
d<+:*+@*
;@0:+/
6;7+&*+
99+:*'>Violent
‚6;7+&*+effects
99+:*',.
(
will
a slow
response
pressur'system
('*+,56
771result
+'07*6in&.'
7;51
+'<;&'+;on&6initial
&6*6.7<
1+''01) +expected
be+<1
produced
by
including,
7';4
;@0:+@4
(;other
*-+19failure
.6701+:causes
.0'+'6
&:70@6&23but
40*
will
be+'
slow
6ization,
8.*6;&356
77:cause
.0'+*the
-+6instrument
&'*10,+&**to;4
7;5*to;1reach
+.:-8zero
+1; .also
limited
following:
&;*7
6,6*+@*to;*the
-+9
;77;56&2r
when
will
5+&<pressure
1+''01+6is'1removed,
+,;/+@3.and
&@56
77.affect
99+:*6instrument
&'*10,+&* not
embrittlement
s(a)tu-hydrogen
(@1;2+&+
,416**7+,+&*
.accuracy
::01.:(*to;'some
;,++extent.
d*+&*>
[
e73E
ƒ„†‡ˆ‰Š‹ ŒŽŽŒ†Œ‹Š‘Œ’“‘‡ˆ”•–Œ—„”ˆ‘‹†Œ„˜Œ™‘”Š•–ˆ”•šŒ›–‰ˆ–‘‘‡œ
ž„‡‘‡„Ÿ”‹ˆ„–Œ“•†Œ‘Œ“•Ÿ‘Œ„˜Œ‹ŠˆœŒ“•‹‘‡ˆ•šŒ¡ˆ‹Š„‹Œ¡‡ˆ‹‹‘–Œ”„–œ‘–‹Œ„˜Œ’—™›
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
1SNUBBERS
4431(B40.5)
4567
ASME B40.100-2005
(b)contamination
of
!gas
85.36q9Comparison
>Er:C=A>?g
BA<=?o
a compressed
Testing
(C)"formation
ofacetylides
#$
wanted,
then
the
to
IIfcomparison
tests
are&
G
*
*ability
)$#
(d)%&
'!ofsoft
soldered
$ joints
()
#steam
orother
* repeat
by
weakening
*
+
!
+
*
&
*
+
*
the
surge
and
measure
it&
with
and
without
the
*heat
sources
+
+)
)
#
H
snubber
is
necessary.
(e),&
'!ofsoft—soldered
-$ orsilver-brazed
$.-)/ joints
(
weakening
caused
+ by
)#*heat
sources
+such
+*asfires
85.465g
BA<sFluid
m;=t
Test
(f)0corrosions
(g)1fatigue
!+
V*
fluid
$+ can
)
*fluid
$+ on&*
*
*snubber
+))
The
test
be
the
which
the
will
the
is
for
&
$$operate
or,Gif
*test
!general
$effectiveness
.of
mechanical
(11)2
*$shock
*'
the
*snubber,
+))Gthe
*fluid
$+ can
)
*&*
*
in
be that
which
is+
used
(i)3excessive
4..
)
vibration
4
!
W
+
H
I
*
*
$
+
$G
existing
test
equipment.
If
the
choice
of
fluids
is
optional,
54.2.5
67689Caution
:;<=>?<to>@A
BCA
Users
choose
*$
& viscosity
.#$
W+ such
+*as&
*
a low
liquid
water
or
a thin
hydraulic
fluid.
*
#
+$
$
+
H
Oil$
from
54.2.5.1
67686D9Contamination.
>?<:E=?:<=>?6F
instrument
+cali$)orother
*sources
+should
*+$ come
incontact
with
&*
bration
not
68g
BA<
Test
5.5
the
*internal
$
ofthe
*snubber
+))that
*isintended
forair,G 8
part
water
unacceptable
!gas,
Gor&
service.
.HIIfitdoes,
G+
)$delays
$# uvwxy
during
xz{|Failures
}~€‚ƒ„€
~†‡
‚ƒƒ€‚ˆtesting
‚ƒˆ~†}are‚€
‡‚„~‰ˆ}Š‚
pressure
unpredictable
inthe
*transmission
of
+
#occur,
+Gresulting
+$!in }WARNING:
pressure
may
„‹}
Œ‰
}
€ƒ
‚‡}

ˆ
ƒˆ
Š‚‡

‡
‚


‚
„~
Œ„~

‚
‰
ˆ
~

Ž
v
pressure
‡‚ƒƒ€‚
and
may
cause
parts
to
be propelled
in }
any
direction.
All
accidental
$system
# over—pressure
.-+orfailure.
$+H
approˆtesting
‚ƒˆ~†ƒshould
€„Š‚‰
 „€‰ˆ‚„ŠŒ€}
~‘~‚„‡‚
ƒ ‚using
€ƒ~†}
‡‡’
be conducted
by qualified
personnel
‡
~
}
ˆ
‚ƒ
}
‘
‚
ˆ
Œ‚
€~
‡‹‚
ˆƒ
€‰
}
}
‘
‚
ˆ
Π

}
ƒ
ƒ
‚
ƒ
“
ƒ
~
‚

„ƒ
“

‰’
priate
safety
equipment
such
asƒƒ
safety
glasses,
shields,
or‚
enclo54.2.5.2
676867JReuse.
B;AB6IItisrecommended
that
*
+)) ƒsures,
a snubber
€
‚
ƒ
“


‹Š~
}
ˆ
~

“
ˆ
‡
‚
”
‚
ˆ‡‚

ƒ

}
~
•
€
Œ}
„‡

‡‚
ˆŒ
or}‰
a combination,
to
prevent
personal
injury
and
property
not
be
moved
)
. from
oneapplication
$toanother.
*HKShould
*+$ „}
‹}†‚Žw‚
}„ƒsection
‚‰ˆ~ 4–Š‚
‘‚‰conducting
 „€‰ˆ~†}anyŒˆtesting.
‚ƒˆ~†Ž
damage.
Read
before
be
necessary,
it)
#Gthe
*following
$$&!should
*+$ be)considered:
L
Temperature
686Dg
BErBC:<;CBhEffect.
——B˜<6IIftests
areto)
be
compared
(a)MN2
,O3"MPNQ
ORMS33P3STUV*
W+of 85.5.1
Compatibility.
The consequences
Chemical
to
one
onother,
the
test
temperatures
should
be
the
*
G
*
+
*
+$
)
*same.
H
incompatibility
)$#can
range
!from
contamination
toexplo4$It
may
be
worth
noting
that
after
a
prolonged
shutI
#)
&
*
!
*
$
!
*+sive
failure.
For
example,
moving
an
oil
service
device
.$+HX4$G.!$. .to
will
&
$
+
G
*
+
/
&
$$
down
at
cold
temperatures,
the
first
pressurization
failure.
oxygen
4#!orother
*oxidants
4can
result
+$inexplosive
4$.$+H
be
considerably
slower
than
subsequent
pressurization.
)
)
$
#
$
&
*
+)
W
+
+
/
H
Viscosity
Compatibility.
The.
viscosity
(b)Y3
Z"QZ3STNQ
ORMS33P3STUV*
#ofthe
*presThis
phenomenon
can
be
overlooked
if
the
system
is
V*
*
)
.
$
'
*
#
medium
must)
be&
within
sure
+
+ +
*the
*range
!ofthe
*snubber
+))
before
the
+/ forcalibration
$)immediately
$#)
*test.
H
pressurized
moved.
)!
. H
being
Pressure
Compatibility.
The
operating
pressure
(c)"[\
,ZZ]\,NQ
ORMS33P3STUV*
!
+of 85.5.2
6867g
BA<iSet-Up.
B<™@r6KSeeXFig.!Hš
set-up
-+that
**
Test
6 for
a test
has
the
*new
& installation
$$+
exceed
4 the
*
!ofthe
* been
must
not
rating
successfully
used.
It
generates
surges
approxi)
+
+$
$
#+
HI
!
+
!
4
being
snubber
+)))
!reused.
+ H
mately
twice
the
input
pressure.
A typical
input
surge
$
#
&
*
+
+
H
n
#
$
+
+
!
Other
Considerations.
reusing
a snubber,
(ti)%^S
2,\NQ
_Z3%,\MS3Q_ZUWhen
`*
+!
+))Gall$$ isshown
in
Fig.
7.H
*
&
X
!
Hp
!guidelines
+$covered
. inthis
*KStandard
a(B405)
bcdHefrelative
$.to
manner
applications
$should
*+$ be)followed
$$& inthe
*same
as 85.5.3
Desirable
Output.
686q›B
A=C:œmBiSnubber
?;œœBC;
<r;<6The
V*dampened
out+when
a new
&*
&snubber
+))isselected.
$ H
put
should
resemble
8.HŸ
Generally
the
maximum
+
*+$ )$XFig.
!Hž
$$#
*
4+
pressure
rise
would
rate
of
+
&
+$ be
)
5,000
eGddd
sec
from
psi/
to
for
¡
e
G
d
d
d
¢£
d
G
d
d
d
&
+
$
)
4
+
15,000
psi/
sec;
30,000
psi/
sec
would
be
maximum
85 gTESTING
higjkl
protection
instrument
preseffective
.
ofthe
*
+without
&*+any
#
sure
+overshoot.
.*H
General
85.16DlB
?BC:m
These
provide
V*
tests
areintended
to
.anoutline
+$ofthe
* 8
Equipmennt
¥;=rEB??<
parameters
used
new
per+
when
&*evaluating
.$+!
& snubber
+))
- 5.66¤h
Equipment
be
added
to
suit
the
+can
)
orchanged
*! +
*test
These
formance
and
tosuggest
+!!evaluation
.$+outlines.
+$HV*
tests
¦W
objectives.
equip
)
(
.
H
¦$
+
!
W
+
Electronic
transducers
and
recording
may
may
not
#or
#
satisfy
#the
*requirements
W+ofthe
*intended
ment
reduce
observation
errors
and
give
permanent
test
+
)
.
!
.
When
will
application.
$H`*
itis'known
&that
*the
*snubber
+))&
$$
data.
Simultaneous
records
of
the
input
and
output
are
H
K
+$
+
*
+
+
+
more
less
encounter
+conditions
severe
.or$
severe
.than
* an improvement. An environmental test chamber is nec-
.Hn.$*)may
be
modified
more
those
*specified,
Gthe
*test
#)
to
closely
$$# essary
are
required.
*!*and
/ or$low
&temperature
+tests
W+ H
match
A functional
*the
*application.
$Hn
+$test
inthe
*intended
#ifhigh
best
method.
application
$is!generally
$$#the
*)
evaluation
.$+
* H
The
solenoids
must)
be
fast
85.6.1
6¤6DiSolenoids.
>mB?>=tA6V*
$+
acting.
!H
Generation
85.267iSurge
;CoBlB
?BC:<=>?
Twelve
ft
coil
tubing
is
to
85.6.2
6¤67g
§Bm̈BsFoot
>><9Coil.
>=m6The
V*¡12©
$of
+)!
has
very
little
effect
a snubber,
a means
VTotest
the
*effectiveness
.of
+))G
of!gener- simulate
+$system
# piping.
!HIIt*
.
#$
$
onthe
*
pressure
but
itdoes
reduce
frequency
a means
measuring
pressure
ating
!surges
+!and
of
+!
+onthe
* rate
of
+rise,
G)
+
+the
*
W+#
that
initial
instrument
+side
ofthe
*snubber
+))arerequired.
W+ H
ofthe
*surges
+!
*follow
$$&the
*
$surge.
+!H
[
p74c
ª«¬­®°̄±² ³́µµ¶³·­³²±¸³¹º¸®¯»¼½³¾«»¯¸²­³«¿³À¸»±¼½¯»¼Á³Â½°¯½¸¸®ÃÄ
Å«®¸¬®«ÆÇ»²̄«½³º¼­³·¸³º¼Æ¸³«¿³²±Ã̄³º¼²̧®¯¼Á³È²̄±«Ç²³È®²̄²̧½³»«½Ã¸½²³«¿³¹¾ÀÂÄ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0SNUBBERS
12334506(B40.5)
3789
0 437898888
ASME B40.100-2005
_
£.m%.._¢_ .w
\«
Hocfi mo
_|-
2
-
E28
Em..
:95
98.
-
m5. Emo_EB
=00
_obcoo
Esmmoi
.:_o.:S
o_3_o_Q
-
®£3._uN
\
M
.OZ
m__omwZ m>_m>
/
_
. _9mEo.>n_
m>_m>
N_wuwEo_..:m. oa_
came
_ _
A
._=-.wm
V
E:
m
.OZ
rmxNJ
/
v_o:m_om
.OZ
[
..:..
\®
o>_m>
m:ummZI
mao mo_ _omO
at
2382 m>_m>
/»
/
N
IF
I
>__mF:o:
c._:$x
mmo;
__
I
Q
66
____4E\
m>_m>
.m.m.m
.m:mQ
$3
~\_
9. :wmo.:._:\>>
_ommo_o
>__mE._oc
75
_.
.O7_
mam
. .m$
_m_._.OZ
._w_oc:
m:
@682 w>_m>
.9.m_:E:o m
;8._> w9o_ >_
_u_ocm_ow
A
smmmi
mohsom
umP_mco $385.
wu_>on_
_mo_\
._<mm_zmo meoz A:
!"#!$%&'$!()!$%&$%*+&&!!,.!/0$&#%!#%/!(,#%!%*101!&$&,!&("')+-
Copyright © 2006 by the American Society of Mechanical Engineers.
[ No reproduction may be made of this material without written consent of ASME.
®]
01234567866966
1SNUBBERS
4431(B40.5)
4567
ASME B40.100-2005
Pressure
Time
GENERAL NOTE: See para. 5.5.2.
Fig.
7 Typical
Input
!Surge
"#
Transducer
may
be121
desirable
$5.6.3
%&
"'(#")Location.
**+It,-.
/0
345.061,to7 $
#' OProcedure
"*#("#
5.7
Test
-7
81,the
91,transducer
5.:32;<157out;,7of=,the
91,test
13,<chamber
9.-015=
75,tests
13,3 P(11)QRG913
move
for
The system
be1=
filled
with
pressure
/3,1- 3should
97;620
46612B4
,9,the
91>5
133;51
beyond
A
.at,,temperatures
1->15.,;5130
1/7:2,the
916limits
4-4,37of=,the
91,transducer.
5.:32;<15?@
medium,
and
all
air
bled
from
the
system
with
particular
-1
24
;-I
.
:
2.
6
6
.
4
5
0
6
1
2=
5
7
-,
9
13
/
3
,
1
-B4
,
9>.
5
,4<;6.5
be1.
added
3second
1<7:2,transducer
5.:32;<15<could
7;620
22123so73surges
;5A13<could
7;620
be1
.
,
,
1
:
,
4
7
:0
1
4
:
A>.
4
2,
7,
9
13
>.
<
10
1
,
B1
1
:,
9
1>
5
133;51
attention
being
paid
to
the
space
between
the
pressure
measured
with
without
-1
.3;512B4
,9.and
:2B4
,97;,,the
913snubber
:;0015.at,,the
913same
.-1 >4
pick—up
and
the
snubber.
Filling
at,6
low
pressure
helps
<
J
H
;
>.
:
2,
9
13
:
;0
0
1
5
?S
4
6
6
4
:
A.
7
B
>
5
1
3
3
;5
19
16>3
,time.
4-1?
bubbles.
Do as3=
follows:
1eliminate
64-4:.,1=foam
7.- .and
:2.air450
;00613?T7.
7667B3U
Needle
Valves.
The1:
needle
Valves
$5.6.4
%CD#
#(#E
F#'G9
112618
.6813.are514in:,the
913sys/3H P(1))VRW>1
4.?
Open
needle
Valves
::
112618
.6813X1,I2,YIZ3,I.and
:2[
,tem
1- =for75<convenience
7:81:41:<14in:3setting
1,,4:A;>I0
;,<care
.51-;3
up, but
must,0
be1
(C)
Close
needle
Valve
3.?
P
\
R]6
7
3
1:
1
1
26
18
.
6
8
1Z
because
a partially
Valve
,taken
.J1:0
1<.;31.>
.5,4.66/<closed
673128
.681<could
7;62.affect
==1<,,the
91 P(cl)^R_5
133;54̀1,the
91.accumulator
<<;-;6.,75,to7,the
91,
13,>5
133;51?
Pressurize
test
pressure.
,test
13,5results.
13;6,3?
Actuate
Valves
pressure
to7
a(e)bR@<
,;.,1,the
913solenoid
761:7428
.6813,to7.apply
>>6/>5
133;51,
the
system
and
start
the
oscilloscope
,
9
13
/
3
,
1
.
:
23
,
.
5
,,
9
17
3
<
4
6
6
7
3
<
7
>
1,
5
.
<
1
?
trace.
Measurement.
The1-1
method
$5.6.5
%$Temperature
#K#""#L#
'"#K#G9
,9727of=,tem1-H
When
results
have
been
and/or
:,the
915
13;6,39.
8101
1:7observed
0315812.
:2e75
perature
measurement
not
is3.
advis>15.,;51-1
.3;51-1:,4is3:
7,4important,
->75,.:,Ibut
0;,4it,4
2843H P(f)cRd91
Valves
drop
1<75212I.actuate
<,;.,1,the
913solenoid
761:7428
.6813,to725
7>,the
913system
/3,1measure
well
.able
061,to7-1
.3;51,the
91=fluid
6;42,temperature,
1->15.,;51I.as3B1
66.as3,the
91 5recorded,
pressure.
133;51?
be1<
certain
.ambient
-041:,,temperature,
1->15.,;51I,to70
15,.4:,that
9.,.all661elements
61-1:,37of= >5
To75
repeat
para.
,the
913system
/3,1- .are51.at,,the
913same
.-1,temperature.
1->15.,;51?
P(g)fRG
1>1.,3start
,.5,.at,>
.5.?5.7(d).
g?Mh2i?
C
M76N
jklmnopqr stuuvswmsrqxsyzxno{|}s~k{oxrmsks€x{q|}o{|s‚}po}xxnƒ„
knxlnk†‡{rok}sz|mswxsz|†xsksrqoƒsz|rxno|sˆorqk‡rsˆnorrx}s{k}ƒx}rsksy~€‚„
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0SNUBBERS
12334506(B40.5)
3789
0 437898888
ASME B40.100-2005
Pressure
Time
GENERAL NOTE: See para. 5.5.3.
Fig.
8 Desirable
Snubber
!Output
"# "
$77$
%&'()*+,- ./001.2(.-,3.453)*678.9&6*3-(.&:.;36,78*67<.=8+*833)>?
@&)3')&AB6-*&8.57(.23.57A3.&:.-,*>.57-3)*7<.C*-,&B-.C)*--38.6&8>38-.&:.49;=? [
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
1SNUBBERS
4431(B40.5)
4567
ASME B40.100-2005
NONMANDATORY
APPENDIX
A
SUPPLEMENTAL
REQUIREMENTS
when
the
!The
"#$following
%&&%'()*+supplementary
,--&#.#)/0121requirements
#3,(1#.#)/+#established
+/04&(+"#5$for%1)naval
060&+shipboard
"(-4%0150applications
--&(70/(%)++shall
"0&&0apply
--&2'"
#)+specified
-#7($(#5(in)/
"#7contract
%)/107/%or1
When
this
-purchase
,17"0+#%order.
15#189"
#)/there
"#1#(is+7conflict
%)$&(7/4between
#/'##)/the
"#+standard
/0)5015:(ASME
;<=>?B40.5)
@A8BC0and)5/this
"(++supplement,
,--&#.#)/D/the
"#1requirements
#3,(1#.#)/+%of$/
"(++supplement
,--&#.#)/
this
MIL-S-2940,
+shall
"0&&/take
0E#-precedence
1#7#5#)7#$for%1#equipment
3,(-.#)/0acquired
73,(1#54by2/
"(++supplement.
,--&#.#)/8!This
"(+5document
%7,.#)/+supersedes
,-#1+#5#+=F
GH<HIJ@AD<Snubbers,
),44#1+DKFluid
&,(5LPressure,
1#++,1#D
FInstrument
)+/1,.#)/LProtection,
1%/#7/(%)D$for%1)new
#'+ship
"(-7construction.
%)+/1,7/(%)8
MN SCOPE
O
Mkmkwrpvswxt
A-1
A-2.2 Materials
uX
YU`RX]SWforZ`Ssnubbers
[\eeU`SXand
[dhguidance
\RdX[VUW
Z`proven
T`Z_U[^X
YUg
Materials
for
mateThis
PQ
RSSspecification
TUVRWRVXYRZ[Ssupplement
\TT]U^U[YVcovers
Z_U`SSshock
QZVa`resistant,
USRSYX[Yb `rials
are
specified
in
paras.
A-2.2.2.1
through
A-2.2.2.6.
R
X
]
SX
`
US
TU
V
R
W
R
U
dR
[T
X
`
X
S
j
|g
}
j
}
j
}
j
~Y
Q
`
Z
\h
Q|g
}
j
}
j
}
jŒj
Uenvironmentally
[_R`Z[^U[YX]]cQX
`dU[UddU
_RVUSYthat
QXYXare`URinstalled
[SYX]]Ud uX
hardened
devices
Y
U
`
R
X
]
W
Z
`fU
Y
Y
U
dT
X
`
Y
SS
Q
X
]
]
e
US
U
]
U
V
Y
U
dW
Z
`]
Z
[
h
g
Y
U
`
^
Material
for
wetted
parts
shall
be
selected
for
long—term
between
pressure-sensing
eUYfUU[Ythe
QUTpressure
`USS\`USsource
Z\`VUXand
[dYthe
QUT
`USS\`UgSU[SR[h Vcompatibility
Z
^T
X
Y
R
e
R
]
R
Y
cfR
Y
QY
Q
US
U
`
_
R
V
UW
]
\R
d‰
S
U
UTX
`
X
j|g

j
}
j
}Š
with
the
service
fluid
(see
para.
A—4.2.2)
used
minimize
Uelement
]U^U[YXand
[dXare`U\S
UdYtoZ^R
[R^RiUYthe
QUUeffect
WWUVYZofWT`
USS\`U Xand
pressure
shall
be
equal
to
or
superior
in
corrosion
resistance
[
dS
Q
X
]
]
e
UU

\X
]
Y
ZZ
`S
\TU
`
R
Z
`R
[V
Z
`
`
Z
S
R
Z
[`
U
S
R
S
Y
X
[
V
U
Ssurges
\`hUSZon[TZ
SRYR_UXand
[d[
UhXYR_UT`
USS\`UgSU[SR[hRinstru[SY`\g YtoZYthat
positive
negative
pressure—sensing
Q
X
Y\S
U
dR
[Y
Q
Ue
Z
dcU

V
U
TYY
Q
X
YV
Z
`
`
Z
S
R
Z
[
g
`
U
S
R
S
Y
X
[
Y
used
in
the
body
except
that
corrosion—resistant
ments.
^U
[YSj
Ssteel
YUU]RisST`
ZQReRYUdW
Z`PType
cTU‰
SUXfX
YU`ŠSsnubbers
[\eeU`SZ
prohibited
for
4 (sea
water)
or`
WforZ`Zoxygen
chU[Xapplications.
TT]RVXYRZ[Sj
A-2
GENERAL
Mk l
A-2.2.1
MkmkmNRecycled,
pq‡qxp–žRecovered,
pqnŸpvp–žnorvEnvironmentally
oŸsvno porwxx‡Prefvp¡M
erable
Materials.
Recycled,
recovered,
or
environmenp
v
w
¢
x
pw
r
p
v
s
w
x
t
m
£U
V
c
V
]
U
db`
U
V
Z
_
U
`
U
dbZ
`U
[
_
R
`
Z
[
^U
[g
A-2.1
MkmNOConnections
noopqrsnot
tally
preferable
materials
should
be used
toZY
the
Y
X
]
]
cT`
U
W
U
`
X
e]
U^X
Y
U
`
R
X
]
SS
QZ\]
deU\S
U
dY
QU
uX
YU`RX]S\used
SUdWforZ`Vconnections
Z[[UVYRZ[SSshall
QX]]e
Z^TXYRe]U ^X
Materials
beUV
compatible
maximum
R^\^ Uextent
YU[YTZ
SSRe]UbT`
Z_RdUdYthat
QXYY
QU^X
YU`RX]
possible,
provided
the
material
with
body
fRYQYthe
QUSspecified
TUVRWRUdSsnubber
[\eeU`e
ZdcVcomposition.
Z^TZSRYRZ[j
meets
the
maintenance
^U
UYSZor`Uexceeds
VUUdSY
QUZoperational
TU`XYRZ[X]Xand
[d^X
R[YU[X[VU
requirements
promotes
U\R̀U^U[YSXand
[dT
`Z^ZYUSUeconomically
VZ[Z^RVX]]cXadvantageous
d_X[YXhUZ\S
A-2.1.1
General
MkmNmNlp
opvwxv
pttyvpz
zxsqwrsnotm{Snubbers
[\eeU`S `
Pressure
Applications.
life
]
R
W
UV
c
V
]
UV
Z
S
Y
S
j
cycle
costs.
used
pressure
beUX
asSS
specified
\S
UdRin[T`
USS\`UXapplications
TT]RVXYRZ[SSshall
QX]]e
TUVRWRUdRin[
paras.
A-2.1.1.1
A-2.1.1.4.
TX`XSj|g
}j~j~j~Ythrough
Q`Z\hQ|g
}j~j~jj
A-2.2.2
materials
MkmkmkSnubber
oy¢¢pv†Body.
n–‡mThe
PQU^X
YU`RX]SWforZ`Vconstruction
Z[SY`\VYRZ[
of
the
bodies
of
snubbers
may
be
selected
Z
W
Y
Q
Ue
Z
dR
U
SZ
W
S
[
\e
e
U
`
S^X
ce
US
U
]
U
V
Y
U
dW
`
Z
^V
Z^TZSRg
from
composiA-2.1.1.1
0-Ring
Union
used
MkmNmNmNM
so€o
snoOConnection.
noopqrsnom{Snubbers
[\eeU`S\S
Ud Ytions
R
Z
[
S|b‘bX
[
d¤j{
[
\e
e
U
`e
Z
dc^X
Y
U
`
R
X
]S
Q
X
]]e
UZofW
A,
B,
and
C.
Snubber
body
material
shall
be
O—ring
union
pressure
WforZ`g
`R[h\[
RZ[T`
USS\`Uhgauge
X\hUXapplications
TT]RVXYRZ[SSshall
QX]]have
QX_U Vcomposition
X
if
other
than
A,
B,
or
C.
Z
^T
Z
S
R
Y
R
Z
[¥R
WZ
Y
Q
U
`Y
Q
X
[|b‘b
Z
`¤j
with
A-1~X
and
A-2.
XV
Z[[UVYRZ[Rin[Xaccordance
VVZ`dX[VUfR
YQ‚Figs.
RhSj|g
[d|g
}jWhen
ƒQU[
a connection
O—ring
Ythe
QUg
`R[h\union
[RZ[RisSSspecified,
TUVRWRUdbUeach
XVQSsnubber
[\eeU`Sshall
QX]]be
eUWfur\`g
A-2.2.2.1
MkmkmkmNOComposition
n zntsrsno
PQU^X
YU`RX]WforZ`VcomposiZ^TZSRg
A.m
The
material
nished
with
a union
O—ring
[RSQUdfR
YQX\[
RZ[[nut,
\YbYtailpiece,
XR]TRUVUbXand
[dg
`R[hXasSSshown
QZf[ Ytion
”A”
shall
be
copper—nickel
alloy
in
accordance
with
R
Z
[¦
|§S
Q
X
]
]
e
UV
Z
T
T
U
`
g
[
R
V
a
U
]
X
]
]
Z
cR
[X
V
V
Z
`
dX
[
VUfR
YQ
A-1~X
and
A-2.
Zon[‚Figs.
RhSj|g
[d|g
}j
ASTM
B 122
ASTM
B 151
may
beU\
used
|{
Pu ‘~
}}Xand
[d|{
Pu ‘~
¨~Xand
[d^X
ce
SUdWforZ`
1 through
4.j
cTUS~Y
Q`Z\hQ
A-2.1.1.2
Type)
MkmNmNmk„Flareless
xwvpxptt(Bite
†srp
‡zpˆOConnection.
noopqrsnom{Snub[\eg PTypes
bers
used
pressure
eU`S\S
UdWforZ`Wflareless
]X`U]USS‰(bite
eRYUYtype)
cTUŠT`
USS\`Uhgauge
X\hUXapplicaTT]RVXg
A-2.2.2.2
material
MkmkmkmkOComposition
n zntsrsno†B.mThe
PQU^X
YU`RX]WforZ`VcomposiZ^TZSRg
UNF-2A
external
threads
on
g
}
|U

Y
U
`
[
X
]Y
Q
`
U
X
dSZ
[
Ytions
RZ[SSshall
QX]]Qhave
X_U‹7/16~ŒRin.[j}20Ž‚
tion
”B"
shall
be
nickel-copper
alloy
in
accordance
with
Y
R
Z
[¦
ԤS
Q
X
]
]
e
U[
R
V
a
U
]
g
V
Z
T
T
U
`X
]
]
Z
cR
[X
V
V
Z
`
dX
[
VUfR
YQ
UNF-2B
internal
g}‘R
[YU`[X] |{
Ythe
QURinlet
[]UYVconnection
Z[[UVYRZ[Xand
[d‹7/16~Œ Rin.[j}20Ž‚
ASTM
B 127,
B 164,
ASTM
564,
may
Pu ‘~
}‹bASTM
|{Pu ‘~
ŒbXand
[d|{
Pu BԬ
Œband
X[d^X
c
with
Ythreads
Q`UXdSZon[Ythe
QUZoutlet
\Y]UYVconnection
Z~[[UVYRZ[Rin[Xaccordance
VVZ`dX[VUfR
YQ be
used
1 through
4.j
eU\S
UdWforZ`PTypes
cTUS~Y
Q`Z\hQ
I 1926,
psiRW
for
{SAE
|’“~
”}ŒbŒ6000
TS
Z`‘1/4Rin.,
[jbYtubing.
\eR[hj
A-2.2.2.3
Mkmkmkm•OComposition
n zntsrsnoOC.mThe
PQU^X
YU`RX]WforZ`VcomposiZ^TZSRg
material
A-2.1.1.3
Transducer
MkmNmNm•Pressure
vpttyvp
vwot–yqpvOConnection.
noopqrsnom{Snub[\eg Ytion
be corrosion—resistant
RZ[¦”C”
¤§Sshall
QX]]eUV
Z``ZSRZ[g`USRSYX[YSsteel
YUU]‰(CRES),
¤£’{Šb
bers
used
pressure
eU‹`S\S
UdWforZ`T`
USS\`UYtransducer
`X[Sd\VU`Xapplications
TT]RVXYRZ~[SSshall
QX]]have
QX_U ¤]
Classes
S31603),
321
XSSUS©304L
ª‰(UNS
Ž{{530403),
©©Šb©316L
~Œª‰(UNS
Ž{{
©~Œ©Šb©
}~
UNF flareless
]X`U]USSYtube
\eUVconnection
Z[[UVYRZ[—[74Rin.,
[jbZoutside
\YSRdU ‰(UNS
Xa 7/16~ŒRin.[j}20Ž‚W
and
may
beU\S
used
Ž{{S32100),
©}~ŠbZor`©
‹‰(UNS
Ž{{S34700)
©‹ŠX
[d^X
ce
Ud
347
diameter
TheUZ
outlet
dR
X^UYU`‰(O.D.)]
j˜jŠ™Zon‹[Ythe
QURinlet
[]UYVconnection.
Z[[UVYRZ[jPQ
\Y]UYVconZ[g WforZ`PTypes
1 through
applications.
cTUS~Y
Q`Z\hQ©3,bUexcept
VUTYZoxygen
chU[X
TT]RVXYRZ[Sj
beU7/16
in.
20
UNF-2A
external
nection
thread
to
R
[
j}
Ž‚
g
}
|
U

Y
U
`
[
X
]Y
Q
`
U
X
dY
Z ƒQU
[UVYRZ[Sshall
QX]]e
Where
do notY`
require
welding,
`UYthe
QUUend
[dVconnections
Z[[UVYRZ[SdZ[Z
U\R`UfU
]dR[hb
~Œ
mate
with
I 1926
port
^X
YUfR
YQYthe
QU{SAE
|’“~
”}ŒRinternal
[YU`[X]Vconnection
Z[[UVYRZ[TZ
`YZofW ¤]
XSSUS©
‰(UNS
Ž{{
©ŠZor`©
~Œ‰(UNS
Ž{{
©~ŒŠXare`UXalso
]SZ
Classes
304
530400)
316
S31600)
pressure
An O—ring
Ythe
QUT`
USS\`UYtransducer.
`X[Sd\VU`j|[g
`R[hSshall
QX]]beeUSsupplied
\TT]RUdZon[ Xacceptable.
VVUTYXe]Uj
Ythe
QUZoutlet
\Y]UYVconnection.
Z[[UVYRZ[j
A-2.2.2.4
X.m
The
material
MkmkmkmšOComposition
n zntsrsno
PQU^X
YU`RX]WforZ`VcomposiZ^TZSRg
isSX
any
material,
metallic
nonmetallic,
A-2.1.1.4
not
used
Other
RZ[¦”X”
¥§R
[c^X
YU`RX]b^U
YX]]RVZor`[
Z[^UYX]]RVb\used
SUd
MkmNmNmšr
›pvOConnections.
noopqrsnotm{Snubbers
[\eeU`S[
ZY\S
UdRin[ Ytion
A
body
not
under
compositions
QUSsnubber
[\eeU`e
Zdc[
ZYcovered
VZ_U`Ud\[
dU`V
Z^TZSRYRZ[S|
Xany
[cZofWYthe
QUXabove
eZ_UXapplications
TT]RVXYRZ[SSshall
QX]]Qhave
X_UVconnections
Z[[UVYRZ[S WforZ`Ythe
data.
C. uX
Material
with
service
Ythrough
Q`Z\hQ¤j
YU`RX]Sshall
QX]]beeUVcompatible
Z^TXYRe]UfR
YQYthe
QUS
U`_RVU
Sspecified
TUVRWRUdRin[Ythe
QUVcontract
Z[Y`XVYZor`Zordering
`dU`R[hdX
YXj
[
‹78œ
«¬­®¯°±²³ µ́¶¶·´¸®³́²¹º́»¹¯°¼½¾´¿¬¼°¹³®´¬ÀÁ́¹¼²½¾°¼½Ấþ±°¾¹¹¯ÄÅ
Ƭ¯¹­¯¬Çȼ³°¬¾´»½®´¸¹´»½Ç¹´¬À³́²°Ä´»½³¹¯°½ẤÉ°³²¬È³́ɯ°³³¹¾´¼¬¾Ä¹¾³́¬Àº́¿ÁÃÅ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0SNUBBERS
12334506(B40.5)
3789
0 437898888
ASME B40.100-2005
211—X—0.003
26TIR
+78
4- 7/16
325—>
<
—>
O—ring
!"#$
See
0.140
2:8_'88g
* —6
—
:
$"
%%&'_ (
groove
-0.000
0.316
25 4
diam.
<_ 0_O70+0.003
detail:
l
l
i8_'88§
0.497
diam.
EF
G=HI?CA
D<=>
0-Ring
Detail
)diam?-00°
*)+0003
0252
0.390
:°_-883
)
)
ii
diam.
0.093:3;gg§
325
max.
0.005
*1
9
R 4-3/16
)*):0.093,
:0.316,
25:0.497,
:0.003
TIR
+78
l ©
0.252,
;<=>?@=ABA?CAD<=>
Tail Piece Detail
deg
*5 $+0*
deg
$$ '4/
+
-5 deg
+,"#
\
nut
-#
%##.'
Union
X
Tail
piece
+(/
0
Threaded end
T
!"#$
O—ring
GENERAL
NOTE:
Dimensions
TU
VUWXYVZ[
U\]^
_`ab^cabdaree`^ina^inches.
afg`bh
)
diam.
32)
21/32
3)1H
*
l0.09oi8;885’
25:0.003
0.000
0-315
diam.
O-Ring
Union
Assembly
EF
G=HI?JH=
KH?LM
MANO>P
*
«o.o;-»o:3.-333
0.005
*1R
0-Ring
Groove
Detail
EF
G=HI?QR
KKSA?CA
D<=>
A-1
0-Ring
Union
iFig.
jklm
no pn
qjrksr
jtruConnection
trrvwxjtr
prolonged
periods
elevated
yz{|}~€‚€ƒ„€|†|€‡ˆ‰Š‹ƒŒ†|Œz|}‡†|y|‚Œ†|€‡ ŽŒzz ¨(h)µª„
€z€‡‘}„
|€} €ofyexposure
²„€{†to€
z£Œ†}†temƒ”
|‡‚z{}}|‡†Ž ‡{ƒŒ|‡‘’„ŒŒ~“”•~•~–—~ peratures
„Œ†{ ’(up
{„†to€¶350°F)
·¸¹—
(1')
to€„
prolonged
periods
ºªexposure
²„€{†
€z€‡‘}‚cycling
¤‚z|‡‘„
|€} yfrom
€ƒŒambiƒ|”
A-2.2.2.5
Nonmetallic
Materials.
Nonmetals
m
n˜l˜l˜l™št
r›vxœjwžœ
xvŸjœl¡€
‡ƒ†Œz shall
ŽŒzz ent‡¨††
to€
elevated
temperatures
z

£
Œ
†

}†

ƒ„


Œ
†
{

ƒ€
|†{Œand
‡}yflame
zŒƒresistant,
|†Œ‡†Šshall
ŽŒzznot
‡€†support
{„„€†fungus
y{‡‘{ “‡
be
moisture
Any
material,
provides
for
a nutrient
medium
¤ƒŒ
†|ŒzŠwhich
¢Ž|‚Ž„
€£|} Œ‡
{†|‡†ƒ
}|{ƒy
€
by
‘growth,
€¢†ŽŠŒand
‡}shall
ŽŒzz‡not€†beŒadversely
}£z¤Œaffected
yy‚†}
¤†the
ŽŒambiƒ|” yfungus
and
insects,
shall
not
be{
used.
{‡
‘
{
Œ
‡
}|
‡

‚
†
Š
Ž
Œ
z
z‡
€
†

}~
perent‡†environments
‡£|€‡ƒ‡†specified
„‚|y|}|in‡†the
Ž‚configuration
€‡y|‘{Œ†|€‡Œand
‡}„
”
A-2.2.2.5.1
0-Ring.
fluorocarbon
mn˜l˜l˜l™lopn
qjrklO-rings
»”|‡‘ shall
ŽŒzzbey
z{€€‚Œ€‡
yformance
€ƒŒ‡‚requirements
¥{|ƒ‡†€ofy†this
Ž|specification.
„‚|y|‚Œ†|€‡~Nonmetals
¡€‡ƒ†Œz rubber
with
AMS 7259,
†Ž¼SAE
“½“¾¼³
•·´Šhardness
ŽŒ}‡ €ofy¿85·†
€´95.·~
to
shall
degrade,
ŽŒzz‡not€†‚chemically
Žƒ|‚Œzz¤react,
Œ‚†Š}
‘Œ}Š€or€outgas
{†‘Œ when
¢Ž‡sub{” {¢|
jected
¦‚†}†to€†the
Žyfollowing:
€zz€¢|‡‘§
A-2.2.2.6
Metal.
a porous
mn˜l˜l˜lÀÁPorous
tŸt žv
xœlSnubbers
¼‡{ with
¢|†ŽŒ„€
€{
metal
configuration)
¨(a)©ªŒair|
ƒ
†Œzcomposition
‚€ƒ„€|†|€‡’(internal
|‡†‡Œzparts
„Œ†Œand
‡}‚
€‡y|‘{Œ†|€‡—are
Œ
prohibited
4)—
for
gas
(Type
3)
or
for
sea
water
(Type
„
€
Ž
|

|
†

}y
€
‘
Œ
’
Ã
¤
„¶
—€
y
€


Œ¢Œ
†

’
Ã
¤
„–
distilled
water
¨(la)«ª}|
†|zz}¢Œ
†
service.
When
used
for
oil
or
water
(Types
1
and
2)—


£
|
‚

~Ď

‡{

}y
€
€
|
z€
¢Œ
†

’
Ã
¤
„
±Œ
‡
}•
water
¨(C)¬ªseaŒ¢Œ
†
service,
snubbers
with
porous
metal
compositions
shall


£
|
‚

Š
‡
{



¢|
†
Ž„
€

€
{
ƒ
†
Œ
z
‚
€
ƒ„
€
|
†
|
€
‡
Ž
Œ
zz
¨(d)­ªsalt
Œz†
only
be
employed
in
systems
with
particulate
contami€
‡
z
¤

ƒ„
z
€
¤

}|
‡
¤
†

ƒ
¢|
†
Ž„
Œ

†
|
‚
{z
Œ
†
‚
€
‡
†
Œ
ƒ|
”
petroleum—
¨(6)®ª„
†€z{ƒ”Œand
‡}silicone—based
|z|‚€‡”Œ}€oils|z
nants
less
than
25
microns
in
size.
‡Œ‡† z †ŽŒ‡•·ƒ|‚€‡ |‡ |ō~
¨(f)¯ª€oil|zsolvents
€z£‡†
Thez
prolonged
1 month)
periods
length
the
¨(g)°ª„
€z€‡‘}’(greater
‘Œ††than
ŽŒ‡±ƒ€
‡†Ž—„
|€} €ofyexpo²„€” A-2.2.3
mn˜l˜lÆÇSnubber
rÂÈÈvŸÉBody
tÊËÇSize.
jÌvlÎ
‡‘†Ž€ofy†
ŽŒassemƒ”
sure
bled
body
4 in.
The
body
{†to€Œambient
ƒ|‡††temperatures
ƒ„Œ†{
z}snubber
‡{
€}¤shall
ŽŒzznot
‡€†exceed
²‚}–|
‡~Î
€}¤shall
ŽŒzz
fluid. For composition ”X,” material identification shall
be included in the snubber marking (see para. A-2.2.4).
³´
American
Mechanical
Engineers.
Copyright
ÍÎ
ÏÐÑÒÓÔÕ©Ö×2006
ØØÙÖÚbyÐÖthe
ÕÔÛÖÜÝÛ
ÑÒÞßàÖáSociety
ÎÞÒÛÕÐÖÎofâÖãÛ
ÞÔßàÒÞßäÖåà
ÓÒàÛÛÑæç 39¢
No
material
ASME.
èÎÑreproduction
ÛÏÑÎéêÞÕÒÎàÖmay
ÝßÐÖÚbeÛÖmade
ÝßéÛÖÎofâÖÕthis
ÔÒæÖÝß
ÕÛÑÒßäÖwithout
ëÒÕÔÎêÕÖwritten
ëÑÒÕÕÛàÖÞconsent
ÎàæÛàÕÖÎofâÖÜá
ãåç 53'
01234567866966
1SNUBBERS
4431(B40.5)
4567
ASME B40.100-2005
Minimum
1
*2&effective
33&456&
5
07&87/32
($_> —>
thread
1/32
($)X 45"&
'
deg
V
<\
15"&
9:5
&ends
*;
deg'
both0
(0&)
4? 11/16 hex é}
/'
"
T 0.005 R--%|
%9/15
(in.*18+,#/
UNF—3B
!
%"i8_'88§
#$
0.395
diam.
_t
_V
#O#
TIR
%"0.003
©
0.395
J_—x— 0.003 TIR
!
<— 0.100
i8_'888
#"
#O#
8(
Union
IDG
JDBKLF
E?
F@GH
Nut B
Detail
€— 7/16 —>
M%N
45"
deg'
deg'
&
*5"&
0.083
!#+8-835’
"
diam__
%!#
o.o93:8;88§
0.015
"R
© 0.484 & 0.093 diam., 0.003 TIR
%9/15in.
(*18+,#.
UNF—3A
—
L! —
—
!
!
i8_'88§
#$_
Hi8_-835’
#"
0.484
diam.
0.016
diam.
11/32:o.015
($"
&
1/15
deg'*5"
deg'
()X45"&
0.484
diam.
TIR
0.003
J. Threaded
End E?
Detail
<=>
?@A?ABCDAB
F@GH
GENERAL
NOTE:
Dimensions
PQ
RQSTURVW
QXYZ
[\]^Z_]^`area\Zin]Zinches.
]bc\^d
+
‘
A-2
O-Ring
Union
Nut/Threaded
Detail
eFig.
fghi
jk lj
mfngon
fpnqr
stuvwxyzxz{End
nz|x
syf}
~80
€‚ƒ„†‡ˆ ‰Š‹‹Œ‰ƒ‰ˆ‡Ž‰Ž„‘’“‰”‘Žˆƒ‰•‰–Ž‘‡’“‘’—‰˜“†“ŽŽ„™š
›„Ž‚„œ‘ˆ“‰’ƒ‰Ž‰’œŽ‰•‰ˆ‡™‰’ˆŽ„’—‰žˆ‡ˆ‰ž„ˆˆŽ“‰‘“™Ž“ˆ‰•‰”–˜š 93¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0SNUBBERS
12334506(B40.5)
3789
0 437898888
ASME B40.100-2005
cross—sections
of sufficient
! "
#to
k2[RV,
-P tu
2R5q5Wcation
2X5S62and
6_^Conformance
S6qS3v26WV
have
hexagonal
widths
Table
A-1
Qualifi
allow
"the
!useof "
#
$
%
j
6
n
o
V
W
X
5
S
6
n
a wrench for installing and removing.
Inspections
The#
distance
&
across
the
flats
shall
notexceed
#'1.25
%()in.%
wx
yz{|{}y~{€ Conformance
€|‚ƒy€}„
Qualification
The$
maximum
&
$!$ #
$of the
snubber
!***
#+shall
diameter
body
not
€†‡„}~{€
€†‡„}~{€
€†‡„}~{€
Inspection
Inspection
Inspection
exceed
#(
%
2 in.
‰Š‹ŒŠŽŒ


A-2.2.4
Marking.
Each
be metal
,././0 12
34567/8
snubber
!**shall
*$
ˆ‘Steady
X
Ž’Š“”•state
ŽŠŽ’Ž
–Š•‹Œ••Œ

—. —. —.
transmission
stamped
$9#"
the
following:
":
with
˜Š‹™’Œš


’‹™’–ŠŽœ–’

———
;(at)<=the
$
$!$ working
">9
!?followed
"#*
+the
›Vibration
maximum
pressure,
by
X
Œž–ŠŽŒ
———
abbreviation
**@”psi”
9AB(e.g.,
%%?C6,000
?DDD9
E
psi)
X
‘
Ÿ

¡
———
Shock
Part
para.
;(b)F=G
HIdentifying
#+I!$*
B(see
9
%A-4.2)
JK%(E
Number
X
¢
–
’
•
•
œ
–
’Œ

Ž
’
š
–
Œ
Ž
”

———
Pressure
integrity
;(C)L=$
!!Mstamp
$9ortrademark
#$>
manufacturer's
material
used)
;(d)N=$
type
+9B(ifcomposition
$9@”X”
OAis!
#E
A-2.2.4.1
Direction.
,././0/PQFlow
RSTU5
3VWX5S6/&#
of flow
" A-3.1.1
The direction
Allitems
,-]/P/PiResponsibility
VnoS6n5[5R5XpqforS3^Compliance.
SvoR526WV/J
$shall
through
!the
snubber
!**shall
be*indicated
##*
+anarrow
""
$
by
with
and
A-3.
The
r
!
$
J
(
#J
\
%&
meet
the
requirements
of
sections
A-2
word
point
The
arrow
the
"
#@”sensor”
Aatthe
9
of the
arrow.
"%&
" inspection
set
forth
in
this
specification
shall
become
a
9
9
*
$
marked
shall
be
*raised
#from
$the
surface
!B(0.010
D%D'Din.%min.)
$%Eor$
># 9of the
manufacturer
inspection
system
$
!!M’soverall
9
+$ or
into
the
surface
!in9
$$
and
#tothe
extent
part
a permanent
manner
quality
r
!
+9
$%
&
*
+
9
r!
program.
The
absence
of
any
inspection
requirebe
easily
by
human
The
that
itcan
*
+identified
##*
+
!$touch.
!%&
$
9
$
!
ments
in
this
specification
shall
not
relieve
the
manufacword
"
#@”sensor”
Ashall
be
*$
stamped
$9#orotherwise
"9
turer
metal
perof
the
responsibility
of
assuring
that
all
products
!
9
*
+
!
9
#!
$
+$
>#%
manently
marked.
!
99
!*
$
#
$
9
or
supplies
submitted
to
the
government
for
acceptance
A-2.2.4.2
Warning
3 snubbers
,
-././0/.Y2
36567ZLabel.
2[VR/&Type
+9\
!**shall
comply
$9
+"
r
!
$
%
a
$9
with
all
requirements
of the
contract.
Sampling
have
a warning
"
label
*included
!##onits9
$+9
> inspection,
primary
pack
as9
part
of the
manufacturing
operations,
is
9
?
$
!
!
9
?
$
>#@”oxygen"
+Aor@”dry
#+
Aservice,
?asapplica99 anacceptable
marked
nitrogen"
practice
to
ascertain
conformance
to
9
*
9
$
ble
use
when
*forthe
system
+$ !
"
cleaned
#forthese
applica99 requirements,
r!$?however,
"?this
#
authorize
!£submis!*$
does
not
tions.
%
defective
material,
or
sion
of >known
"#
$
?either
indicated
##
actual,
nor
does
it
commit
the
buyer
to
accept
defective
!
?
#
$$
*
!+
9
#
A-2.3
,
-./]^Cleaning
RV265672and
6_`Packaging
2W427567
material.
$
%
molded
parts,
aSurfaces
!of castings,
?forgings,
?$
##9
?stamp$9
machined,
ings,
?$
#?and
#"
##9
shall
be
*free
of #
A-3.2
welded
parts
defects
,-]/.^Classifi
R2nn5q5Wcation
2X5S6SofqjInspections
6noVWX5S6n
porosity,
undercuts,
voids,
such
!ascracks,
>?9
+?!
#!?
#?and
#gaps
9as A-3.2.1
Qualification
,-]/./P tu
2R5q5W2X5S6jInspection.
6noVWX5S6/Qualification
¤!
well
dirt,
"
assand,
#?#
?fins,
?sharp
9edges,
#?scale,
?flux,
!?and
#other
inspection
9
$
#
speci9
shall
consist
of
examination
and
tests
harmful
materials.
External
$ !orextraneous
!$
%8
surfaces
!shall
fied
in
Table
A-1
and
shall
be
performed
and
passed
#
&
*
J
'
#
*
9
$
#
#9
#
be
beveled.
*smooth
$and
#edges
#shall
be
*either
rounded
!##or*
#% prior
to
production.
Qualification
inspection
shall
be
9
9
#
!
%¤!
9
*
There
be
no
warpage
dimensional
&
shall
*
"
9or#
$change
#due
! performed
9
$
#
$9
*
9
#
!
#"
on
samples
that
have
been
produced
with
heat
welding
There
damto
from
$"
#operations.
9%&
shall
be*no#
$ equipment
and
procedures
normally
used
in
production.
r
!
9
$
#9
#
!
$
+!
#
9
#
!
%
welding.
parts
Unless
age
toadjacent
#b9
resulting
! from
$ "
#%c
drying,
unit
protection,
special
9cleaning,
?#
+?!
9
?and
#intermedi$#
,-]/./P/P¥Sample
2voRV¥Size.
5¦V/&Two
"snubber
!**samples
$9of
A-3.2.1.1
packaging
ate9
>arespecified,
9#?the
snubber
!**shall
be*cleaned,
#? each
type,
class,
and
composition
shall
be
subjected
to
+
9
?
?
#
$9
*
!*
b#
with
#
#?and
#*
#"
*
accordance
#"
the
dried,
bagged
with
boxing
in
qualification
inspection.
r
!
9
%
ASTM
D 3951.
Ja
&d e\
f)'%
A-3.2.2
,-]/./. ^Conformance
S6qS3v26WVjInspection.
6noVWX5S6/Conformance
§$
inspection
shall
be9
performed
at
the
place
of manufac
9
*
$
#
9
$!
A-3
,
-] VERIFICATION
ghijQj^,kjlm
ture.
!%Conformance
§$inspection
9shall
consist
of the
exami$
nation
and
tests
specified
in
Table
A-1
and
shall
be
#
9
#
&
*
J
'
#
*
A-3.1
,
-]/PiResponsibility
VnoS6n5[5R5XpqforS3jInspection
6noVWX5S6
performed
on
samples
selected
from
each
lot.
9
$
#
$9
#
$
%
Unless
purchase
c
otherwise
"specified
9#inthe
contract
or9
!
A-3.2.2.1
of
,-]/././PZLot.
SX/AJlotshall
consist
of allsnubbers
!**
manufacturer
performorder,
#?the
$
!!isresponsible
9*forthe
9
$
and
end
connection
same
$type,
+9?class,
?composition,
$9?
#
#
herein.
requirements
ance
of allinspection
9
r!$asspecified
9#
% the
manufactured
time.
!!#atone
$%
Except
8
9asotherwise
"specified
9#inthe
contractor
purchase
9! $
manufacturer
may
use
his
order,
#?the
$
!!$
+!
own
"orany
+other
A-3.2.2.2
be
in
,-]/././.¥Sampling.
2voR567/Sample
a$9selection
shall
*
facilities
performance
inspection
suitable
!*forthe
9
$of the
9 accordance
ANSI/ASQC
Z1.4,
inspection
level
I,?
with
#
"
JIa
H
¨Ja
¤§©'
%
K
?
9
H
herein,
disapproved
by
requirements
r!$specified
9#
?!unless
#
99#*
+ acceptable
9*rquality
!+level
B(AQL);
J¤ªE«'11/2%
¬­ nonconformities
$
buyer.
The*
buyer
perform
the
*
!+%&
!+reserves
the
right
to9
$ any
+ apply.
9
9
+
%
where
of the
inspections
9setforth
inthe
standard
##"
such
!
A-3.2.2.3
TheJ¤ª
AQL for
nonNonconformity.
deemed
inspections
9are#
$#necessary
+toassure
!supplies
!99and
#
,-]/././]mS
6WS6qS3v5Xp/&
each
is
as
shown
in
A-2.
prescribed
services
conform
$ to9
*#requirements.
r!$%
conformity
$+
"
&Table
*J
(%
[
s81'
Examination
X
X
Dampening
Temperature
X
X
X
®¯°±²³́µ¶ ·¸¹¹º·»±·¶µ¼·½¾¼²³¿ÀÁ·Â¯¿³¼¶±·¯Ã·Ä¼¿µÀÁ³¿ÀÅ·ÆÁ´³Á¼¼²ÇÈ
ɯ²¼°²¯ÊË¿¶³̄Á·¾À±·»¼·¾Àʼ·¯Ã·¶µ³Ç·¾À¶¼²³Àŷ̳¶µ¯Ë¶·Ì²³¶¶¼Á·¿¯ÁǼÁ¶·¯Ã·½ÂÄÆÈ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
1SNUBBERS
4431(B40.5)
4567
ASME B40.100-2005
%Categories
&'()*+,(%Critical
+,',/&4
51
P2
Major
2&
R*+
5101K5
5102
KP
5103
KV
5104
KW
Minor
2,
.*+
P202
KP
P203
KV
P204
KW
Nonconformities
AQL
for
!"#"$
Table A-2
*./*.0*+1,',(-
Nonconformities
023
AQL
6Evidence
789:;<:=that
>?=@snubbers
;ABB:C@DforECEoxygen
FGH:;@service
:C78<:?areC:;notE=<cleaned,
I:?;:9J
marked,
8improperly
LMCEM:CIGL?
CN:9JEorC8improperly
LMCEM:CIGMpackaged.
?<N?H:9O
meet
QSnubber
;ABB:C9does
E:@;notE=L:
:==the
>:Mpressure
C:@@AC:8integrity.
;=:HC8=GO
K0
K0
material.
6Evidence
789:;<:EofDAunauthorized
;?A=>EC8S:9L?
=:C8?IO
tolerances
TInspection
;@M:<=8E;@systems
G@=:L@?areC:;notE=Mprovided,
CE789:9J9dimensional
8L:;@8E;?I=
EI:C?;<:@
maintained,
mounting
;notE=L?
8;=?8;:9JLE
A;=8;H9dimensions
8L:;@8E;@;notE=8interchangeable,
;=:C<>?;H:?BI:J
wrong
Mpressure
C:@@AC:<connection
E;;:<=8E;UC
E;H9design,
:@8H;JEorC9dimensions
8L:;@8E;@:erroneous.
CCE;:EA@O
meet
QSnubber
;ABB:C9does
E:@;notE=L:
:=@steady
=:?9G@state
=?=:=transmission
C?;@L8@@8E;EorC
9dampening.
?LM:;8;HO
Markings
X?
CN8;H@;notE=Mprovided
CE789:9EorC:erroneous;
CCE;:EA@YMpart
?C=;number
ALB:C;notE=Mprovided.
CE789:9O
K0
K0
K0
K0
6Evidence
789:;<:=that
>?=@snubber
;ABB:CDforEC;nonoxygen
E;EFGH:;@service
:C78<:?areC:;notE=<cleaned.
I:?;:9O
[Finish
8;8@>;non-conforming,
E;\<E;DECL8;HJ@scratched,
<C?=<>:9J<chipped;
>8MM:9YBburrs
ACC@;notE=Cremoved.
:LE7:9O
]Cleaning,
I:?;8;HJ9drying,
CG8;HJMpreservation,
C:@:C7?=8E;JMpackaging,
?<N?H8;HJEorCMpacking.
?<N8;HO
511/25ZP
W4
W4
A-3.2.3
Acceptance
bej
2%
full
Signals
^__^
`#aCriteria.
"#"_bIfcdany
efgsnubber
ehiijkgsample
dlmnj kresolution
jgqnhpoqegshall
rdnni
‘qorknless
jggqofcc
hnngscale.
sdnj|’
o†edngcfrom
kql
meet
A-1,
cfails
dongptoqlj
jppthe
rjoinspection
egmjspoqekrequirements
jthokjljepgqofcuTable
dinjvw
xy both
the
test
and
monitoring
transducers
shall
bej
iqprprjpjgpdezlqeopqkoe†pkdegzhsjkggrdnni
eqgsnubbers
ehiijkggshall
rdnni
ssjmpjzhe
ponpthe
rjld
ehcdsphkjk krecorded
no
bejd
accepted
until
manufacturer
With
the
jsqkzjzgsimultaneously
olhnpdejqhgnf“(see
gjjmd
kd|vw
”|•|–|—o
prp
rj
para.
A—3.5.2).
determined
defect
has
rhasdgzj
pjkloejzpthe
rjscause
dhgjqofcpthe
rjzj
cjspdand
ezr
dgptaken
d{je jexception
dampening
test,
requires
use
€sjmpoqeqofcthe
prjzd
lmjeoe†p
jgpywhich
~rosrk
jthokjgpthe
rjh
gj
defect
pthe
rjenecessary
jsjggdkfdaction
spoqeptoqscorrect
qkkjspqorkjeliminate
noloedpjpthe
rjzj
cjsp qofcmk
pressure
may
bejlq
monitored
jgghkjptransducers,
kdegzhsjkgyall
dnnqother
prjkptests
jgpgld
fi
eopqkjz
Thejc
failed
bej ~o
cfrom
kql jeach
dsrgsnubber
ehiijkoinepthe
rjnlot.
qp|ur
donjzptest
jgpgshall
rdnni
prjeither
oprjkdmk
jgghkjptransducer
kdegzhsjkqorkdmk
jgghkj†gauge
dh†j
with
a pressure
a pressure
will
krepeated
jmjdpjzptoqzj
lqegpkdpjpthat
rdppthe
rjscorrective
qkkjspo}jdaction
spoqe~o
nn qofcgsuitable
demonstrate
range
which
have
hopdinjk
de†j~r
osrgshall
rdnnr
d}jdaccuracies
sshkdsojgqofcx1%‘ qofc
jenable
edinjpthe
rjgsnubbers
ehiijkgptoqsconform
qecqkl ptoqpthe
rjkrequirements
jthokjljepgqofc gspan
mdeqorki
jppjkd
ezgshall
rdnnr
d}jdaneqoverpressure
}jkmkjgghkjk
dpoe†q
better
and
have
rating
ofc
previous
pthis
roggspecification.
mjsocosdpoqe|bInedaddition,
zzopoqeypthe
rjkresults
jghnpgqofcmk
j}oqhg datpnleast
To
maintain
sufficient
125%
ofchmm
upper
range
value.
j
d
g
p
x

•
‘q
j
k
k
d
e
†
j}
d
n
hj
|
u
qld
o
e
p
d
o
eg
hc
c
o
s
o
j
ep
ptests
jgpgld
fi
jzj
jljzoinvalid,
e}dnozyhe
njggpthe
rjld
ehcdsphkjk daccuracy,
may
be
deemed
unless
manufacturer
the
maximum
upper
range
limit
for
any
press
s
h
k
d
s
f
y
p
r
jld
€
o
lhlhm
m
j
kk
d
e
†
jn
o
lo
pc
q
kd
e
fm
k
j
gw
prove
buyer
scan
demk
q}jptoqpthe
rjgsatisfaction
dpogcdspoqeqofcpthe
rji
hfjkpthat
rdpgsuch
hsrptest
jgp gsure
h
k
jp
k
d
e
g
z
hs
j
kq
j
g
g
h
k
j†
d
h†
jg
r
d
n
n
e
q
p
j
€
s
j
j
zp
~o
s
j
transducer
orkmk
pressure
gauge
shall
not
exceed
twice
would
notpi
bejd
adversely
by
~qhnzeq
z}jkgjnfoimpacted
lmdspjzi
fpthe
rjscorrective
qkkjspo}j pthe
maximum
pressure
expected
in
any
test.
In
addition,
r
jld
€
o
lhlm
k
j
g
g
hk
jj
€
mj
s
p
j
zo
ed
e
fp
j
g
p
|
b
ed
zzo
p
o
q
e
y
daction.
spoqe|
scontrols
qepkqngqcp
rjgstorage
pqkd†jqg
sonnqgsqmjyq
gsonnq†kdmros
of the
oscilloscope,
oscillographic
krecorder,
jsqkzjkyqorkqother
prjkzd
pddacquisition
sthogopoqegsystem
fgpjlgshould
rqhnzi
jp
data
bejg
set
^_^
$#aConditions
"#"$
A-3.3
Test
that
ofcc
full
rdpkrecorded
jsqkzjzgsignals
o†edngdarekjdatpnleast
jdgp50%
•Ž‘q
hnngscale.
sdnj|Except
‡€sjmp
uTest
jgpsconditions
qezopoqeggshall
rdnnbe
ijdasggspecified
mjsocojzoinepthe
rjdapplicable
mmnosdinj p
for
the
dampening
tests
that
require
a specific
fill
c
q
kp
r
jzd
lmj
e
o
e
†p
j
g
p
gp
r
d
pk
j
t
ho
k
jdg
mj
s
o
c
o
sc
o
n
nfluid,
cnhozy
procedures.
jexaminations
€dloedpoqegdand
ezptest
jgpmk
qsjzhkjg|
fill
fluid.
may
water
pthe
rjqothers
prjkgld
fjemploy
lmnqfcfresh
kjgr~d
pjkdasgpthe
rjc
onnc
nhoz|bIfc
water
used
the
temperature
cfresh
kjgr~d
pjkoisghg
jzdasgp
rjcfillonncfluid
nhozcforqkpthe
rjp
jlmjkdphkj
A-3.4
General
^_‚
ƒExamination
„!"#"
test,
provision
should
bejld
made
toqj
employ
a suitable
p
j
g
p
ymk
q
}
o
g
o
q
eg
r
q
hn
zi
zjp
lm
n
q
fdg
hopdinj
Thejg
snubbers
a thorough
ur
ehiijkggshall
rdnnbeijgsubjected
hijspjzptoqdp
rqkqh†rjexami€dlow dadditive
As
applicable,
to
prevent
freezing.
the
snubber
zzo
p
o
}
jp
qm
k
j
}
j
e
p
c
k
j
j
˜
o
e
†
|
vgd
m
m
n
o
s
d
i
n
j
y
p
r
jg
e
hiijk
nation
material,
workmanedpoqeptoqdascertain
gsjkpdoepthat
rdppthe
rjld
pjkodnycfinish,
oeogry~q
k{ldew gshould
bejp
thoroughly
cleaned
prior
toqs
conducting
the
r
q
hn
zi
r
q
k
q
h†
r
n
fs
n
j
d
e
j
zmk
o
q
kp
q
e
z
hs
p
o
e
†p
rj
marking
dimensions,
gship,
romysconstruction,
qegpkhspoqeydassembly,
ggjlinfyzo
ljegoqegydand
ezld
k{oe† zd
dampening
test.
Thejc
fill
fluids
for
the
dampening
tests
lm
j
e
o
e
†p
j
g
p
|
ur
o
n
nc
n
ho
zgc
q
kp
r
jzd
lmj
e
o
e
†p
j
g
pg
with
darekjoinesconformance
qecqkldesj~o
prpthe
rjkrequirements
jthokjljepgqofcpthis
roggspecifimjsocow gshall
bejd
asgc
follows:
r
d
n
ni
q
n
n
q
~g
™
Examinations
bejn
limited
disassembling
scation.
dpoqe|‡€
dloedpoqeggshall
rdnni
olopjzptoqzo
gdggjlinoe† š(a)›œc
for
Type
qku
fmjx1,y2190-TEP
xŽwu‡žqoilonqorkjequivalent
tho}dnjep
performance,
pthe
rjgsnubbers
ehiijkgptoqpthe
rjjextent
€pjeppthat
rdppthe
rjmj
kcqkldesjyzdurabilhkdionw š(17)Ÿœc
for
Types
2
and
4,
fresh
water
q
ku
f
m
j
gd
e
z
y
c
k
j
g
r~d
p
j
k
would
not
bejd
affected.
oity,
pfyqorkdappearance
mmjdkdesj~q
hnze
qpi
ccjspjz|
3,yd
air
nitrogen
for
Type
š(C)¡œc
qku
fmj”
okqorke
opkq†je
A-3.5
Test
^_ˆ
$#‰Procedures
Š$and
‹Requirements
ŒŠ"!#$
indicated,
pressure
¢e
njggqotherwise
prjk~ogjo
ezosdpjzypthe
rjm
kjgghkjptransducer
kdegzhsjk
Unless
pressure
jgghkj†gauge
dh†jgshall
rdnnbeijsconnected
qeejspjzptoqptherjqoutput
hpmhpgside
ozj
bejs
conducted
described
below.
uTests
jgpggshall
rdnni
qezhspjzdasgzj
gskoijzi
jnq~|Forqkpthe
rj qorkmk
with
fitting
between
rjgsnubber
ehiijk~o
prqonly
enfdanedadapter
zdmpjkc
oppoe†i
jp~jje
dampening
zd
lmjeoe†ptest,
jgpydg
pqkd†jqoscilloscope,
gsonnqgsqmjyqoscillographic
gsonnq†kdmros qofcpthe
a storage
Except
where
isgd}
a variable,
test
rjl|‡€
sjmp~r
jkjptemperature
jlmjkdphkjo
dkodinjypthe
rjp
jgp
data
with
a frekrecorder,
jsqkzjkyqorkqother
prjkzd
pddacquisition
sthogopoqegsystem
fgpjl ~o
prdc
kjw pthem.
bejs
conducted
roggspecification
mjsocosdpoqegshall
rdnni
qezhspjzdatpdanedambient
liojep
deflectquency
hjesfkresponse
jgmqegjgsufficient
hccosojepptoqkresolve
jgqn}jcfull
hnngscale
sdnjzj
cnjsw oinepthis
milliseconds
used.
:r10°F.
jlmjkdphkjqofc£75°F
•¤¥x
Ž¤|
ptions
oqegoinex10Žlo
nnogjsqezgqorknless
jgggshall
rdnnbe
ijhg
jz|bInput
emhpgsignal
o†edn ptemperature
[
82
¦§¨©ª«¬­® °̄±±²³̄©¯®­´µ̄¶´ª«·¸¹º̄§·«´®©¯§»¯¼´·­¸¹«·¸½¯¾¹¬«¹´´ª¿À
Á§ª´¨ª§Â÷®«§¹¯¶¸©³̄´¯¶¸Â´¯§»¯®­«¿¯¶¸®´ª«¸½Ǟ«®­§Ã®Ǟª«®®´¹¯·§¹¿´¹®¯§»µ̄º¼¾À
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0SNUBBERS
12334506(B40.5)
3789
0 437898888
ASME B40.100-2005
0Sn%&ubber
''()*Class
+,-6(See
0((7Para.
,),9A-4.2.3)
7998
9L
AH
Table
!!"#Pressures
$
A-3
Steady-State
Transmission
./
(),01%25Range
,%2(2/
/()3Limit,
14105
Operating
Upper
/psi-1
:10/1000
;<:;;;
:1001/6000
;;:<B;;;
6(-07)(--&)(-5
/pSl-1
:10,;=>250,
?;=?500,
;;=@750,
?;=:1000
;;;
:1200,
>;;=>2400,
C;;=D3600,
B;;=C4800,
E;;=B6000
;;;
Test Pressures,
HI
T1
V1
FI
><
Mp
i;
KS
V2
FJ
NR % l I
V1 —
Reservoirfillvalve
FI
O NP
QPRSTURVWUXXVSYXSP
V2 —
Quick-opening
FJ
O
Z[U
\]^T_P`U`aVSvalve
YXSP
V3 —
Fluid
fill
valve
FL
O
b
X
[U
cV
W
U
X
X
V
S
Y
X
S
P
V4 —
Vent
FG
O FP
`dVSvalve
YXSP
Reservoir
pressure
monitor
MP ——O NP
QPRSTURV_R
PQQ[RPVeT`U
dTR
High-pressure
monitor
NR —O fU
ag^_RPQQ[RPVeT`U
dTR
Pressure
KS O MR
PQQ[RPVQsnubber
`[hhPR
T1 —
Test
transducer
HI
O
H
P
Q
d
V
d
R
Y
`Q
c[\
PR
T2 —
Monitortransducer
HJ
O iT`U
dTRVdRY`Qc[\PR
V4
FG
FL
V3
HJ
T2
Dampening
Test
Up
jFig.
!klA-3
Suggested
$kkm
n!k
Seton
A-3.5.1
A reference
meaReach
ofuits
pressure
lplqSteady-State
Transmission.
!!"lrs
tutstvwtxt
yz (b)£Ÿ¤t
yw~yat}least
ty{}90%
¥’¡ƒ
}{ufinal
vy{steady-state
}ty„z{}y}t‚s
t{{|st
betxy
made
a pressure
not
more
2.5
the
pressure
{surement
|stxtv}{shall
~y€
ttemploying
x‚ƒ„v†teither
}~tsy‚s
t{{|st invv
ƒ}xƒ
st}than
~yv
‰—{sectwyafter
u}tsinitiation
v}y}ƒvƒofu}
~t‚s
t{{|st
}transducer,
syv{|wts‡ƒors‚s
t{{|st†gauge,
y|†t‡both
€ƒ}~ˆ
}~yand
vˆwithout
}~ƒ|}ya {step
}t‚yas{indicated
vwy}t€
„}the
~txƒ
v}ƒsv†}transducer.
syv{|wts‰
pressure
with
by
monitoring
Thets
reference
measurement
made
both
{snubber.
v|€€ts‰Š~
tutstvwtxt
y{|stxtv}{shall
~ybe€txy
t€
ƒ}~
A-3.5.2.1
procedure,
lpllq#Procedure.
"¦$lThe
Š~tufollowing
ƒƒˆ v†‚s
ƒwt|st‡
upscale
down
pressures
|‚
{wytyand
vƒ
ˆv{scale
wytyat}}the
~t}test
t{}‚s
t{{|st{uforƒs}the
~t yapplicable
toƒ‘
Fig.
A-3,
may
bet|{
used
toƒ‚t
perform
the
damp‚
‚

w
y
€

t}
†
‰
rz
Ž
‡
xy
„€
t
}
s
u
ƒ
s
x}
~
ty
x‚z
A-3.
yapplicable
‚‚wy€twclass
y{{‹(see
{tt‚y
sy‰rz
Œ‰‰Žyas{{shown
~ƒˆvinvŠTable
y€trz
Ž‰ tening
para.
A—4.2.3)
v
v
†}
t
{
}
œ
test:
Thet
difference
Š~
uutstvwtinvindicated
vwy}tƒoutput
|}‚|}with
ˆ }~yand
vˆwithout
}~ƒ|}}the
~t (oz)žŸ§v
Ensure
V2 and
V4 are
closed
that
V3
{|st}that
~y}¨y
v¨Œy
stw
ƒ{tyand
v}
~y}¨Ž
under
betˆ
within
{snubber
v|€€ts|v
ts}test
t{}{shall
~y€
}~v}the
~tyaccuracy
ww|syw„limits
x }{ is{ƒ
‚t
v
‰
open.
ƒofu}the
~t‚pressure
st{{|stinstrumentation
v{}s|xtv}y}ƒvtemployed.
x‚ƒ„t‰
Utilizing
V3,‡introduce
fill
(1))£Ÿ©}
ªv†¨Ž
v}sƒ|wt}the
~tu
fluid,
u|‡yas{yapplicable
‚‚wy€t
A-3.5.2
Dampening.
Thety
dampening
lplm
n!klŠ~
x‚tvv†}test
t{}{shall
~ybe
€twconƒvz inv}
the
monitoring
transducer
legs.
Loosen
the
~txƒ
v}ƒsv†yand
v}test
t{}}
syv{|wts
t†{‰–ƒ
ƒ{tv}
~t
using
T2 toƒt
ensure
a complete
fill.
}}v†{yat}T1
Š”yand
vŠ}
v{|styw
ƒx‚t}tu
‰Tighten
Š†~}tvyall
ducted
|w}t|{
v†yanvyapparatus
‚‚ysy}|{{similar
x ys}toƒ}that
~y}{shown
~ƒˆvƒonv ufittings
A-3.
A step
syv{|wtsufittings
}}v†{yand
vw
ƒ{t¨Žy
u}ts}
~tu
procedure
‚sƒwt|stis{
‘Fig.†‰rz
Ž‰r{
}t‚wchange
~yv†t{shall
~ybe
€txy
tufrom
sƒxyatmospheric
}xƒ{‚~tsw }transducer
made
close
V3 after
the
fill
pressure
psi “”
:10’‚
psi
Class
L snubbers
‚s
t{{|st}toƒ200’’‚{
{ uforƒs•
y{{–{
v|€€ts{yand
v wcomplete.
ƒx‚t}t‰
pressure
1100
psi u
for
Class
ufrom
sƒxyatmospheric
}xƒ{‚~tsw‚s
t{{|st}toƒ”1,500
‡—’’‚psi{“”
’’‚{
ƒs•
y{{ (C)«Ÿ©}
Utilizing
V1,‡
pressurize
high
pressure
reservoir
ªv†¨”
‚st{{|sªt}the
~t~
†~‚s
t{{|sts
t{tsšƒs
Thet‚s
pressure
bety
accom˜H {snubbers.
v|€€ts{‰Š~
t{{|st{step
}t‚wchange
~yv†t{shall
~y€
wwƒxz with
nitrogen
ˆ }~v
}sƒ†tv}toƒyš
y|t{sufficient
|uuwtv}}toƒtensure
v{|st}that
~y}}the
~t
a value
plished
measured
with
‚
{~t inv”100’’xmilliseconds
{twƒv{ƒorsless
t{{yas{xt
y{|stˆ
}~ pressure
change
will
satisfy
‚st{{|st{step
}t‚w
~yv†tinv}the
~t}transducer
syv{|wtslegs
t†{ˆ
{
y}{u„
monitoring
pressure
Both
}the
~txƒ
v}ƒsv†‚s
t{{|st}transducer.
syv{|wts‰™ƒ
}~}the
~t}test
t{}yand
v }the
criteria
ofu‚
para.
A—3.5.2.
V1.‰
~tw
s}tsyƒ
ysy‰rz
Ž‰—‰‰Close
•ƒ{t¨”
monitoring
have
xƒ
v}ƒsv†‚pressure
st{{|st}transducers
syv{|wts{{shall
~y~
yštufrequency
st›|tvw„ (11)¬Ÿ§v
Energize
monitorts†ªt}the
~t}transducers
syv{|wts{yand
vyapplicable
‚‚wy€txƒ
v}ƒsz
respond
prosresponse
t{‚ƒv{twcharacteristics
~ysyw}ts{}w{{sufficient
|uuwtv}}toƒs
t{‚ƒv}toƒyand
v‚s
ƒz ing
V2.‰
v†tequipment,
›|‚xtv}‡yand
vyactuate
w}|y}t¨
a fullduce
|wtyanvtelectrical
tw}swy{signal
†vyƒoutput
|}‚|}invsresponse
t{‚ƒv{t}toƒyu
|z (e)­Ÿru
After
has
been
V2 and
}ts{steady
}ty„{state
}y}t~
y{€
ttvyachieved,
w~tšt‡wclose
ƒ{t¨y
v
pressure
{scale
wyt‚
st{{|stwchange
~yv†tƒoccurring
ww|ssv†inv”10’xmilliseconds
{twƒv{ƒors srelieve
the
by
opening
V4.
pressure
ttšt}~t}test
t{}‚s
t{{|st€„ƒ‚tvv†¨Œ‰
pressure
by
Thet‚
less.
t{{‰Š~
st{{|styas{indicated
vwy}t€
„}the
~t}test
t{}pressure
‚st{{|st}transsyv{z (f)®Ÿr{y
As applicable,
thoroughly
entire
damp‚‚wy€t‡}
~ƒsƒ|†~„wclean
tyv}the
~tt
v}sty
x‚z
ducer
|wts{shall
~y{satisfy
y}{u„}the
~tufollowing
ƒƒˆ v†wcriteria:
s}tsyœ
toƒs
remove
residual
fill
tening
vv†yapparatus
‚‚ysy}|{}
txƒšts
t{|y}traces
sywt{ƒofuthe
}~tu
fluid.
u|‰
a pressure
(a)žŸIndicate
vwy}ty‚s
t{{|stƒofu25%
—¡ ƒorsless
t{{ƒofu}the
~tufinal
vy A-3.5.3
Temperature
n$
pressure
a time
which
{steady-state
}ty„z{}y}t‚s
t{{|styat}y}
xttequal
›|y}toƒ}that
~y}yat}ˆ~
w~ lpl
A-3.5.3.1
High
Temperature.
monitoring
pressure
reaches
Place
the
}the
~txƒ
v}ƒsv†‚s
t{{|st}transducer
syv{|wtsinitially
v}y„s
tyw~t{its}{
lpllq¯!
k°
n$l±
ywt}
~t{snubber
v|€€tsinv
pressure
chamber
pressurize
the
{step
}t‚‚s
t{{|stlevel.
tšt‰
yanvtenvironmental
všsƒvxtv}yw
~yx€tsyand
v‚s
t{{|sªt}
~t{snubber
v|€€ts
[
¢83Ž
²³´µ¶·¸¹º »¼½½¾»¿µ»º¹À»ÁÂÀ¶·ÃÄŻƳ÷Àºµ»³Ç»ÈÀùÄÅ·ÃÄɻʟ·ÅÀÀ¶ËÌ
ͳ¶À´¶³ÎÏú·³Å»Âĵ»¿À»ÂÄÎÀ»³Ç»º¹·Ë»ÂĺÀ¶·Äɻзº¹³Ïº»Ð¶·ººÀŻóÅËÀź»³Ç»ÁÆÈÊÌ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
1SNUBBERS
4431(B40.5)
4567
ASME B40.100-2005
Table
Cycle
A-4
Temperature
1Step
!"#
$Temperature
"%#"&'!(&")Condition
*+,-!-*+
1 5°F
1 5°F
/1
0Increase
12345647temperature
4894357:34;[Note
<=74>(1)]
/?@Afrom
3=8B75°F
CDEFC
DE7to=/150°F
CGDEFC
DE
1 50°F
I2
JConstant
=1675177temperature
4894357:34=ofA/150°F
C
G
D
EFC
G
D
E
— 10°F
Decrease
1 5°F
K3
L4
2345647temperature
4894357:347to=M/
GDEFC
DE
— 10°F
1 5°F
N4
JConstant
=1675177temperature
4894357:34=ofAM/
GDEFC
DE
1 5°F
C5
0Increasing
123456O1P7temperature
4894357:347to=B75°F
CDEFC
DE;[Note
<=74>(3)]
K?@
NOTES:
<QR
STU
Ambient
>(1)/?V
8WO4177temperature
4894357:34Afor=37theH4Afirst
O3672cycle.
X2Y4Z
Minimum
>(2)I?[O
1O8:8\duration.
:357O=1Z
>(3)K?V
8WO4177temperature
4894357:34Afor=37theH4Ylast
5672cycle.
X2Y4Z
Ambient
.(
&'!-*+
Duration
1 hr3
/H
I22IHhr3;[Note
<=74>(2)]
I?@
2 hr3
IH
I22IHhr3;[Note
<=74>(2)]
I?@
1 hr3
/H
of frequency.
]to^_250`abc
^hijk
icclc
mnoophiand
mqf1,500
r̀aab
cd dintegral
m]p‡hikƒi
knp^gg
hp~npmv}tuIfgm^h
pc^mimvpciarehp
psidef
1 10abc
psidg
for
a Class
L snubber
psi
value
no resonances
e`
^hijk
iccsH csnubber.
mnoophtuIncrease
mvhpicp]the
wpvchamber
wixoph ^observed,
ocphƒpqr]the
wp_w
mqnhimvp]test
pc]cshall
wikko
^mqnv]pq
1 50abc
psidg
for
a Class
2 hrhp
endurance
bepv
conducted
1 5°F
not
Hz.tu
Ifgibi
a particular
iscqp
determined
bep
]temperature
pxbphi]nhpgfrom
h^x iambient
xodpm]]to^f150°F
`ayze`
yzdinmm
^]k
pcc iat]f175›`s‘
h]dvnkihcsnubber
mnoophd
]phxdmpq]to^o
less
1 hr.
]than
wimfw
ht{q|
nc]]the
wpbh
pccnhpiascmnecessary
pvpccih}]to^xi
dm]idm iaxisymmetric,
œdc}xxp]hdvr]then
wpm]the
wpƒvibration
dohi]d^m]test
pc]m
ppq^only
mk}o
^m€
Adjust
pressure
maintain
need
bepv
con]the
wphrequired
p~ndhpqb
hpccnhpti
dm]idm]the
wpbpressure
hpccnhpiand
mq]tempx€ qducted
nv]pqialong
k^m‡]
wp]two
„^xn]
nikk}bp
hbpmqdvnkihi
œpctThe
wp
pressure.
Maintain
the
mutually
perpendicular
axes.
perature
a minimum
4 hr.
Reduce
bepbh
pressurized
250
psidef
1 10abc
psidg
for
a
bphi]nhpvconditions
^mqd]d^mcgfor^hixd
mdxnx ^ofgw
ht‚p
qnvp]the
wp csnubber
mnoophcshall
wikko
pccnhd‘pq]to^_
`abc
^hi
not
1 hr.
Class
L snubber
pside`
1 50ab
psi
a Class
vchamber
wixoph]to^iambient
xodpm]]temperature
pxbphi]nhpdinmm
^]kless
pcc]than
wimfw
ht jk
icclc
mnoophiand
mqf1,500
r̀aabc
cdgfor^hijk
iccsH
‚p
x^ƒp]the
wpcsnubber
mnoophgfrom
h^x ]the
wpvchamber.
wixopht{k
k^„ itd]]to^ csnubber
mnoophiand
mqx^
md]^hpq]throughout
wh^n‡w^n]]the
wp]
pc]t{g
]ph]
wdc
Remove
Allow
monitored
test.
After
this
least
1 hr.
no^d
indication
orh
hremain
pxidmiat]iambient
xodpm]]temperature
pxbphi]nhpgfor^hiat]k
pic]fw
htThe
wp ]test,
pc]rthe
]wpcsnubber
mnoophcshall
wikkcshow
w^„m
mqdvi]d^m^ofgkleakage
pi†i‡p^
damage
damage
meet
dampening
ofg
csnubber
mnoophcshall
wikkcshow
w^„ mno^pevidence
ƒdqpmvp^ofgkleakage
pi†i‡p^orhqi
xi‡p qi
xi‡piand
mqcshall
wikkxp
p]]the
wpqi
xbpmdm‡hrequirement
p~ndhpxpm]^
para.
iand
mqcshall
wikkxp
p]]the
wpqi
xbpmdm‡hrequirement
p~ndhpxpm]^ofgbi
hit bi
hitA—3.5.2.
{€ˆt̀t_t
meet
dampening
para.
A—3.5.2
{€
ˆt̀t_iafter
g]ph]the
wpwhigh
d‡w]temperature
pxbphi]nhp]test.
pc]t
A-3.5.4.1
bepv
connected
‰Š‹ŠŠŸ Fixture.
“¡ŠThewpcsnubber
mnoophcshall
wikko
^mmpv]pq
Temperature.
Place
instrument
valve
‰Š‹Š‰ŠŒLOW
Ž
Šk
ivp]the
wpcsnubber
mnoophdinmianm ]to^]the
wp^outlet
n]kp]cside
dqp^ofgianmd
mc]hnxpm]vcutoff
n]^ggvalve.
ƒikƒptThe
wpƒ
ikƒp
A-3.5.3.2
penvironmental
mƒdh^mxpm]ikvchamber
wixophiand
mqb
hpccnhd‘p]the
wpcsnubber
mnooph]to^ iand
mqcsnubber
mnoophiassembly
ccpxok}cshall
wikko
nm]pq]to^iƒ
ph]dvik
pressurize
bepx^
mounted
a vertical
psidef
1 10ab
psi
a Class
L snubber
psid bi
panel
the
vibration
A flexible
hose
bep
_250`abc
cdgfor^hijk
icclc
mnoophiand
mqf1,500
r̀aabc
mpk^ofg]
wpƒ
dohi]d^mgfixture.
dœ]nhpt{g
kpœdokpw
^cpcshall
wikko
psidg
for
a Class
Decrease
the
inlet
side
ofg
e`
^hijk
iccsH csnubber.
mnoopht’p
vhpicp]the
wpvchamber
wixoph nc
pq]to^vconnect
^mmpv]]the
wpb
hpccnhpcsource
^nhvp]to^]
wpd
mkp]c
dqp^
1 50abc
used
pressure
40°F
1 53°F
in
flexible
]temperature
pxbphi]nhpgfrom
h^xiambient
xodpm]]to^
ayze`
yzd
mm
^]kless
pcc]than
wim ]the
wpd
mc]hnxpm]cutoff
vn]^ggvalve.
ƒikƒptA{g
kpœdokpw
^cpcshall
wikkbeopnused
cpq
not
instrument
hose
1 hr.
Adjust
pressure
necessary
maintain
a pressure
monitor
orh]
transducer)
fw
ht{q|
nc]]the
wpbh
pccnhpiascm
pvpccih}]to^xi
dm]idm]the
wp ]to^vconnect
^mmpv]ibh
pccnhpx^
md]^h–(gauge
‡in‡p^
himcqnvph—
pressure.
Maintain
pressure
test
connection
port
located
the
ofg]
the
hrequired
p~ndhpqbh
pccnhpti
dm]idm]the
wpbh
pccnhpiand
mq]temperapxbphi€ ]to^]the
wp]
pc]v
^mmpv]d^mb^
h]k
^vi]pqdinm]
wpcstem
]px ^
wp
a minimum
4 hr.
cutoff
pressure
hoses
]ture
nhpvconditions
^mqd]d^mcgfor^hixd
mdxnx ^ofgw
htuIncrease
mvhpicp]the
wp dinstrument
mc]hnxpm]v
n]^ggvalve.
ƒikƒptFlexible
zkpœdokpbh
pccnhpw
^cpccshall
wikkbeop
1 hr.
vchamber
wixoph]to^iambient
xodpm]]temperature
pxbphi]nhpdinmm
^]kless
pcc]than
wimfw
ht ^ofgcsufficient
nggdvdpm]klength
pm‡]wcso^iasc]to^m
^]dinterfere
m]phgphp„d
]w]the
wpƒ
dohi€
not
not
with
VibraRemove
pressure
ratings.
‚p
x^ƒp]the
wpcsnubber
mnoophgfrom
h^x ]the
wpvchamber
wixophiand
mqiallow
kk^„dit]]to^ ]tion
d^mgfixture
dœ]nhpiand
mqcshall
wikkhave
wiƒpiappropriate
bbh^bhdi]pbh
pccnhph
i]dm‡ct
least
1 hr.
After
pressurizing
hremain
pxidmiat]iambient
xodpm]]temperature
pxbphi]nhpgfor^hiat]k
pic]fw
htThe
wp {g
]phgfilling
dkkdm‡iand
mqbh
pccnhd‘dm‡]the
wpcsystem,
}c]pxr]the
wpcsnubber
mnooph
csnubber
mnoophcshall
wikkcshow
w^„ mno^pevidence
ƒdqpmvp^ofgkleakage
pi†i‡p^orhqi
xi‡p iand
mqbh
pccnhpx^
md]^hcshall
wikkbeopd
c^ki]pqgfrom
h^x]the
wpbh
pccnhp
damage
pressure
monitor
isolated
pressure
meet
dampening
para.
by
means
the
cutoff
valve.
iand
mqcshall
wikkxp
p]]the
wpqi
xbpmdm‡hrequirement
p~ndhpxpm]^ofgbi
hit csource
^nhvpo
}xp
imc^ofg]
wpdinstrument
mc]hnxpm]v
n]^ggƒ
ikƒptTest
pc]
A-3.5.2
replicate
{€
ˆt̀t_iafter
g]ph]the
wpklow
^„]temperature
pxbphi]nhp]test.
pc]t
gfixturing
dœ]nhdm‡cshall
wikkh
pbkdvi]p]typical
}bdvikcshipboard
wdbo^ihqdinstallation.
mc]ikki]d^mt
‰Š‹Š‰Š‰
Cycling.
“”•Šk
ivp]the
wpcsnubber
mnoophdinm A-3.5.5
‰Š‹Š‹¢Shock.
£Ž¤Š{k
d‡w]„pd‡w]cshock
w^v†]
pc]cshall
wikkbeopv
^m€
A-3.5.3.3
Temperature
Place
A lightweight
test
conwith
MIL-S-901
for
Grade
A, Class
ianmpenvironmental
mƒdh^mxpm]ikvchamber.
wixophtThe
wpcsnubber
mnoophcshall
wikkhremain
pxidm qducted
nv]pqdinmiaccordance
vv^hqimvp„d
]wu
l۪۴afg
^h¦h
iqp{r
jkicc
unpressurized
A p
equipment.
nine
blows
bep
nm
bhpccnhd‘pqqduring
nhdm‡]the
wp]temperature
pxbphi]nhpvcycling.
}vkdm‡tThe
wp]test
pc] f1,rType
}bp{
~ndbxpm]t{A total
]^]ik^ofgm
dmpo
k^„ccshall
wikko
1 through
4),
blows
parallel
axis
ofg]
the
cshall
wikkvconsist
^mcdc]^ofggfour
^nhvcomplete
^xbkp]pvcycles
}vkpc–(steps
c]pbcf]
wh^n‡w
—r iapplied,
bbkdpqr]three
whppo
k^„ciapplied
bbkdpqbi
hikkpk]to^peach
ivwi
œdc^
wp
A-4.
After
fourth
bepbh
pressurized
to^_
250
psid
iasccshown
w^„mdinmTable
iokp{€
t{g
]phvcompletion
^xbkp]d^m^ofg]the
wpg
^nh]w csnubber.
mnoophtThe
wpcsnubber
mnoophcshall
wikko
pccnhd‘pq]
`abc
beph
removed
1 10abc
psidg
for
a Class
L snubber
and
psi
1 50abc
psidg
for
vcycle,
}vkpr]the
wpcsnubber
mnoophcshall
wikko
px^ƒpqgfrom
h^x ]the
wpvchamber
wixoph ef
^hijk
icclc
mnoophi
mqf1,500
r̀aab
cde`
^h
a Class
monitored
throughout
iand
mqiallowed
kk^„pq]to^cstabilize
]iodkd‘piat]iambient
xodpm]vconditions
^mqd]d^mcgfor^hiat] ijk
iccsH csnubber
mnoophiand
mqx^
md]^hpq]
wh^n‡w^n]]the
wp]test.
pc]t
1 hr.
no^d
indication
orhqi
damkleast
pic]fw
htThe
wpcsnubber
mnoophcshall
wikkcshow
w^„mno^pevidence
ƒdqpmvp^ofgkleakage
pi†i‡p The
wpcsnubber
mnoophcshall
wikkcshow
w^„m
mqdvi]d^m^ofgleakage
kpi†i‡p^
x€
damage
meet
dampening
meet
dampening
requirements
^orhqi
xi‡piand
mqcshall
wikkxp
p]]the
wpqi
xbpmdm‡hrequirement
p~ndhpxpm] iage‡piand
mqcshall
wikkxp
p]]the
wpqi
xbpmdm‡h
p~ndhpxpm]c^ofgpara.
bihit
para.
A—3.5.2
A—3.5.2.
^ofgbi
hit{€
ˆt̀t_iafter
g]ph]the
wp]temperature
pxbphi]nhpvcycling
}vkdm‡]test.
pc]t
{€
ˆt̀t_t
A-3.5.4
A-3.5.5.1
bepv
connected
Vibration.
bep]
tested
in
‰Š‹Š˜
““Ž”ŠThe
wpcsnubber
mnoophcshall
wikko
pc]pqd
m
‰Š‹Š‹ŠŸ Fixture.
“¡ŠThewpcsnubber
mnoophcshall
wikko
^mmpv]pq
with
I (environmental)
vibration
the
valve
iaccordance
vv^hqimvp„d
]wType
}bpu–
pmƒdh^mxpm]ik—ƒd
ohi]d^m^ofg ]to^]
wp^outlet
n]kp]cside
dqp^ofgianmdinstrument
mc]hnxpm]vcutoff
n]^ggvalve.
ƒikƒptThe
wpƒ
ikƒp
MIL-STD-167-1
upper
bepx^
mounted
a vertical
u
l€™ ’€fš›€fpexcept
œvpb]]that
wi]]the
wpnbb
phgfrequency
hp~npmv}cshall
wikkbeop iand
mqcsnubber
mnoophiassembly
ccpxok}cshall
wikko
nm]pq]to^iƒ
ph]dvik
Hz;
panel
a type
plate.
flexible
hose
shall
f175›`s‘
]the
wpiamplitude
xbkd]nqp^ofgvibration
ƒdohi]d^mcshall
wikkbeopdinmiaccordance
vv^hqimvp bi
mpk^ofgi]
}bpš6D-1
’€fiadapter
qib]phbk
i]ptA{g
kpœdokpw
^cpc
wikk
with
A-5;
portion,
used
pressure
to^]
the
inlet
„d
]wTable
iokp{€
`iand
mqgfor^h]the
wpƒvariable
ihdiokpgfrequency
hp~npmv}b
^h]d^mr be
opnc
pq]to^vconnect
^mmpv]]the
wpbh
pccnhpcsource
^nhvp]
wpd
mkp]cside
dqp
maintained
2 min
valve.
A flexible
hose
shall
bep
]the
wpƒvibration
dohi]d^mklevel
pƒpkcshall
wikkbeopxi
dm]idmpqgfor^h_xd
miat]pevery
ƒph} ^ofg]the
wpdinstrument
mc]hnxpm]vcutoff
n]^ggƒ
ikƒpt{g
kpœdokpw
^cpc
wikko
(
ž84
§¨©ª«¬­®¯ °±²²³°́ª°̄®µ°¶·µ«¬¸¹º°»¨¸¬µª̄°̈¼°½µ¸®¹º¬¸¹¾°¿º­¬ºµµ«ÀÁ
¨«µ©«¨Ãĸ¯¬¨º°·¹ª°́µ°·¹Ãµ°̈¼°̄®¬À°·¹µ̄«¬¹¾°Å¬¯®¨Ä°̄Å«¬¯µ̄º°̧¨ºÀµº°̄¨¼°¶»½¿Á
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0SNUBBERS
12334506(B40.5)
3789
0 437898888
ASME B40.100-2005
7Frequency
8*9:*1/;5Range,
'1<*3
Hz (Inclusive)
=>6
?1/):-,@*
CD
E F20G
5 to
F21LDtoE C50G
C51LDtoEL100
GG
L101GLDtoEL175
OC
Table
Vibratory
!"#$%Criteria
A-5
Displacement
&'()*+,
-.)'/*0*123,in.196(Peak-to-Peak)
4*'5264*'5
Table
Displacement,
Variable
4Exploratory
A.)68'268;&
*-2
B'8,'()*7Frequency
8*9:*1/;&
*-2
Test
Test
1 0.004
1 0.012
G0.020
HGFGIG
HGGJ
G0.060
HGKGIG
HGLF
1 0.002
1 0.008
G0.010
HGLGIG
HGGF
G0.040
HGJGIG
HGGM
1 0.0006
1 0.004
G0.003
HGGNIG
HGGGK
G0.020
HGFGIG
HGGJ
1 0.0002
1 0.0006
G0.001
HGGLIG
HGGGF
G0.003
HGGNIG
HGGGK
a pressure
monitor
the
PQ
RSTtoUVconnect
UWWRVTXY
ZRQQPZR[U
W\TUZ](gauge
^XP^RUorZTtransducer)
ZXWQSPVRZ_ bfluid
aP\SXand
WSbfluid
aP\STtemperature
R[YRZXTPZR](viscosity)
c\QVUQ\Tl_XatTT
`RQsnubber
WPggRZ
used
TtoUTthe
`RTtest
RQTVconnection
UWWRVT\UWYU
ZTalocated
UVXTRS\inWTthe
`RQstem
TR[ UofbTthe
`R alocation.
UVXT\UWd
port
\instrument
WQTZP[RWTVcutoff
PTUbbcvalve.
XacRdeFlexible
aRf\gaRYZ
RQQPZR`hoses
UQRQQshall
`Xaabe
gR
pressure
nType
lYR
£Service
RZc\VR
UofbQsufficient
Pbb\V\RWTalength
RW^T`QsoUXasQTtoUWnotUT\interfere
WTRZbRZRh\
T`Tthe
`RQshock
`UVi
with
Oil,
hydraulic
y1
¤\am`
lSZXPa\Vb
aP\SX
gUcRƒ
RWT\QTUiRQ
fluid
above
20{V
centistokes
have
pressure
bfixture
\fTPZRXand
WSQshall
`Xaa`X
cRXappropriate
YYZUYZ\XTRYZ
RQQPZRZratings.
XT\W^Qd
X
U
Y
R
Z
X
T
\
W
^T
R
[Y
R
Z
X
T
PZ
R
d
¤\
XgUcRƒ
ƒz
atT
operating
temperature.
Oila
above
225
After
pressurizing
jb
TRZbfilling
\aa\W^Xand
WSYZ
RQQPZ\k\W^Tthe
`RQsystem,
lQTR[mTthe
`RQsnubber
WPggRZ
Q
X
l
g
U
a
TPW\
c
R
Z
Q
X
aQ
R
V
U
W
SQX
Y
R
Z
X
T
\
W
^
saybolt
universal
seconds
atTU
operating
Xand
WSYZ
RQQPZR[U
W\TUZQshall
`Xaabe
gR\isolated
QUaXTRSbfrom
ZU[Tthe
`RYZ
RQQPZR
pressure
monitor
pressure
T
R
[YR
Z
X
T
PZ
R
Q
means
valve.
Qsource
UPZVRg
l[R
XWQUofbTthe
`R\instrument
WQTZP[RWTVcutoff
PTUbbc
XacRdnTest
RQT
by
2ƒ
Fresh
oils
eZRQ`hX
TRZmQsteam,
TRX[m^X
QUa\WRma
\^`TU
\aQ
water,
gasoline,
light
bfixturing
\fTPZ\W^Qshall
`XaaZreplicate
RYa\VXTRTtypical
lY\VXaQshipboard
`\YgUXZS\installation.
WQTXaaXT\UWd
gRaUhƒ20{V
RWT\QTUiRQXatTUoperating
YRZXT\W^T
R[
below
centistokes
temYRZXTPZR
A-3.5.6
oppqrPressure
stIntegrity.
$upvZ
RQQPZ\kRTthe
`Rwa
XQQxL
Pressurize
Class
‚
¡X
QRQ
3
Gases
Class
H snubber
psi.\
Qsnubber
WPggRZTtoUy1,500
mz{{YpsiQ\Xand
WSTthe
`Rwa
XQQ|Q
WPggRZTtoU}9,000
m{{{YQ
d
4
£RXhX
TRZ
Sea
water
pressure
~Isolate
QUaXTRTthe
`RYpressurized
ZRQQPZ\kRSQsnubber
WPggRZbfrom
ZU[Tthe
`RYZ
RQQPZRQsource
UPZVR A-4.2.3
pressures
„p–po%Class.
pThe
n`RZrange
XW^RUofbUoperating
YRZXT\W^Y
ZRQQPZRQ\
isQ
Xand
WS[U
W\TUZTthe
`RQsnubber
WPggRZYZ
RQQPZRh\
T`Tthe
`RXappropriate
YYZUYZ\XTR SR
monitor
pressure
with
designated
by
a
single
character.
Q
\
^
W
X
T
R
Sg
lXQ
\
W
^
a
RV
`
X
Z
X
V
T
R
Z
d
pressure
Zrange
XW^RYpressure
ZRQQPZRTtransducer
ZXWQSPVRZUorZYZ
RQQPZR^gauge.
XP^RdMaintain
X\WTX\W
pressure
a period
1 hr.
After
Tthe
`RYZ
RQQPZRbforUZXYR
Z\USUofby`
Zdjb
TRZTthis
`\QTtest,
RQTmTthe
`R
Operating
Range
Lirnit,
psi
wa
XQQ
¤Y
RZXT\W^¥X
W^Rx\
[\TmY
Q\
Class
Qsnubber
WPggRZQshall
`XaaQshow
`Uh no
WURevidence
c\SRWVRUofba
RXiX^RUorZSX
[X^R
leakage
damage
L
x
y10{T
m{{{
toUy
1,000
meet
dampening
para.
Xand
WSQshall
`Xaa[R
RTTthe
`RSX
[YRW\W^Zrequirements
R€P\ZR[RWTQUofbYX
ZXd
H
1,001
|
y
m
{
{
yT
m{{{
toU¦
6,000
A-3.5.2.
j
‚dzdƒd
A-4.2.4
TheR[X
material
„p–p„%Composition.
#!$pn`
TRZ\XaVcomposition
U[YUQ\T\UWUofbTthe
`R
snubber
is
designated
by
one
letter.
Q
W
Pg
g
R
Z\
QSR
Q
\
^
W
X
T
R
Sg
lU
W
Ra
R
T
T
R
Z
d
A-4
„ ORDERING
†‡†tˆ‰rPARAMETERS
†Š‡‡†‹
temperatures
perature
wU
[YUQ\T\UW
Composition
jA
Acquisition
documents
jV
€P\Q\T\UWSU
VP[RWTQQshould
`UPaSQspecify
YRV\blTthe
`Rbfollowing:
UaaUh\W^Ž
ŸB
date
(cl)‘Ttitle,
\TaRmWnumber,
P[gRZmXand
WSSX
TRUofbTthis
`\QQspecification
YRV\b\VXT\UW
wC
Number
(b)’‘vX
ZT~Identifying
SRWT\bl\W^“P[g
RZ](PIN)
v~“_
Part
žX
A-4.1
„pŒAcquisition
"s$†Requirements
s#$
(C)”‘h`
RW€qualification
PXa\b\VXT\UW\isQZrequired
R€P\ZRS
when
marking
(d)•‘Qspecial
YRV\Xa[X
Zi\W^
A-4.2
Number
„p–rPart
tIdentifying
—$˜$uˆs
#™(PIN)
rtˆšrParameters
#
XTRZ\Xa
para.
wU
YYRZW
\ViRaX
aaUl](see
QRRY
XZXdA-2.2.2.1)
jƒdƒdƒdy_
Copper
nickel
alloy
A-2.2.2.2)
“\
ViRaVUYYRZX
aaUl](see
QRRY
XZXdj
ƒdƒdƒdƒ_
Nickel-copper
alloy
para.
para.
A-2.2.2.3)
wU
ZZUQ\UWZresisting
RQ\QT\W^Qsteel
TRRa](see
QRRY
XZXdj
ƒdƒdƒd‚_
Corrosion
A-2.2.2.4)
Other
para.
¤T
`RZ](see
QRRY
XZXdj
ƒdƒdƒd_
Material
A-4.2.5
The configuration
the
„p–p‡End
$—%Connection.
$$"$pn`RV
UWb\^PZXT\UWbforUZT
`R
isQSR
designated
by
a single
charQsnubber’s
WPggRZ§QRend
WSVconnection
UWWRVT\UW\
Q\^WXTRSg
lXQ
\W^aRV
`XZ
Xacter.
VTRZd
End
WS
TheRYX
parameters
PIN
n`
ZX[RTRZQbforUZv~
“XareZRXasQbfollows:
UaaUhQŽ
Application
Connection
wU
WWRVT\UW
jYYa\VXT\UW
(a)‘nType
lYR
(19)’‘wa
XQQ
Class
Pressure
O—ring
union
para.
vP
vZRQQPZR^gauge
XP^R¤
Z\W^PW
\UW](see
QRRY
XZXdA—2.1.1.1)
jƒdydydy_
Pressure
gauge
para.
(C)”‘Vcomposition
U[YUQ\T\UW
eF
vZRQQPZR^X
P^Rbflareless
aXZRaRQQ¨[Bite
Ÿ\TRTtype
lYR](see
QRRYX
ZXd
A—2.1.1.2)]
j
ƒdydydƒ_©
(d)•‘Rend
WSVconnection
UWWRVT\UW
T
Pressure
para.
n
vZRQQPZRTtransducer
ZXWQSPVRZ](see
QRRY
XZXdA—2.1.1.3)
jƒdydyd‚_
(e)›‘Vcleanliness
aRXWa\WRQQ
Other.
The end
mustTg
beRQ
specified
in
£8
¤T`RZdn`RR
WSVconnections
UWWRVT\UWQ[PQ
YRV\b\RS\
W
A-4.2.1
Number
The
„p–pŒrPart
tIdentifying
—$˜$uˆs
#™(PIN)
rtˆšœFormat.
#pn`R
orZU
ordering
data.
Tthe
`RVcontract
UWTZXVTU
ZSRZ\W^SX
TXd
PINS
beRPQ
used
v~
“QTtoUg
RSbforUZ\items
TR[QXacquired
V€P\ZRSTtoUTthis
`\QQsupplement
PYYaR[RWT A-4.2.6
TheRa
level
ofbV
cleanliness
ofbT
the
„p–pq%Cleanliness.
$$ pn`
RcRaU
aRXWa\WRQQU
`R
beRV
created
Qshall
`Xaag
ZRXTRSXasQbfollows:
UaaUhQŽ
Cleaning
snubber
isQSR
designated
by
a single
character.
Q
W
Pg
g
R
Z\
Q
\
^
W
X
T
R
Sg
lXQ
\
W
^
a
RV
`
X
Z
X
V
T
R
Z
dwa
R
X
W
\
W
^
EXAMPLE: B40.5A1—1LCPG
žjvxŽŸ
{dzjyyxwv¡
beR\
in
with
bforUZUoxygen
fl^RWXapplications
YYa\VXT\UWQQshall
`Xaag
WXaccordance
VVUZSXWVRh\
T`
P
G
ŸB40.5A1
{dzjy y1 xL
wC
v
¡
MIL-STD—1330.
Cleaning
applications
~
x£nªy‚‚{dwa
RXW\W^bforUZ^general
RWRZXaX
YYa\VXT\UWQQshall
`Xaa
Level
2 ofb
be
with
Cleanliness
gR\inWXaccordance
VVUZSXWVRh\
T`wa
RXWa\WRQQxRcRa~IV,«mnTable
XgaRƒU
Precedes
End
vZ
RVRSRQ
WS
ASME
B401.
Ÿ
{dyd
Class
Composition
Cleanlines
Vclassification
aXQQ\b\VXT\UWnType
lYRwa
XQQwU
[YUQ\T\UW Vconnection
UWWRVT\UWwa
RXWa\WRQ j£
Cleanliness
Application
waRXWa\WRQQ
jYYa\VXT\UW
A-4.2.2
which
TheRT
type
„p–p–Types.
!pn`
lYRUofbQservice
RZc\VR\inWh`
\V`Tthe
`RQsnubWPg
ber
will
used
designated
by
gRZh\
aabe
gRPQ
RSQshall
`XaabegRSR
Q\^WXTRSg
lUone
WRUofbTthe
`RbfollowUaaUh
G
General
¡
¡RWRZXa
X
Oxygen
dry
nitrogen
numbers
based
\ing
W^W
P[gRZQXand
WSQshall
`XaabegRQselected
RaRVTRSg
XQRSUonWTthe
`RRexpected
fYRVTRS
ž
¤fl^RWXand
WSSZ
lW
\TZU^RW
¢z
American
Mechanical
Engineers.
Copyright
¬­
®¯°±²³´©µ¶2006
··¸µ¹by¯µ́the³ºµ»¼º
°±½¾¿µÀSociety
­½±º´¯µ­ofÁµÂº
½³¾¿±½¾ÃµÄ¿
²±¿ºº°ÅÆ
No
material
ASME.
Ç­°reproduction
º®°­Èɽ±́­¿µmay
¼¾¯µ¹beºµmade
¼¾Èºµ­ofÁµ́this
³±Åµ¼¾
º́°±¾Ãµwithout
ʱ́³­Éµ́written
Ê°±́º́¿µ½consent
­¿Åº¿µ́­ofÁµ»À
ÂÄÆ
01234567866966
1SNUBBERS
4431(B40.5)
4567
ASME B40.100-2005
REFERENCES
G
SIIPE"%Shock
:/0D5Tests,
1484%Q*
,:Impact,
'(&08%
:*(6/&.2
MIL—S—901,
High
Shipboard
G&
0
:
*
+
1
.
9
%
TU
3
*
('1
+
8&
+
2
9
4
8
1
'4K1
U
3*
.
1'1+84
Machinery, Equipment and Systems Requirements
!"
#$%Sampling
&'()*+,-.
/0123.14&and
+25Tables
&6)147for/. G
ANSI
/ ASQC
Z1.4,
Procedures
MIL-STD-167-1,
Vibrations
of7
Shipboard
SI5OI"FLI"%Mechanical
G10:&
+*0&)V*
6.&8*/+4/
:*(6/&.2—
Inspection
+4(108*/+6
98
8.*63814
by
Attributes
Equipment
(Type
I — T+
Environmental
and
Type
TU
3*
(
'1
+
8<
5
9
(1W
J
*
.
/
+
'1
+
8
&
)&
+
25
9(1IIX
-36)
*4:1.;'1
.*0&+&
8*/+&)Standards
8&+2&.24Institute
+48*8381 Internally
Publisher:
American
National
+
8
1
.
+
&
)
)
9TY
0
*
8
1
2
Excited
<(ANSI),
=%>25?@1
48$
A.2Street,
8.118%1
BC/
.D%NY
C"10036
EEAF G
West
43rd
New
York,
MIL-STD-1330,
Practice
Precision
SI5OI"AAE%Standard
8&+2&.2-.
&08*017for/.-.
10*4*/+Cleaning
)1&+*+,
Helium,
Helium+25
148*+,/of7Shipboard
:*(6/&.2ZY
9,1+%Q1
)*3'%Q1
)*3'I
Testing
Oxygen,
5G H"
>>%Standard
8&+2&.2Specification
(10*7*0&8*/+7for/.Copper-Nickel/((1.I*0D1)I &and
ASTM
B 122,
9,1+%*
8./,1+&and
+2Q9
2./,1+
9481'4
Oxygen,
Nitrogen
Hydrogen
Systems
Alloy,
Alloy
Silver),
5Tin*+)
)/9%Copper-Nickel-Zinc
/((1.I*0D1)I!*+0)
)/9<(Nickel
*0D1)
*)J1.=% ZY
&and
+2Copper-Nickel
/((1.I*0D1))
)/9-)
&81%Sheet,
:118%Strip,
8.*(%&and
+2 -36
Alloy
Plate,
)*4:1.;NFederal
121.&)4specifications
(10*7*0&8*/+4&available
J&*)&6)17from:
./';Super3(1.I
Publisher:
K/
))12H&
Rolled
Bar.
Documents,
Government
Printing
*intendent
+81+21+8/of7O/
03'1+84%M#
#[/
J1.+'1+8-.
*+8*+,
U.S.
ASTM
B 127,
Nickel—Copper
5G H"
>L%Standard
8&+2&.2Specification
(10*7*0&8*/+7for/.*
0D1)I/((1. Z7
Office
7*01<(GPO),
[-Z=%L732A>#
&(*8/)Street,
8.118%NW,
@%Washington,
@&4:*+,8/+%
N. Capitol
Alloy
)
)/9<(UNS
ME
$$EE=-)
&81%Sheet,
:118%&and
+2Strip
8.*(
N04400)
Plate,
O >E$E"
5G H"
?"%Standard
8&+2&.2Specification
(10*7*0&8*/+7for/.Copper-Nickel/((1.I*0D1)I DC 20401
ASTM
B 151,
AMS 7259,
TGL
>?P%K*
+,4%Sealings,
1&)*+,4%N
)3/./0&.6/+<(FKM)
N\G=
Rings,
Fluorocarbon
!*
+0)
)/9<(Nickel
*0D1)Silver)
*)J1.=&and
+2Copper-Nickel
/((1.I*0D1)K/
2 SAE
Zinc
Alloy
Rod
K36
61.Q*
,:I51'(1.&83.1IN)3*2K1
4*48&+8V1
.9IS/B
Rubber
High—Temperature-Fluid
Resistant
Very-Low
Bar.
&and
+2H&
/'(.144*/+
18R85?8to/P
Set
95?
ASTM
B 164,
5G H"
F$%Standard
8&+2&.2Specification
(10*7*0&8*/+7for/.*
0D1)I/((1. Compression
Nickel—Copper
J 1926,
SAE
T]"
P>F%Connections
/++108*/+47
/.[1
+1.&)M4
1&and
+2NFluid
)3*2
for
General
Use
)
)/9K/
2%H&
.%&and
+2@*
.1
Alloy
Rod,
Bar,
Wire
— Ports
Ends
with
Threads
/B1.X/.84&and
+2Stud
832T+
24B*
8:ISO
Z L725>?5:
.1&24
ASTM
E 564,
Aluminum
Aluminum-Nickel
Alloy
5G H?
F$%)
3'*+3' &and
+2)
3'*+3'I*0D1))
)/9 -Power
— -&
O—Ring
Part
Threaded
with
&and
+2ZI
K*+,Sealing
1&)*+,W
.8"1:;5:.
1&212-Port
/.8B*
8:
NForgings
/.,*+,4
O—Ring
K*+,Seal
1&)*
+5Truncated
.3+0&812Q/
34*+,
in
Housing
5G OA
P?"%Standard
8&+2&.2-.
&08*017for/.Commercial
/''1.0*&)-Pack&0DI ZI
ASTM
D 3951,
Practice
&aging
,*+,
Publisher:
-36
)*4:1.;Society
/0*189/of738
/'/8*J1T+,*
+11.4<(SAE),
T=%
Automotive
Engineers
$EE Commonwealth
/''/+B1&)8: O.
*J1% Warrendale,
@&..1+2&)1% -PA
Drive,
-36
)*4:1.;
5GInternational
+81.+&8*/+&)<(ASTM),
5G=%"100EEH&
..Q&
.6/. 400
Publisher:
ASTM
Barr
Harbor
Drive,
West
"15096-0001
?EPFIEEE"
O.
*J1%@1
48Conshohocken,
/+4:/:/0D1+%-PA"19428
P$>R
A-5
I
R86F
^_`abcdef ghiijgkagfelgmnlbcopqgr_oclfag_sgtloepqcopugvqdcqllbwx
y_bl`b_z{ofc_qgnpagklgnpzlg_sgfecwgnpflbcpug|cfe_{fg|bcfflqgo_qwlqfg_sgmrtvx
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
ASME B40.100-2005
ASME B40.6
1 Scope
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Valves,
General
2 Pressure
!Limiter
"#"$%
&'()*
+&'. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
,3 -Construction
+$$"+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89.
Valves
4 Selection
'$"+of/Pressure
!Limiter
"#"$%
&'(. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.0
15 2Installation
+$&''&$"+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92.3
6 Safety
&/$4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .923
57 6Testing
$"+7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .938
9Figures
"7 Type
:1 ;Piston
<=>?@A
BCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89.
32 E<
FCGHFIJ AType
BCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.0
Diaphragm
Relief
Valve
83 KD
L<DMNF
LODAType
BCD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91:
4
Bellows
P QD
LL?R=AType
BCD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91.:
87S
TUVWXYZ[\ ]^__`]aW]\[b]cdbXYefg]hUeYb\W]Ui]jbe[fgYefk]lgZYgbbXmn 30¢
oUXbVXUpqe\YUg]dfW]ab]dfpb]Ui]\[Ym]df\bXYfk]rY\[Uq\]rXY\\bg]eUgmbg\]Ui]chjln 53
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
ASME B40.100-2005
PRESSURE LIMITER VALVES
1 SCOPE
kenvironment:
htgjehmkhnlthe
.+conditions
,!",!.external
:.#! 8
,the
.".
/+.=
to
device,
including
weather,
temperature,
humidity,
salt
spray,
!
+
8
2"
!
3;.
.
#
=
.
40.
#
2#
.
=
24
"
5
=
8
0#5=
This
is+
confined
devices
pro
Standard
!" #"$(B40.6)
%&'()*
,!-!."to,".
/+.that
0#
,1 /vibration,
con
6
#
,
!
=
+
,
#
#
,
/
.
4,
0
.
#
.
=
!
",
.
#
4
8
#+
,!1
corrosive
atmosphere,
and
other
similar
tect
.+0#
.2#.1.!!3instruments
!#24.!-from
#,40pressure
#.2#.sources
,2#+. "
pressure—sensing
,
!
=
+
,
28
"
.
+
.0
.
#
,
#
4
!
+
.,
.".
/
+.(
ditions,
that
could
affect
the
performance
of-
the
device.
in!the
..event
/.!,of-system
5.40pressure
#.2#.#rising
!3above
6,/.the
.adjusted
"72."
Zgqmlthe
.0#
,+.-fluid
82"$(gas
3 ,or#8
u2"*(
medium:
process
liquid).
device.
These
devices
not
+closing
8,!30pressure
#.2#.,of-the
.".
/+.(
..".
/+.are#.!
, mk
0#
.2#.#regulators.
.328,#(9#
.2#.8limiter
4.#valves
/8/.are#.".
3!." pjkffqjkoXburst:
pressure
Pressure
designed
which
qjfnlthe
.4maximum
:424 pressure,
0#.2#.=above
6,/.;
+a
,only
!85to,0prevent
#./.!the
.0
3.,of-.excessive
:+./.0#
.2#.to, pressure,
passage
pressure
longer
hold
".
/
+
.4
5!
,
!
3
.
#
,
8
"0#
.
2
#
.
(
device
may
no,8
pressure.
",
;!#.4 pressure—sensing
0#.2#.1.!!3instruments.
!#24.!(<.
#.-.#= pjkffqjkoYclosing:
downstream
Hereafter,
defghilthe
.system
5.40#
.2#.atwhich
;+the
.sealing
.8!3
pressure
pressure
be.#
referred
0#.2#.8limiter
4.#/valves
8/.4may56
.-.##."to,as>”devices.”
"./+.(? pressure,
4.
+ !4+closes,
8,.=isolating
,8!3the
.0#
.2#.1.!!3
!#21
mechanism
pressure—sensing
instrument
from
rising
system
pressure.
4.
!
#
,
4
#
!
3
5
.
4
0#
.
2#
.
(
GENERAL
@2 PRESSURE
LIMITER
VALVES,
AB
C
pressure,
maximum
maximum
pressure
pjkffqjkomV
vgmqmginlet:
hdknlthe
.4
:4240#
.2#.that
+can!
@2.1D Purpose
EFGHIJ
6.applied
008."
.
!8.0
,#,of-a pressure
0#.2#.8
4.#/
8/.
be
to,
the
inlet
port
limiter
valve
continually
or
repeatedly
without
degradation
in
the
+
,
!
!
2
8
8
5,
##
.
0.
.
"8
5;
,
2".
3
#
"
,
!
!
.
Pressure
9#
.2#.8limiter
4.#/
8/.are#.2used
."to,0#
,.+0#
.2#.1 0.
valves
protect
pressureperformance
of
the
valve.
#
,
#
4
!
+
.,
-
./
8
/
.
(
sensing
.!!3instruments
!#24.!against
3!"damage,
4 3.=8loss
,,of-accuracy,
++2#+5=
and/or
!"K,##rupture
202#.in!the
..event
/.!,-.
:+./.system
5.4 pressure,
of excessive
working:
inlet
pjkffqjkomV
vgmqmwe
jxghilmaximum
4 :424
!8.pressure;
0#.2#.ysee
..
maximum
pressure.
0#
.2#.(
pjkffqjkomV
vgmqmginlet.
hdkn(
pressure,
maximum
pressure,
maximum
differential
pjkffqjkoeover—range:
tkjrjVhiklthe
.4
:424 pressure
0#.2#."
--.#.!8
@2.2D@ Principle
FLMNLGOJHofPG
JFQRLHM
Operation
between
inlet
and
outlet
ports
for
a given
closing
6
.
;.
.
!
!
8
.
!
",
2
8
.
0,
#
,
#
3
/
.
!+
8
,
!30#
.1
presS.
!.#885=these
..".
/+.+consist
,!,of-the
.-following
,88,;!3+com,41 sure.
Generally,
devices
2
#
.
(
0#
.
2#
.4
,
!
!
2,
2
8
5,
.
0.
.
"8
5
This
pressure
may56
be.+
continuously
or##
repeatedly
0,
!.!T
ponents:
applied
without
degradation
in
performance.
It4
may56
be.
0
0
8
.
";
,
2
".
3
#
"
,
!
!0
.
#
,
#
4
!
+
.
(
\
body
with
designed
U(a)VW6
,"5;
inlet
!8.and
!",outlet
28.ports,
0,#=".
3!."to,+con,!1 .expressed
:0#.."asa pressure
0#.2#.,or#asa percentage
0.#+.!3.,of-the.+closing
8,!3
design
tain!4maximum
:424 system
5.4 ".
3!0pressure
#.2#.
0#
.
2
#
.
6
,
/
.
.+
8
,
!
30#
.
2#
.
(
pressure above the closing pressure.
pressure—sensing
U(b)XW0#
.2#.1.!!3.element
8.4.!
pjkffqjkoproof:
pjeezlthe
.0
#.2#.a ".
/+.+
!;
!";
1
pressure,
pressure
device
can
withstand
withU(C)YW#range
!3.spring
0#!3
out
degradation
in
performance.
Repeated
2".
3#" ,!
!0.
#-,#4 !+.({.
0.."application
008+,!
U(a)ZW4.
+ !4-for,#sealing
.8!3,or#isolating
,8!3the
.,outlet
28.0,
# ,
mechanism
port
be.".
destructive.
,of-0#
,,-0
#.2#.4may56
#2+/.(
proof
pressure
port
-from
#,4 the
.inlet
!8.0,
#
The pressure—sensing
.0#
.2#.1.!!3.element
8.4.!hassystem
5.4 0#
.2#. pressure,
pressure
pjkffqjkojreopening:
kepkhghilthe
.system
5.40
#.2#.at;
+a closed
+8,."
pressure
which
working
The.#
range
;,
#[!3against
3!an!adjustable
"7268.#range
!3.spring.
0#!3(
!3. sealing
mechanism
reopens,
generally
expressed
asa
.
8
!
34.
+
!
4
#
.
,
0
.
!
=3
.
!
.
#
8
8
5.
:
0#
.
.
"
holds
mechanism
position,
spring
0#!3
,8"the
.sealing
.8!34.
+ !4in!the
.,open
0.!0,
,!= 0.
percentage
pressure.
#+.!3.,of-+closing
8,!30
#.2#.(
allowing
pressure
88,;!3system
5.40#
.2#.into
!,the
.instrument.
!#24.!(\Increasing
!+#.!3 pressure,
pressure
differential
between
jkffqjkojrupture:
qpnqjklthe
.0#
.2#."
--.#.!86
.;..!inlet
!8.
8load
, ",on!the
.adjustable
"7268.#range
!3.spring
0#!3increases
!+#..+closing
8,!3 pand
may
no,8
longer
limit
outlet
ports
atwhich
the
device
!
",
2
8
.
0,
#
;
+
.".
/
+
.4
5!
,
!
3
.
#8
4
pressure,
decreasing
0#
.2#.=and
!"".
+#.!3the
.8load
,"8lowers
,;.#+closing
8,!30pres#.1 0#
pressure.
.
2
#
.
(
As system
pressure
sure.
2#.(]
5.4 0#
.2#.,overcomes
/.#+,4.the
.-force
,#+.,of-the
.
instrument
being
protected
pjkffqjkrfkhfghiginstrument:
hfnjqmkhnl
!#24.!6
.!30
#,.+."
pressure—sensing
#range
!3.spring,
0#!3=the
.0#
.2#.1.!!3.element
8.4.!moves,
4,/.=+caus21 pressure—sensing
pressure
limiter
valve.
65the
.0
#.2#.8
4.#/
8/.(
mechanism
With
ing
!3the
.sealing
.8!34.
+ !4 to,+close.
8,.(^
the
.sealing
.8!3 by
mechanism
outlet
4.
+ !4 +closed,
8,."=the
.,2
8.side
".isisolated
,8."-from
#,4 pressure,
closing
pressure;
pressure,
pjkffqjkofset:knl+
8,!30
#.2#.ysee..p
jkffqjkoYclosing.
defghi(
pressure
instrument
proincreasing
!+#.!3system
5.4 0#
.2#.and
!"the
.
!#24.!is0
#,1 pressure,
pressure
of-
the
process
medium
ffqjkofsystem:
|fnkmlthe
.0#
.2#.,
.0#
,+.4.
"24 at
pressure
drops
tected.
.+."(]
5.40#
.2#."#
,0to,the
.#reopening
.,0.!!30#
.1 pjk.
As system
presinlet
connection.
!8.0pressure
#.2#.+
,!!.+,!(
mechanism
pressure
valve,
sure
2#.,of-the
.0#
.2#.8limiter
4.#/
8/.=the
.sealing
.8!34.
+ !4 the
pressure
back
,opens
0.!and
!"allows
88,;transmission
#!4,!,of-system
5.40
#.2#.6
+[ pulsation:
pqdfVngehla periodic
0.#,"+surge.
2#3.(
into
!,the
.instrument.
!#24.!(
the
pressure—sensjrange
Vhikfspring:
pjghilthe
.spring
0#!3against
3!which
;+
.0
#.2#.1.!1
works.
Changing
load
on
the
range
ing
!3.element
8.4.!;,
#[(}
!3!3the
.8
,",
!
.#
!3.
Valve
@2.3D_ Pressure
FJIIEFJLimiter
L̀LRJF
QOaJTerminology
JF`LMHOHbc
spring
changes
the
closing
pressure.
0
#
!
3+
!
3
.
.+
8
,
!
30
#
.
2#
.
(
minimum
Yclosing
defghijrange:
Vhiklthe
.4
!424 and
!"4maximum
:424 /values
82.,ofofpressure
per
time
interval.
jrate
Vnke
zpjkffqjkYchange:
~Vhiklpressure
0#.2#.+change
!3.0
.#
4.
!.#/8(
pressure.
+closing
8,!30
#.2#.(
ofzY
closing
pressure:
maximum
kelement,
dkmkhnopressure—sensing:
pjkffqjkrfkhfghilthe
..element
8.4.!that,
=in!+conjunction
,!72!+,! jrepeatability
kpkVnVXgdgn|e
defghip
jkffqjklthe
.4
:424 difference
"--.#.!+.
with
pressures
for
;
a #range
!3.spring,
0#!3=+converts
,!/.#a pressure
0#.2#.+change
!3.into
!, between
6.;..!a number
!246.#,of-+consecutive
,!.+2/.+closing
8,!30
#.2#.,#
motion.
rate
pressure
under
the
4,
,!(
the
.same
4.applied
008."#
.,of-0#
.2#.+change
!3.2!
".#
.
s88s
€‚ƒ„†‡ ˆ‰ŠŠ‹ˆŒ‚ˆ‡†ˆŽƒ„‘’ˆ“€„‡‚ˆ€”ˆ•†‘’„‘–ˆ—’„’ƒ˜™
š€ƒƒ€›œ‡„€’ˆ‘‚ˆŒˆ‘›ˆ€”ˆ‡†„˜ˆ‘‡ƒ„‘–ˆ„‡†€œ‡ˆƒ„‡‡’ˆ€’˜’‡ˆ€”ˆŽ“•—™
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
0PRESSURE
12334125LIMITER
6768219
5923(B40.6)
VALVES
372 ASME B40.100-2005
Outlet
Inlet
to
seal
outlet
Range
#
$
spring
%&"$
g//Y
—\
/
/
Closing
'
"$
pressure
%&
&
adjustment
()*
Piston
!"
\ Inlet
Type
+Fig.
,-./1 0Piston
,12345
678
Diaphragm
Type
usually
9same
:;<=operating
><?:@ABCDconditions.
=BEA@A=B9FGIt@Ais9H9
H:IIJ<expressed
K>?<99<E:as9:a f
.yz,
{7|}{-~5
678
3.2
percentage
><
?D<B@:C<=ofLDclosing
I=9ABC>pressure.
?<99H?<F
n]
<99H?<e9<B9ABC<element
I<;<B@A
:>]?:C; :assem99<;e
The<>?
pressure-sensing
is9:EA
a diaphragm
set
pressure;
pressure,
closing.
M
NOPpoint:
QRSOTDclosing
I=9ABC>
?<99H?<U9see<<P
VNMMWVNXY
ZQMRS[F
bly.
This
works
oIJFn]
A9:assembly
99<;oIJp=
?q9:against
C:AB9@:anB:adjustable
ErH9@:oI<?range
:BC<
spring.
The
diaphragm
assembly
contains
a
sealing
9
>?
A
BC
Fn]<EA
:
>]?
:
C
;
:
9
9
<
;o
I
JD
=B
@
:
A
B9:9
<
:
IABC
spike:
a short
M
PR\NT:9
]=?@Eduration,
H?:@A=B^]high
AC]:amplitude
;>IA@HE<9surge.
H?C<F
mechanism
from
the
instru;<
D
]
:
B
A
9
;
@
9
=
I
:
@
<9
J
9
@
<
;
>?
<
9
9
H?
<L
?
=
;
@
]
<A
B
9
@?He
to=A
isolate
system
pressure
surge:
a sudden
drop
pressure.
M
WV[NT:9
HEE<B?rise
A9<=or?E?
=>AinB9system
J9@<; >?
<99H?<F
from
ment
a seal
isolate
;<
B@:and
BE:acts
D@9:as9:9
<:I@to=A
9=I:@<9system
J9@<; pressure
>?<99H?<L
?=;
range
Fig.
]<?
:BC<9spring
>?ABCs(see
9<<t
ACF2).vF
Otemperature,
N_PNV`OWVNX`ambient:
_aRNSOT@the
]<@temperature
<;><?:@H?<=ofL@the
]<:atmosphere
@;=9>]<?< @the
pressure
Valve.
9surrounding
H??=HBEABC@the
]<>?
<99H?<Ilimiter
A;A@<?b
:Ib<F
Valve
.fkRelief
8€,8‚
{€ƒ85Type
678
3.3
Otemperature,
N_PNV`OWVNXP
VQYNMMT@the
]<@temperature
<;><?:@H?<=ofL@the
]<>?
=D<99 f
process:
process
is9:
an
relief
<99H?<e9<B9ABC<element
I<;<B@A
B:adjustable
ErH9@:oI<?
<IA<L
The<>?
pressure-sensing
medium
pressure
pressure
;<
EAH;:at@@the
]<Ainlet
BI<@>?
<99H?<Dconnection
=BB<D@A=B=ofL@the
]<>?
<99H?< n]
relief
Valve
instrument
a check
Valve.
b:Ib<=onB@the
]<A
B9@?H;<B@9side
AE<=ofL:D
]<Dqb
:Ib<FThe
n]<?
<IA<L
Ilimiter
A;A@<?bvalve.
:Ib<F
Valve
a range
spring.
When
b:Ib<=operates
><?:@<9:against
C:AB9@:?
:BC<9
>?ABCF„]
<B9system
J9@<;
wetted
parts:
device
directly
cN
OONdP
`VOMTDcomponents
=;>=B<B@9=ofL@the
]<E<
bAD<@that
]:@EA
?<D@IJDcon=Be pressure
the
relief
Valve
open,
the
check
Valve
>?
<
9
9
H
?
<L
=
?
D
<
9@
]
<?
<
I
A
<
Lb
:
I
b
<=
>
<
B
^@
]
<D
]
<
D
qb
:Ib<
forces
@tact
:D@@the
]<>process
?=D<99;<
EAH;F
medium.
mechanism
The<D
check
valve
a sealing
Dcloses.
I=9<9Fn]
]<Dqb
:Ib<Dcontains
=B@:AB9:9
<:IABC;<
D]:BA9;
pressure
from
instrument.
The<?
relief
@to=Aisolate
9=I:@<9system
J9@<;>
?<99H?<L
?=;@the
]<A
B9@?H;<B@Fn]
<IA<L
Valve
Vents
flow
be<EA
diverted.
b:Ib<b
<B@9<externally,
K@<?B:IIJ^:and
BE@the
]<L
I=p may
;:Jo
b<?@<EF
f3 gCONSTRUCTION
hij5klg5mhi
This
not
used
with
diaphragm
n]
A9@type
J><9should
]=HIEB
=@beo<H9
<EpA
@]EA
:>]?:C;9seals
<:I9s(see
9<<
f3.1./0Piston
,12345Type
678
tFig.
ACF3).vF
The<>?
pressure-sensing
a piston
n]
<99H?<e9<B9ABC<element
I<;<B@Ais9:>A
9@=B:assembly.
99<;oIJF f
Bellows
Type
8€€3ˆ15
678
The<>A
piston
works
n]
9@=B:assembly
99<;oIJp=
?q9:against
C:AB9@:anB:adjustable
ErH9@:oI<?range
:BC< 3.4.†‡
The<>A
piston
a sealing
mechaThe<>?
pressure-sensing
element
a bellows
<99H?<e9<B9ABC<
I<;<B@Ais9:o
<II=p9:assembly.
99<;oIJF
9spring.
>?ABCFn]
9@=B:assembly
99<;oIJDcontains
=B@:AB9:9
<:IABC;<
D]:e n]
nism
This
works
range
pressure
A9:assembly
99<;oIJp=
?q9:against
C:AB9@an
:B:adjustable
ErH9@:oI<?
:BC<9spring.
>?ABCF
B
A9;@to=Aisolate
9=I:@<9system
J9@<;>?
<99H?<Lfrom
?=;@the
]<Ainstrument
B9@?H;<B@:and
BE n]
within
a bore
with
a seal
designed
isolate
The<o
bellows
assembly
a sealing
mechanism
<II=p9:
99<;oIJDcontains
=B@:AB9:9
<:IABC;<
D]:BA9; to@=
=operates
><?:@<9pA
@]AB:o
=?<pA
@]:9
<:IE<
9ACB<E@to=A
9=I:@< n]
pressure
pressure
and
acts
as9
9=I:@<9system
J9@<;>?
<99H?<Lfrom
?=;@the
]<Ainstrument
B9@?H;<B@:
BE:
D@9:
9system
J9@<; >?
<99H?<Lfrom
?=; @the
]<?range
:BC<9spring
>?ABCs(see
9<<tFig.
ACFu1).vF Aisolate
[
w89x
‰Š‹ŒŽ‘ ’“””•’–Œ’‘—’˜™—Žš›œ’ŠšŽ—‘Œ’Šž’Ÿ—š›œŽš›’¡œŽœ——¢£
¤Š—‹Š¥¦š‘ŽŠœ’™›Œ’–—’™›¥—’Šž’‘Ž¢’™›‘—Ž›’§Ž‘Š¦‘’§Ž‘‘—œ’šŠœ¢—œ‘’Šž’˜Ÿ¡£
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
ASME B40.100-2005
#$
%
&
Closing
pressure
adjustment
'(&)")
\
%
\
Es
-
311 323 0314567
PRESSURE LIMITER VALVES (B40.6)
%
spring
/— Range
r
!"
Diaphragm
Outlet
+&)
$)
*Inlet
$)
‘*
/
\.
*Inlet
$)to)%
%&)
$)seal
$
outlet
V
/1
Km}
Diaphragm
Type
,Fig.
-./02 123452.67
839
a seal
range
:;
<:=>to?@isolate
;?=:><;system
A;><B Cpressure
D<;;ED<Ffrom
D?B >the
G<D
:HI<;spring
CD@HI O
/0SClosing
qri-s.XRange
2s.9
4.2
J(see
;<<KFig.
@IL4).
MNL
The<`<
desired
pressure
must>a
be<^@
within
]G
;@D<`_closing
=?;@HICD
<;;ED<BE;
>G@H>the
G<_clos=?;d
range
the
pressure
limiter
valve.
closing
pres@ing
HID
:HI<?ofF>
G<C
D<;;ED<=
@B@><Db
:=b<LThe
]G<_
=?;@HICD
<;d
;
E
D
<BE;
<
=
?
^>
G
<C
D
?
?
FC
D
<
;
;
ED
<?
G
<C
D
<
;
;
ED
<d
sure
must>a
be<a
below
the
proof
pressure
ofF>
the
pressureOF PRESSURE
VALVES
O4 PSELECTION
QRQS7TUVU,W
XQPPYXQRLIMITER
TZT7QX[
\R[QP
instrument.
Usually
closing
pressure
is;;
set
;sensing
<H;@HI@
H;>DEB<H>Lt;
E:==A>the
G<_
=?;@HICD
<;;ED<@
<>
full
instrument
pro=@IG>=A:above
a?b<>the
G<F
E==;scale
_:=<?ofF>the
G<@
H;>DEB<H>being
a<@HICD
?d
The<F
following
a partial
list
]G
?==?^@HI@is;:C
:D>@:==
@;>?ofF_criteria
D@><D@:>that
G:>;should
G?E=` ;slightly
Typically,
<_><`>to?:allow
==?^ indication
@H`@_:>@?H?ofF?over—range.
b<DdD:HI<L]
AC@_:==Am>the
G<
be
by
user
a<_considered
?H;@`<D<`a
A>the
G<E;
<D@inH>the
G<:application
CC=@_:>@?H:and
H`;selection
<=<_>@?H >tected
diaphragm
type
be<;
set
the
lowest
pressure,
:CGD:IB>
AC<_can
:Ha
<>to>?>
G<=
?^<;>_closing
=?;@HICD
<;;ED<m
a pressure
Proper
will
help
?ofF:CD
<;;ED<=limiter
@B@><Dbvalve.
:=b<LcD
?C<D;selection
<=<_>@?H^@
==G
<=C `@
by
bellows
valve
pis?==?^<`a
A>the
G<a
<==?^;>type,
AC<mDrelief
<=@<Fb
:=b<>type,
AC<m:and
H`C
@;d
provide
performance
with
minimal
mainteCD?b@`<Dreliable
<=@:a=<C<
DF?DB:H_<^@
>GB@
H@B:=B:
@H><d Ffollowed
?H>type.
AC<L
nance.
This
a guideline;
user
responsibilH:H_<L]G
@;@is;?only
H=A:I
E@`<=@H<e@it>@is;>the
G<E;
<Df’s;D
<;C?H;@a@=d >ton
properly
a valve
properly
@ity>A>to?C
D?C<D=A;select
<=<_>:b
:=b<?orDCD
?C<D=A:and
H`:adequately
`<gE:><=A O
/uXReopening
9r39s-s.WPressure
59iik59
describe
device
`<
;_D@a<>the
G<:application
CC=@_:>@?H;so?>the
G<_correct
?DD<_>`<
b@_<_can
:Ha
be< 4.3
The<;
supplier
be<_
consulted
;specified.
C<_@F@<`L]G
ECC=@<D;should
G?E=`a
?H;E=><`:as;Drequired.
<gE@D<`L ]G
The<D
reopening
pressure
is;:
always
less
than
<?C<H@HIC
D<;;ED<@
=^:A;=
<;;>
G:H>the
G<_closing
=?;@HI
pressure.
variations
in
percentage
between
CD
<;;ED<LConsiderable
v?H;@`<D:a=<b
:D@:>@?H;@
HC<
D_<H>:I<a
<>^<<H
O4.1/hPSystem
8ij96WPressure
59iik59
pressures
may
for
different
_closing
=?;@HI:and
H`Dreopening
<?C<H@HICD
<;;ED<;B:
A<exist
l@;>F
?D`@
FF<D<H>
design.
within
a given
=?;@HICpressures
D<;;ED<;^@
>G@H:I
@b<H`<;@IHL
pressure
valve
must>G
have
]G
<;;ED<=limiter
@B@><Db
:=b<BE;
:b<:anH?over—range
b<DdD:HI< _closing
The<CD
pressure
maximum
presCD
<;;ED<<equal
gE:=>to??orD:above
a?b<>the
G<B:
l@BEB ;system
A;><B CD
<;d 4.4/OZ2
Materials
j95-2qirofwSConstruction
rsij5kxj-rs
which
may
be<_
considerably
higher
the
;sure,
ED<m^G
@_GB:
Aa
?H;@`<D:a=AG
@IG<D>than
G:H>
G<_closing
=?;@HI O
have
pressure
Care
be
to
the
CD<;;ED<Ln?B<`<
b@_<;G:
b<?over—range
b<DdD:HI<CD
<;;ED< v:
D<;should
G?E=`a
<Igiven
@b<H>
?>
G<;selection
<=<_>@?H?ofFmetallic,
B<>:==@_mnonH?Hd
pressure.
Some devices
pressure
metallic,
materials
compatibila percentage
<expressed
lCD<;;<`:as;:C
<D_<H>:I<?ofF>the
G<_closing
=?;@HICD
<;;ED<:above
a?b< B<
>:==@_m:and
H`<elastomeric
=:;>?B<D@_B:
><D@:=;>to?<ensure
H;ED<_
?BC:>@a@=d
which
may
limit
pressure,
with
process
medium,
process
and
>the
G<_closing
=?;@HICD
<;;ED<m^G
@_GB:
A=
@B@>>the
G<?over—range
b<DdD:HI< @ity>A^@
>GCD
?_<;;B<
`@EBmCD
?_<;;>temperature
<BC<D:>ED<:
H`
pressure,
para.
effects
CD<;;ED<L
CD
<;;ED<m<environment,
Hb@D?HB<H>m<etc.>_LJ(see
;<<C:
D:Ly6.2.5).
LzL{NLThe
]G<<
FF<_>;
pressure.
op
90
American
Mechanical
Engineers.
Copyright
|}
~€‚ƒ„© †2006
‡‡ˆ‰bythe
„ƒŠ‹ŒŠ
€ŽSociety
}Š„}of‘’Š
ƒŽŽ“”
‚ŠŠ€•–
No
material
ASME.
—}€reproduction
Š~€}˜™„}may
ŒŽ‰beŠmade
ŒŽ˜Š}of‘„this
ƒ•ŒŽ
„Š€Ž“without
š„ƒ}™„written
š€„„Šconsent
}•Š„}of‘‹
’”–
0PRESSURE
12334125LIMITER
6768219
5923(B40.6)
VALVES
372 ASME B40.100-2005
)*((
Relief
!
valve
""
1111:1111’
Check
#$
%&
valve
"
"3
'Inlet
((to+
outlet
+*(
(seal
L
:
\
'(
\ Inlet
Valve
Type
,Fig.
-./03 1Relief
23-245
63728
9:2
pressure
#Closing
+
*
adjustment
=>*(?(
Range
spring
\
Bellows
;
+<
om(
)*(
L [mg
77%
71/
//L
'((+
outlet
+*(
(seal
\ Inlet to
,Fig.
-./@4 ABellows
233BCD8Type
9:2
E91F
'Inlet(
GHIJKLMNO PQRRSPTJPONUPVWUKLXYZP[HXLUOJPH\P]UXNYZLXY^P_ZMLZUUK`a
53'
bHKUIKHcdXOLHZPWYJPTUPWYcUPH\PONL̀PWYOUKLY^PeLONHdOPeKLOOUZPXHZ`UZOPH\PV[]_a 39¢
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
311 323 0314567
ASME B40.100-2005
PRESSURE LIMITER VALVES (B40.6)
ofstructural
ormechanical
!"#loading
$#"%
&
"' +
*}6Setting
911248,Pressure
79//-79iLimiter
2;2197\
0.~9/
must
also
be conValves
5.3
sidered.
#$ $(
+5.3.1
*}*k6Supplier-Recommended
-<<.297J9l3;;94`9`,Procedures.
73l9`-79/*=Supplier
>>#
lim>
$
&
T
$T!
"
#
"
%>
#'
procedures
mustbe
followed
when
setting
pressure
Dampening
)4.5*+,Pulsation/Surge
-./0123456-789:0
;<94248
#iter
?
?(Failure
z# Trecommended
"$ $>
$
valves.
to
follow
procedures
=Some
>pressure
limiter
##?
?#include
"$ fixed
#@$oradjust$A' valves
Presult
#
"$
% tothe
! pressure
> limiter
##?
?Uan"
may
in
damage
valve,
able
&pulsation
>#"and
"$B/orsurge
% $
> "#"%features
to#
"' #inaccurate
dampening
minpressure,
damage
" closing
#"%>
Uand/or
"$B$
% tothe
!
#imize
#C the
! effect
ofspikes
>#DE(see
para.
>(4.7).
F(GH(
#instrument.
" "(
+5.3.2
*}*wJRate
0193ofM,Pressure
79//-79NChange.
R0489*c
#"%>
Closing
pressures
of
)4.6*IJRepeatability
9<9010K2.21L3ofMNClosing
.3/248,Pressure
79//-79
valves
may
vary
with
the
>
#
#
?
?
P?
PT#
!
!
>
'
pressure
limiter
rate
of
prespressure
may
be critical
ORepeatability
> &##Pofclosing
#"%>
P&
###in" sure
!
"
%
(m!
?
!
$&
!
changes.
The ?
valves
should
be setT#
with
a rate
of
some
applications
>>##"and
"$should
!$&
"#$ $(
be considered.
>
change
!"% similar
##to
!T!
#!
! PT#
experi@> #'
pressure
that
which
they
will
ence
4.5).
" #in"actual
field
#$applications
>>##"E(see
para.
>(F
(XH(
)4.7*QJRate
0193ofM,Pressure
79//-79NChange
R0489
+5.3.3
*}*}x9
`2-;*bIfthe
! setting
#"%
$##is$#
"from
Medium.
medium
different
Where
wide
rates
S! T#
$ excursions
@#"#in"
of>pressure
change
!"% the
medium,
it
should
be compatible
with
the
!
>
$#
U#
!
$&
>
#
&
T#
!
!
process
with
minimal
variation
occur
#in"the
! system,
PU$devices
?#T#
!#
"#?
##"of >
medium
and
all
wetted
parts
(see
para.
6.2.5.3).
$#
"
$
T
$>
E
>
(
€
(
p
(
X
(
]H(
process
— T#
closing
#"%>
V
!respect
> to?varying
P#"%rates
ofpres>' m!
pressure
with
or
?
#
!
$&
!
!
>
$#
The $
devices
should
be setT#
with
the
process
medium
be considered.
may
sure
change
!"% —V should
!$&
"#$ $(=Some
$devices
?#
P a medium
of
similar
viscosity.
$#
#
#
?
#
#
P
(
"close
rapidly
>#$P enough
"%!to>
>
'"#"%
not
protect
pressure-sensing
*}*)6Supplier
-<<.297,Preset
79/91Valves.
\0.~9/*Supplier
=>>#>
$devices
?#
preset
#instruments
" "against
%#"spikes.
>#D (W$$#
#"of
"&&
P +5.3.4
Addition
a snubber
may
should
!$!
? the
!
#"%>
carefully
Pchecked.
! D$(The
m!
have
closing
pressures
be
para.
& $desirable
#& E(see
>
(F4.5).
(XH(
pressure
used
by
the
setting
#"%media
$#and
"$rates
of>
change
!"% $&
P
!
may
differ
supplier
>>#
P$#
from
field
#$applications.
>>##"(
)4.8*YZExternal
[19740.Venting
\941248
pressure
valves
may
vent
=Some
>
limiter
##?
?
P?
"#into
"the
! atmo'
Hazardous
process
media
sphere
>! E(see
>para.
(]3.3).
(]H(^
C$>
$#should
!$ I
hZg‚
6 6
SAFETY
& $#
? $to
#& container.
"#" (
be
diverted
a suitable
I6.1*k6Scope
l3<9
)4.9*_6Suspended
-/<94`9`6Solids
3.2̀/
This
m!
#section
#"ofthe
! standard
"$$>
"#
"#"to
presents
information
minimizing
guide
users
and
suppliers
toward
%
#
$
"
$
>>
#
T
$#
"
#
#
C#"%the
! haz!C'
a pressure
valve
may
aDepending
> "$#"%on"$design,
#%"U>
limiter
##?
? P ards
that
could
result
from
misuse
or
misapplication
$
!
$
#
#
>>
#
#
"of
& partially
>#Porcompletely
>P>
%% $&
Psolids
#$#in"the
! >
be
plugged
by
pressure
limiter
valves.
The
user
should
become
familiar
#
#
?
?
(
m!
!
$&
#
#
be advisable
protect
medium.
$#(bIn"these
! cases,
U#itwould
T$&
$?#&to>
T#
!
#
"
!
#
=
"
$
$E
tF
u
(
€
H
>
with
all
sections
of
this
Standard
(B40.6)
as
all
aspects
pressure
a filter,
the
! #instrument
" "and
"$>
limiter
##?valve
? with
T#!
#U ofsafety
cannot
be
covered
in
this
section.
Consult
the
P
"
"
&
?
$#
"
!
#
#
"
(
c
"
!
$#
>!% seal,
Uorsimilar
##accessory.
P(
diaphragm
supplier
for
advice
whenever
there
is
uncertainty
about
>>
#
$
?
#
T!
"
?
!
#
"
#
"
P
&
Care
be used
a diaphragm
c
should
!$&
$#in"the
! application
>>##"of$#
>!% the
!
>
>
#
#
"
(
application.
When
a diaphragm
used,
seal.(S!
"$#
>!%seal#is
$U#itmust
have
!? suffi#'
displacement
cient
#"?Volumetric
#$#
> "tooperate
> the
! #instrument
" " I
General
Discussion
4970.:2
/l-//234
and
"$the
! >pressure
limiter
##?valve.
?(dPressure
limiter
##?valves
? 6.2*wƒ9
from
*w*k,Planning.
.044248*Adequate
W$ y safety
Presults
intelli#"#'
not be used
with
diathat
!?vent"externally
@"Pshould
!$"&
$T#
!$#
' I6.2.1
careful
proper
installation.
%gent"planning,
>""#"%U
selection,
#"Uand
"$>
> #
"#"(
phragm
>!
% seals.
(
The user
should
m!
!$#inform
" the
! supplier
>>#ofallconditions
"$##"
that
>pertinent
#" "tothe
! application
>>##"and
"$environment
"?#" "so
!the
!
+5 eINSTALLATION
f6ghiihgejf
can
make
supplier
>>#
"
D the
! most
suitable
#& recommendation
"$#"
forthe
! application.
>>##"(
+5.1*kNConnections
3449l1234/
Hazardous
I6.2.2
*w*w„0
07`3-/6Systems
L/19;/0and/or
4`537NConditions.
34`21234/*Systems
=P
n78o#
n'1/4F#
The most
connections
are
in.
27
NPT,U
in.
m!
common
"
"
"
#
"
"
(
p
Gqdm
"
(
such
as,
but
not
limited
to,
the
following
are
considered
!
U
&
"
#
#
$
U
!
T#
"
%
"
#$ $
NPT,U
orn
72p #
in.
NPT American
"(n14FqdmW
#"=Standard
"$$external
@" >
n18oqdm
potentially
hazardous
and
must&
be carefully
evaluated:
"
#
P!
C
$
"
$
P
?
$†
pipe
or#internal
""taper
> >#
> threads
!$>perthe
! latest
edition
$##"of ‡(11)ˆ‰
compressed
gas
systems
>$%P
ASME
B1.20.1.
Other
W=
rstn
(pu(n(v
! appropriately
>>>#Psized
#C$connections
"" #" ‡(17)Š‰oxygen
not
@P%"systems
PE(limiter
##valves
??"
recommended)
"$ $H
employing
>P#"%sealing
#"%means
"other
! than
!"tapered
> $threads
!$are ‡(C)‹‰systems
containing
hydrogen
or
free
P
"
#
"#
"%!P
$
%
"
hydrogen
!P$% "
acceptable.
>&(
atoms
and
liquid)
‡(cl)Œ‰corrosive
#? fluid
#$systems
PE(gas
%
"$
#y#$H
Methods
+5.2*wx9
1R3`/3ofMeInstallation
4/10..01234
pressure
‡(6)‰>
systems
Pcontaining
"#"#"%any
"Pexplosive
@>#? or
mixture
medium
& #
@ or
$#
Most
valves
be #
installed
r
>pressure
limiter
##?
?can
"&
"$#in"any
"P flammable
position
systems
P
processes.
>
##"#in"either
#! %gasorliquid
#y#$>
(zFollow
Tsuppli>>#' ‡(f)Ž‰steam
er’s
nonsteady
pressure
{#installation
"#"requirements.
y# "(
‡(g)‰"
"$P>
systems
P
[
|p
92
Mechanical
Engineers.
Copyright
‘
’“”•–—˜©™š2006
››œ™by“™the
˜—ž™ŸAmerican
ž”•¡¢£™¤Society
‘¡•ž˜“™‘of¥™¦ž
¡—¢£•¡¢§™¨£
–•£žž”©ª
No
ASME.
«‘”reproduction
ž’”‘¬­¡˜•‘£™may¢“™bež™made
¢¬ž™‘of¥™˜this
—•©™material
¢˜ž”•¢§™without
®•˜—‘­˜™written
®”•˜˜ž£™¡consent
‘£©ž£˜™‘of¥™Ÿ¤
¦¨ª
0PRESSURE
12334125LIMITER
6768219
5923(B40.6)
VALVES
372 ASME B40.100-2005
(11)systems
!"!interchangeability
"#$"%$&!'!(of)*pressure
+ (l7)Ust
uvYlTmnoQFailure
$!'+(occurs
##+
"the
"
("$''!#(or
when
nonmetallic
wherein
Nonmetals.
'limiter
!! valves
,$',#could
(+'-result
+'!in"
$
.
$
-(
+
!
"
"
$
'
#
(
"
$
/
'
$
(
!
#*
$
'
'
0
$
-
"
0#
$
#
1
0-!
(',0(or fail
)$!'
elastomeric parts swell, harden, crack, dissolve,
hazardous internal contamby
present
where
pressure
devices
!ination,
"$!("0(or 'lower
( working
(1!"%*
+-
,!##could
(+'- through
(+%$attack
$#1&
#chemicals
!#$'*
"!in"the
*
(#
process
environment.
higher
&!installed
"$''-!in"
!% *pressure
+systems
-!+(or the
",!(""FFailure
Q$!'+$
(occur
##+ $as'
$1/
medium
may
leakbe
$
%
0
!
*
(
*
(
"
(
+
(
)
)
0
&
'
(
#
1
$
%
(
)*
+
$"/
(1')2systems
#containing
("$!"!"%radioactive
$-!($#!,(or toxic
(3!#)fluids
'+!-4(liq'!5/ age, improper or no shutoff, blockage of pressure trans!
!
(
"
(
!
"
+
"
0
(
+
#
+
$
')
$
!
'
+
F
mission to the instrument, or structural failure.
uids
+!
-(or %gases)
$6
(j)7systems
!installed
"$''-!in"$
$.$-(+environment
",!(""
a hazardous
89
:9\9HMExplosive
wxKJP>cA]Failure.
D>K@^A9y3
*'(!,)
$!'+ !
6.2.5.4
Explosive
failure
is
caused
by
the
energy
generated
by
#
$
+
-&
'
$
(
)
3
*'
(
!
,
"
%
%
"
$
-&
release
of
explosive
pressure
86.2.3
9:9;<=
>?@ABA
C>D9E
"*
+'limiter
!! ,valves
$',
Unique
Media.
When
$#
!
#
$
'
$
#
!
(
"
FG
!
%
"
$
'
'
$
#
#
*
-
$
a
chemical
reaction.
It
is
generally
accepted
that
there
$areto(&
-!in"#contact
("$#!
-!$having
$,!"%1known
"("(or $"(1"("$"()*-!#!"%$%"!+-(
be+
used
with
media
uncertain
beradioactive,
+"
#$!"#corrosive
( (!,effects
))#(or 1known
"("to(&
$-!($#!,0 are no known means of predicting the magnitude or
))#(of)this
!type
*(
$!'+F
of))
failure.
random
$"-((or +"
!5+-
+#!,*
"("$#can
$"(occur.
##+FGIn" effects
unique
destructive
phenomena
such
+##cases,
$0the
+
should
(+'-$always
'$)furnish
+"!the
supplier
+**'! 8
user
A@PAJofNePressure
^APP@^A{Limiter
>j>LA^I
DKcAP
Reuse
Valves
with
!
!information
")($!("relative
'$!,to(the
$application
**'!#$!("$and
"-solicit
('!#! 6.39;z
his
device.
!$advice
-,!#*prior
!( to(!installation
"$''$!("(of)the
-
,!#F
GIt!is"
(recommended
#("--
$pressure
*+'
!! valves
,$',&
not
that
limiter
be
moved
from
one
application
to
another.
Should
it
be
(
,
-)
(
(
"
$
**'
!
#
$
!
(
"
($
"
(
Fa
(
+
'
-!
&
Violent
within
86.2.4
9:9HI
>JKA=LMEffects.
NNAOLP9QFire
!$and
"-explosions
3*'(!("!
!"$a necessary,
"
#
$
0
$
'
'
%
+!
-
'
!
"
#
(
,
-!
"
!
a
$
"
-$
-4
|}
~
F

6
all
guidelines
covered
in
this
Standard
(B40.6)
with
very
violent
*
+system
#can
$"#cause
$+)failure
$!'+ !
,
,!
('" relative
pressure
'
$
!
,
($
**'
!
#
$
!
(
"
(
+'
-&
)
(
'
'
(
-!
"
$
to
applications
should
be
followed
in
the
same
effects.
))#FQ$
!'+ !in"$#
(* -%gas$system
#can
$"&
Failure
a compressed
be
manner
when
a new
device
"" $as
"$"
-
,!#!isselected.
'#-FInG"$addition,
--!!("0
Violent
may
expected
3*#-to(*produce
(-+#,violent
!('"effects.
))#FR!
('"effects
))#$
$
the
following
should
be
considered.
)
(
'
'
(
!
"
%
(
+'
-&
#
(
"
!
-
-F
be#
caused
by
including,
not
$also
'(&
$+-&
(other
)failures
$!'+!
"#'+-!"%0but
&+"
('lim!/
!ited
-to,(0the
)following:
(''(!"%S
consequences
86.3.1
9;9_hChemical
iAj>ODK€Incompatibility.
=OJjxDL>>K>L‚9The
g#
("5+"#(of)
hydrogen
(a)T
-(%"embrittlement
&!'"
to(
explo!incompatibility
"#(*$!&!'!#can
$"range
$"%)from
(#contamination
("$!"$!("
3*'(/
(b)U#contamination
("$!"$!("(of)$#
(*-%gas$
a compressed
sive
!,)failure.
$!'+F
(C)V)formation
($!("(of)$acetylides
#'!-
86.3.2
9;9:hCorrosion/Chemical
J^^JP>J=ƒhiAj>ODK„
LLDO9Corrosion
p( (!("$
"-†(
Attack.
and/or
weakening
(d)W
$1"!"%(of)soft-soldered
()/('--X
(!"&
steam
$ (or #chemical
joints
by
!
#
$
'$
$
#
1(
-
,
!
#
!
"
)
!
!
"
$
'
'$!("
attack
of)
the
device
in
the
first
installation
(other
heat
$sources
(+#
may
be
sufficient
to(#
cause
early
failure
in
the
second
$
&
+)
)
!
#
!
"
$
+
$
'
)
$
!
'
+
!
"
#("weakening
(6)Y
$1"!"%(of)soft-soldered
()/('--(or silver-brazed
!',/&$.-X(oints
!" !installation.
"
$
'
'
$
!
(
"
F
#caused
$+-&
heat
$sources
(+#such
+#$as)fires
!
by
(f)Z#corrosion
( (!("
(g)[)fatigue
$!%+
TESTING
‡7 ˆ
M‰ˆ€Š‹
mechanical
(h)
#$"!#$'shock
(#1
General
‡7.19_‹A
=A^DK
(1')2excessive
3#!,,vibration
!&$!("
a compressed
be
expected
QFailure
$!'+!in"$#
(*-%gas$system
#can
$"&
3*#- Œ)
+"#!("$'test
!in"the
)
!'-$application
**'!#$!("!
&
A functional
field
is
the
best
violent
to(*produce
(-+#,
!('"effects.
))#F
method.
testing
is!
impractical,
a test
protesting
!"%
(-FGIf))field
!'-
!"%!
*$#!#$'0$
*
(/
to
field
conditions,
(i.e.,
process
media,
rate
#
+
#
'
(
()
!
'
-#
(
"
-!
!
(
"
0
4
!
F
F
0
*
(
#
-!
$
0
$
cedure
close
Modes
86.2.5
9:9\BJ
CAPJofN]Failure
D>K@^A
(of)*
+#change,
$"%0temperature,
*$+0$and
"-*
+#cycles)
#'6
pressure
pressure
86.2.5.1
9:9\9_]Fatigue
DL>`@A]Failure.
D>K@^A9QFatigue
$!%+)failure
$!'+(of)
$''!# should
metallic
be-
designed.
follow
the
(+'-&
!%"-FAlways
Œ'$)
(''(
supplier
+**'!’srecom#(/
parts
by
pressure-induced
*$
#caused
$+-&
*
+/!"-+#-stress
%generally
"$''(occurs
##+ mended
procedures
"--*
(#-+)for( installation
!"$''$!("$and
"-$adjustment
-X+"dur-+/
a highly
)from
( the
!inside
"!-to(the
(outside
+!-$along
'("%$
!%'stressed
- !ing
product
comparison
"%$any
"*
(-+#testing.
!"%FGIf)#
(*$!("tests
$are
with
$area.
$FaSuch
+#)failures
$!'+$are+usually
+$''(
!!#$'!
#com(/ performed,
more#
critical
it!
is!
imperative
pressure
*)(-0!
*$!,that
$each
$#*
+'limiter
!!
pressed
media
with
media.
*
-%gas$
-!$than
$"!
'liquid
!5+!-
-!$F
valve
be
tested
with
the
media,
,$',&
-!
same
$
-!$0pressures,
*+0tempera*$/
pressure
+0$and
"-rates
$(of)*
+#change.
$"%F
Over-Pressure
Over—pressure
failure
86.2.5.2
9:9\9:bc
A^de^APP@^A]Failure.
D>K@^A9f,
/*+)
$!'+ tures,
by
pressure
!is#caused
$+-&
the
$application
**'!#$!("(of)!internal
""$'*
+%greater
$ ‡
Warning
^=>=`
pressure
than
$"the
rated
$-'limits
!!(of)the
*
+'limiter
!! valve
,$',$and
"- 7.29:ŽD
pressure
testing
unpredictable
QFailures
$!'+-during
+!"%*
+
!"%$are+"
*-!#$&'$and
"when
a lower
device
#can
$"(occur
##+ "$'
( *pressure
+rated
$--
,!#!is!installed
"$''- $
may
cause
parts
to
be
propelled
in
any
direction.
All
#
$
+
*
$
(&
*
(
*
'
'
-!
"$
"
-!
#
!
(
"
FŒ'
'
a high
port(
or system.
The
effects
!in"$
!%*pressure
+*(
Fg
))#(of)(over,/ pressure
testing
should
be
conducted
by
qualified
per*
+
!
"
%
(
+
'
-&
#
(
"
+#
-&
5
+$
'
!
)
!
-*
/
pressure
more#
critical
*
+)failure,
$!'+0+usually
+$''(
!!#$'in!"#compressed
(*-%gas$ sonnel
using
(""'+
!"%$appropriate
**(*!$safety
$)equipment,
5+!*"0such
+#$as
unpredictable.
systems
than
$"!in"'liquid-filled
!5+!-/)!''-systems,
0$are+"
*-!#$&'F safety
a combination
$)%glasses,
'$0shields,
!'-0enclosures,
"#'(+0(or $#
(&!"$!("
86.2.5.3
9:9\9;hChemical
iAj>ODK]Failures
D>K@^AP
prevent
property
damage.
thereof,
()0to(*
,"personal
*("$'!injury
"X+$and
"-*
(*-$
$%F
Corrosion
when
metallic
(I1)TkY
lTmnop(
(!(")failure
$!'+(occurs
##+
"the
$''!# 
Metals.
Hydraulic
media
is*
preferred
particularly
-$+'!#
-!$!
) -)for( testing,
!"%0*$
!#+'$'
parts
have
been
*$
$,&
"$attacked
$#1-either
! by
&the
electrolytic
'#('!#$action
#!(" -
destructive
testing,
the
potential
of)
hazardous
+#!,
!"%0because
&#$+
*
("!$'(
$.$-(+
with
hydraulic
media
is'
less
with
pneumatic
dissimilar
metals
present
$!'+!
-$+'!#
-!$!
than
$"!
*"
+$!#
(of)-!
!!'$ $'(or by
&#chemicals
!#$'*
"!in"either
! )failure
This
may
media.
Read
6 of)
this
before
process
medium
-!$F
$-section
#!("(
!aStandard
$"-$-&
)(#conducting
("-+#!"%
the
*
(#
-!+(or the
environment.
",!(""Fg
!$
result
+' malfunction,
$any
"testing.
!"%F
!in"'leakage,
$1$%0$
')+"#!("0(or structural
+#+$')failure.
$!'+F
[
q93r
‘’“”•–—˜™ š›œœšž”š™˜Ÿš¡Ÿ•–¢£¤š¥’¢–Ÿ™”š’¦š§Ÿ¢˜£¤–¢£¨š©¤—–¤ŸŸ•ª«
¬’•Ÿ“•’­®¢™–’¤š¡£”šžŸš¡£­Ÿš’¦š™˜–ªš¡£™Ÿ•–£¨š¯–™˜’®™š¯•–™™Ÿ¤š¢’¤ªŸ¤™š’¦š¥§©«
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
311 323 0314567
ASME B40.100-2005
PRESSURE LIMITER VALVES (B40.6)
7.3Evaluation
!"Procedures
#$%&#%'
7.3.1
G.5a"Proof
# N"Pressure
#%''#%I
%'Apply
())52*
49+3)
*..<pres)*+,?
Test.
rated
proof
,
*
+0
1
2
3*
4
-5
6
/)*
+
<
+
*
*
+
3V,
+
+)4
*
4
>[
>
\
:9
.9
1
+3+
=6/+
sure (hydraulic preferred, see para. 7.2) to the device
(A )pressure
*+,,-*+,source
.-*/+0(hydraulic
123*4-56/.or*)7
+-8496/:,should
1.-53 4and
pneumatic)
maintain
for
1 min.
Release
pressure
the
7384
679467<
.*]86
7>Q+
5+4,+)
*+,,-*+4and
73*retest
+9+,99
1+
;+)*
.)+*52/connected
.77+/9+39to.9the
1+6inlet
75+9).
*9.of<9the
1+)*
+,,-*+ =valve’s
be
properly
port
pressure
performance.
4
5
=
+
C
,)
+
*
<
.
*
84
7
/
+
>
A pressure-indicating
5limiter
6869+*=valve.
45=+>()
*+,,-*+?6736/4967@6instrument
7,9*-8+79.of<,suit-69?
4able
;5+*range
47@+,should
1.-53;
.)+*52/connected
.77+/9+39to.9the
1+.outlet
-95+9 bcAdeA1
be+)*
properly
6,9test
+,9,should
1.-537
.9be
;+/
.73-/9+3*
+)+49+352.
79the1+,
48+
NOTE: This
not
conducted
repeatedly
on
same
).*9.of<9the
1+)*
+,,-*+5limiter
6869+*=valve.
45=+>A1
*+,,-*+5limiter
6869+* )pressure
*+,,-*+5limiter
6869+*=
45=+>
port
pressure
The+)
pressure
valve.
valve
be adjusted
per*9
the
=45=+,should
1.-53;+4
3B-,9+3)+
1+,supplier's
-))56+*C,*recom+/.8? 7.3.2
Destructive
Rf%
'#$%I
%''
Tests
8+
73+3)procedures.
*./+3-*+,>()
)526increasing
7/*+4,67@)*
+,,-*+9to.9the
1+
mended
Apply
pressure
6inlet
75+9)port
.*99to.9the
1+84
D68-8+expected
D)+/9+3,system
2,9+8)*
+,,-*+4and
73
maximum
pressure
Burst
Pressure
Test.
())52)*
+,,-*+
RGg
#'"#
%''#%I
%'Apply
pressure
7.3.2.1
pressure-indicating
*record
+/.*39the
1+/closing
5.,67@)
*+,,-*+<from
*.89the
1+)*
+,,-*+?6736/4967@ 0(hydraulic
pressure
1
2
3*
4
-5
6
/)*
+
<
+
*
*
+
3V
,
+
+)
4
*
4
>
[
>
\
:
9
1
+6
7
5
+
9
4
7
3.
-95+9
preferred,
see
para.
7.2)
to.9
the
inlet
and
outlet
6instrument.
7,9*-8+79>E+
79.or**release
+5+4,+9the
1+)*
+,,-*+4at99the
1+6inlet
75+9).
*9 ).
Vent
pressure
port
*9,.of<9
1+)*
+,,-*+5
6869+*valve.
=45=+>A1
*+,,-*+4at9which
F16/1
ports
the
pressure
limiter
The+)
pressure
4and
73*record
+/.*39the
1+*reopening
+.)+767@)*
+,,-*+>A1
6,)pressure
*+,,-*+/cycle
2/5+ the
pressure.
This
will
no.5
longer
hold
pressure
burst
1+4assembly
,,+8;52F6
557
.7@+*1
.53)*
+,,-*+6is,9the
1+;
-*,9
,should
1.-539then
1+7;
+)+49+3F6
91.-94adjusting
3B-,967@9the
1+)pressure
*+,,-*+ 9
be+*
repeated
without
pressure.
)*
+
,
,
*
+
>
5limiter
6869+*=valve.
45=+>
Rupture
Pressure
Test.
Apply
pressure
7.3.2.2
RRJ
K#%"#
%''#%I
%'())5
2)*
+,,-*+
7.3.1
GHNondestructive
!&%'#$%ITests
%''
para.
to.9
the
inlet
port
of<
0(hydraulic
123*4-56/)preferred,
*+<+**+3V,see++)
4*4>[7.2)
>\:9
1+6
75+9)
.*9.
9
1
+)
*
+
,
,
-*
+5
6
86
9
+
*=
4
5
=
+
V/
5
.
,
6
7
@9
1
+,
+
4
5
6
7
@8+
/
1
4?
the
pressure
limiter
valve,
closing
the
sealing
mechaRepeat7.3.1.1
GGJRepeatability
%K%LMofNOClosing
'!P"Pressure.
#%''#%Q+
)+49? 7nism.
6
,
8>A1
+)*
+
,
,
*
+4
9F1
6
/
19
1
+3+
=
6
/
+<
4
6
5
,9
.5
6
86
9
The
pressure
at
which
the
device
fails
to
limit
4ability
;65692/can
47;
9+*867+3<from
*.89the
1+34
94.obtained
;9467+36
79two
F. )*
be+3+
determined
data
in
from
the
inlet
port
to
the
outlet
port
is
the
+
,
,
*
+<
*
.
8
9
1
+6
7
5
+
9).
*
99
.9
1
+.
-9
5
+
9)
.
*
96
,9
1
+
pressure
.or*8.
*+)*
+,,-*+/cycles.
2/5+,>
more
pressure
-)9-*+)*
+,,-*+>
pressure.
7.3.1.2
GRJReopening
%K%!!P"Pressure.
#%''#%Q+
.)+767@)*
+,,-*+6is, *rupture
Reopening
pressure
Desired
pressure
valve
per7.3.2.3
RhFatigue.
P%i+
,6*+3)*
+,,-*+5limiter
6869+*=
45=+)+
*?
3+
9+*867+3;
24averaging
=+*4@67@9the
1+34
94.obtained
;9467+36in79two
F..or* <formance
determined
by
data
.*847/+0(see
,++)4
*4>[7.3.1)
>j>]:,should
1.-53;
+,9+3>The
A1+3+
=6/+
para.
be+9
tested.
device
more
pressure
The+*
reopening
pressure
percent8.
*+)*
+,,-*+/cycles.
2/5+,>A1
+.)+767@)*
+,,-*+)+
*/+79? ,should
1.-539then
1+7;
-;B+/9+39
+)+49+3)*
+,,-*+/cycles
2/5+,
be+,
subjected
to.*
repeated
pressure
below
pressure
may
4age@+;
+5.F /closing
5.,67@)*
+,,-*+84
2/change
147@+4as,9the
1+/closing
5.,67@ 0(hydraulic
preferred,
para.
maximum
pres123*4-56/)*
+<+**+3V,see++)4
*4>[7.2).
>\:>The
A1+84
D68-8)*
+,?
)*
+,,-*+6is,/changed.
147@+3>
pressure
sure
be+\
25%
pressure,
-*+,should
1.-53;
kl4above
;.=+9the
1+/closing
5.,67@)*
+,,-*+Vand
4739the
1+
The+)*
pressure
valve
be+4
adjusted
A1
+,,-*+5limiter
6869+*=
45=+,should
1.-53;
3B-,9+34and
739the
1+ ,
minimum
pressure
768-8)
*+,,-*+,should
1.-53;
kl;
+5.F9the1+*
+.)+767@
be+\
25%
below
reopening
determine
)*+,,-*+/cycle
2/5+*repeated
+)+49+39to.3+
9+*867+4any
72/changes
147@+,6in7 86
pressure
pressure
a rate
Hz to.m
0.6
Hz (18
cpm
to.j
36p/
cpm).
+,,-*+4at94*
49+.of<m0.3>jno9
>pno0
]q/
)89
)8:>
*reopening
+.)+767@)pressure
*+,,-*+)percentage
+*/+794@+=
+*,-,/closing
5.,67@)*
+,,-*+> )*
versus
pressure.
In
order
to
prevent
subjecting
the
device
to.)
r
7.
*
3+
*9
.)
*
+
=
+
7
9,
-;
B
+
/
9
6
7
@9
1
+3+
=
6
/
+9
*
+
,
,-*+
pressure
Versus
7.3.1.3
GOClosing
'!P"Pressure
#%''#%S
%#''JRate
%ofN"Pressure
#%''#% ,spikes,
)
6
s
+
,
V9
1
+4
))5
6
/
4
9
6
.
74
7
3*
+
5
+
4
,
+.
+
,
,
*
+,
1
4
5
5;
the
application
and
release
of<)*
pressure
shall
be+
The+/
closing
may
5.,67@)pressure
*+,,-*+84
2/change
147@+4as,9the
1+*rate
49+.of< 4as,,smooth
OChange.
T!P%A1
as,)*
practical.
The
closing
pressure
of<9
the
valve
8.
.
9
14
4
/
9
6
/
4
5
>
A1
+/
5
.
,
6
7
@)
*
+
,
,
-*
+.
1
+=
4
5
=+
)*
+,,-*+/change
147@+=varies.
4*6+,>U6
91.-9*readjusting
+43B-,967@9the
1+=
45=+V ,should
pressure
Without
valve,
be+k
50%
of<9
the
range
of<9
the
instrument
in
the
1
.
-5
3;
m
l
.
1
+*
4
7
@
+.
1
+6
7
,
9
*
-8+
7
96
79
1
+
be+4
altered
9the
1+*rate
49+.of<)pressure
*+,,-*+/change
147@+,should
1.-53;
59+*+3<for.*,several
+=+*45 .outlet
9
5
+
9)
.
*
9
>
port.
determine
variation
)*+,,-*+/cycles
2/5+,9to.3+
9+*867+9the
1+=
4*6496.7.of<9the
1+/closing
5.,67@ (<
pressure
After
the
desired
number
9+*9
1+3+
,6*+37
-8;+*.of<pressure
)*+,,-*+/cycles,
2/5+,Vretest
*+9+,9the
91+
)*
+,,-*+4as,9the
1+*rate
49+.of<)pressure
*+,,-*+/change
147@+=varies.
4*6+,>
pressure
not
less
1 hr*4
after
pressure
3+
=6/+7
.95
+,,9than
147]1
<9+*,stopping
9.))67@9the
1+)
*+,,-*+
device
cycling.
The+<
fatigue
is,9
the
number
of</
2/567@>A1
496@-+5life
6<+6
1+7
-8;+*.
2/5+,/com.8?
cycles
Over-Range
a given
7.3.1.4
GWX
%#YJ!P%"Pressure
#%''#%ITest.
%'ZFor.*4@
6=+7/clos5.,? /pleted
perform
before
the
pressure
limiter
valve
fails
+9+3;
+<.*+9
1+)
*+,,-*+5
6869+*=
45=+<
465,9to.)
+*<.*8
pressure,
pressure
6ing
7@)*
+,,-*+V4apply
))529the
1+*rated
49+3.over-range
=+*?*47@+)*
+,,-*+ )5
79+73+3<function.
-7/96.7>
0(hydraulic
123*4-56/)*
+<+**+3V,see++)
4*4>[7.2)
>\:9to.9the
1+)*
+,,-*+5limiter
6869+* 6its9,6intended
preferred,
para.
pressure
valve
maintain
1 min.
Release
pressure
=45=+6inlet
75+94and
7384
679467<for.*]86
7>Q+
5+4,+)*
+,,-*+4and
73 NOTE: These
are
applicable
new
limiter
+,+9tests
+,9,4
*+4
))56/4;5+.only
7529to.7+
F pressure
)*+,,-*+5
6869+*
verify
degradation
performance
*retest
+9+,99the
1+=valve
45=+9to.=
+*6<27no.3+
@*43496.76in7)+
*<.*847/+ bcAdeA1
new
valve
be+-,
used
Tested
=valves.
45=+,>A(7+
F=
45=+,should
1.-53;
+3<for.*+each
4/19test.
+,9>A
+,9+33+
=6/+,
devices
not
be+)
put
into
1.-537
.9;
-96
79.,service.
+*=6/+>
14,.occurred.
//-**+3>^.
*+9than
147.one
7+/cycle
2/5+84
2;
,6*+3> ,should
has
More
may
be+3+
desired.
[
_`
94
American
Mechanical
Engineers.
Copyright
tu
vwxyz{|©}~2006
€}byw}the
|{‚}ƒ„‚
xy†‡}ˆSociety
uy‚|w}uof‰}Š‚
{†‡y†‹}Œ‡
zy‡‚‚xŽ
No
material
ASME.
uxreproduction
‚vxu‘|yu‡}may
„†w}be‚}made
„†‚}uof‰}|this
{y}„†
|‚xy†‹}without
’y|{u‘|}written
’xy||‚‡}consent
u‡‚‡|}uof‰}ƒˆ
ŠŒŽ
01234567866966
ASME B40.100-2005
ASME B40.7
1 Scope
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Definitions
2 Terminology
!"#$%&and
"'(
)!"!*!"+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
,3 -
"&#.Recommendations
"'&*!"+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
General
4 Safety
&)*%.Recommendations
"'&*!"+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . /10301
25 3Cleanliness
#&"#!"++ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . /1060
46 Test
+*5Procedures
'6+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . /1060
7 .Reference
)"(
6 "*+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. /10807
Documents
8Figure
!$6
Accuracy
/1 9:
:;<=:>. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . /1020?
Tables
&@#+
Mounting
Dimensions
/1 AB
;CDEFlush/
F;GHIJSurface
;<K=:LMB
;CNOCPQO
RLCGOBCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . /10000
Round
Dimensions
Equivalent)
?2 AB
;CDEFlush/
F;GHIJSurface
;<K=:LMB
;CNOCPQO
RLCGOBCGS(DIN
QTUVW
;OX=FLCNY. . . . . . . . . . . . . . . . . . . . . . /1010/
Round
Mounting
Rectangular
Case
Dimensions
Equivalent)
13 AL
:N=CP;F=<Z=
GLQO
RLCGOBCGS(DIN
QTUVW
;OX=FLCNY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . /1010/
Levels
[ ZF
L=CFOCLGG\L
XLFG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . /1060
4
Cleanliness
Amplitudes
]5 ^O
_<=NOBC`Test
LGN9Ra
FON;DLG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . /10807
Vibration
]
95
bcdefghij klmmnkoekjipkqrpfgstukvcsgpjekcwkxpsitugstykzuhguppf{| 39%
}cfpdfc~sjgcukrtekopkrt~pkcwkjig{krtjpfgtyk€gjicjk€fgjjpukscu{pujkcwkqvxz| 53
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
ASME B40.100-2005
GAUGES: PRESSURE DIGITAL INDICATING
1 SCOPE
>l?rE\DFGE@@CGEH00FGE@@CGEI>l?rE\D*
>GH"70
!%-5%
03%03#
!0equivalent
s3N"20#!!to."approximately
55%.T7"!028
a metric
pressure
unit
This
digital
Standard
!"#$"%$&(B407)
'()*+,is-confined
.#/#0$!to.$
1!"21gauges
"310 ?bar:
(*g)5
*
psi.
with
4
!integral
#!01%"25
%03%0!transducers,
%"#$3-0%64
-%respond
05.#$!to. W14.50
pressure
which
5%03%0"and
#$indicate
#$-"!0#
370%-"228*
pressure
numerically.
calibration:
>Br?G>DrA\H!the
05%
.-0.of/"adjustment
$m3!70#!!to.-cause
"30!
01gauge
"310
process
the
does
not
panel
meters
with
mounted
9It!$.
0#
.!include
#-23$05"
#0270
!0%4
!%remote
07.!07.
3#!0$ K
!
.
#
$
"
!
04
!
#
50
/
0
$"
3%
"
82
7
!
*
to
indicate
within
specified
accuracy
limits.
!transducers,
%"#$3-0%6#.
##$-"!#15%
03%0!transmitters,
%"#7!!0%6.or% Kcalibration
nonindicating
pressure
verification:
a gauge
by
>Br?G>DrA\t
EGr[rK>DrA\H!the
0-checking
0-u#1.of/"1
"310P
8-com.7R
5%03%0switches.
4!-0*
pressure
parison
with
a given
determine
indica5"
%.#4
!"1
N0#standard
!"#$"%$!to.$0
!0%7#0!the
0
#$-"R
!tion
.#0error
%%.%"at!specified
50-/0$5.
#!*
points.
DEFINITIONS
:2 TERMINOLOGY
; <AND
=
Kcase:
>@EH!the
0
.3#1.or%-container
.#!"#0%!
"!supports,
355.%!65
%.!0-!6
housing
that
protects,
internals.
"and
#$surrounds
3%%.3#$!the
0
#!0%#"2*
absolute
pressure:
pressure,
>?@ABCDEF
GE@@CGEHsee00F
GE@@CGEIabsolute.
>?@ABCDE*
a case
ambient
Kcase,
>@EIsealed:
@E>BEjH""0!that
"!issealed
0"20$!to.0exclude
T-23$0"
7P0#!-corro.%%.R
>?@ABCDEF
GE@@CGEJ
>CJEHsee00J
>CJEIabsolute
>?@ABCDEF
GE@@CGE*
absolute
pressure
gauge:
gauge,
pressure.
N
0
*
sives.
>KKCG>KLH!the
0-conformity
.#/.%7!8.of/"an#instrument's
#!%370#!M
#$-"!.#!to.
accuracy:
indication
AlFAC\jJ
>CJEHsee00J
>CJEIcompound.
KAlFAC\j*
gauge:
gauge,
value.
Accuracy
"an#"accepted
--05!0$standard
!"#$"%$.or%!true
%30N
"230*O-3%"-8is!the
0 Kcompound
difference
between
value,
$
//0%0#-0&(error)
0%%.%,P
0!400#!the
0!true
%30N
"2306QT,6"and
#$indi#$R conditions,
environmental:
the
the
A\jrDrA\@IE
\trGA\lE\D>BH!
0-conditions
.#$!.#0external
T!0%#"2!to.!
0
-cated
"!0$Nvalue,
"2306SI,60expressed
T5%00$"as0either
!0%"50
%-0#!.of/%reading
0"$#1 K
a percent
gauge,
including
temperature,
humidity,
salt
spray,
1
"
310
6
#2
3$
#1!
0
750
%
"
!
3%
0
637
$
!
8
6
"
2
!
5%
"
86
.or%.of/span.
5"#*
Nvibration,
P%"!.#6shock,
.-u6-corrosive
.%%.N0"atmosphere,
!7.50%06"and
#$.
!0%simi7R
other
could
the
performance
the
2lar"%-conditions
.#$!.#!that
"!.32$"affect
//0-!!
05
0%/.%7"#-0.of/!
0
S QX W100))
% Accuracy
based
UO-3%"-8P
"0$.on#%reading
0"$#1V= %
gauge.
1
"
3
1
0
*
Q
limits
of/!
the
environKconditions,
A\jrDrA\@IEextreme
vDGElEAoperating:
FEG>Dr\JH!the
02
7!.
00
#N%.#R
IS— Q
T
UO-3%"-8P
"0$.on#span
5"#V= T
)
)
% Accuracy
based
X W
100
within
which
the
instrument
70
#
!
"
2
.
#
$
!
.
#
4
!
#4
!
0
#
!
%
370
#
!7"
8P
mental
conditions
may
be0
X
.operated.
50%"!0$*
where
4
0%0
environmental
condiKconditions,
A\jrDrA\@I\normal
AGl>BAoperating:
FEG>Dr\JH!the
00
#N%.#70#!"2.#$R
I = indicated
value
SV
#$-"!0$N
"230&(indication)
#$-"!.#,
tions
in
!
.
#
#4
!
0
!
"
!
0
$"
3%
"
8"
5
5
2
0
*
which
the
stated
accuracy
applies.
XV
5"#Nvalue
"230
S = span
is"
algebraically
an
Kcorrection:
AGGEKDrA\H!the
0squantity
3"#!!8!that
"!
210P%"-"228"added
$$0$!to."
#
T
QV= !true
%30Nvalue
"230&(pressure
5%03%0standard)
!"#$"%$,
value
the
value.
The0"
algebraic
indicated
#$-"!0$N
"230!to..obtain
P!"#!
0!true
%30N
"230*
210P%"error.
1#.of/!the
0-correction
.%%0-!.#is.opposite
55.!0!
0sign
1#.of/!the
00
%%.%*
to.!
the
Accuracy
method,
O-3%"-8includes
#-23$0!the
0-combined
.7P#0$0effects
//0-!.of/70
!.$6 sign
Accuracy
.observer,
P0%N0%6"apparatus,
55"%"!36"and
#$0environment.
#N%.#70#!*O-3%"-80error
%%.% corrosion
failure:
failure,
AGGA@rA\[
>rBCGEHsee00[
>rBCGEIKcorrosion.
AGGA@rA\*
includes
#-23$0
8!0%062linearity,
#0"%!86"and
#$%repeatability
050"!"P2!80error.
%%.%*9It! K
hysteresis,
window.
GL@D>BHsee00wr
\jAw*
determined
paras.
is$0
!0%7#0$3under
#$0%specific
50-/--conditions
.#$!.#&(see
005"
%"*Y3.7.1
*+*W Kcrystal:
weight
a pressure
testing
device
by
which
very
jdead
E>jwE
rJxDDtester:
E@DEGH"5
%03%0!
0!#1$0
N-0P
84
-N
0%8
"and
#$Y3.8.3).
*Z*Y,*
accurate
known
pressures
can
be
generated
by
means
of/
"
3
%
"
!
0u
#
.
4#5
%
0
3%
0
"
#P
01
0
#
0
%
"
!
0
$P
870
"
#
.
accuracy,
a gauge
under
>KKCG>KLIGreference:
E[EGE\KEH!the
0"accuracy
--3%"-8.of/"1
"3103#
$0%%refer0/0%R "5%
a
pressure
source
and
a
piston
gage.
0
3
%
0
.
3%
0"
#
$"5
!
.
#1
"
1
0
*
: 1°C
0ence
#-0-conditions
.#$!.#][normal
#.%7"25position
.!.#"at!23°C
^Y_`aW
_`&(approxi"55%.TR
: 2°F
29.92
in.
Hg (30.32
mately
E+5 Pa), j
7"
!028+73°F
Y_ba^
_b"and
#$^
c*c^
#*d1&
Y)*Y^efgh"
drift:
a progressive
indication
with
Gr[DH"5%
.1%0N0-change
"#10in#
#$-"!.#4
!-constant
.#!"#!
barometric
pressure].
P"%.70!%-5%
03%0i*
pressure,
under
environmental
"applied
5520$5
%03%063#
$0%!the
0same
"700
#N%.#70#!"2-condi.#$R
tions.
It
is
usually
expressed
as
a
percentage
of
span
or%
!
.
#
*
9
!
3
3"
2
2
80
T
5%
0
0
$"
"5
0
%
0
#
!
"
1
0.
/
5"
#.
adjustment,
increasing
decreasing
>jkC@DlE\DI@span:
F>\H"an#"adjustment
$m3!70#!
#-%0"#1.or%$0
-%0"#1 %reading
per
unit
of
time
(see
para.
3.7.3.6).
0
"
$
#
150
%3#
!.
/!
70&
0
05"
%
"
*
Y
*
+
*
Y
*
q
,
*
difference
between
!the
0!total
.!"2span
5"#.or%"algebraic
210P%"-$
//0%0#-0P
0!400#!the
02lower
.40%
upper%2
limits
Adjustments
be0 E
"and
#$3550
7!.of/!the
01gauge.
"310*O$m
3!70#!-can
"#P
electromagnetic
BEKDGAl>J\EDrKrinterference
\DEG[EGE\KEy(EMI):
z{S|Hsee00rinterference,
\DEG[EGE\KEIEelectroBEKDGA}
by
mechanical
Micro"accomplished
--.7520$P
80electronic
20-!%.#-.or%70
-"#-"2means.
70"#*n
-%.R l>
magnetic.
J\EDrK*
may
perform
processor-based
5%.-0.%RP"0$1gauges
"3107"
8"automatically
3!.7"!-"2285
0%/.%7!this
Eelement,
elastic:
component
of/!
the
pressure
BElE\DIE
B>@DrKH!the
00elastic
2"!-.75.#0#!.
05%
03%0
/function.
3#-!.#*
element
assembly
that
moves
in
response
to.5%
pressure
0
2
0
70
#
!"
0
7P
2
8!
"
!7.
N
0
#%
0
5.
#
0!
0
3%0
adjustment,
a means
a change
indica>jkC@DlE\DIzero:
oEGAH"70
"#.of/-causing
"3#1""#10in#
#$-"R -changes.
"
#
1
0
*
a given
point,
usually
This
!tion
.#"at!"1
N0#5.
#!63
3"228pzero
0%.&(0).
),*
"adjustment,
$m3!70#!6 Eenvironmental
conditions:
conditions,
A\jrDrA\@Hsee00K
A\jrDrA\@Ienvironmental.
E\trGA\lE\D>B*
provided,
user
para.
if/5%
.N$0$6is1generally
0#0%"228"accessible
--0P20!to.!the
03
0%&(see
005
"%"* \trGA\lE\D>BK
Microprocessor—based
difference
between
the
indicated
value
and
the
may
GGAGH!the
0$
//0%0#-0P
0!400#!
0
#$-"!0$N
"230"
#$!
0
Y3.7.3.8).
*+*Y*Z,*n
-%.5%.-0.%RP"0$1gauges
"3107"
8"automati3!.7"!R Eerror:
value
variable
being
measured.
A positive
perform
!true
%30N
"230.of/!the
0N
"%"P20P
0#170
"3%0$*O5.
!N0
-cally
"22850
%/.%7 !this
/function.
3#-!.#*
ambient pressure: see pressure, ambient.
[
cq
96
American
Mechanical
Engineers.
Copyright
~
€‚ƒ„†©‡ˆ2006
‰‰Š‡‹by‡the
†Œ‡ŽŒ
‚ƒ‘‡’Society
ƒŒ†‡of“‡”Œ
‘ƒ•‡–‘
„ƒ‘ŒŒ‚—˜
No
material
ASME.
™‚reproduction
Œ€‚š›†ƒ‘‡may
Ž‡‹beŒ‡made
ŽšŒ‡of“‡†thisƒ—‡Ž
†Œ‚ƒ•‡without
œƒ†›†‡written
œ‚ƒ††Œ‘‡consent
‘—Œ‘†‡of“‡’
”–˜
01
203456PRESSURE
734427389
091 9INDICATING
89190(B40.7)
GAUGES:
DIGITAL
143
ASME B40.100-2005
error
that
!"the
!#
#$"%
"&'#is (greater
"than
!" gauge,
6576-3flush
4T7CAQ+
70.-S8a"(gauge
"'(:
%#D#
!supporting
'::#(
denotes
indicated
Value
mounted:
provided
with
the
!true
'%value
"&')(see"also
&*correction).
+,,-*./+012
;
"
!
$
"
!
"
#
;"
<@
!
'(
!"!
&
means on the case so that it may be set through
a hole
a panel.
When
face
is "
approximately
&2^!
#installed
"&&the
!9
"$#
::>#;"&<
,,+,34
5./67-8the
!$change
!"(of9:
'#indication
#$"#that
!" #in":"
error,
fatigue:
pressure
with
panel.
&'!D#
!the
!:"
&2
results
'& 9from
; repeated
:""applications
::&#$"# of9stress
)(pressure
: ' 9flush
6576-3Tliquid
/_7/STlevel:
-Y-T8"(
"'((
"'"#
'
# of9!
"
a gauge
graduated
in
units
head
$cycles).
<$&12=It#is expressed
>: "as ":
$"(of9span,
:"?number
';@of9 gauge,
a percentage
!
#
(
!
?
'$
!"
9
)
;
1
9D"
2
heights,
such
as
feet
(or
meters)
of
water.
$cycles,
<$&?"and
;#
#;';"and
;"
>#;';%
"&' of9:
'
minimum
maximum
values
pressure
$cycles.
<$&2
6576-3pressure:
P,-CC7,-8"
%#$
!"senses
"and
#
#$" pres:E
gauge,
a device
that
indicates
sure
using
ambient
pressure
as
a
datum
(zero).
'
'
#
("
;@
#
:
'
"
""
';
)
O
1
2
error,
hysteresis:
difference
between
,,+,3A
BC.-,-C/C8the
!#
99$@
D#increasing
$"#(:
E
pres'"and
$"#(:
'readings
"#( "at"any
<:
# gauge,
sure
decreasing
pressure
point
stem
mounted:
a gauge
by
6576-3C
.-Q`(socket)
C+*a-.bQ+
70.-S8"("
'(supported
'::@<
D#
!#the
!range
"()(seeFFig.
#(2GE
JKLM
N2H12
within
A-1H
of9GI
ASME
1340.1).
"attachment
"$!;"atthe
!stem
; )(socket)
$U1:
'$connection.
$#2
pressure
,,+,3+ojfset:
44C-.8the
!error
exhibited
>!#@#D!
the
!(gauge
"'(#is '
:E gauge,
error,
when
unpresmounted:
6576-3surface
C7,45*-`(wall)
c5TTbQ+
70.-S8"(
"'(D!
$case
"$can
"@
a gauge
whose
be
surized.
'#O2=It#is expressed
>: "as ":
$"(of9span.
:"2
a percentage
;
'to"D"
&&or9flat
&"surface.
'9"$2
mounted
a wall
error,
position:
pressure
,,+,3P
+C/./+08the
!$change
!"(of9:
'#indication
#$"#that
!" gauge,
576-3.test:
-C.8"(
"'('
to$
!$Uthe
!"accuracy
$$'"$<of9
!
a gauge
used
check
other
results
'& D!
!
(
"
'(
#
:
&
"
$
#
":
#
#
#
9
9
6
when the gauge is placed in a position different
gauges
or:
pressure-actuated
devices.
The
test
gauge
has
(
"
'
(
'
E
"
$
'"
%
#
$
2
d!
(
"
'(
!
"
9from
; that
!"D!
#$!#itD"
"&#@"2
which
was $
calibrated.
better
device
being
"an"accuracy
$$'"$<significantly
#(#9#$"&<@
than
!"the
!
%#$@
#(
2
,,+,3Cspan:
P508the
!error
exhibited
>!#@#D!
the
!#input
:'is#"atmaxi;">#E tested.
error,
when
mum range
pressure
minus
when
;';
"(:
';#
' the
!error
exhibited
>!#@#D!
gauge,
6576-3Yvacuum:
5*77Q8"(
"'(that
!"#indicates
#$" negative
("#%(
"'(
a gauge
gauge
minimum
pressure.
the
!#input
:'#is "at;#
#;';range
"(:
'2=It#is expressed
>: pressure.
: '2
"as ":
$"(of9span.
:"2
a percentage
6,+QQ-.8seeP
T763pressure
P,-CC7,-,relief.
-T/-42
grommet:
plug,
,
,
+
,
3
.
QP
,
5
.
7
,
8
!
$
!"(of9:
'#
#$"#that
!" H2O:
error, temperature: the change
pressure
indication
[V\8water.
D"2
a temperature
results
'&when
D!the
!(gauge
"'($components
;:"are"at"
;:"' Hg:
mercury.
[68;
$'<2
different
#
999from
; their
!#temperature
;:"'"at$calibration.
"&#@"#2
error:
error,
BC.-,-C/C,,+,8see,,+,3hysteresis.
ABC.-,-C/C2
R.,-Q-+operating
P-,5./06*conditions:
+0S/./+0C8see*conditions,
+0S/./+0C3R.,-Q- Ahysteresis
extreme
extreme
operating.
+
P-,5./062
para.
/in.0eH2O:
[V\8see:
""2X3.2.1.
2V2H2
failure,
45/T7,-3*corrosion:
+,,+C/+08element
&;9failure
"#&'resulting
'&#(9from
;$corrosive
#% /in.0eHg:
para.
[68see:
""2X3.2.1.
2V2H2
para.
$chemical
!;#$"&"attack
"$U#inside
#the
!element
&;)(see:"
"24.2.7.3).
M2V2W2X12 /interference,
electromagnetic
external
interference
0.-,4-,-0*-3T-*.,+Q560-./*`(EMI):
fghb8
>"&#
9$
generated
from
electrical
devices
such
as
transformers,
(
"
9
;
&
$
#
$
"
&
%
#
$
'
$
!"
"
9;?
failure,
fatigue:
45/T7,-34
5./67-8element
&;9failure
"#&'resulting
'&#(9from
; repeated
:"
4.2.7.1).
transmitters
which
interrupts
or
"applications
::&#$"# of9stress
)(see:"
"
2
M
2
V
2
W
2
H
1
2
"
#
"
di
"
;#
D!
#
$
!#
':
#
9
para.
radio and TV
interferes
with
other
sensitive
electronic
equipment.
D#
!
!
#
#
%
&
$
#
$
j
'#
:
;
2
45/T7,-3+overpressure:
Y-,P,-CC7,-8element
&;9failure
"#&'$caused
"'@
<the
!#
E
failure,
by
interradiofrequency
0.-,4-,-0*-3,
5S/+4,-_7-0*B`(RFI):
klhb8external
>"&#interference
9$
nal
"&pressure
: ')(positive
:##%ornegative)
("#%1#inexcess
>$ of9the
!rated
" /interference,
generated
from
radio
transmission
in
the
Megahertz
(
"
9
;
"
#
"
;#
#
#
!
J
("!O
element.
:
'
9
!
&
;
2
pressure of the
frequency
range
which
interrupts
or
interferes
with
9
j'
$
<
"
(
D!#
$
!#
':
#
9
D#!
failure,
a result
45/T7,-3+overtemperature:
Y-,.-QP-,5.7,-89failure
"#&'"as "
'&of9$continuous
#'' other
sensitive
electronic
equipment.
!
#
#
%
&
$
#
$
j
'#
:
;
2
exposure
>:'to!
#(!"ambient
;@#temperature.
;:"'2
high
kg/cmz:
para.
a6m*QV8see:
""2X3.2.1.
2V2H2
4
5
.
/
6
7
-4
5
/
T
7
,
8
4
5
/
T
7
,
3
4
5
.
/67-2
fatigue failure: see failure, fatigue.
para.
an58see:
""23.2.1.
X2V2H2
fiber:
4/Z-,8"any
<nonmetallic,
;"&&#$?9flexible,
&>#@&?threadlike
!"&#U$contaminant
";#" kPa:
window.
Tlens:
-0C8seec/
0S+c2
with
a length
diameter
D#
!"&
(!to#
";ratio
"#of9"at&least
"H10.N2
number
which
Tlife,
/4-3fatigue:
45./67-8the
!
';@of9pressure
: '$cycles
<$& beyond
@<D!
#$!
fiber
fiber.
4/Z-,+optics:
P./*C8see+optical
P./*5T4
/Z-,2
leakage
of9
the
pressure
element
assembly
may
occur.
&
"
U
"
(
!
:
'
&
;
"
;@
&
<;"
<
$
$
'2
flush
mounted:
gauge,
mounted.
4T7CAQ+
70.-S8see6
576-3flush
4T7CAQ+
70.-S2
Accuracy
may
be
degraded
even
if9&
leakage
has not
G$
$
'
"
$
<;"
<@
(
"
%
#
"
U"
(
!"
ft
para.
4.[H2O:
:
""2X3.2.1.
2V2H2
V\8see
error,
occurred
$$')(see,,+,3fatigue).
45./67-12
full
pressure:
pressure,
47TTCscale
*5T-P
,-CC7,-8seeP
,-CC7,-3full
47TT,range.
506-2
fit
straight
Tlinearity,
/0-5,/.B3Zbest
-C.4
/.C
.,5/6A.Tline
/0-`(BFSL):
olpqb8seeTlinearity,
/0-5,/.B3/inde0S-r
P-0S-0.2
gage,
piston:
a device
656-3P
/C.+08"
%#$that
!"#indicates
#$" the
!:presence
$of9"a pendent.
pressure
by
means
predetermined
weights
:
;#:
'@
<;
" of9D
#(!loaded
&"on Tlinearity,
para.
/0-5,/.B3/independent:
0S-P-0S-0.8see:
""23.7.3.1.1.
X2W2X2H2H2
a ball.
a floating
piston
"aneffective
99$#%"area
"such
'$!"as "9
&"#(:#
or"@
"&&2 Tlinearity,
para.
/0-5,/.B3.terminal—based:
-,Q/05TrZ5C-S8see:
""23.7.3.1.2.
X2W2X2H2V2
gauge,
absolute
pressure:
a gauge
indicates
6576-35
ZC+T7.-P
,-CC7,-8"(
"'(that
!"#
#$" "absolute
@&' Tlinearity,
para.
/0-5,/.B3zero—based:
s-,+rZ5C-S8see:
""23.7.3.1.3.
X2W2X2H2X2
pressure.
:
'2
liquid
gauge:
gauge,
level
/_7/STlevel
-Y-T6
576-8see6
576-3Tliquid
/_7/ST
-Y-T
gauge,
a gauge
6576-3*compound:
+QP+70S8"(
"'(that
!"#indicates
#$" both
@!:positive
##% T
PTC
19.2.
manometer:
see
ASME
Q5
0
+
Q.
,
8
GI
JKt
duH
]
2
V
2
negative
pressure.
"and
("#%:
'2
medium:
process
fluid
S/7Q8the
!:
$ 9
&'#)(gas
(" or&liquid).
#j'#12
gauge,
a gauge
having
pressure
6576-3Sdifierential:
/44-,-0./5T8"(
"'(!
"%#(two
D:
'$connec$E Qwhich
difference
between
mounting:
means
which
the
is installed
70./068the
!;
" by
@<D!
#$!
!(gauge
"'(#
#"&&or
tions,
# ?D!#
$!#indicates
#$" the
!#
99$@
Dtwo
D Q+
pressures.
supported.
'::2
"applied
::&#:
'2
[
]97W
vwxyz{|}~ €‚ƒy~}„†„z{‡ˆ‰Šw‡{„~yw‹Œ„‡}ˆ‰{‡ˆŽ‰|{‰„„z
‘wz„xzw’“‡~{w‰†ˆyƒ„†ˆ’„w‹~}{†ˆ~„z{ˆ”{~}w“~”z{~~„‰‡w‰„‰~w‹ŠŒŽ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 300 4567
ASME B40.100-2005
GAUGES: PRESSURE DIGITAL INDICATING (B40.7)
!flush:
"#$%&'see((gauge,
) *!flush
"#$%
*+,
H1*$$1*!operating:
H*1)&8the
L(U?
(''>?(7at8RL
9KL7M
7>M(9
:?S
mounting,
mounted.
pressure,
pressure
which
a gauge
is';
norO7
<
<
N:
U
(
?
7
8
(
B,
mally operated.
!gauge:
)*&'see((
,
mounting,
mounting.
H1*$$1*!H
$G*&Mgauge
7>M(U
?(''>?(Mgreater
?(78(?8than
L7;7ambient
OQ9(;8
positive:
pressure
!$stem
*$socket:
-.*&'see((gauge,
) *!stem
$*/(socket)
$-.*0
*+, pressure,
mounting,
mounted.
Fig.
1 of@WA
ASME
B401).
U?
(
'
'
>
?
(C
'
(
(c
9
M
,
[:
YZ=d
]
,
[
F
,
pressure
(see
!$surface
1")-*/(wall):
2)##0&'see((gauge,
) *!surface
$1")-*/(wall)
2)##0
*+, pressure,
mounting,
mounted.
pressure
medium
H1*$$1*!process:
H1-*$$&8the
L(U?
(''>?(:
L(U
?:K(''O(
B9>O 7at8
of@8
the
process
345&67
89:;7<=>?
(7>:of@AStandards
87;B7?B'C(see
'((3D
5EF,
NBS:
National
Bureau
NIST).
8the
L(U?
(''>?(Kconnection
:;;(K89:;:of@8the
L('socket.
:Ka(8,
pressure
negative
*)G*H
1*$$1*/(vacuum):
G)-0&'see((H
1*$$1*!negative.
*)G*,
pressure
pressure,
H
1
*
$
$
1
*
!
H
1
"
&
8
L
(O7
g
9
O>
OU
?
(
'
'>?(7M
7>M(Kcan
7;R9
8LS
pressure, proof: the maximum pressure
a gauge
with3D5E&67
89:;7<IInstitute
;'898>8(:of@AStandards
87;B7?B'7and
;BJ
(KL;:<:MN 'stand
NIST:
National
Technology
87;BR9
8
L
:
>
8(
`
9
B(
;
K
(:
@K
L
7
;
M
(9
;7
K
K
>
?
7
K
N
,h?
:
:@
without evidence of change in accuracy. Proof
C(formerly
@:?O(?<N345
F,
NBS).
may
be(7'
a semidestructive
not
U?
(''>?(O7
NQ
(O9B('8?>K89`(8test
('87and
;B'should
L:><B;
:8
pressure
Q(Kconducted
:;B>K8(B?repeatedly
(U(78(B<N:on;8the
L('same
7O(M
7>M(,IIt8O7
gauge.
mayNQ
be(
nomenclature:
*-#)1*&O7
N9include,
;K<>B(Pbut
Q>8not
;:8<limited
9O98(B8to,:P8the
L(@follow:<<:RS be
may
(expressed
gU?(''(B7as'7U?
(''>?(:or?7as'7U(
?K(;87M(:
><<'
K7<(,
a pressure
a percentage
of@@
full
scale.
material
of wetted
parts,
units
of
9ing:
;MTO7
8(?97<:@R(
88(BU7
?8'P?range,
7;M(P7and
;B>;9
8':@
measure.
O(
7'>?(,
H1*$$1*!1rated:
)*+&@full
><<?range
7;M(U?
(''>?(,
pressure,
pressure.
1)#operating
H*1) -conditions:
+$&'see
((-conditions,
+$!
1)# pressure
normal
normal
H1*$$1*1relief
*#*"H
# &'see((H
#!pressure
H1*$$1*1relief.
*#*",
plug:
plug,
operating.
H*1) ,
maximum
pressure
which
the
H1*$$1*!1rupture:
H1*&8the
L(O7
g9O>OU?
(''>?(7above
Q:`(RL
9KL8
L(
3VE&WO(
?9K7;AStandard
87;B7?B8taper
7U(?U9
U(8threads.
L?(7B',X(
@9;(B pressure,
NPT:
American
pipe
Defined
assembly
may
no:<
longer
hold
pressure.
U?
(
'
'
>
?
((
<
(
O(
;
8
7
'
'
(
OQ
<
NO7
N;
:
;
M
(
?L
:
<
BU?
(
'
'
>?
(,
pressure
element
by
ASME
B1.20.1.
QNWA
YZ=[
,\],[,
see
H1*$$1*transducer:
1)$+-*1&'
((transducer,
1)$+-*1!pressure.
H1*$$1*,
a transparent
optical
H-)#fiber:
"^*1&78
?7;'U7?(;8@fiber
9Q(?>used
'(B8to:8transmit
?7;'O98:optical
U89K7< pressure
H1*$$1*!G
)1)^#*&U?
(''>?(8that
L789
;K?(7'(':
K?(7'('P
pressure,
variable:
pressure
increases
or?B(
decreases,
'signals.
9M;7<',
:
:
8
L
P7
7
8
(M
?
(
7
8
(
?8
L
7
;8
L
7
87
<
<
:
R(
B@
:
?'
8(7BN
or?Q
both,
at87?
a rate
greater
than
that
allowed
for
steady
operating
H*1) pressure:
H1*$$1*&'see((H
1*$$1*!operating
H*1)
pressure,
pressure;
may
high
pressure,
short
U?
(''>?(iO7
N9include
;K<>B(L9
MLU?
(''>?(P'
L:?8Bduration
>?789:;
OU><'('C(pressure
U?(''>?('spikes).
U9a('F,
overpressure:
G*1H1*$$1*&8the
L(7application
UU<9K789:;:of@7U
?(''>?(Q
(N:;B8the
L( 9impulses
a pressure
beyond
@full
><<?range
7;M(U?
(''>?(,
pressure.
psi:
H$&'see((Upara.
7?7,_3.2.1.
,\,[,
overpressure
G*1H1*$$1*"
)#1*&'see(("
)#1*!
G*1H1*$$1*,
failure:
failure,
overpressure.
H$)&'see((U
7?7,_3.2.1.
,\,[,
psia:
para.
Pa:&'
V)
((U
7?7,_3.2.1.
,\,[,
see
para.
H$+&'see((Upara.
7?7,_3.2.1.
,\,[,
psid:
particle:
H)1-#*&7any
;N'solid
:<9BKcontaminant
:;87O9;7;8:other
8L(?8than
L7;@fiber.
9Q(?,
H$&'see((Upara.
7?7,_3.2.1.
,\,[,
psig:
Pascal:
para.
V)
$-)#&'see((U
7?7,_3.2.1.
,\,[,
1radio
)+"
1*j*-kinterference
*1"*1*-*/(RFI):
lmD0&'see((interference,
*1"*1*-*!1radio
)+"
1*n
frequency
frepiston
H$gage:
)*&'see((gage,
)*!piston.
H$,
jauency.
*-k,
plug,
pressure
a plug
in
H#!H
1*$$1*1relief:
*#*"&7U<
>M9inserted
;'(?8(B9
;8the
L(Mgauge
7>M(Kcase
7'( 1range:
high
and
low
of@8
the
expressed
)*&8the
L(L
9ML7
;B<
:R limits
<9O98':
L(Mgauge
7>M((
gU?(''(B
wall
R7<<8that,
L78P9in;8the
L((event
`(;8:of@7an;(element
<(O(;8<leak,
(7aPvents,
`(;8'PminimizO9;9O9bS 9in;'sequences
units
which
occur.
(o>(;K('7and
;B>
;98'9in;RL
9KL8they
L(N:
KK>?,cFor:?example:
(g7OU<(T
buildup.
9ing
;MKcase
7'(U
?(''>?(Q
>9<B>U,
pressure
0/100 kPa, 0/500 psi, -10/10 in. H20.
\p,
position
H$*error:
111&'see((*error,
111!position.
H$,
inherent
1readability:
*)+)^#k&8
L(>;K
(?879;8N9
;L(?(;89
;8
L(:observer's
Q'(?`(?q'
the
uncertainty
in
the
ability
to
determine
the
indicated
pressure
value.
Con7
Q
9
<
9
8
N8
:B(
8
(
?
O9
;
(8
L
(9
;
B9
K
7
8
(
BU?
(
'
'
>?
(`
7
<>(,r:
;S
positive
pressure:
pressure,
H$G*H
1*$$1*&'see((H
1*$$1*!positive.
H$G*,
tributing
factors
include
distance
between
observer
and
8
?
9
Q
>
8
9
;
M@
7
K
8
:
?
'9
;
K
<
>B(B9
'
8
7
;
K
(Q
(
8
R(
(
;:
Q
'
(
?
`
(
?7
;
B
pressure,
a pressure
using
H1*$$1*!)absolute:
^$#*&7U
?(''>?(>'
9;Mbzero
(?:7absolute
Q':<>8(Upressure
?(''>?( 9indication,
illumination,
;B9
K
7
8
9
:
;P9
<
<
>O9
;7
8
9
:;P7
;BK
:
;'
8
7
;8@
<
>K
8
>7
8
9
:;
and
constant
fluctuation
1 of@WA
ASME
B40.1).
datum
7as'B7
8>O C(see
'((cFig.
9M,[:
YZ=d
],[F,
digits
the
display.
Q(8R((;8two
R:B9
M98'9in;8
L(B9
'U<7N,
pressure,
ambient:
H1*$$1*!)
^*&8the
L(Upressure
?(''>?('surrounding
>??:>;B9;M8the
L(Mgauge,
7>M(P between
para.
1repeatability:
*H*))^#k&'see((U
7?7,3.7.3.3.
_,s,_,_,
usually
pressure
1 of@
>'
>7<<N7atmospheric
8O:'UL(?9KC(barometric)
Q7?:O(8?9KFU
?(''>?(C(see
'((cFig.
9M,[:
para.
1resolution,
*$#!display:
+$H#)k&'see((U
7?7,3.7.3.4.
_,s,_,d,
ASME
B401).
WA
YZ=d
],[F,
phenomenon
when
a system
1resonance:
*$)-*&the
8L(UL(
;:O(;:;RL(
;7'
N'8(O :oscillates
'K9<<78('
pressure,
pressure,
H1*$$1*!^burst:
1$&'see((H
1*$$1*!1rupture.
H1*,
with
the
largest
amplitude
and
energy
due
to:8
the
R9
8
L8
L
(<
7
?
M
(
'
87
OU<
9
8
>B(7
;
B(
;
(
?
M
NB
>
(8
L(@fre?(S
pressure,
difference
between
H1*$$1*!+diflerential:
""*1*)#&8the
L(B9
@@(?(;K(Q
(8R((;8two
R:Upres?('S oquency
force
of@8
the
driving
being
close
to:8
the
system's
>(
;
K
N:
L
(B?
9̀9
;
M@
:
?
K
(Q
(
9
;
MK
<
:
'
(8
L
('
N
'
8
(
Oq
'
1 of@WA
ASME
B40.1).
'sures
>?('C(see
'((cFig.
9M,[:
YZ=d
],[F,
natural
frequency.
(A
resonance
may
occur
in
an
internal
;
7
8
>?
7
<
@
?
(
o
>
(
;
K
N
,
C
W?
(
'
:
;
7
;
K
(O7
N:
K
K
>?
9
;7
;9
;
8
(
?
;
7
<
pressure
H1*$$1**element:
#**&'see((*element,
#**!*elastic.
#)$-,
part
no::
outward
manifestation.)
U7
?8:of@8the
L(Mgauge,
7>M(Pwith
R98L;
>8R7?BO7
;9@('8789:;,F
pressure,
indiH1*$$1*!full
"##1range:
)*&<lowest
:R('88to:8the
L(Lhighest
9ML('8Kcalibrated
7<9Q?78(B9
;B9S 1restrictor:
device
fluid
between
the
*$1-1&8the
L(B(
`9K(8that
L78?restricts
('8?9K8'@
<>9B@flow
<:RQ
(8R((;8
L(
pressure
Kcated
78(BU?
(''>?(?reading.
(7B9;M,
pressure
pressure
element.
is'>'
used
U?
(''>?('source
:>?K(7and
;B8the
L(U
?(''>?((
<(O(;8,ItI89
(B8to:
effect
pressure
to:K
control
(B>K(8the
L((
@@(K8:of@U?
(''>?(@fluctuations
<>K8>789:;':or?8
:;8?:<
pressure,
a positive
pressure
H1*$$1*!gauge:
) *&7U:
'989`(U?
(''>?(C(greater
M?(78(?8than
L7;7ambient)
OQ9(;8F ?reduce
a pressure
element
has
in
<:R@from
?:O 7U?
(''>?((
<(O(;88that
L78L
7'@failed
79<(B9
;'service,
(?`9K(P
pressure
using
:or?;negative
(M789̀(U?
(''>?(C(less
<(''8than
L7;7ambient)
OQ9(;8F>'
9;M7ambient
OQ9(;8 @flow
both.
may
be(9
integrally
mounted
or?'
separate
:or?Q
:8L,IIt8O7
NQ
;8(M?7<<NO:
>;8(B:
(U7?78(@from
?:O
1 of@WA
ASME
B40.1).
pressure
datum
U?(''>?(7as'B7
8>O C(see
'((cFig.
9M,[:
YZ=d
],[F,
the
gauge.
8
L
(M
7
>M
(
,
pressure
H1*$$1*gauge:
) *&'see((gauge,
) *!pressure.
H1*$$1*,
case,
*)#*+-case:
)$*&'see(()$*!sealed.
$*)#*+,
pressure,
pressure
less
H1*$$1*!negative
*)G*/(vacuum):
G)-0&Mgauge
7>M(U?
(''>?(<
(''8than
L7; $sealed
the
first
nonzero
digit
pressure
using
pressure
datum
digits:
digits
from
7ambient
OQ9(;8U?
(''>?(>'
9;M7ambient
OQ9(;8U
?(''>?(7as'B7
8>OC(see
'(( $significant
"-)+
$&8the
L(B9
M98'@
?:O 8
L(@
9?'8;
:;b(?:B9
M98
1 of@WA
ASME
B401).
cFig.
9M,[:
YZ=d
],[F,
:on;8the
L(<left
(@88to:(either
98L(?
C
ef
98
American
Mechanical
Engineers.
Copyright
tu
vwxyz{|©}~2006
€}byw}the
|{‚}ƒ„‚
xy†‡}ˆSociety
uy‚|w}uof‰}Š‚
{†‡y†‹}Œ‡
zy‡‚‚xŽ
No
material
ASME.
uxreproduction
‚vxu‘|yu‡}may
„†w}be‚}made
„†‚}uof‰}|this
{y}„†
|‚xy†‹}without
’y|{u‘|}written
’xy||‚‡}consent
u‡‚‡|}uof‰}ƒˆ
ŠŒŽ
01
203456PRESSURE
734427389
091 9INDICATING
89190(B40.7)
GAUGES:
DIGITAL
143
ASME B40.100-2005
right
if,
there
(a)the
last
!"#$
%$&(zero
'())or(*nonzero)
)*'()+)on*the
(
$%$
( Utransducer,
WRO\VTXWZ_
WXOOVWXYthe
/(
""2("
*"$*%#
]$-0$
*-2o
digit
pressure:
pressure
sensing
device,
inclu$is"!#
$
.!
/)
$
*
0
)
(
"
$
]
)
,
!
"
$
-
.
*
0
!
(
"
/)
*
#"
)/
(
"
"
2(
!
*#
a decimal point, or
sive of elastic element, that responds to pressure and
/()#2-"!an*
-($-! "signal.
$%*!4
electrical
number
(b)1the
last
!"*
)*'()#$
%$)of,the
*
2.3($if,there
($is"*
nonzero
digit
no) produces
#
-$.! /)
$*4
decimal
point.
{vacuum
TVVjQ
VQXY"seeQ
VQXZ{
TVVj4
gauge:
gauge,
vacuum.
5For)(example:
6!./7
{vacuum:
TVVjY"see_
WXOOVWXZRnegative.
XQUP{X4
pressure,
89:;;;;;; <=>?<@AA>BCDBEBF=D?GBCB?>
9:;;H <=>EIJ@>BCDBEBF=D?GBCB?>
{variable
WP1mX_
WXOOVWXY"see_
WXOOVWXZ{variable.
WP1mX4
pressure:
pressure,
;H;;;;9K <=>?LI>BCDBEBF=D?GBCB?>
;H;:M;; <=>EIJ@>BCDBEBF=D?GBCB?>
maximum
vibration
a gauge
{vibration
P1WUPnRWresistance:
XOPOURTXYthe
.!
6$.2.]
$3(!$)*!%
!2%-can
!*
;H;N <=>IDA>BCDBEBF=D?GBCB?
the
^$"!*#^$
)2physical
/l"$-!#!
.!%that
!will
^$ impair
$./!$(
withstand
without
damage
%gauge
!2%,function
2*-$)*)or(!
--2(!-l3
l)*#!acceptable
--/!3limits.
$.$"4
accuracy
beyond
significant
O
PQRPSPTRUOsurface:
VWSTXY"seeOsurface,
VWSTXZ[X
UUX\4
wetted.
Requirements
displacements
}2$(.*"!are(expressed
6/(""#!as""sinusoidal
$*2")$#!#$
"/!-.*"
O
RV11XWY!#
]$-that
!$is"2used
"#to)(reduce
#2-the
effect
,,-)of, |
snubber:
a device
at%
given
!
$
]
*,
(
}
2
*
$
",
)
(!"
/
$
,
$
#/
(
$
)
#)
$.&(i.e,
$40
frequencies
for
a specified
period
of,
time
pressure
reduce
/(
""2(,fluctuations
2-2!$)*"!and
*#"surges,
2(%"0)or(to)(
#2-,flow
)^,from
(). a0.060
4
a
~
a$
*
4a
4
a
c
v$
*
4#)
23
!
./
$
2##$
"
/
!
.
*
!
in.
1 0.012
in.
double
amplitude
displacement
at
!/(
""2(element
.*that
!
!",failed
!$#$in*"service,
(]$-0)or(3
)4 h€'
a pressure
has
both.
5 Hz to)c
15h€',
Hz for
per(c€'$
1 Hz increments).
)(c15h"sec-/
*-(.*"+4
O
_RYthe
!algebraic
%3(!$-#$
,,(*-3
^*the
limits
$.$")of,the
[
span:
difference
between
warmup
warmup.
WjV_Utime:
PjXY"seeUtime,
PjXZ[
WjV_4
The"
span
a 0/100
The
(range.
!*%4`
/!*)of,!a
bcaadkPa
e!%gauge
!2%$is"c100aadkPa.
e!4`
[X
m\PRQY!.
!o)$*$*%/
()-""^
($*)!"-*-$
welding:
a metal-joining
process
wherein
coalescence
is"
"span
/!*)of,!)./)2*#%gauge
!2%$is"the
#$
,,(*-3
^* produced
a compound
difference
between
by
heating
to
suitable
temperatures
to
melt
/(
)
#
2
#3
l
!
$
*
%
)"
2$
!
3
./
(
!
2(
"
).
the
limits
$.$")of,the
]
!-22.!and
*#/(
""2((ranges
!*%"^
*3
) together
vacuum
pressure
when
both
)
%
(
3
!
"
.
!
"^$
)
(^$
)
2
!
##$
$
)
*
the
base
metals
with
or
without
the
addition
are expressed in the same units. The span of a -15 psi
metal.
filler
metal
)of,,filler
$(.
!4zIf,,
$(.
! is$"2"
#0$
! have
!]!a
used,
it"
shall
45h/
psi.
to)f30a/"
!2%$is"g
"$4
psi$%
gauge
melting
point
and
composition
approximately
the
.
$
*
%/)
$
*
!
*
#)
./)
"
$
$
)
*!
/
/
(
)
6
$
.!
l
"same
!.
O
_R
\iVOUjXRUY"see
\iVOUjXRUZO
_R
span
adjustment:
adjustment,
span
metal.
!as"the
3
!".
!4
base
spike:
a short
high
O
_PkXY!"
)(#duration,
2(!$)*0
$%!amplitude
./$2#"sudden
2##*(rise
$")or( [X
UUX\_
WUOY-components
)./)**")of,
%gauge
!2%that
!#$
(-l-con)*o
wetted
parts:
the
directly
drop
#(
)/$in*"system
l". pressure.
/(""2(4
process
medium.
tact
!-the
/
()-"".
#$2.4
O
UR\W\ZTcalibration:
mP1WUPnRY!/(
""2($instrument
*"(2.*2"
#to)#
(o window:
standard,
a pressure
used
detera transparent
front
R\n[Y!
(!*"/!(*-component
)./)**that
!-closes
)""the
,
()*
mine
a gauge
ASME
PTC 19.2).
.$
*the
!accuracy
--2(!-l)of,!%
!2%&(see
"pq
rse`tc
u4v+4 [P
)of,
-case.
!"4
the
standard,
ASME
O
UR\W\ZUtransfer:
WROSXWY"seepq
rsePTC
`tc19.2.
u4v4
zero
adjustment:
adjustment,
zero.
‚XWn
\iVOUjXRUY"see
\iVOUjXRUZ‚
XWn4
O
UR\W\Z[n
WkPRQY"seepq
rsePTC
`tc19.2.
u4v4
standard,
working:
ASME
stem:
main
pressure
O
UXjYthe
.!
$*"supporting
2//)($*%-component
)./)**)of,the
/(
""2( ƒ
3 „
GENERAL
† ‡ˆ‰‡RECOMMENDATIONS
Š‹ŒŒ †ˆŽ‹†
transducer
which
includes
the
pressure
connection.
(!*"#2-(^$-$*-2#"/(""2(-)**-$)*4
3.1
Types
‘’ŠCase
“”•Ž
–—•”“and
˜™Sizes
š›•”
surface,
wetted:
directly
presO
VWSTXZ[X
UUX\Y!any
*l"surface
2(,!-that
!#$
(-l-contacts
)*!-"the
/
("o ƒ
media.
"sure
2(.
#$!4
Mounting.
interƒ3.1.1
‘’‘’‡Round
œ˜™žFlush/Surface
Ÿ”¡¢£“¤•Œœ
˜¥š˜¦‘`To)ensure
*"2($
*(o
with
!*%!3$$l^$
!analog
*!)%&(dial
#$!type)
l/+gauges,
%!2%"0it$$is"(recom-).o
a deduction
made
Utare:
WXY!#
#2-$)*,from
().the
%gross
()""/(
""2(.!
#to)!allow
)^ -changeability
pressure
mended
and
digital
.
*##that
!(round
)2*#,flush
2"!
*#"surface-mounted
2(,!-o.)2*##$
%$!
a preexisting
pressure.
,for)(!/(
6$"$*%/(
""2(4
dimensions
in
Fig.
9 of
gauges
conform
to
the
%!
2%
")*,
)(
.
)
#$
.
*"
$
)*"$
*5$
%4u),
Utemperature,
Xj_XWUVWXZambient:
j1PXRUYthe
temperature
./(!2()of,the
!atmosphere
.)"/( pq
ASME
B401.
1 and
2.4
rs§g
a4c4qSee!also")`Tables
!3"c!
*#v
"surrounding
2(()2*#$*%the
%gauge.
!2%4
Mounting.
that
ƒ3.1.2
‘’‘¨‡Rectangular
•¤¥“˜¦Ÿ“¢Œœ
˜¥š˜¦‘zIt$is"(recommended
-)..*##
!
Utemperature
Xj_XWUVWXXerror:
WWnWY"seeXerror,
WWnWZUtemperature.
Xj_XWUVWX4
dimensions
the
EN &
(for(rectangular
-!*%2!(-case
!"#$
.*"$)*"-conform
)*,)(. to)
sy
,)(o
process:
Utemperature,
Xj_XWUVWXZ_
WnTXOOYthe
temperature
./(!2()of,the
/(
)-"" .!
process
mally
DIN)
dimensions
as"
l©z
y+"standard.
!*#!(#4Some
q).-common
)..)*#$
.*"$)*"!are(!
.
#$2. !atthe
/pressure
(""2(-connection
)**-$)*)of,the
%gauge.
!2%4
medium
in
"shown
)^*$
*`Table
!3f3.4
storage:
Utemperature,
Xj_XWUVWXZO
UnWQXYthe
extremes
6(.")of,temperature
./(!2(&(high
$% 3.2‘¨ª˜
Units
š¥”“and˜™‡Ranges
“˜¦•”
may
be
exposed
when
!and
*#low)
)^+that
!the
%gauge
!2%.!
l3
6/)"#to)^
*$it$is" ƒ
not
*
)/pressurized.
(""2($'#4
Units.
Over
years,
different
classifiƒ3.2.1
‘¨‘’ŠCommon
œ««œ˜ª˜
š¥”‘¬]
(the
l
!("0#$
,,(*!""$,$o
cations
of
units
of
measure
have
been
used.
Many
of,
!
$
)
*
")
,2*
$
")
,.
!
"
2
(
!
]
3
*2"
#4r!
*l)
gauge:
gauge,
Utest
XOUQ
VQXY"seeQ
VQXZUtest.
XOU4
the
older
units,
although
not
presently
officially
recog
)
#
(2*
$
"
0
!
)
2%
*
)
/(
"
*
l)
,
,
$
$
!
l(
)
%
o
warmup:
para.
Utime,
PjXZ[
WjV_Y"see/
!(!4f3.7.3.7.
4w4f4w4
nized
by
bodies,
widespread
*$'#3
l"standard
!*#!(#"setting
$*%3
)#$"0!are("still
$ in$*^$
#"/(!#
use!
and
included
in
this
Standard
the
2"
*#!are(therefore
(,)($
*-2##$
*
$"q
!*#!(#,for)(
Utorr:
nWWY"see/para.
!(!4f3.2.1.
4v4c4
three
purpose
of,#
definition.
The
basic
classifications
are
/2
(
/)
"
)
,
$
*
$
$
)
*
4
`
(
3
!
"
$
-!
"
"
$
,
$
!
$
)
*
"!
(
documentation
a calibraUtraceability:
WTX1PmPUxY#)
-2.*!$)*)of,the
existence
6$"*-)of,!!$3(!o !as",follows:
)
)
^"
7
between
a primary
tion
$)*-chain
!$*3
^*!an*$instrument
*"(2.*!and
*#!/
($.!(l"stan!*o (a)­51®(Le¯X­Systéme
International
d’LInites).
These
units
xOUX°jX®
RUXWRUPnRm\
±²RPUX°O³`
"2*
$"
dard
#!
(#&(NIST).
yzq`+4
recognized
by
CIPM
des"
!are((
-)%*$'#3
lthe
tz
er &(Comite
t).$´International
z*(*!$)*! #
etr
Measures).
Utransfer
WROSXWOstandard:
UR\W\Y"seeOstandard,
UR\W\ZUtransfer.
WROSXW4
ePoids
)$#"
!"2("+4
123 000 000
2300.
has three significant digits
has four significant digits
0.000028
0.03500
has two significant digits
has four significant digits
0.04
has one significant digit
I
u99u
µ¶·¸¹º»¼½ ¾¿ÀÀÁ¾Â¸¾½¼Ã¾ÄÅùºÆÇȾɶƺý¸¾¶Ê¾ËÃƼÇȺÆÇ̾ÍÈ»ºÈÃùÎÏ
ж¹Ã·¹¶ÑÒƽº¶È¾ÅǸ¾ÂþÅÇÑþ¶Ê¾½¼ºÎ¾ÅǽùºÇ̾Ӻ½¼¶Ò½¾Ó¹º½½ÃȾƶÈÎÃȽ¾¶Ê¾ÄÉËÍÏ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 300 4567
GAUGES: PRESSURE DIGITAL INDICATING (B40.7)
ASME B40.100-2005
(b)
!"#"$%&kil0gram—f0rce,
'()*$+!,-)$."%/second,
".)01%+
!2"$"345
uvwxyz1 {
|}~€Flush/Surface
x}‚ƒ„}†v‡yˆ|
}~‰Š~‹
Table
Round
Mounting
MKSA (meter,
ampere).
The6
7former
89:69:6
;9<=>units,
?<;@AB5
<=5Care96D
6<?E9replaced
6FGC=6HD
I;the
56
metric
which
being
by
ŒŠ
y
~

Š
|
~

Dimensions
JSIK>?
<;@L
units.
Ž(Sizes
„Šyshown
‚|~vareyŠidentical
y~‰Š‡vx‰to|‘’
“”zdimensions)
Šy~Š|~•
B40.1
poar1d—force,
(C).MN
/#)!+$O(inch,
'0.P%2
)N01,-)$."%second,
/".)01%+
!2"$"3Q>@
Customary
ampere).
Cus-R
C359
–—˜430”
™š›œ™
š˜
Mounting
2™
ž›Ÿž 4Bolt
™š›Circle
Ÿ¡¢š˜
H019
used
primarily
English-speaking
;tomary
8:C9I>?
<;@Care96>@
6HF9
<:C9<GI<in?S?
EG<@5R@F6CT<?E
units
Ÿ
–
£˜
›
˜
¡
Ÿ
–
£˜
›
˜
¡
=countries
8>?;9<6@Cand
?HCare96D
6<?E9replaced
6FGC=6H<in?:8
@;=countries
8>?;9<6@D
I –—˜
being
most
by
1Ÿ¤˜
Ÿž7
££
Ÿž7
££
units.
JSIK>?
<;@L
Definitions
U6
7<?<;<8?@8of7;the
56Vvarious
C9<8>@>?
<;@Care96Cas@7follows:
8GG8B@W
units
¥11/2¥¦§
¥1.81
¨©¥
ª48.5
©¨«
¬0.13
¥̈­
­3.4ª̈
Case
Size
JSIK
XD
D96V<C;<8?
Y?
<;
Abbreviation
Unit
DC9
DC9
bar
bar
Definition
U6
7<?<;<8?
ZD
C9[= Z100\\TkPa
]C^(The
456D
C9<is@
1 bar
bar
C>?
<;8outside
>;@<H6;the
56JSI,KA
a unit
B5<=5<is@?
6V69;56G6@@9
6=R
which
nevertheless
rec8ognized
E?<_6HD
IQK
]`La
by
CIPM.)
TkPa
]C
Tkilopascal
<G8FC@=CG
ZT
]C[= Z\
\\]C
1 kPa
1 000
Pa
= bar
= 100
:D
C9
:<
GG<DC9
Z:D
C9[D
C9bZ\
\\[Z
\\]C
mbar
millibar
1 mbar
/ 1 000
Pa
`]C
:6
E
C
F
C
@
=
C
G
Z`]C[
\
\\
\
\]C
MPa
megapascal
1 MPa = Z\
1 000
000
Pa
d[Z]C
1 N/m2=1
Pa
cb:
?newton
6B;8?Fper69
Zcb:
N/m2d
@square
e>C96:6
;69
meter
1 N/m2d
]C
Fpascal
C@=CG
Z]C
[Zcb:
Pa
1 Pa:
MKSA
`fJ
X
Unit
Definition
XD
D96V<C;<8?
Y?
<;
U6
7<?<;<8?
Abbreviation
d
d
1 kg
/ cm2=1
TkgEb=
:
Tkilograms
<G8E9C:@Fper69 ZT
Eb=
: [ZTkilogram
<G8E9C: 7force
89=6
/ cmz
@square
e>C96=cen6?R
F69@square
e>C96=centimeter
6?;<:6;69
per
;timeter
<:6;69
= Z:6
:6
;69@8of7BC
;69 Z:
;698of7
:1'I1 gH2O
meters
water
1 mg
H2O
1 meter
dh
dh[
BC;69Cat;i68°F
jkl^(20°C)
d\kQa
water
mm gE
Hg
millimeters
1 mm gE[
Hg = Z:<
1 millimeter
::
:<
GG<:6;69@8of7 Z::
GG<:6;69
:6
9=>9I
8of7:6
9=>9ICat;m
dkl^(0°C)
\kQa
mercury
mercury
32°F
1 torr
mm gEC
;torr
899
;torr
899
Z;
899[= Z1.0L\::
D@8R
Hg absoGlute
>;6Fpressure
96@@>96
Q>@
;8:C9I
Customary
Abbreviation
Unit
Definition
XD
D96V<C;<8?
Y?
<;
U6
7<?<;<8?
1 ft;7
fresh
water
0.43276
7ft;gH2O
7feet
66;8of77fresh
96@5
Z7
96@5BC
;69[= \
Lnmdoi
dh
psi
BC
;69
F@<
water
1 ft;@
7ft;@sea6CBC
;69 7feet
66;8of7@sea6CBC
;69 Z7
6CBC
;69[= \0.4453
LnnpmFpsi@<
water
water
sea
water
ft;g
H2O)
^(0.9877
\Lqjoo7
dha
Hg
1 in.
Hg = Z<
1 inch
mer<in.?LgE
<inches
?=56@8of7
Z<
?LgE[
?=58of7:6
9R
mercury
:6
9=>9I
=cury
>9ICat;m32°F
dkl^(0°C)
\kQa^(04911
\LnqZZ
F@<a
PS1)
water
1 in.
H2O
1 inch
<in.?LgH2O
<inches
?=56@8of7BC
;69 Z<
?Lgd
h^(20°C)
d\kQa[= Z<
?=5
dh
water
20°C
^(20°C)
d\kQa
^(Ref.
r67LKISA
JX
8of7BC
;69Cat;d
\kQ^(68°F)
ijkla
RP2.1)
r]d
LZa
Cand
?Hq980.665
j\Liip=cm/
:b@sec6=Egrav9CVR
<ity;I^(0.036063
\L\mi\imF
@<a
psi)
water
1 in.
(60°F)
1 inch
<inches
?=56@8of7BC
;69 Z<
?LgH2O
i\kla[= Z<
?=5
<in?gH2O
dh
dh^
AGA
water
^(60°F)
i\kla
^(Ref.
r67LXsX
8of7BC
;69Cat;i60°F
\kl^(15.6°C)
ZpLikQa
Report
# 3)a
r6
F89;tm
Cand
?Hq980.665
j\Liip=cm/
:b@sec6=Egrav9CVR
<ity;I^(0.036092
\L\mi\qdF
@<a
psi)
water
1 in.
(4°C)
1 inch
<inches
?=56@8of7BC
;69 Z<
?LgH2O
nkQa[= Z<
?=58of7
<in.?LgH2O
dh
dh^
water
4°C
^(4°C)
nkQa
BC;69Cat;n
kQCand
?Hq980.665
j\Liip
=cm/
:b@sec6=Egravity
9CV<;I^(0.036127
\L\miZdo
F
@
<
a
Psi)
per
1 oz/in.2
1 ounce
8ounces
>?=6@F
69
Z8
_b<?Ld[= Z8
>?=67force
89=6
802/
_b<in.2
?Ld
per
@square
e>C96<inch
?=5
F69@square
e>C96<inch
?=5
1 psi
1 pound
force
per
Fpsi@<
Fpounds
8>?H@Fper69
ZF
@<[= ZF
8>?H7
89=6F
69
@square
e>C96<inch
?=5
@square
e>C96<inch
?=5Egauge
C>E6
pressure
F96@@>96
1 psia
1 pound
per
Fpsia
@<C
Fpounds
8>?H@Fper69
ZF
@<C[= ZF
8>?H7force
89=6F
69
@square
e>C96<inch
?=5
@square
e>C96<inch
?=5Cabsolute
D@8G>;6
pressure
Cabsolute
D@8G>;6
F96@@>96
psid
1 psid
1 pound
force
per
F@<H
Fpounds
8>?H@Fper69
ZF
@<H[= ZF
8>?H7
89=6F
69
dif—
differential
@square
e>C96<inch
?=5H<
7R @square
e>C96<inch
?=5H<
77696?;<CG
pressure
7ferential
696?;<CG
F96@@>96
Diameter
in.
Diameter
mm
in.
mm
§2 ¥
§21/2¥¦§
­31/2¥¦§
ª41/2¦§
®6¥
©81/2¦§
§2.56
¨«®
®65.0
«¨¬
¬0.16
¥̈®
ª4.5¨«
­3.13
¥̈­
¯79.5
°¨«
¬0.16
¥̈®
ª4.5¨«
ª4.25
¨§«
¥108
©
¬0.22
¨§§
«5.6¨®
«5.38
¨­©
¥137
­¯
¬0.22
¨§§
«5.6¨®
¯7.00
¨¬¬
¥178
¯©
¬0.28
¨§©
¯7.1¥̈
°9.63
¨®­
§245
ª«
¬0.28
¨§©
¯7.1¥̈
Panel
Opening
Outside
Diameter
of7
]C
?6GhF
6?<?E
h>;@<H6U<
C:6;698
Diameter
Maximum
U<
C
:6
;
6
9
QC
@
6
A
`C
±
<
:>:
Case,
QC
@6
Case
in.
mm
in.
mm
JSize
<_6
<?L
::
<?L
::
¥
¥11/2¦§
¥1.65
¨®«
ª41.9
¥°̈
¥1.59
¨«°
ª40.4
¬ª̈
§2 ¥
§2.19
¥̈°
«55.6
«¨®
§2.13
¥̈­
«54.1
ª¥̈
§21/2¥¦§
§2.81
¨©¥
¯74.1
ª¥̈
§2.75
¨¯«
®69.9
°°̈
­3.81
¨©¥
°96.8
®¨©
­3.75
¨¯«
°95.3
«¨­
­31/2¥¦§
ª4.94
°̈ª
¥125
§«
ª4.88
¨©©
¥124
§ª
ª41/2¦§
®6¥
®6.50
¨«¬
¥165
®«
®6.44
ª̈ª
¥164
®ª
°9.00
¨¬¬
§229
§°
©8.94
°̈ª
§227
§¯
©81/2¦§
GENERAL
NOTE:
²³
´³µ¶·´¸¹
³º¹The»¼½case
¾¿¼¿sizes
ÀÁ¼¿Âlisted
À¿Ã¼Ä¾above
ÅÆǼ¾areȼ¼equal
ÉʾÂtoÃÆÃ
»¼¾approxiËËÈÆÌÀÍ
the
ξ
üÀinside
Ï¿ÀļÄdiameter
À¾Î¼Ã¼ÈÆofÐthe
û¼½case
¾¿¼ÀinÏÀinches.
Ͻ»¼¿¨The
¹»¼Èround
ÆÊÏÄÑÒ́½
¾¿¼¿sizes
ÀÁ¼¿
mate
DIN case
Âlisted
À¿Ã¼ÄÅbelow
¼ÂÆÓÄdefine
¼ÐÀϼ¿size
ÀÁ¼¾as¿Ã
»¼Æoutside
ÊÿÀļÄdiameter
À¾Î¼Ã¼ÈÆofthe
Ðû¼½case.
¾¿¼¨ÔBecause
¼½¾Ê¿¼
the
Æofthis
ÐûÀ¿Ädifference,
ÀÐмȼϽ¼ÕÖgauges
¾ÊÖ¼¿Î¾
ļÃ
»¼Àinch-based
Ͻ»Íž¿¼Ä¿sizes
ÀÁ¼¿Î¾
ÆÃÅbe¼
made
toÆÃ
the
may×Ï
not
Àinterchangeable
ÏüȽ»¾ÏÖ¼¾Å¼ÓÀ
ûÃ
»Æ¿¼Î¾
ļÃ
»¼ÑÒ́
ÀÁ¼¿Õ¼even
ǼÏÃ
»ÆÊÖ»Ã
»¼
with
those
made
toÆÃ
the
DIN ¿
sizes,
though
the
Ïnominal
ÆÎÀϾ¿sizes
À¥Á¼¿Î¾
¼È×½close.
ÂÆ¿¼¨ØForÆÈÀinstance,
ϿþϽ¼ÕÃthe
»¼Æoutside
ÊÿÀļÄdiameter
À¾Î¼Ã¼È
may×Å
be¼Ç
very
¾Êּξ
¾ÈÖ¼¾as¿¯70¬ÎÎÕ
Ǽȥ10%
¬ÙÂlargerthan
¾ÈÖ¼Èû¾Ï
Æofо¿
ÀÁ¼§21/2¦§Ögauge
a size
may×Å
be¼¾
as¿Â
large
mm, Æ
over
Ãthat
»¾ÃÆofо®
¾ÊÖ¼¨
a 63­ÎÎÖ
mm gauge.
The following
ڔ
۔Ûu
Ü݊‡vx{v
~‹y”4567
8GG8B<?ECare96;typical
IF<=CG
3.2.2
Typical
Ranges.
9ranges:
C?E6@W
<in.?LH2O
gdh
\0/10
bZ\
\0/30
bm\
\0/60
bi\
\0/100
bZ\\
\0/200
bd\\
\0/300
bm\\
\0/bZ10\
\0/30
bm\
\0/60
bi\
\0/100
bZ\\
\0/200
bd\\
\0/300
bm\\
F@<
psi
\0/600
bi\\
\0/1,000
bZA\\\
\0/2,000
bdA\\\
\0/3,000
bmA\\\
\0/6,000
biA\\\
\0/10,000
bZ\A\\\
Other
ranges
pressure
h;
5699
C?E6@<including
?=G>H<?EJSI,KAMKSA,
`fJXAnegative
?6EC;<V6F
96@@>96
common
use
and
are
^(vacuum),
VC=>>:aACand
?H=compound
8:F8>?HCare96<in?=
8::8?>
@6C
?HC
96
Caccepted.
==6F;6HL
range,
incluÚ3.2.3
”Û”Ú€Full-Scale
}xxބ‡vxy{Range.
v~‹y”The
4567full-scale
>GGR@=CG69
C?E6A<
?=G>R
and
visible
without
@sive
<V68of7units
>?<;@C
?HV
<@<DG6B<
;58>;the
;56Caid<H8of7power,
F8B69A@shall
5CGG
be
the
D6<indicated
?H<=C;6H8on?;the
567front
98?;8of7;
56Egauge.
C>E6L
Types
Display
Ú3.3”ÚŒŠ
ÝxvÜu
ÜÝy
Dependent
Ú3.3.1
”Ú”zßLiquid
Šà}ŠáCrystal
܁‰vxŽ(LCD).
ßጕ”U6
F6?H6?;8on?Cambient
:D<6?;
be6D
backlit
nighttime
or9
Glighting
<E5;<?E7for899readability.
6CHCD<G<;ILMay
`CID
C=TG<;7for89?
<E5;;<:68
low
power
battery
Glow
8BGlight
<E5;=conditions.
8?H<;<8?@LConsumes
Q8?@>:6@G
8BF
8B697for89D
C;;69I
Additional
units
of7:6
measure
and
Capplications.
FFG<=C;<8?@LXHH<
;<8?CG>?<
;@8
C@>96C
?HCalpha
GF5C
messages
be6H<
displayed.
:6
@@CE6@=can
C?D
@FGCI6HL
Z100\\
âãäåæçèéê ëìííîëïåëêéðëñòðæçóôõëöãóçðêåëã÷ëøðóéôõçóôùëúõèçõððæûü
ýãæðäæãþÿóêçãõëòôåëïðëòôþðëã÷ëêéçûëòôêðæçôùë0çêéãÿêë0æçêêðõëóãõûðõêëã÷ëñöøúü
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
734427389
091 9INDICATING
89190(B40.7)
GAUGES:
DIGITAL
143
ASME B40.100-2005
Table
2 Round
!"#$%Flush/Surface
"&'()"*+,-!
"#./#0
Mounting
1/
2
#
&
/
!
#
&3
14
56
7
"
/
8
#
.
9
Dimensions (DIN Equivalent)
DEC
Case
4Size
>HC
I40J
N50J
P63O
S80J
M100
JJ
M160
PJ
K250
NJ
Case
DEC
4Size
>HC
I40J
N50J
P63O
S80J
M100
JJ
M160
PJ
K250
NJ
:
;<=><?Bolt
:@=Circle
>AB@C
Mounting
8>
DGC=CA
Diameter
mm
>in.<
GG
K2.01
LJM
N51M
K2.36
LOP
P60J
K2.95
LQN
R75N
O3.74
LRI
Q95N
I4.57
LNR
M116
MP
R7.01
LJM
M178
RS
M10.63
JLPO
K270
RJ
6Panel
D<C@TU
C<><?
Opening
Diameter
8>
DGC=CA
mm
>in.<
GG
M1.73
LRO
I44I
K2.13
LMO
N54I
K2.64
LPI
P67R
O3.31
LOM
S84I
I4.09
LJQ
M104
JI
P6.46
LIP
M164
PI
M10J
K254
NI
Œor‰semiconductor
‡—„ŽŒˆ‘”ŽŠŒ‰“˜
‡ˆsubjected
”†©‡ŽŠ‡‘ŠtoŒ—‡
Ž˜ƒˆ„Žƒ stress.
Š‰‡•
when
mechanical
Z3.4.2
žªOptical.
./,Light
«„’˜Š„isŠ
‰ƒˆ—„ŠŠ‡‘ŠtoŒƒ—‡
ƒ”‰„ˆ’
transmitted
a measuring
photodiode,
reflected,
or‰ƒ
attenuated
by
an
š˜ŒŠŒ‘„Œ‘‡‰
‡‡ŽŠ‡‘„interrupted,
ˆŠ‡‰‰”šŠ‡‘Œ
ŠŠ‡ˆ”ƒŠ‡‘†
‹ƒ
ˆ
Œobject
†©‡ŽŠsuch
”Ž˜ƒ
ƒˆ‡Šthat
˜ƒŠ—Œ
‚‡ƒ
˜‡š
‰‡”‰‡‚
ƒ‰„‡•
asƒ‚
a vane
moves
asŠ
the
pressure
Varies.
Z3.4.3
žZ[Capacitive.
,/./8Operates
¥š‡‰ƒŠ‡ŒonˆŠthe
˜‡š‰
„ˆŽ„š‡ŒofŽchang˜ƒˆ’¦
principle
distance
parallel
as
„ing
ˆ’Šthe
˜‡‘„
ŠƒˆŽ‡Œor‰ƒarea
‰‡ƒŒofŽconductive
Œˆ‘”ŽŠ„‚‡š
ƒ‰ƒ ‡plates
šƒŠ‡ƒ
š‰‡”‰‡‚
ƒ‰„‡•
pressure
varies.
Z3.4.4
žž4Inductive.
#$",./8Variable
¬ƒ‰„ƒ†‡–‡
”ŽŠƒˆŽ‡Œor‰«
¬­®(linear
„ˆ‡ƒ‰
Reluctance
LVDT
variable
differential
princi‚ƒ‰„ƒ†‡‘„
‡‰‡ˆŠ„ƒŠtransformer)
‰ƒˆŒ‰—‡‰¯Œoperates
š‡‰ƒŠ‡ŒonˆŠthe
˜‡š‰
„ˆŽ„¦
ple
š‡ŒofŽchanging
˜ƒˆ’„ˆ’„
—š‡‘ƒˆŽ‡ŒofƒŽ
Œ„by
†‹ƒ—Œ
‚„ˆ’ferro‡‰‰Œ¦
impedance
a coil
a moving
—ƒ
’ˆ‡Š„ŽŽcore
Œ‰‡ƒasš
‰‡”‰‡‚
ƒ‰„‡•
magnetic
pressure
varies.
Z3.4.5
ž° Resonant
&!##.%Frequency.
*7"#,ŸA mechanical
—‡Ž˜ƒˆ„Žƒ resonator
‰‡ŒˆƒŠŒ‰
in
‘‡
Š‡ŽŠš‰
‡”‰‡¦„ˆ‘”Ž‡‘stress
Š‰‡†
‹—‡
ƒˆŒofŽ
˜ƒˆ’‡„
ˆ
detects
pressure-induced
by
means
changes
Šthe
˜‡Œoscillating
Ž„ƒŠ„ˆ’frequency.
‰‡±”‡ˆŽ‹•Asingle
„ˆ’‡†
‡ƒ— resonator
‰‡ŒˆƒŠŒ‰Œ
beam
or‰ƒ
a
double—ended
force
may
‘Œ
”†‡¦‡ˆ‘‡‘Štuning
”ˆ„ˆ’fork
Œ‰²‰resonator
‡ŒˆƒŠŒ‰
Œ‰Ž‡sensor
‡ˆŒ‰—ƒ
‹
be
†‡‡employed.
—šŒ‹‡‘•
Z3.4.6
ž³´
6Effect.
++,.ˆ‡
‡ŽŠ‰Œ—ŒŠ„‚‡
Œ‰Ž‡‘‡
‚‡Œš‡‘
Hall
An electromotive
force
developed
a result
a magnetic
interacting
with
a steadyƒasƒ‰
‡”ŠŒofƒ—ƒ
’ˆ‡Š„Žfield
„‡‘„
ˆŠ‡‰ƒŽŠ„ˆ’“„
Š˜ƒ
Š‡ƒ‘‹¦
state
ŠƒŠ‡Žcurrent.
”‰‰‡ˆŠ•
DEC:@=F:@C
8>
DGC=CA
Diameter
mm
>in.<
GG
J0.14
LMI
O3.6LP
J0.14
LMI
O3.6LP
J0.14
LMI
O3.6LP
J0.19
LMQ
I4.8LS
J0.19
LMQ
I4.8LS
J0.23
LKO
N5.8LS
J0.23
LKO
N5.8LS
T;
=E>VC8>
DGC=CA:ofW
Outside
Diameter
DECXD
Y>G;G
Case,
Maximum
mm
>in.<
GG
M1.57
LNR
I40J
M1.97
LQR
N50J
K2.48
LIS
P63O
O3.15
LMN
S80J
O3.94
LQI
M100
JJ
P6.30
LOJ
M160
PJ NOTE:
Other
types
may
be
˜‡‰Štransducer
‰ƒˆ‘”Ž‡‰Š
‹š‡—ƒ
ܠ
‡ƒavailable.
‚ƒ„ƒ†‡•
Q9.84
LSI
K250
NJ µ¥¶·¥Š
Case Bolt Hole
Z3.5°4Input
# ".£Power
!¸*
Common
of„
input
power
are
follows:
¹Œ
——ŒˆŠtypes
‹š‡Œ
ˆš”Šš
Œ“‡‰ƒ
‰‡ƒas
Œ Œ“·
VDC line
º(oz)»¼¬­¹
„ˆ‡
º(11)½¼¬¹
„ˆ‡
VAC line
battery
VDC)
º(C)¾¼†
ƒŠŠ‡‰‹®(internal
„ˆŠ‡‰ˆƒ ¬­¹¯
(d)
º¿¼solar
Œƒ‰
Table
Z3 Rectangular
,.#0"*[Case
&1/
2#&/!#&
Dimensions
3(DIN
1456Equivalent)
7"/8#.9
Height
Width
\]
^_`a
b^ca`
Designation
mm
mm
d]
e^_fga^hf ^in.fL
ii
^in.fL
ii
M1/15
jMP
J0.94
LQI
K24I
O3.78
LRS
Q96P
L.ML..L
M1.89
LSQ
I48S
M1.89
LSQ
I48S
jS
J0.94
LQI
K24I
R7.56
LNP
M192
QK
1/8
L.ML..L
M1.89
LSQ
I48S
O3.78
LRS
Q96P
1/4
jI
M1.89
LSQ
I48S
R7.56
LNP
M192
QK
L.OL..L
O3.78
LRS
Q96P
O3.78
LRS
Q96P
1/8
jS
K2.83
LSO
R72K
R7.56
LNP
M192
QK
L...
L
L
O
L
R
S
Q
P
N
L
P
R
M
II
3.78
5.67
144
96
M1/2j
O3.78
LRS
Q96P
R7.56
LNP
M192
QK
K
LLL
N5.04
LJI
M128
KS
N5.67
LPR
M144
II
GENERAL
NOTE:
These
kl
mlnopmqr
lsr
`]e]garet]]enclosure
fuvhewt]cdimensions.
^i]fe^hfeLxBezels
]y]vez(ifincluded)
^{^fuvwc]c|
may}~
be]v
larger.
ig
gt_]tL
Z3.6³£Pressure
*&&"*[Connection
!##,./!#
pipe
common,
usually
Taper
ƒš‡‰š
„š‡Žconnections
Œˆˆ‡ŽŠ„Œˆƒ
‰‡—Œ
ŠŽ
Œ——Œˆ”
”ƒ ‹
are
most
ASME
B1.20.1.
ÅStandard
Šƒˆ‘ƒ‰‘‡external
™Š‡‰ˆƒ Œor‰„internal
ˆŠ‡‰ˆƒ per
š‡‰Å
ƶǧ
•Á¨•§•ÅSee‡‡
para.
šƒ‰ƒ•È3.9.•É•
§1/8À„
in.
NPT,§
1/4Äin.
NPT,or
NPT American
ˆ•Á27µÝ
„ˆ•§18ÀµÃ
Œ‰§‘/2Áin.
„ˆ•§14ĵ݁—‡
‰„Žƒˆ
Accuracy
Z3.7ÊË
,,"*,Ÿ
General.
There
ways
toŒ‡
express
the
Z3.7.1
Ê¡¢
#*˜
‡‰‡ƒare‰‡Štwo
“Œ“ƒ
‹Š
™š‰‡Š
˜‡—‡
ƒ¦
mea-
a digital
are
surement
”‰‡—‡ˆŠƒaccuracy
ŽŽ”‰ƒŽ‹Œofƒ‘„
’„Šƒpressure
š‰‡”‰‡’gauge.
ƒ”’‡•They
˜‡‹ƒ
‰‡
in
percent
span
/ or‰„
in
ƒallowable
Œ“ƒ†‡„indication
ˆ‘„ŽƒŠ„Œˆ‡error
‰‰Œ‰„
ˆš‡
‰Ž‡ˆŠŒof
šƒˆƒand
ˆ‘ÌŒ
ˆ
be‡ˆ
noted
gauge
š‡‰Ž‡ˆŠŒof‰reading.
‡ƒ‘„ˆ’•ÍItŠshould
˜Œ”‘†
ŒŠ‡‘Šthat
˜ƒŠforŒ‰’
ƒ”’‡
percent
‰ranges
ƒˆ’‡starting
Šƒ‰Š„ˆ’ƒatŠÎzero,
‡‰ŒŠthe
˜‡š‡
‰Ž‡ˆŠŒofspan
šƒˆ‡
±”ƒpercent
š‡‰Ž‡ˆŠ
percent
equals
full
Œof
” scale.
Žƒ‡•See
҇ÏFig.
„’•§1.•
For
Œ‰‡example:
™ƒ—š‡·
Diode
Available
a variety
Z3.3.2
Z€Light
/0'.6Emitting
2/../#01/
!$3(LED).
€619‚
ƒ„ƒ†‡„inˆƒ‚
ƒ‰„‡Š‹ Ï
(cl)
If
a digital
has
a span
psi„ƒ
and
º
»
¼Í
ƒ‘„
’„Šƒ ’gauge
ƒ”’‡˜
ƒƒ
šƒˆŒof§100¨¨š
ˆ‘ƒanˆ
blue.
ŒofŽcolors,
ŒŒ‰ˆnotably
ŒŠƒ†‹‰red,
‡‘Œorange,
‰ƒˆ’‡‹yellow,
‡ Œ“’green,
‰‡‡ˆƒand
ˆ‘†
”‡• ƒaccuracy
of
of
0.1%
span:
Ž
Ž
”
‰
ƒ
Ž
‹Œ
¨
•
§
Ð
Œ
Ñ
Ò
»
Ó
·
Readable
most
–‡
ƒ‘ƒ†‡„inˆ—Œ
Šƒambient
—†„‡ˆŠlighting
„’˜Š„ˆ’Žconditions
Œˆ‘„Š„Œˆ‡except
™Ž‡šŠ
Allowable
atŠ§
100
psi„„
is
º(1)Ô¼
Œ“ƒ†‡„indication
ˆ‘„ŽƒŠ„Œˆ‡error
‰‰Œ‰ƒ
¨¨š
bright
†‰„’˜Šsunlight.
”ˆ„’˜Š•
= ¨
X§
100
0.1
psi„
¨
¨Õ
•
§š
¨
•
§
Ð
0.1%
Vacuum
Usually
Z3.3.3
ZZ›
,""2%Fluorescent.
"!*&,#.œ
”ƒ ‹ƒamber
—†‡‰Œor‰’green
‰‡‡ˆ„inˆ
Allowable
atŠ§
10¨š
psi„„
isƒ
also
º(2)Ö¼
Œ“ƒ†‡„indication
ˆ‘„ŽƒŠ„Œˆ‡error
‰‰Œ‰ƒ
Œ
These
be‡‡
extremely
bright
be‡
seen
Žcolor.
ŒŒ‰•˜
‡‡Žcan
ƒˆ†
™Š‰‡—‡‹†
‰„’˜Šƒand
ˆ‘Žcan
ƒˆ†
‡‡ˆ„inˆ ¨0.1%
= ¨
X§
100
0.1
psi„
•
§
Ð
¨
¨Õ
•
§š
direct
Usually
more
power
‘„
‰‡ŽŠsunlight.
”ˆ„’˜Š•œ
”ƒ ‹Žconsume
Œˆ”—‡—Œ
‰‡šŒ
“‡‰Šthan
˜ƒˆŒother
Š˜‡‰ º(b)½¼ÍIfƒ‘„
a digital
has
a span
psi„ƒ
and
’„Šƒ ’gauge
ƒ”’‡˜
ƒƒ
šƒˆŒof§100¨¨š
ˆ‘ƒanˆ
display
‘„
šƒ‹Štypes.
‹š‡•
of¨
0.1%
ƒaccuracy
ŽŽ”‰ƒŽ‹Œ
•§Ð Œof×reading:
Ø»¿ÙÓÚ·
Allowable
atŠ§
100
psi„„
is
º(1)Ô¼
Œ“ƒ†‡„indication
ˆ‘„ŽƒŠ„Œˆ‡error
‰‰Œ‰ƒ
¨¨š
Transducer
Z3.4ž
*#&$",*Types
Ÿ&
psi„
¨0.1%
•§Ð x §100¨¨Õ= ¨0.1•§š
Allowable
is
Gauge/
OperZ3.4.1
ž¡ Resistive
&/&./83(Strain
).*/#¢
"0(£Piezoresistive).
/¤!*&/&./89¥š‡
‰¦
º(2)Ö¼
Œ“ƒ†‡„indication
ˆ‘„ŽƒŠ„Œˆ error
‡‰‰Œ‰ƒatŠ§10¨ psi
š„„
principle
a conductor
psi„
ƒates
Š‡ŒonˆŠthe
˜‡š‰
„ˆŽ„š‡Œof‰resistance
‡„ŠƒˆŽ‡Žchange
˜ƒˆ’‡ŒofƒŽ
Œˆ‘”ŽŠŒ‰ ¨0.1%
•¨§š
•§Ð X §10¨Õ= ¨0.01
f
§101¨§
ÛÜÝÞßàáâã äåææçäèÞäãâéäêëéßàìíîäïÜìàéãÞäÜðäñéìâíîàìíòäóîáàîééßôõ
öÜßéÝßÜ÷øìãàÜîäëíÞäèéäëí÷éäÜðäãâàôäëíãéßàíòäùàãâÜøãäùßàããéîäìÜîôéîãäÜðäêïñóõ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 300 4567
ASME B40.100-2005
GAUGES: PRESSURE DIGITAL INDICATING (B40.7)
:;
<=;>?@A;BCD
EF@
>BGvsHB:;
<=;>?@A;BCD
I;
@JK>A
Percentage
ofB
Span
Percentage
ofB
Reading
2
!"#
$%$&''error
(("()limit
$*$%+(%, "!./
Max.
positive
of #
span)
\
8
IE
E
E
O
if
!"#$%$&''(("()$*$%+, "-('0$.1/
—
K Max. positive error limit (% of reading)
_
/-
_
Range
of
4
.1'"#stated
%%'0accuracy
556(57
—
_
3
0
_
Max.
negative
.'
1%$&''error
(("()limit
$*$%+(%, "'0$.1/
of (
reading)
;
Max.
negative
.'
1%$&''error
(("()limit
$*$%+(%, "!./—/
of #
span)
I
I
l
I
l
l
I
l
Percentage
8'
(5'.%1'".
of 9!
Span
100
LFig.
MNOP1 Accuracy
QRRSTURV
When
a percent
a digital
downscale
readings)
a straight
line
so`\`
positioned
WX
YZ[\
Y]^YZ_`ofa]reading
Y[bcZdYerror
]]`]cise[applied
\\fcYb_to`[bc
dc_[f b`
mZe^[fY]
Y[bcZde€afrom
]`j [e
_][cdX_f
cZYe
ec_c`ZYb
by
values
minimize
maximum
deviation.
dgauge,
[gdYhcit_eshall
X[ffbeiY[accompanied
^^`j\[ZcYbi
k_the
XYl
[fgYe`ofa_the
XY]range
[ZdY [ase_to`jc
ZcjcqY_the
XYj[
|cjgj bY
lc[_c̀Zn
within
which
mc
_XcZmX
c^X_the
XY[accuracy
^^g][^kestatement
_[_YjYZ_[applies.
\\fcYenThe
oXYlvalues
[fgYe
Terminal
Based.
The maxiu3.7.3.1.2
OvOuOPOw’Linearity,
M“ŒUTMzV”˜
ŒTyM“U™šU
‡Œ–OoXYj[
|c}
because
`ofa_the
XY]range
[ZdY[are]Y]required
Ypgc]Ybi
Y^[geY_the
XY[allowable
ff̀m[ifYYerror
]]`] jgj
mum bY
deviation
ofa[^
a calibration
curve
(average
upscale
l
c
[
_
c̀Z`
[
f
c
i
]
[
_
c̀Z^
g]
l
Y
[
l
Y
]
[
d
Yg\e
^
[
fY
pressure
[approaches
\\]`[^XYeqzero
Y]`[ase_the
XY\
]Yeeg]Y[approaches
\\]`[^XYeqzero.
Y]`nrSeeYY [and
downscale
readings)
from
a straight
line
coinciding
Z
bb`
mZ
e
^
[
f
Y]
Y
[
bc
Z
d
e
€
a
]
`
j[e
_
]
[
c
d
X
_
f
c
Z
Y^
`
c
Z
^
c
bc
Z
d
sFig.
cdnt1.n
mc
_X_the
XY^calibration
[fci][_c`Z^curve
g]lY[at__the
XYg\\
Y][and
Zbf̀mY
[ZdY
with
upper
lower]]
range
[fgYen
Accuracy
beYe
stated
with
a maxiu3.7.2
OvOwLFormat.
xTyUzO{^
^g][^keshould
X`gfbi
_[_Ybmc
_X[j[
|c} lvalues.
mum `
ofa_
two
digits
by
%S (percent
jgj
m`esignificant
cdZcac^[Z_bc
dc_eafollowed
`ff`mYbi
k~r
\Y]^YZ_
u3.7.3.1.3
OvOuOPOu’Linearity,
M“ŒUTMzV”›Zero
ŒTxšU
‡Œ–OoXYj[
|cjgj
Based.
The maximum
TheYj`
most
`ofaespan)
\[Z€`or]~
\Y]^YZ_`ofa]reading).
Y[bcZd€noX
e_esignificant
cdZcac^[Z_ bY
%R (percent
deviation
ofa[^
a calibration
curve
(average
upscale
l
c
[
_
c̀Z`
[
f
c
i
]
[
_
c̀Z^
g]
l
Y
[
l
Y
]
[
d
Yg
\e
^
[
fY[and
Zb
digit
may
beY[
any
whole
number.
TheYf
least
bc
dc_j[
ki
ZkmX
`fYZ
gjiY]noX
Y[e_esignificant
cdZcac^[Z_ b`
downscale
readings)
from
a straight
line
so`\`
positioned
mZ
e
^
[
f
Y]
Y
[
bc
Z
d
e
€a
]
`
j
[e
_
]
[
c
d
X
_f
c
Z
Ye
e
c
_
c
`
Z
Yb
digit
when
digits
used
must
beY[a
a five.
bc
dc_mX
YZ_two
m`bc
dc_e[are]Yge
Ybjg
e_i
clYn
coincide
with
the
calibration
curve
at
the
lower
[ase_to`^`cZ^cbYmc_X_XY^[fci][_c̀Z^g]lY[__XYf̀mY]
{^^Y\_[ifY
‚`_[acceptable
^^Y\_[ifY
Acceptable
Not
to`jc
minimize
maximum
deviation.
value
]range
[ZdYl
[fgY[and
Zb_
ZcjcqY_the
XYj[
|cjgj bY
lc[_c`Zn
ƒ0.025%
nƒ„~
ƒ0.024%
nƒ„†~
Hysteresis.
difference
at_each
u3.7.3.2
OvOuOwœV
‡zŒTŒ‡M‡OThe
oXYbc
aaY]YZ^Y[
Y[^X_test
Ye_point
\`cZ_
ƒ0.04%
nĠ~
ƒ0.041
nĠt~%
between
increasing
pressure
and
decreasing
pressure
i
Y
_
mY
Y
Zc
Z
^
]
Y
[
e
c
Z
d\]
Y
e
e
g]
Y[
Z
bbY
^
]
Y
[
e
c
Z
d\]
Y
eeg]Y
t1.5%
n~
t1.55%
n~
point,
from
]readings,
Y[bcZdeh[at__the
XYesame
[jY_test
Ye_\
`cZ_h[approached
\\]`[^XYba
]`j both
i`_X
Which
MayVQ
Affect
Accuracy.
TheYj`
most
u3.7.3
OvOuLFactors
URzxT‡ˆ‰
MR‰ŠU
‹‹ŒRzQ
RRSTURVOoX
e_ cincreasing
decreasing
pressure
directions,
a single
Z^]Y[ecZd[and
ZbbY
^]Y[ecZd\]
Yeeg]Ybc
]Y^_c̀ZehincZ[e
cZdfY
which
^common
`jj`Zafactors
[^_`]emX
c^X^contribute
`Z_]cig_Y_to`_the
XY_total
`_[f[accuracy
^^g][^k \]
in
format
accuracy.
Yeeg]Y^cycle,
k^fYhY
|\]YeeYbc
Z_the
XYesame
[jYa
`]j[_[ase[
^^g][^kn
pressure
expressed
[are]Yespecified
\Y^cacYbcinZ\paras.
[][en3.7.3.1
nŽnnt_through
X]`gdX3.7.3.9.
nŽnnnAll
{ff`ofa_the
XY rSeeYYsFig.
ASME
B40.1.
cdnA-1
{}t`ofa{r
ž†
ƒntn
must_i
beY^
considered
when
Yerror
]]`]afactors
[^_`]ejge
`ZecbY]YbmX
YZ^comparing
`j\[]cZd_the
XY
maximum
difference
u3.7.3.3
OvOuOuŸRepeatability.
Œ—ŒUzU M™MzVOThe
oXYj[
|cjgj bc
aaY]YZ^Y
digital
Manufacturers
[accuracy
^^g][^kestatements
_[_YjYZ_e`ofabc
dc_[fdgauges.
[gdYen[
Zga[^_g]Y]e between
any
two
or
more
consecutive
indications,
under
i
Y
_
mY
Y
Z[
Z
k_
m``
]
j`
]
Y^
`
Z
e
Y
^
g_
c
l
Yc
Z
bc
^
[
_
c
`
Z
ehgZ
bY]
which
included
eshall
X[ffestate
_[_YmX
c^Xafactors
[^_`]e[are]Yc
Z^fgbYbcinZ_the
XY[accuracy
^^g][^k _the
same
operating
conditions,
for
the
same
applied
X
Ye
[
jY`
\
Y
]
[
_
c
Z
d^
`
Z
bc
_
c̀Z
e
ha
`
]_
X
Ye
[
jY[
\\
f
cYb
user
digital
estatement
_[_YjYZ_cinZ`order
]bY]_to`[allow
ff`m_the
XYge
Y]_to`Yevaluate
l[fg[_Ybc
dc_[f \]
pressure
approached
from
the
same
direction,
expressed
Y
e
e
g
]
Y[
\
\
]
`
[
^
X
Y
ba
]
`
j_
X
Ye
[
jYbc
]
Y
^
_
c
`
Z
h
Y
|
\]
Y
e
e
Yb
6 for
dgauges.
[gdYenrSeeYYesection
Y^_c`Z‘a
`]]recommended
Y^`jjYZbYb_test
Ye_procedures.
\]`^Ybg]Yen cinZ_the
accuracy.
XYesame
[jYaformat
`]j[_[ase[
^^g][^kn
maximum
deviation
TheYj[
a caliu3.7.3.1
OvOuOP’Linearity.
M“ŒUTMzVOoX
|cjgjbY
lc[_c`Z`ofa[^
[fc}
Display
incremenu3.7.3.4
OvOuO¡¢M
‡—™UVŸResolution.
Œ‡x™SzMx“OThe
oXYesmallest
j[ffYe_c
Z^]YjYZ}
bration
upscale
downscale
i][_c̀Z^curve
g]lY(average
[lY][dY`ofag\
e^[fY[and
Zbb`
mZe^[fY]readY[b} _tal[f^
change
ofa_
the
input
that
can
beYc
indicated
by
the
X
[
Z
d
Y`
X
Yc
Z
\g__
X
[
_^
[
Zi
Z
bc
^
[
_
Y
bi
k_
XY
a straight
cings)
Zde€afrom
]`j [e
_][cdX_fline.
cZYn
display.
value
bc
e\f[knThis
oXcel
[fgYeshall
X[ffbeiYfless
Yee_than
X[Z_the
XY[allowable
ff̀m[ifYYerror.
]]`]n
maximum
A higher
TheYj[
does
not
necessarily
better
u3.7.3.1.1
OvOuOPOP’Linearity,
M“ŒUTMzV”•Independent.
“–Œ—Œ“–Œ“zOoX
|cjgj {X
cdXY]]resolution
Ye`fg_c`Zb`
YeZ
`_Z
Y^Yee[]cfk]reflect
YafY^_i
Y__Y]
deviation
a calibration
bY
lc[_c̀Z`ofa[^
[fci][_c̀Z^curve
g]lY(average
[lY][dYgupscale
\e^[fY[and
Zb [accuracy.
^^g][^kn
(
t102ƒ„
£¤¥¦§¨©ª« ¬­®®¯¬°¦¬«ª±¬²³±§¨´µ¶¬·¤´±̈«¦¬¤¸¬¹±´ªµ¶¨´µº¬»¶©¨¶±±§¼½
¾¤§±¥§¤¿À´«¤̈¶¬³µ¦¬°±¬³µ¿±¬¤¸¬«ª¨¼¬³µ«±§µ̈º¬Á¨«ª¤À«¬Á§¨««±¶¬´¤¶¼±¶«¬¤¸¬²·¹»½
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
734427389
091 9INDICATING
89190(B40.7)
GAUGES:
DIGITAL
143
ASME B40.100-2005
3.7.3.5
Temperature.
!"#$%"&'
'(')*+
,(occur
--.'/01
2+a b(b)hd'relay
1;+,(output(s)
.86.8e)f
Errors
may
when
3gauge
+.314is)1exposed
56()178to(+an2+ambient
*941288temperature
1*61'+8.'18that
0+874
:
:
1
'
)
differs
b(C)rd-current
.''128+and
27>
(;8+31+analog
2+;(3(output(s)
.86.8e)f
voltage
The1>
value
:from
'(*8the
01-calibration
+;49'+84(28temperature.
1*61'+8.'1<=0
+;.1(of:8this
04)1error
''(' b(11)sd61
hold:
display
+g+and
270
(;7qinstrument
42)8'.*128will
/4;;74
)6;+,+and
27'
18+42
peak
retain
)should
0(.;79
8+817+as)+?(
6+2@A
B(or'@A
C(or'+as)+?(
be1)
stated
a % of:)
span
/ °C
/°F
a % of: 8
the
010
4301)8+and
27@(
(/1)86'
1)).'1
highest
/ or';
lowest
pressure
'reading/°C
1+7423@AB(or'@A
C<=0
::1-8(of:8temperature
1*61'+8.'1(on2Dzero
1'( b(e)td6'
/°F.
The11
effect
1))8
1+7q+:
1+8.'1.)
178to(-conserve
(2)1'>19
+881',
press
to('
read:
a feature
used
battery
+and
27)span
6+2*+
,9
11
5
6
'
1
)
)
1
7)
1
6+
'
+
8
1
;
,
<
may be expressed separately.
by
display
draining
;life
4:19
,)suppressing
.66'1))4238the
0174
)6;+,+and
27(other
801'power
6(/1'7'
+42423
.2-84(2).2
84;+9
.88(24is)6
'1))17
until
a button
pressed
3.7.3.5.1
EF
GHI$Temperature
!"#$%"JCompensation.
K !IL#$HKIMIf: :functions
Ambient
b
u
d(
**.
2
4
+
8
4
(
2
)
q
(f)
communications:
8temperature
1*61'+8.'1-compensation
(*612)+84(24is)1employed,
*6;(,17N8the
011
::1-84>1
effective
b(1)„d}RS—232C
a†ƒ†B
must
be1)
specified.
8temperature
1*61'+8.'1'range
+231(of:-compensation
(*612)+84(2*.
)89
61-4:417<
b
‡
dM
&&&ˆ
‰‰
488
IEEE
(2)
3.7.3.6
OP"
HQ$R(Long-Term
SKITU" VStability).
$#GHWH$XY&'
'(')*+
,(occur
--.'
Drift
Errors
may
b
Š
d‹Œ}=
HART
(3)
(over
>1'8time.
4*1<=0
4)1error
''(')should
0(.;79
8+817+as)+?
6+2
This
be1)
stated
a % (
of:)
span
b(4)dMISAŒ SP-50
kaŽ‚
per')
specified
period
(or'?% (of:'reading
1+742361
61-4:4176
1'4(7(of:8time.
4*1<
b(5)d8
01'
Other
power
indicator
(/6(
/1'4
274-+8('
The18
time
3.7.3.7
Z#
" %!Time.
H=0
4*1'required
1[.4'178to(+achieve
-041>1 b(g)vd;low
Warmup
b(I1)wd+auto
.8('ranging
+23423
'rated
+817+accuracy
--.'+-,+after
:81'6power
(/1'4is)+applied.
66;417<
(1')
pressure
unit
xd6'
1)).'1.2
48)selection
1;1-84(2
Adjustment.
3.7.3.8
\]Zero
"KF
^_%L$ I$=Two
/(9
+)4-Dzero
1'(+adjust7.̀)8a b
basic
b
d9
+
8
8
1
'
,9
+
g
.6
backup
battery
(j)y
*1
28*1
80(7)+are'1.)
17/0
4-0-can
+2+affect
::1-8+accuracy.
--.'+-,<
ment
methods
used
which
\‘"
#^Accuracy
Œ--.'+-,4
'+717+as))
0(/29
1;(/e(see
)11
Grade.
is)3
graded
shown
below
The11
entire
either
b(or)cd=0
284'1)span
6+2(of:8the
014instrument
2)8'.*1284is))shifted
04:8171
4801' 3.8.3
para.
3.7.1):
6+
'
+
<
ƒ
<
’
<

f
q
up or'7(
down
a direct
.6(
/24in2+74
'1-8'relationship
1;+84(2)046e(without
/480(.8+affecting
::1-8423
)span)
6+2f+allowing
;;(/4238the
01.)
1'8to('reset
1)188the
01Dzero
1'(6(
428<B+
'1
user
point.
Care
“'+71
k1'*4))49;1&''('
be18
taken
method
because
)should
0(.;79
+g124if:8this
04)*1
80(74is)+available
>+4;+9;19
1-+.)1+an2
Ž5AŒ
”‚
<‚Ž?(of:)span
6+2
:0.05°/o
may
be14
incor4incorrect
2-(''1-8Dzero
1'()setting
188423*+
,-cause
+.)14indications
274-+84(2)8to(9
2-('a
ˆ
Œ
”‚
<

?(
:)
6
+2
'rect
1-88throughout
0'(.30(.88the
011entire
284'1'range.
+231<
:0.25°/o
ƒ3AŒ
”‚
<†Ž?(of:)span
6+2
The14
instrument
indicate
b(b)hd=0
2)8'.*1284is)i”forced”
:('-17j8to(4
274-+81Dzero
1'(+as))soon
((2
†Œ
”‚<Ž?(:)6+2
Œ
”<‚?(:)6+2
pressure
predetermined
+as)8the
014input
26.86
'1)).'17'
(6)9
1;(/)some
(*16
'17181'*4217
drops
below
•
”†<‚?(:)6+2
>
+;.1<B(
**(2;,-called
+;;17i”auto
+.8(Dzero,"
1'(Nj8this
04):feature
1+8.'14is).)
.a
value.
Commonly
usuwithin
+ally
;;,4incorporated
2-('6('+817/4
80428the
014instruments
2)8'.*128):firmware
4'*/+'1+and
27
reading
ŽSAR
Œ}
”‚
<‚Ž?(of:'
1+7423
$0.050/0
by
near
4is)8therefore
01'1:('12not(8+adjustable
7.̀)8+9;19
,8the
01.user.
)1'<kPressures
'1)).'1)2
1+'
ˆŒ}
”‚<?(:'1+7423
$0.250/0
reading
ƒ3AR
Œ}
”‚
<†Ž?(of:'
1+7423
Dzero
1'(*+
,9
g1/17(or'2
(84indicated.
274-+817<
may
be1)
skewed
not
†
Œ}
”‚
<
Ž
?(
:'
1
+7423
Other
3.7.3.9
lm$
n"oFactors.
#p$K"LkPosition,
()484(2N>vibration,
49'+84(2N+accelera--1;1'+a
Œ}
”<‚?(:'1+7423
8tion,
4(2N1etc.8-<
•}
”†<‚?(:'1+7423
Grade
Permissible Error
4A
:0.1°/a of span
2A
A
:0.5°/a of span
:1.0°/a of span
B
:2.0°/a of span
4AR
:O.1°/o of reading
2AR
AR
:O.5°/o of reading
11.0% of reading
BR
:2.0°/o of reading
Options
3.8\VSelection
Wp$HKI#and
I^m!
$HKIL
3.9l–Installation
IL$#WW#$HKI
Before
using
a pressure
consideration
•1
:
1.)
423+6'
1)).'13gauge,
+.31N(2)471'+84(2)should
0(.;7
The1:
following
a list
3.8.1
\EVSelection.
Wp$HKI=0
(;;(/4234is)+;
4)8(of:-criteria
'481'4++a 9134>(1'28
2>4'(2*128+;-conditions
(27484(2))such
.-0+
1*61'+a
be given to(1
environmental
as)8
tempera-
user
before
a pressure
.)
1')should
0(.;7-check
01-g9
1:('1)selecting
1;1-8423+6'
1)).'13gauge:
+.31q 8ture
process),
.'1e(ambient
+*94128+and
276
'(-1))fNhumidity,
0.*4748,Nvibration,
>49'+84(2Npulsa6.;)+a
pressure
unit(s)
measure
b(61)cd6'
1)).'1'range
+231+and
27.2
48e)f(of:*1
+).'1
tion,
shock,
and
the
possible
need
for
protective
8
4
(2N)
0(gN+
278
016()
)
4
9;
121
1
7:
('6'
(8
1
-84>1
b(19)hd+accuracy
--.'+-,
attachments
and/
or
special
installation
requirements.
+
8
8
+
0
*1
2
8
)+
2
7@(
')
6
1
4
+
;4
2
)
8
+
;
;
+
8
4
(
2'
1
[
.4
'
1
*1
28)<
display
b(C)rd74
)6;+,'resolution
1)(;.84(2
Refer
4).
to
Safety
(see
section
}1
:
1
'8
(
+
:
1
8
,e
)
1
1)
1
8
4
(
2ˆ
f
<
b(d)sd-case
+)1)size
4D1+and
27*+
81'4+;
material
The16'
pressure
must8be
compatible
with
the
=0
1)).'1-connection
(221-84(2*.)
91(*6+849;1/4
808
01
b(e)td8transducer
'+2)7.-1'8type
,61
mating
connection,
and
appropriate
assembly
tech*+
8
4
23(
221
8
4
(
2N+
27+
66'
(
6'
4
+
8
1+
)
)
1
*9
;
,8
1
0a
display
b(f)ud'readability:
1+7+94;48,q74
)6;+,8type
,61+and
27)size
4D1
For
example,
improper
tightniques
must89
be1.8
utilized.
2
4
[
.1
)*.)
4
;
4
D
1
7<C
(
'1
5
+
*6;
1
N4
*6'
(
6
1
'8
4
3
0
8a
process
b(g)vd6'
(-1))-connection
(221-84(28thread
0'1+7)size
4D1+and
278type
,61
ening
could
create
a
stress
or
strain
in
the
transducer
12423-(.;7-'1+81+)8'1))(')8'+42428018'+2)7.-1'
b(h)wd8temperature
1*61'+8.'1-compensation
(*612)+84(2
a shift
the
damage
1element,
;1*128N-causing
+.)423+)
04:84in28
013gauge
+.31'reading,
1+7423N7+
*+31
materials
wetted
joints
b(1')xd*+
81'4+;)(of:/1
88176parts
+'8)+and
27`
(428)
components.
Installation
to
the
case,
or'(
other
internal
8
(8
0
1+
)
1
N(
8
0
1
'4
2
8
1
'
2
+
;(
*6
(
2
1
2
8
)
<M
2
)
8
+
;
;
+84(2
b(j)yd1environmental
2>4'(2*128+;-conditions
(27484(2)
the
of:8
the
gauge
should
be1+
accomplished
by
tightening
(
0
13
+
.3
1)
0
(
.
;
79
(
*6
;
4
)
0
1
79
,8
4
3
0
8
1
2
4
2
38
01
power
b(k)zd6(
/1''requirements
1[.4'1*128)+and
271electrical
;1-8'4-+;
pressure
connection
using
wrench
flats
if
provided.
Con6'1)).'1-(221-84(2.)423/'12-0:;+8)4:6'(>4717<B(2a
-connection
(221-84(28type
,61
proper
procedures.
)sult
.;8)supplier
.66;41':for('6
'(61'6'
(-17.'1)<
mounting
b(I){d*(
.28423
RFI,
EMI,N:
fluorescent
lighting,
b(m)
|d2noise:
(4)1q}C
MN&~M
;.('1)-128;
4308423N1etc.8-<
SAFETY
Fo˜™šRECOMMENDATIONS
˜Jm››˜œPF–mœV
4 V
in
hazb(rt)d)safety
+:18,-considerations:
(2)471'+84(2)q3generation
121'+84(2(of:)sparks
6+'g)4
20
+Da —
+ardous
'7(.)+areas,
'1+)N1etc.8-<
—4.1EVScope
pK!
The1:
following
a partial
presents
information
users,
Options.
3.8.2
\€m!
$HKIL=0
(;;(/4234is)+6+
'84+;;list
4)8(of:(options
684(2) =0
This
4))section
1-84(26'
1)128)4
2:('*+84(28to(3guide
.471.)
1')N)sup.6a
pliers,
the
haza user
before
+.)
1')should
0(.;7-consider
(2)471'9
1:('1:final
42+;)selection:
1;1-84(2q
manufacturers
minimizing
6;41')N+and
27*+
2.:+-8.'1')8toward
(/+'7*4
24*4D4238
010
+Da
that
could
misuse
misapplication
of:
b(a)cd+alarm(s)
;+'*e)f
+ards
'7)8
0+8(.;7'result
1).;8:from
'(**4
).)1(or'*4
)+66;4-+84(2(
‚ƒ
American
Mechanical
Engineers.
Copyright
ž
Ÿ¡¢£¤¥©¦§2006
¨¨©¦ªby¦the
¥¤«¦¬­«
¡¢®¯°¦±Society
ž®¢«¥¦žof²¦³«
®¤¯°¢®¯´¦µ°
£¢°««¡¶·
No
material
ASME.
¸ž¡reproduction
«Ÿ¡ž¹º®¥¢ž°¦may
­¯¦ªbe«¦made
­¯¹«¦žof²¦¥this
¤¢¶¦­¯
¥«¡¢̄´¦without
»¢¥¤žº¥¦written
»¡¢¥¥«°¦®consent
ž°¶«°¥¦žof²¦¬±
³µ·
01234567866966
0 31311 300 4567
ASME B40.100-2005
GAUGES: PRESSURE DIGITAL INDICATING (B40.7)
with
gauges.
!"#
should
#$%&'
($)*
)+%+,+
-# 54.2.6
676vw
?C=9:KQEffects.
JJ9AK@6xFire
+and
.&explosions
M%$+$.,+
-#+. a
pressure
The
user
become
familiar
Violent
within
%
%
(
+
$
.
$
*#
+
/
.
&
&0
%
%
(
$
*
*
1
1
)
(
.(
*
+
%
!x
+
%
+
.
$)4
all sections of this Standard, as all aspects of safety
pressure system can cause failures. Failure in a (
combe(
covered
Consult
produce
violent
effects.
(cannot
..$-'
$2&+in.-this
#+section.
(-+$.!3$
.%--the
#supplier
%+ &gassystem
1-) (can.
$&(2
+$%.-
**(-!Violent
y+$%.pressed
*for$advice
&2+(,#
.2-there
#+is.
(-+.-1about
'$--the
#appli%+4 effects
**(-)
1also
%$'
$&(&'
1$other
-#*
+%(
whenever
uncertainty
may
be
produced
by
failure
causes
(cation.
-+$.!
+including,
.(%&+.0'
-.
$
-%
+
)+
&$#
*
$
%
%
$
,+
.
_
but not limited to the following:
([1)
hydrogen
`
a
b#
1
&
$
.embrittlement
)'+--%).54.26789
:9;<=>?
@AB@@?C:
General
Discussion
`(b)cb(
$.-)+. -+$.$of*a (compressed
$)&gas
contamination
db*
$) -+$.$of*acetylides
(-1%+&
(C)
formation
54.2.1
676DEPlanning.
=<::?:F6G&
H -safety
*-1results
%-*from
$) +intelli.-%%+4 `
Adequate
weakening
joints
wetted
parts
`(d)eb,
r.+.$of*soft
$*-soldered
$%&&O
$+.-$of*,
--&
-
planning
gent
.-%
..+.and
.&(careful
*%selection
%(-+$.and
.&+installation
.-%%-+$.$of* by
-) $or$other
-##
-sources
$(
steam
heat
gauges
+into
.-$a pressure
system.
1-)!"#
should
#$%&+inform
.*$) '1
The
user
r.+.$of*soft
$*-soldered
$%&&$orsilver
+%2'
Z&O
$+.-
weakening
brazed
joints
pertinent
-the
#supplier
%+$of*all%%(conditions
$.&+-+$.
-+..--to$-the
#application
%+(-+$. `(e)fb,
wetted
parts
caused
by
heat
--&
-(
&'
1#
-sources
$(such
(#as*fires
+
.&environment
.2+$.).-so$-that
# --the
#supplier
%+(can.recommend
($)).& $of*,
and
`(f)gb(corrosion
$$+$.
-the
#)$
-suitable
+-'%gauge
*for$-the
#application.
%+(-+$.!
most
`
h
b*
-+
(g)
fatigue
The#
history
with
respect
54.2.2
6767ISafety.
<J9KL6"#
+-$1$of*safety
*-1,+
-#
(--to$ `(/1)ib)
mechanical
(# .+(%shock
#$(r
-the
#
gauges
#has'
.excellent.
M(%%.-!NInjury
.O1-to$ `(1')jbexcessive
use$
of*
pressure
been
M
(
+
2
2
+
'
-+$.
vibration
personnel
have
been
minimal.
$..%and
.&&damages
) -to$property
$-1#
2'
.)+
.+) %!
676zpC
U9@CofJEPressure
;9@@B;98<
BF9{Failure
<?=B;9
Modes
Gauge
most
been
misuse
NIn.)$
-+instances,
.-.(0-the
#(cause
$of**failure
+%#has'
.)+
54.2.7
misapplication.
$or)+
%+(-+$.!
failure
by
-+*
+%(caused
&'
1
54.2.7.1
676z6D{Fatigue
<K?FB9{Failure.
<?=B;96xFatigue
4
+
.
&
(
&
.
%
%
1$
(
(
*
$
)#
+
.
+
&
pressure-induced
stress
generally
occurs
from
the
inside
The pressure54.2.3
676PQElastic
=<@K?AQElement
=9R9:KS(Transducer).
T;<:@UBA9;V6"#
4 -to$-the
#$outside
-+&along
%$.a highly
#+#%1stressed
-&edge
&
&+!/Such
(#
radius.
sensing
.+.element
%).-+in.)$
-gauges
+
'O(-&-to$#
+# *failures
most
is
subjected
high
are
usually
more
critical
with
compressed
gas
+
%
%
%
1)$
(
+
+
(
%,+
#(
$
)
&
+internal
.-. %stresses,
-0and
.&applications
%+(-+$.exist
M+-,#
-the
#$
+4 )
where
possimedia
than
with
liquid
media.
&+
#
.,+
#%
+
H
+
&)
&+
!
bility
present.
Pressure
'+%+-1$of*(catastrophic
--$#+(*failure
+%+is
.-!W
regula%4
diaphragm
pulsation
-tors,
$0&+
#) X(chemical)
(#)+(%Yseals,
%0%
-+$.&dampers
)$or
54.2.7.2
676z67|}
9;~;9@@B;9{Failure.
<?=B;96Overpressure
2*
+%
Overpressure
failure
snubbers,
.''0syphons,
1#$.0and
.&$other
-#similar
+)+%+items,
-)0areavailable
2+%'% +is(caused
by
&'
1-the
#application
%+(-+$.$of*+internal
.-. %pressure
greater
-
use+
in
potentially
hazardous
The#
haz*for$
.-these
#
$-.-+%%1#
Z&$systems.
1-)!"#
Z4 -than
of*the
occur
# .-the
#rated
-&%limits
+)+-$
#elastic
%-+(element
%).-and
.&(can.$
((
ard
higher
pressure.
&potential
$-.-+%+increases
.(at-#
+#$operating
-+.
! ,#
when
in
.a low
%$, pressure
-transducer
.&(+
.-%%&+
.a high
#+#
is+
installed
$
-$orsystem.
1-)!The
"#
**(-$
2*
+%4
pressure
port
effects
of*$
overpressure
fail54.2.4
6765[<
\<;UCB@ISystems
L@K9R@<and/or
:U]C;^Conditions.
C:U?K?C:@6/Systems
1-) Hazardous
ure,
usually
more
critical
in
compressed
gas
systems
0
%
%
1)$
(
+
+
(
%+
.(
$
)
&
1
)
such
(#as,0but
'-not
.$-%limited
+)+-&-to$-the
#*following,
$%%$,+.0are(considered
$.+&& -than
in
unpredictable
may
# .+
.%liquid-filled
+H+&4*+%%&systems,
1-)0are.
&+(-'%and
.&)
1
potentially
must-'
be(
carefully
$-.-+%%1#hazardous
Z&$and
.&)
*%%1evaluated:
2 % -&_ (cause
direction.
$
%
%
&+
.
.
1&+
(
+
$
.
!
parts
to$'
be
propelled
in
any
`(a)ab(compressed
$)&gassystems
1-)
Placing
or
restrictor
the
pressure
inlet
W%
(+.a snubber
.''$
-+(-$+in.#
+
.%`(19)cb$oxygen
M1.systems
1-)
may
not
reduce
the
immediate
effect
of**
failure,
but
will
)
1.
$
-
&
(
#
+
))
&+
*
*
(
-$
+
%
0
'
-,+
%%
hydrogen
hydrogen
`(C)dbsystems
1-)(containing
$.-+.+.#1
&$.$or*free
#1
&$. #help
flow
of*
escaping
fluid
following
rupture
%
(
$
.
$
%*
%
$
,
$
(
+
.
*
%
+
&*
$
%
%
$
,+
.
control
atoms
-$)
and
reduce
the
potential
of*
secondary
effects.
.
&
&
(
#
$
.
+
%$
(
$
.
&
1
*
*
(
!
`(d)eb(corrosive
$$+2*fluid
%+&systems
1-)X(gas
and
.&%liquid)
+H+&Y
pressure
#$-&duration
-+$.
+impulses
)%X(pressure
spikes)
+rY
`(e)fb
systems
1-)(containing
$.-+.+.any
.1explosive
M%$+2$or )may/Short
pressure
occur
in
hydraulic
orpneumatic
systems,
especially
1$
(
(
+
.#
1
&
%
+
($
.
)
+
(
1
)
0
(+%%1
mixture
medium
*flammable
%)) '%)+
M-$or)
&+)
when
valves
open
or(
close.
The
magnitude
of*the
spikes
,#
.2
%
2
$
.$
%
$
!
"#
)
.
+
&$
#
+r
`(f)gbsteam
-) systems
1-)
may
be)
many
times
the
normal
operating
pressure,
)
1'
.
1+
)
#
.
$
)
%
$
+
.
0and
.&
pressure
`(g)hb.nonsteady
$.-&1
systems
1-)
may
not
be
indicated
by
the
instrument.
The
result
could
)
1.
$
'
+
.
&+
(
&'
1#
+
.
)
.
!
"#
%
(
$
%&
where
beacci`(h)ibsystems
1-),#
#high
+#$overpressure
2(could
$%&'
((+4 be
immediate
failure,
or
a%
large
upscale
error.
A snubber
'
+
))
&+
*
+
%
0
$
(
%
$
!
G
.
'
'
dentally
&
.-%%1applied
%+&
or
restrictor
may
reduce
the
magnitude
of*the
pressure
$
+
(
$
)
1
&
(
#
)
.
+
&$
#
wherein
`(i)jbsystems
1-),#
+.+interchangeability
.-(# .'+%+-1$of*gauges
spikes
transmitted
to$the
transducer.
+
r
.
)+
&#
.
&
(
!
hazardous
(could
$%&result
%-+in.#
Z &$+internal
.-. %(contamination
$.-)+. -+$.$or "#
The
use$
of*a pressure
limiter
valve
isolate
%
+)+-2
%2(can.+
$%--the
#
where
be+
installed
higher
,#
%lower
$,pressure
gauges
(could
$%&'
.-%%&+in.#
+# pressure
gauge
from
pressures
greater
than
the
rated
*
$
)
#
.#
&
pressure
systems
1-)
the
%limits
+)+-$of*-the
#elastic
%-+(element,
%).-0protecting
$-(-+.#gauge
*from
$)
`(j)kbsystems
1-)(containing
$.-+.+.radioactive
&+$ (-+2$or-toxic
$M+(*fluids
%+&X(liq%+H4 $overpressure
pressure
limiter
valve
device
2*failure.
+%!AG
%
+)+-2
%2+isa &
2+(
uids
+
&$orgases)
Y
the
designed
rising
pressure,
-that
# -+is&
+.&-to$(close
%$$on.
++.
0limiting
%+)+-+.#
`(k)lbsystems
1-)+installed
.-%%&+in.a #hazardous
Z&$environment
.2+$.).- pressure
the
device.
The(
closing
pressure
at--the
#$outlet
-%-$of*#&
2+(!"#
%$+.
isadjustable
be
set
close
the
rated
&O-'%and
.&should
#$%&'
--to$(
%$above
'$2#
-&
Unique
Media.
be
used
54.2.5
676mn:
?oB9p9
U?<6When
q#.gauges
are-to$'
&+in. +
pressure
and
below
the
proof
pressure
of
the
elastic
.
&'
%
$
,
#
$
$
*
$
*#
%
-+(
uncertain
with
media
(contact
$.-(-,+
-#)
&+having
#2+.rknown
.$,.$or.
(-+.(corrosive
$$+2 element.
Complete
information
regarding
pressure
lim%
)
.
!
3$
)
%
+
.
*
$
)
+
$
.
&+
.
%
+
)4
be
radioactive,
unique
effects
**(-$orrknown
.$,.-to$'
&+$(-+20random
.&$) $or.
+H +iter
valves
is(
contained
in
ASME
B40.6—1994,
-2
%2+
$.-+.&+
.G/
€‚u
t!ƒ4s„„u0Pressure
†f‡‡ˆ†f
destructive
&
-(-+2phenomena
#.$). (can.$occur.
((!NIn.such
(#(cases
-the
#
‰Limiter
user
Valves.
j
Šj
‹
f
†Œa

Ž
f
‡
!
should
#$%&always
%, 1*furnish
.+#-the
#supplier
%+$ormanufacturer
) .*(-with
,+-#
occurs
54.2.7.3
676z6P^Corrosion
C;;C@?C:{Failure.
<?=B;96Corrosion
3$$+$.*failure
+%$
((
+information
.*$) -+$.relative
%-+2-to$-the
#application
%+(-+$.and
.&solicit
$%+(+-#his+
advice
when
has'
been
weakened
through
,#
.-the
#elastic
%-+(element
%).-#
.,
r.&#$#
&2+(prior
+$-to$+installation
.-%%-+$.$of*-the
#gauge.
!
I
s104tu
‘’“”•–— ˜™šš›˜œ’˜—–˜žŸ“”¡¢˜£”—’˜¤˜¥–¡¢”¡¦˜§¢•”¢“¨©
ª“‘“«¬—”¢˜Ÿ¡’˜œ˜Ÿ¡«˜¤˜—–”¨˜Ÿ¡—“”¡¦˜­”—–¬—˜­“”——¢˜¢¨¢—˜¤˜ž£¥§©
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
734427389
091 9INDICATING
89190(B40.7)
GAUGES:
DIGITAL
143
ASME B40.100-2005
attack
corrosive
!!"#$%chemicals
&%'#(")
!%"%*#in*%either
#&%!the
&%'%
+# or!other
&%!"similar
#'#(!+%
$#%e0&#
&&
%*"seemingly
%%'#*/(
device,
which
has"%
been
by
present
media
#inside
*"#+%or!the
&%%environment
*$#!*'%*outside
,"#+%#it.-.Failure
#(,!%'
,
!
%
Q
&
,"
%
+{%
)%
*
+#
*
/
*
&
%
,!
*
+!
*/%of1the
&%
exhausted. Depending on the accuracy and range
may occur
hazardous
pressure
may
remain
the
tank
pinhole
walls
as")#
*& (%(leakage
%/%through
&!,/&the
&%%element
(%'%*0
(("or!%early
!( /gauge,
,/%e&
x!+ ,")
!%"",!%'
!
%'#*#in*
&%
*%even
$%*
1fatigue
#/,%1failure
#(,!%+due
,%to "stress
!%""cracking
!#*/
!,/&about
,
though
& ,/&the
&%/gauge
,/%#
*+##*/x
%! pressure.
)!%"",!%is"#
indicating
zero
brought
by
chemical
&%'#(+%
%!#!#*or!%embrittlement
'!#(%'%*of1the
&%'
%!#(- 7&
)%!!'
+%
$%()1
("%"sense
%*"%of1"
%,!#
The%operator
may
develop
a false
security
deterioration
material.
2
+#
)
&
!
/
'
3
&
%
'#
(
4"
%
("
&
,(
+
%
*
"
#
+%
!
%
+
0&
%
*
&
%/
,/
%#
*
+#
%
"x
%
!
!*
%
!x
%
!
)!
%"",!%
when the gauge indicates zero or near zero pressure
A diaphragm (chemical) seal should be considered
1for!,"
&)!
%"",!%'%
+#that
&'
&
$%
!!"#$% %even
$%*though
& ,/&there
&%!%'
,"*#()
!%"",!%#
*the
&%
may
be%"
substantial
pressure
in
use%0#
with
pressure
media
may
have
a corrosive
%effect
11%on*the
&%%elastic
("#%element.
(%'%*"system.
"%'-2$
%*#*/+%
$#%',"
%+to completely
')(%%(
A venting
device
must
be%,"
used
%+,%the
&%)!
%"",!%
%! |before
}~€},*(
#*/
$%!"e
reduce
pressure
to x
zero
unlocking
covers,
addition
567897&
++##*of1+#
)&!/' "seal
%('
+%
/!+%accuracy
,! !
NOTE: The%
a diaphragm
may
degrade
removing
performing
activities.
%' $#*/1fittings,
##*/"eor!)%
!1!'#*/other
&%!"similar
#'#(!
#$##%"both.
ASME
B40.2
%*"##$#or!
&-:See%%2:
;8<=
>-?1for!complete
')(%%#information.
*1!'#*- !
or!"
sensitivity
AlAliCompatibility
HqFNWJVJGJWoJ
W‚Wthe
‚LƒL
_JOqA7&%0%
%+
With
Medium.
The wetted
4.3.3
@4.2.7.4
ABACA@DExplosive
EFGHIJKLMFailure.
NJGOPLA8Q
)("#$%1failure
#(,!%#is" @
Explosive
must
be%
carefully
for!
compatibility
with
)!"',"
!%1,(("selected
%(%%+1
')##(#0#
&
by
by
caused
,"%+
the
&%!release
%(%"%of1%explosive
Q)("#$%%energy
*%!//generated
%*%!%+
parts
is"#
impervi&%'%
+#,'-None
5 *%of1the
&%
'' *'
%!#("#
')%!$#R
medium.
common
materials
&%'#(!reaction
%#*"such
,&as"can
*!result
%",(0&
%*adiabatic
+## the
a chemical
when
$%!type
)%of1chemical
&%'#(
attack.
compression
')!%""#*of1oxygen
Q/%*occurs
,!"#in*the
&%)presence
!%"%*%of1hydro&+!R ous,"to %every
Generally
means
precarbons.
! *"-S%
*%!((there
&%!%#is"*no known
* 0*'%
*"of1)!
%R @
Gauge
Hazardous
AlA@uI
LHofnfN
OaLJinX„N
NP_HOIDEnvironment.
XKJPHXqLXWAThe
7&%
4.3.4
Use
dicting
magnitude
+#
#*/the
&%'
/*#,+%or!%effects
11%"of1this
&#"type
)%of11failure.
#(,!%- %electric
(%!#or!%electronic
(%!*#)
!"#
*+#
/#()
!%"",!%/gauge
,/%
parts
in
a digital
pressure
@4.2.7.5
ABACATU
JVPNWJHXMFailure.
NJGOPLA7&
"common
'' *'
+% '
Vibration
The%'
most
mode
)(%of1)
!+,#*/%energy
*%!/(
%$%(""sufficient
,11##%*to
may
be%
capable
producing
levels
of1$
vibration
where
#!#*1failure
#(,!%#is"that
&0&
%!%components
') *%*"and
*+Y/ or! !release
incendiary
energy.
This
can
be%
an
source
%(%"%#
*%*+#!%
*%!/-7&
#"
*
*#ignition
/*##*"
,!%
connectors
**%!"+#
"(+/%1from
!'their
&%#!"sockets.
%"-ZInstruments
*"!,'%*"that
& 1for!%explosion
dislodge
when
fuels
Q)("#*0&
%*1
,%("and
*+oxidizers
Q#+#x%!"are!%)
!%"%*-The
7&%
present.
are!%"subject
,[%to high
&#/&or!constant
*"*vibration
$#!#*"should
& ,(+
%!#R ,"
be%)
peri%!"should
& ,(+"select
%(%/
,/%that
&#is""suitable
,#(%1
*
&%
user
a gauge
for!,"
use%#
in
the
odically
+#((checked
&%%+1for!these
&%"%1failure
#(,!%'modes.
+%""specific
)%#1#&hazardous
x!+ ,"%environment.
*$#!*'%*Vibration-Induced
@4.2.7.6
ABACA\U
JVPNWJHX]^X_O`L_MFatigue
NWJaOLMFailure.
NJGOPLAZIn*addi++#R @
AlATDElectromagnetic
GL`WPHqNaXLWJ`^Interference.
XWLPnLPLX`LA2*%
(%!*#
An electronic
4.3.5
tion
#*to #its"%effect
11%on*the
&%#instrument's
*"!,'%*b"%electronics
(%!*#"3(see
"%%)
!- +%
para.
device
may
be%"
susceptible
to %
electromagnetic
$#%'
%emit
'#or!
,"%)#(%
(%!'/*%#
4.2.7.5)
may,
high
=
-?-c-d4$vibration
#!#*'
e#in*"some
'%#instances,
*"*%"e!result
%",(#in*&
#/& interference
The%%
emissions
from
device
may
*%!1%!%*%3(EMI).
8;Z4-7&
'#""#*"1
!' one
*%+%
$#%'
pressure
(loading
+#*/of1$various
!#,")parts
!"of1the
&%)
!%"",!%%element
(%'%*assem""%'R #
Electromagnetic
cause
,"%another
* &%!+%
$#%to malfunction.
'(1,*#*-8(
%!'/*%#
device
bly.
This
(-7&
#"(loading
+#*/could
,(+cause
,"%cracks
!"#in*the
&%%element
(%'%*#itself,
"%(1e compatibility,
emission
susceptibility,
')##(#e#including
*(,+#*/%
'#""#*"
,"%)##(#eand
*+
or!#
in
joints.
pressure
buildup
may
*[
#*"-7Transducer
!*"+,%!%enclosure
*(",!%)!
%"",!%
,#(+,)'
%electrostatic
discharge
should
be
considered
if
digital
(%!"#+#"&!/%"& ,(+%*"#+%!%+#1+#/#(
be
a large
hole
may
%"slow,
(0ebut
,#it#is")possible
""#(%that
&(
!/%&
(%'
"suddenly
,++%*( pressure
to
)!
%"",!%/gauges
,/%"are!%to be%,"
%+#
*
("%)!
Q#'#
used
in
close
proximity
develop,
with
a high
pressure
which
+%
$%()e0#
&&
#/&!rate
%of1case
"%)!
%"",!%!rise,
#"%e0&
#& other
&%!%electronic
(%!*#+%
$#%"devices.
could
,(+!result
%",(#in*1
#(,!%"similar
#'#(!to an*%explosive
Q)("#$%1failure.
#(,!%- @
a failure
requirements
must
AlA\hPower
H†LPpRequirements.
L‡OJPLqLXWIAPower
ˆ 0%!!
%‰,#!%'%*"',"
4.3.6
General
Although
rare,
@4.2.7.7
ABACACfL
XLPNGDElectronics
GL`WPHXJ̀IMFailure.
NJGOPLA2(
& ,/&!
!%e be%
')
(
#
%
+0#
&
$
#
+#
*
"
!
,'%
*
+
'
/
%
*
+Y/ or!
complied
with
to avoid
instrument
damage
and
The%'
most
%electronic
(%!*#components
') *%*"+do 1fail.
#(-7&
"common
'' *causes
,"%" personal
injury.
)%
!
"
*
(#
*
[
,!
are!%%excessive
Q%""#$%&heat,
%e%excessive
Q%""#$%&
,'#+#and
*+(line
#*%tran!*R @AlACŠHIIHnhPower.
humidity
AWhen
‹&%*+#
/#(/gauge
,/%(
"%"
4.3.7 Loss of H†LP
a digital
loses
"sients.
#%*"power
the
display
will
go blank.
Extreme
caution
should
)
0%
!
&
%+#
"
)(
0#
(
(
/
(
*
8Q
!
%
'%
,
#
*"
&
,
(+
@4.2.8
ABAghPressure
PLIIOPLiConnection.
HXXL`WJHXA:See%%!recommendations
%''%*+#*"#in* be
used
when
disconnecting
the
process
connection
%,"
%
+0&%
*+#
"
**%
#
*/
&%)!
%
"
"
**%
#
*
)
!-j3.6.-kpara.
may
be%)!
present.
%,"%)!
%"",!%'
"still
#((
%"%*because
pressure
@4.3AlmSafety
NnLWopRecommendations
L`HqqLX_NWJHXI
Gauges
@4.4A@pReuse
LOILHofnhPressure
PLIIOPLfN
OaLI
Pressure.
Operating
pressure
gauge
@A
lAr sFL
PNWJXahP
LIIOPLAThe
7&%)!
%"",!%/
,/% @
4.3.1
4.4.1
A@AriConsideration
HXIJ_LPNWJHXnforHPpReuse.
LOILAZItis#"*not!recommended
%''%*+%+
have
a full
pressure
"selected
%(%%+"should
& ,(+&
$%1
,((!range
*/%)!
%"",!%"such
,&that
&the
&% that
&)!
%"",!%/gauges
,/%"
$%+1from
!' one
*%application
))(##*to
pressure
be%'
moved
pressure
middle
)%!#*/)
!%"",!%occurs
,!"#in*the
&%'#
++(%&half
(13(25%
?dt to operating
for
the
following
another
reasons:
*
&
%
!1
!
&
%1
(
(
0#
*
/!
%
"
*
"
9
The%1
full
pressure
c75%)
dt4of1the
&%!range.
*/%-7&
,((!range
*/%)!
%"",!%of1the
&%/gauge
,/% Œ(a)Ž
Chemical
}‘’“”“compatibility.
‘•–’|’”’–—˜The
7&%consequences
*"%‰,%*%"of1incom#*'R
be approximately
"selected
%(%%+"should
& ,(+%
))!Q#'%(two
0 times
#'%"the
&% patibility
can
range
from
contamination
to
explosive
)
#
#
(
#
*!
*
/
%1
!
'
*
'#
*
#
*
%
Q
)(
"#$%
pressure.
be%*
necessary
#intended
*%*+%+operating
)%!#*/)
!%"",!%-:Should
& ,(+#it
%%""!1for! 1failure.
For
example,
moving
an
oil
service
gauge
to
#
(
,!
%
-.
!%
Q
')(
%
e'
$
#
*
/
*
#
("
%
!
$
#
%/
,/
%
pressure
the
&%operating
)%!#*/)!
%"",!%to %exceed
Q%%+c75%
dt of11full
,((!range,
*/%econ-*R oxygen
service
can
result
in
explosive
failure.
Q
/
%
*"
%
!
$
#
%
*!
%
"
,
(
#
*%
Q
)
(
"
#
$
%1
#
(
,
!
%
tact
the
&%"supplier
,))(#%!1for!!recommendations.
%''%*+#*"Partial
fatigue.
The%1
first
may#
involve
Œ(la)|Ž™
€–’”~
–’š›}˜7&
#!"#installation
*"((#*'
*$ ($%
UseLH
ofnfN
Gauges
Near
The%,"
use%of1 pressure
@4.3.2
AlABuI
OaLIvL
NPwZero
LPHhPressure.
PLIIOPLA7&
pulsation
that
has
expended
most
of1the
gauge
)!
%
"
"
,
!
%)
,(
"
#
*
&
&
"%
Q
)
%
*
+%
+'
"
&
%/
,/%
pressure
recommended
/gauges
,/%"*near
%!xzero
%! )!
%"",!%#is"*not!
%''%*+%+
%,"% (life,
because
resulting
in
early
fatigue
in
the
second
installation.
#
1
%
e
!
%
"
,(
#
*
/#
*%
!
(
1
#
/
,%#
*
&
%"
%
*
+#
*
"
(
(
#*may
be%(
a large
percentage
the
&%accuracy
,!tolerance
(%!*%'
!/%)%
!%*/%of1the
&% Œ(C)“Ž
Corrosion.
Corrosion
pressure
element
€€œ’˜ž
!!"#*of1the
&%)!
%"",!%%
(%'%*
pressure.
a 0/100
psi#S!
Grade
applied
))(#%+)!
%"",!%-ZIf,1e1for!%example,
Q')(%e>
Yy>>)"
+%<B assembly
installation
in
the
first
may
be%"
sufficient
to
"
"
%
'
(
#
*
&
%1
#
!
"
#
*
"
(
(
#
*'
,
1
1
#
#%*
used
measure
4 psi,#
/gauge
,/%#is","
%+to '%
",!%=)"
ethe
&%accuracy
,!of1measure'%",!%R cause
early
failure
in
the
second
installation.
,"
%%
!
(
1
#
(
,!
%#
*
&
%"
%
*
+#
*
"
(
(
#
*
ment
will
be%z?)"
: 2 psi,
: 50%
pressure.
'%
*0#
((
#eor!zd
>t of1the
&%applied
))(#%+)
!%"",!%not
be%,"
used
Other
reusing
a gauge,
.For!this
&#"!reason,
%"*e/gauges
,/%""should
& ,(+*
%+1for!the
&% @
A@ABsW
‚LPiConsiderations.
HXIJ_LPNWJHXIAWhen
‹&%*!
%,"#*//
,/%e
4.4.2
purpose
pressure
a tank,
in
relative
),
!) "%of1#indicating
*+##*/the
&%)!
%"",!%#in*
*eautoclave,
,($%e all((/guidelines
,#+%(#*%"covered
$%!%+#
*this
&#":Standard
*+!+3(B40.7)
<=>-c4!
%(#$%
[
y1 >05d
Ÿ ¡¢£¤¥¦§ ¨©ªª«¨¬¢¨§¦­¨®¯­£¤°±²³̈ °¤­§¢¨´µ̈­°¦±²¤°±¶¨·²¥¤²­­£¸¹
º £­¡£»¼°§¤²¨¯±¢¨¬­¨¯±»­¨´¨§¦¤̧¨¯±§­£¤±¶¨½¤§¦¼§¨½£¤§§­²°̈²¸­²§¨´¨®³µ·¹
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 300 4567
ASME B40.100-2005
GAUGES: PRESSURE DIGITAL INDICATING (B40.7)
Table
4 Cleanliness
!"!##$Levels
%#
0&&'()*&+1Size
,-+)and./01
).2,23
Allowable
Quantity
Particles
)42,5&+6
7Fibers
,*+46
Hydrocarbon
83
/4'5)4*'.
Maximum
Maximum
2)
9,:1:
2)
9,:1:
;PDT"
;:
Size
Size
1,
-+
01
).2,23
1,
-+
01
).2,23 >[Note
'2+(3)],
?@A
Quantity
Quantity
Maximum
(Micrometers)
2,54':+2+46 >[Note
'2+(2)]@ (Micrometers)
2,54':+2+46 >[Note
'2+(2)]@ 2)
9,:1:
CDH
LFLN
CDH
LFLN
CDH
LFLN
CDH
LFLN
CDH
LFLN
No limit
No limit
No limit
No limit
No limit
Cleanliness
&+).&,.+66
Level
+<+& General
+.+4)&Cleanliness
&+).&,.+66Requirements
+=1,4+:+.26
to'0
All
>[Note
'2+(1)]
8@
0Applicable
;;&,5)*&+2
&&Levels
+<+&6
BI
CD
EFGHIcleanliness
HJGKHLKJMMGattained
NNGLKJO
Normal
Nthrough
PEDQRPPhigh
LRPMstandard
NGKOGEOMshop
PDS
Spractices
EGINLIJM
BT
UG
QRJMshall
PGHHVbeJWfree
EJJDofWXvisually
LMQGHHY
ZLess
JMMNthan
PGK[100
\\ CDH
LFLN ZLess
JMMN
PGK]700
\\
No limit
than
Gauge
^[Note
CDNJ_(4)]
`ab_(unaided
QKGLOJOJeye)
YJa
[100/500
\\cd\\
e25d
]700/1000
\\c[\\\
Odetectable
JNJINGVHJFD
LMNQEJGand
KOWforeign
DEJLRK
fX
JEd500
\\
\0
fX
JE[1000
\\\
Over
Over
moisture
FG
NNJE_(chips,
IPLSMgMslivers,
HLXJEMghJ
HOMslag
HGR
matter
weld
DorEMsplatter,
SHGNNJEgMshop
PDSMsoil,
DLHgRgreases,
EJGMJMg
Doils,
LHMgDorEDother
NPJEIcontaminants)
DKNGFLKGKNMaN
PGN
that
mechanically
Icould
DQHOVbeJFJ
IPGKLIGHHY
Odetrimental
JNELFJKNGHNtoDSproper
EDSJEWfunction
QKINLDK
DofWRgauge
GQRJ
NOTES:
Cfi
jkl
_(1)[aZLevels
JXJHMBIIBGand
KOBIIIBBLintentionally
KNJKNLDKGHHYDomitted.
FLNNJOm
Quantity
_(2)eanQ
GKNLNYo= Knumber
QFVJEVbyYIcount
DQKNSperJEMsolvent
DHXJKNWflush.
HQMPm
within
the
wetted
_(3)paSppm
SFSperJEMsolvent
DHXJKNWflush
HQMP_(approximately
GSSEDqLFGNJHYNthePJXvolume
DHQFJIcontained
DKNGLKJOhL
NPLKN
PJhJ
NNJOSparts).
GENMam
_(4)`ajExcluding
qIHQOLKRSparticle,
GENLIHJgWfiber,
LVJEgGand
KOPhydrocarbon
YOEDIGEVDKOdetection
JNJINLDKSprocedures.
EDIJOQEJMm
CDH
LFLN
No limit
[10\
\0
d50\
rtostapplication
uuvwxtrwsysofz{gauges
t|{}~~should
s|v€
svvs‚}€winyrthe
}~same
tƒ} †
Œ²ŠInspection
!#³´µ"¶!·
¶Cleanliness
!"!##
for
be}z
followed
5.3
manner
when
a new
ƒt
yy}„tas~‚
}yty
}‚{gauge
t|{}wis~~selected.
}v}xr}€
Hydrocarbon
may
be}€}
determined
by
¸“
€„sxt„syxconcentration
syx}yr„trwsyƒt
“
r}„ƒwy}€
“
ƒ}
rs€~~such
|xtas~winfrared
yz„t„}€~spectrophotometry
u}xr„susrsƒ}r„“s
vtx¦•
methods
or„
blackradiation
of the
wave
type
vlight
w{rœ(ultraviolet)
|vr„t‘wsv}r„
t€wtrwsyszr
}vlong
sy{‚t
‘}r
“u}
†5 CLEAN
$‡ˆ‰$LINESS
Š‰‡‹‹
3 600
nm)],
where
¹[approximately
tuu„s˜wƒtr}v“º±
°°tangstrom
y{~r„sƒ units
|ywr~œ(360
º±°y
ƒ»—‚
}„}
rthe
}~solvent
sv‘}yr|~
}€rtoszflush
v|~rthe
}‚}
rr}€ut
„r~wis~}evaluated.
‘tv|tr}€
used
wetted
parts
General
†5.1ŒŽ
!
When
black
methods
are
¼
}y
vtx¦vlight
w{r„radiation
t€wtrwsyƒ}
rs€~t
„}}employed,
ƒuvs“}€—
This~~
section
provides
w
}xrwsyu„
s‘w€}~~standardized
rty€t„€w’}€„reference
}z}„}yx}zfors„ rthe
manufacturer
should
ascertain
that
the
solvent
used

}ƒt
y
|z
t
x
r
|„
}
„~

s
|v
€t
~
x
}
„
r
t
w
yr

t
r
r

}~
s
v
‘
}yr|~
}€
{gauge
t|{}|users
~}„~winy~specifying
u}xwz“wy{xcleanliness
v}tyvwy}~~„requirements
}”|w„}ƒ}yr~tand
y€ ‚w
will
dissolve
v
v
€w
~
~
s
v
‘
}t
v
v

“
€„
s
x
t
„

s
y
~r

t
r
x
s
|
v
€
}
~
}
y
r
t
y
€
all
hydrocarbons
that
could
be}u„
present
and
{guidance
|w€tyx}rtosƒt
y|ztxr|„}„~winyƒ}
}rwy{rthese
}~}„require}”|w„}• rthat
manufacturers
meeting
all
hydrocarbons
are
detectably
fluorescent
under

t
rt
v
v
“
€„
s
x
t
„

s
y
~t
„
}€}
r
}
x
r
t

v
“z
v
|s
„
}
~
x
}
y
r|
y
€}
„
ments.
ƒ}
yr~
black
light.
Itrƒt
may
be}y
necessary
for
the
gauge
manufac
v
t
x
¦v
w
{

r
–
“
}
x
}
~
~
t
„
“z
s
„r

}{
t
|{
}ƒt
y
|z
t
x
•
–Ifz{gauge
t|{}xcleanliness
v}tyvwy}~~wis~wimportant
ƒus„rtyrzfors„rthe
}tapplication
uuvwxtrwsy rturer
tost
add
fluorescent
additives
tosx
certain
suspected
|„
}
„r
€€z
v
|s
„
}
~
x
}
y
rt
€€w
r
w
‘
}
~r
}
„
r
t
w
y~
|~
u
}
x
r
}
€
~such
|xtas~zfors„|~
y}equipment
”|wuƒ}yrzfors„zfood
ss€u
„sx}~~wy{—vlife
wz} xcontaminants
use}s
on
processing,
make
detection
possible.
rtƒwytyr~rtosƒt
¦}rtheir
}w„€}
r}xrwsyus
~~wv}
user
~support,
|uus„r—sor„soxidizing
˜w€w’wy{zfluids,
v|w€~—rthe
}|~
}„~should
s|v€~specify
u}xwz“rthe
} sy
The}€w
dimensions
ofzut
particles
and
fibers
usually

ƒ}
y
~
w
s
y
~s
„
r
w
x
v
}
~t
y
€z
w

}
„
~tare„}|~
|tvv“
4.
tappropriate
uu„su„wtr}vlevel
}‘}vwinyTable
tv}™
determined
by
microscopic
examination
ofzz
filter
paper
€}
r
}
„
ƒw
y
}
€
“ƒw
x
„
s
~
x
s
u
w
x}
˜
t
ƒw
y
t
r
w
s
ys
w
v
r
}
„ut
u}„
–Ifzrthe
}xcleanliness
v}tyvwy}~~„requirements
}”|w„}ƒ}yr~sofzrthe
}wintended
yr}y€}€tappliuuvw• rthrough
which
the
flushing
solvent
has
been
passed.

„
s
|{
‚
w
x
r

}z
v
|~

w
y
{~
s
v
‘
}
y
r
t
~
}
}
yut
~
~
}
€
not
user
xcation
trwsytare„}y
srxcovered
s‘}„}€winyTable
tv}™4,—rthe
}|~
}„~should
s|v€~sos
†5.4Œ½Packaging
´¾¡"!¡
tadvise
€‘w~}rthe
}~supplier.
|uuvw}„
Gauges
packaged
such
a manner
¿t
|{}~~shall
tvvbe}ut
x¦t{}€winy~
|xtƒt
yy}„rthat
trspeci~u}xw•
†5.2Œš Cleanliness
!"!##$Levels
%#
cleanliness
requirements
maintained.
zfied
w}€x
v}tyvwy}~~„
}”|w„}ƒ}yr~tare„}ƒt
wyrtwy}€
Cleanliness
determined
by
The}|~
user
proper
precautions
}„~shall
tvvrtake
t¦}u
„su}„u„
}xt|rwsy~~sosrthat
trxcleanliv}tyvw•
›v
}tyvwy}~~wis~€}
r}„ƒwy}€
“rthe
}~size
w’}tand
y€”quantity
|tyrwr“ 
maximum
permissible
wetted
parts
maintained
after
wetted
}~~vlevels
}‘}v~zfors„‚}
rr}€ut
„r~tare„}ƒt
wyrtwy}€t
zr}„rthe
}
sofzƒt
˜wƒ|ƒu}
„ƒw~~wv}~solid
svw€xcontaminants
syrtƒwytyr~sony‚}
rr}€ yness
removed
package
for
installation.
t|{}wis~„
}ƒs‘}€zfrom
„sƒ itswr~ut
x¦t{}z
s„w
y~rtvvtrwsy
by
~surfaces
|„ztx}~sor„
“rthe
}”quantity
|tyrwr“sofzxcontaminants
syrtƒwytyr~œ(hydrocar“€„sxt„• {gauge
bons)
discernible
used
sy~€w
~x}„ywv}winyrthe
}zfluids
v|w€~|~
}€rtoszflush
v|~sor„xclean
v}ty
6 TEST
‡‹½PROCEDURES
Áž ‡ÂÃÁ‡‹
by
both.
Common
~such
|x~surfaces,
|„ztx}~—sor„
“
sr ›s
ƒƒsyxcleanliness
v}tyvwy}~~vlevels
}‘}v~ À
defined
tare„}€}
zwy}€winyTable
tv}™4.
À6.1Œ‹Scope
´¶³
Oxygen
Gauge.
designed
This
is~w
intended
tosu„
provide
an
the
†5.2.1
ŒšŒžŸ
¡!Ž
¢¡Œ£Fors„{gauges
t|{}~€}
~w{y}€rtoswindicate
y€wxtr} 
w~~section
}xrwsyw
yr}y€}€r
s‘w€}t
ysoutline
|rvwy}sofzr
}
with
Level
parameters
when
new
gauge
performpressure,
soxygen
˜“{}yu„
}~~|„}—xcleanliness
v}tyvwy}~~~shall
tvvxcomply
sƒuv“‚w
r¤}
‘}v ut
„tƒ}r}„~|used
~}€‚
}y}evaluating
‘tv|trwy{y
}‚{
t|{}u
}„zs„ƒ•
The}{
gauge
tos~
suggest
outlines.
be}x
clearly
marked
with
a universal
yx}tand
y€r
|{{}~r}evaluation
‘tv|trwsys
|rvwy}~These
}~}rtest
}~rmethƒ}r•
–IV.¥ 
t|{}~shall
tvv
v}t„v“ƒt
„¦}€‚w
rt|y
w‘}„~tv tance
/ or„¨
”USE
NO OIL”
may
may
not
the
the
sods€~ƒt
“sor„ƒt
“y
sr~satisfy
trw~z“r
}„requirements
}”|w„}ƒ}yr~sofzr
}
~symbol
“ƒsvtand
yۤs
©ª«¬­­–
¤®winy„red.
}€
(
¯106°±
ÄÅÆÇÈÉÊËÌ ÍÎÏÏÐÍÑÇÍÌËÒÍÓÔÒÈÉÕÖ×ÍØÅÕÉÒÌÇÍÅÙÍÚÒÕËÖ×ÉÕÖÛÍÜ×ÊÉ×ÒÒÈÝÞ
ßÅÈÒÆÈÅàáÕÌÉÅ×ÍÔÖÇÍÑÒÍÔÖàÒÍÅÙÍÌËÉÝÍÔÖÌÒÈÉÖÛÍâÉÌËÅáÌÍâÈÉÌÌÒ×ÍÕÅ×ÝÒ×ÌÍÅÙÍÓØÚÜÞ
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01
203456PRESSURE
734427389
091 9INDICATING
89190(B40.7)
GAUGES:
DIGITAL
143
ASME B40.100-2005
entire
intended
application.
!"#$When
%&itis'(known
#)that
&the
&*gauges
+*' ,repeated
#on
",'*pressure
,''+,m(or#,.
"++-p$w&
,
decreasing
vacuum).
The
)
!
!
"
#
+
,"
#
#
'-#
,
'
.
,
#
,!
'
''
.
,
'
#
/+
'
"
!
#
)
'
"
!
,
*
''
&
!
!
&
2
will encounter conditions more severe or less severe
set of upscale and downscale readings shall then be
may
be-#
modified
match
than
&those
&#''specified,
"/0the
&test
'-
12
/to#-
"& ,repeated.
$
-#
,"closely
!#'!1the
&application.
!"#$3
+"#!test
'inthe
&
more
A /
functional
Accuracy
3""+,"1
–
"#--
Recommended
intended
application
!"#is'*generally
,!!1the
&2
'evaluation
.!+#
best
l,
u+-2,#/w'ƒ#'—u#mfp˜
-
&#$
method.
5AR
s30s
3–
f15s
5A,
Grade
Number of Test Points [Note (1)]
4A,
4AR
g30g
3–
f10j
WARNING:
45678
79:;Failures
<=>?@ABC?@
=DEF@
ABB?@AGtesting
ABG=DE<are@A?DF@
AC=HG<I>A q
during
pressure
unpredictable
3AR,
2A,
2AR,
A,
AR
30
q
3–0
r
30
r
3–0
30
3–
3A,
5s
<and
DCJ<
KHcause
<?BAF<
@GBGtoLIAF@
LFA>>AC=inD<any
DKC=
@AHG=LDM5>
F@
ABB?@A
may
parts
be propelled
direction.
All>
pressure
B, BR
™0™–
q
3
approGtesting
ABG=DEBshould
NL?>CIAH
LDC?HGACIKO?<
>=P=ACFA
@BLDDA>?B
=DE<FF@LQ
be conducted
by qualified
personnel
using
F@
=<GABsafety
<PAGKAequipment,
O?=FJADGRBsuch
?HN<asBBsafety
<PAGKEglasses,
><BBABRBshields,
N=A>CBRLor@AencloDH>LQ ušw‚›
priate
NOTE:
Bsures,
?@ABRLor@<H
LJI=D<G=LDRGtoLF@
ASADGFA
@BLD<>=injury
DT?@K<and
DCF@
LFA@GK m(1)fpw&
a combination,
prevent
personal
property
The test
'points
#''shall
&!!2
',2+#
.,
&,
*
'shall
&!!
be
distributed
over
the
range
and
C<
J<EAM6A
<CBsection
AHG=LDUIA
PL@AHconducting
LDC?HG=DE<any
DKGtesting.
ABG=DEM
damage.
Read
4 before
include
"!+points
#')
&f10%
jo#of/
&ends
'#
&,range.
*$
within
the
of/
the
The
error
be
determined
from
data
obtained
,,#,"can
2
,-/
,#- the
&
#
2
V6.1.1
WXWXYCalibration
Z[\]^Z_\`abStandards.
_ZacZ^cdfWeStandards
,''shall
&!!&have
. w&
maximum
&two
)#pressure
,''+,"cycles
1"!'
t+!to#the
&-
i-+and
is'
equal
nominal
#-!errors
,,#,'no#*greater
,,than
&‘1/4g#of/those
&#'permitted
,-/for#, inthe
,,#,ateach
"&test
'point,
#0ineither
&,
,"#$
direction.
the
&*gauge
+*2
*tested.
'$hFor#,example,
i- !0)&
testing
'*a error
being
when
Grade
A (1
j0/kf100jjpsi,'0l,
3m
nf1%)
op*gauge,
+*0m(permissible
,-''2!error
,,#,#of/ V
{Œ{Z_Z]\[\_”
Repeatability
1 1 psi),
nf
'p01you
#+-
1+'
kfjjpsi,'0l,
q3A3m(1nj0.25%),
$rsop0 6.3W ˆ
may
usej
a 0/100
Grade
m(permissible
,-''2!error
,,#,#of/nj
$rspsi),
'p0#or,j
krjjpsi,'0l,
g
3 V
1 0.25
a 0/200
Grade
4A
6.3.1
This
determines
the
the
WWX|Purpose.
†^Œ`d{Ww&
'test
'
,-'
&ability
2!1#of/
&
1 0.2
m(1nj0.1%),
$fop0m(permissible
,-''2!error
,,#,#of/nj
$rpsi).
'p$
same
results
when
accuracy
*gauge
+*to#produce
,#+"the
&'
-,
'+!')&
the
&
""+,"1
linear
eStandards
,'/for#,pressure,
,''+,0)
*&0
'10and
!
, test
weight,
density,
'procedure
,#"+,
$
is',
repeated.
-'#'+'
in-
+/"+,*and
"calibrating
!2,*the
& V
dimensions
used
manufacturing
6.3.2
can
be
determined
WWx|Procedure.
^`Š{c†^{WRepeatability
– 2!1"
2
,-
measuring
test
'instruments
',+-''shall
&!!"conform
#/#,-to#equivalent
t+.!-
'+,* /from
the
data
obtained
in
para.
6.2.2.
It
is'
the
difference
,
#
-
&
#
2
,
$
œ
$
r
$
r
$
v
&
//,"
been
NIST
'standards
,'that
&&have
.2
"calibrated
!2,atuv
ewand
'shall
&!! between
2
)
1
)#,
*
'
(
&
'
-
,''+,0
any
two
readings
taken
at
the
same
pressure,
&
.#
"+-path
&to#uv
ew$
have
a documented
NIST.
from
direction;
and
in
two
approached
,#"&/
,#- the
&'same
-
,"#
the
&
)#
,''+,"cycles,
1"!'0expressed
i ,''inpercentage
,"*#of/'span.
$More
#,
Manometers
Gages.
Complete
inforV6.1.2
WXWxyZ
a`z{_{^dZand
ac|Piston
\d_`a}Z
~{dW#
- !
/#,€ pressure
&two
)#pressure
,''+,"cycles
1"!'-
12
',2!$Repeatability
– 2!1
may
be
desirable.
mation
-
#,regarding
*,*-
#-,'and
piston
'#*gages
*'is'"con#€ than
manometers
does
not
hysteresis
'
#include
"!+&
1',''error.
,,#,$
ASME
PTC 19.2.
tained
in3e
‚ƒwf
„$r$wTo#"compute
#- +their
&,errors,
,,#,'0 #
must
determined
*geographical
#*, &"!!location
#"#and
elevation
!.#-+
'be2
,- V
Hysteresis
d_{^{d\d
NIST
and
*gravity
,.1"corrections
#,,"#'applied,
!0as'#outlined
+!inuv
ew 6.4W‡ž”
Manometry
Piston
Gage
Manuals.

#-,1and
ƒ
'#l
*
+!'$
This
test
determines
V6.4.1
W‡WX|Purpose.
†^Œ`d{Ww&
'
'
,-'the
&!level
.!#of/&
1'€
hysa full
range
pressure
,
'
',
'
+
!
*/
,
#
/
+!
!,
*
,
'
'
+,
i
"
+,
'
#
$
teresis
resulting
from
excursion.
Gauges
Standards.
Gauges
used
V6.1.3
WXW }Z
†~{dZasdb_
ZacZ^cdWl
+*'+'
as''stan€
6.4.2
Hysteresis.
Hysteresis
can
be
determined
W‡Wxž”
d_{^{d\dW‘1
',''"
2
,-/from
,#dards
be
tested
The/
fre
,''shall
&!!2
'/for#,accuracy
""+,"1,regularly.
*+!,!1$w&
,€ V
data
in
difference
&
#obtained
2
para.
,$œ6.2.2.
$r$r$Itvis'the
&
//,"ateach
"&
of such
will
depend
on their
t+
"1 #/'
+"& testing
'* )
!!
#
&, the
quency
'point
#2
)
",'*pressure
,''+,
",'*
between
increasing
and
decreasing
demonstrated
-#',ability
2!1to#,retain
accuracy
""+,"1after
/,a period
,# test
readings
taken
,''+,,
*'
(atthe
&'same
-test
'point,
#0
use.
The
date
the
test
#of/time
-and
after
/,,repeated
+'
$w&
#of/
&!last
'
' pressure
increasing
and
decreasing
approached
,#"&/from
,#- both
2#&
",'*
",'*pres,'€
may
be
noted
-
12
##onthe
&/front
,##of/the
&*gauge.
+*$
sure
directions;
in
a single
'
+
,
,
"
#
'

'
*
!
,
'
'
+,
"
1
"
!
0
i
,
'
'
pressure
cycle,
expressed
in
6.1.4
Reference
A temperature
VW
XW‡ˆ{
‰{^{aŠ{‹Temperature.
{zŒ{^Z_†^{W3
- ,+,#of/ percentage
A-1
of/3e
ASME
B40.1).
of/'
span
(see
Fig.
,
"
*
#
m
'
h
*
$
3€
f#
‚™g
j
$
f
p
$
1 1°C
1 2°F)
be
the
r
qnf
m(approximately
,#i-!1Ž73°F
qhnr
hp'shall
&!!2
& w&
23°C
The&
hysteresis
value
if/the
excursion
1',''.
!+is'!lower
#),
&pressure
,''+,
i"+,'#
,reference
/,"'standard.
,$wTemperature—compensated
- ,+,€"#- '*gauges
+*' is'!
than
full
scale.
'
'
&
/
+!
!'
"
!
$
less
be
tested
within
'shall
&!!2
'at'several
.,!ambient
-2temperatures
- ,+,')
&
Ambient
V6.5W“
z]\{a_‹Temperature
{zŒ{^Z_†^{ŸError
^^`^
range.
the
&"compensated
#- ',
*$
determines
effect
V6.5.1
WWX|Purpose.
†^Œ`d{WThis
w&'test
'
,-'the
&
//"#of/'short&#,€
V6.1.5
WXWˆReference
{‰{^{aŠ{Barometric
Z^`z{_^\Š|Pressure.
^{dd†^{W3A barometric
2,#-," term
minimum
,- exposure
i #'+,to#'suppliers’
+ !,' recommended
,"#---
-+29.92
Hg (30.32
E+5 Pa)p'
shall
be
the
,''+,#of/r
„$„rin.$‘*m
qj$qr‚’sƒ
&!!2
& and
pressure
maximum
-
i-+- ambient
-2#operating
,*temperatures.
- ,+,'$
,reference
/,"'standard.
,$
bepowered
V6.5.2
WWx|Procedure.
^`Š{c†^{WThe
w&*gauge
+*'should
&#+!2
#),¡”on”
#¢
Accuracy
V6.2Wx“
ŠŠ†^ZŠ”
test.
test
in
throughout
&,#+*&#+this
&'
'$Perform
ƒ,/#,-the
&accuracy
""+,"1
'
accor""#,€
dance
with
the
reference
")
&para.
,$6.2.2
œ$r$rat
&,
/,"temperature
- ,+,m(see
'
This
determines
V6.2.1
WxWX|Purpose.
†^Œ`d{Ww&
'test
'
,-'the
&accuracy
""+,"1#of/ para.
6.1.4).
The
gauge
shall
then
be
exposed
to
the
,
$œ
$
f
$
g
p
$w&
*
+
*
'
&
!
!
&
2
i
#
'
#
&
under
with
the
&*gauge
+*+
,test
'in"compliance
#- !")
&para.
,$q3.7.$Ž$
minimum
or maximum
'supplier's
+ !,',rated
-
-+- #,-
i-+- ambient
-2
Known
V6.2.2
WxWx|Procedure.
^`Š{c†^{W•
#)pressure
,''+,'shall
&!!be2applied
!at #operating
temperature
to#'
stabilize
for
,*
- ,+,and
allowed
!!#)
2!£/
#,a
not
4 hr.,
The*
gauge
shall
then
be
,##of/
#!less
''than
&g&
$w&
+*'
&!!
&2
each
"&test
'point
##onincreasing
",'*pressure
,''+,m(or#,.vacuum)
"++-p/from
,#- period
at
At each
in
with
'/for#,accuracy,
""+,"10
accordance
""#,")
&para.
,$œ6.2.2,
$r$r0
#one
end
to#the
&#other
&,end
#of/the
&'scale.
"!$3
"&test
'point
# tested
be,
read.
The'
same
be this
difference
in
each
test
&'temperature.
- ,+,$The
w&
//,"
,readings
*'at
"&
'
the
&*gauge
+*'shall
&!!2
$w&
-'sequence
t+"'shall
&!!2
[
f107jŽ
¤¥¦§¨©ª«¬ ­®¯¯°­±§­¬«²­³´²¨©µ¶·­¸¥µ©²¬§­¥¹­º²µ«¶·©µ¶»­¼·ª©·²²¨½¾
¿¥¨²¦¨¥ÀÁµ¬©¥·­´¶§­±²­´¶À²­¥¹­¬«©½­´¶¬²¨©¶»­Â©¬«¥Á¬­Â¨©¬¬²·­µ¥·½²·¬­¥¹­³¸º¼¾
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
01234567866966
0 31311 300 4567
ASME B40.100-2005
GAUGES: PRESSURE DIGITAL INDICATING (B40.7)
mini
! the
" #reference
$#% temperature
& #'(# 'and
)the
" &
*
point
between
&(&
#
&'
+
&(&
&
#
'
(#
,
"
'
&
#
'
mum or maximum temperature is the ambient operating
temperature
& #'(# error.
###.
/6.60/1Storage
2345678Temperature
79:7452;47
/6.6.1
0/0<=Purpose.
;4:3>70?"
,test,)determines
#& ,the
" effects
$$%,of$@long
This
Amplitudes
85Ua7b Vibration
STU452T3V8
7>2c
9:aT2;C7>
Test
Table 5
nFrequency
ldopdmqr
Range,
emsdt
Hz
yz
5 to
{|
}~15{
to
~16|
}ƒ25{
to
ƒ26|
}„33„
„34 to|}40
to
}60
41~|
Peak-to-Peak
def9gh9defi
jklegjhm
Vibration
0uvwjgpxdt
0uvwjgpxdt
Amplitude,
mm
jm7
uu
1 0.3
1 0.012
0.060
€‚
€~ƒ
~1.5€{‚
€„
1 0.008
1 0.2
0.040
€ ‚
۠
~1.0€‚
€ƒ
1 0.004
1 0.1
0.020
€ƒ‚
€
0.5€{‚
€~
1 0.002
1 0.05
0.010
€~‚
€ƒ
0.25
€ƒ{‚
€{
1 0.001
1 0.025
0.005
€{‚
€~
0.13
€~„‚
€ƒ{
Amplitude,
in.
term
#& exposure
+,(# totemperature
& #'(# extremes
+#& ,on-gauge
'(- oper #*
'ation.
.
The gauge
be powered
/6.6.2
0/0A=Procedure.
43B7C;470?"
'(- ,should
"(@)
! #)D”off"
$$E
throughout
"#(-"(this
",test,except
+%!"
testing
,-$
#'accuracy.
%%(#'%F.
when
for
GPerform
#$#&the
" 'accuracy
%%(#'%Ftest,in'accordance
%%#)'% !
"'
#'.H6.2.2
.I.I
with
para.
(#-W
#'.?"
,
#,,(# may
&'F
@)
F
vibration.
This
pressure
be '
applied
by
para.
The gauge
'atthe
" #reference
$#% temperature
& #'(# J(see
, '
#'.H6.1.4).
.K.LM.?"
'(- test,)during
pressurizing
,,(#Q-the
" -gauge
'(- 'and
),sealing
'@-the
" pressure
#,,(# port.
#.
be exposed
rated
,shall
"'@@then
" +,)tothe
" ,supplier
(@#N’s,#
')@low
! @limit
& #
24L"
hr#
the
of$,storage
#'- temperature.
& #'(#.O$
#'
#)of$I
" tem&* /6.7.3
After
a period
Vibration
0R0‡ˆExploratory
‰:a345234ŠS
TU452T3V8
7>2>0To
?)
#& the
"
Tests.
determine
#'(# ,shall
"'@@be #raised
',)tothe
" ,supplier's
(@#N,#rated
')"high
-"@limit
& #
perature
,
%
,
'
%
,
[
"
'
((
)
#
,
,
"
'
@
@
presence
of$#
resonances,
the
gauge
under
test
shall
be
hr#
period.
This
of$,storage
#'- temperature
& #'(# $for#'another
" #I24L"
#).?"
, Wvibrated
at$
frequencies
from
5]ŒQ
Hz toH
60^ŒQ'
Hz at'
a peak
#
'
)'
#
‹
(
%
,$
#
&
'
*
48
LP"hr#%cycle
F%@,shall
"'@@be
#repeated
')two
!times.
& ,.?"
'(- ,shall
"'@@ to-peak
The gauge
amplitude
not
toexceed
that
shown
in
Table
5.
*
'
'
&@
()
+
%
)
"
'
,
"
!
?
'
@
].
then
" @@! )to,stabilize
'@Q 'atthe
" #reference
$#% temperature
& #'(# ?"
be '
allowed
The %
change
in
frequency
"
'
$
#
‹
(
%
F,
"
'
@
@
&'
)
)
,
%
#
$
#
*
shall
be made
in
discrete
frepara.
'and
)then
" tested
,)$for#'accuracy
%%(#'%Fin'accordance
%%#)'% with
!"'
#'. ‹quency
intervals
of$'
approximately
1 Hz and
maintained
(
%
F
#
W
'
@
,
#
+
&'
@
FKŒQ'
)&'
'
)
The )
difference
H6.2.2.
.I.I.?"
$$#% between
! the
" two
!'accuracy
%%(#'%Ftests
,,
is, ateach
for
'%"$frequency
#‹( %F$
#'about
(K15],sec.%.The
?" frequencies
$#‹( %,'and
)
the
" effect
$$%of$the
" ,storage
#'- temperatures
& #'(#,expressed
+#,,)'as,'a '
@
%
'
,'
%
"#
,
'
%
,
%
%
(#,
"
'
@
@
).
locations
at!"
which
resonances
occur
shall
be noted.
percentage
#%'- of$,span.
'.
Test.
be tested
for
/6.7.4
0R0ŽˆEndurance
VC;45VB78
7>20The
?" -gauge
'(- ,shall
"'@@
,)$
#
a period
2 hr#
in
three
mutually
perpendicular
/6.70RS
TU452T3V
'
#)of$I"
each
'%"of$
"# &(
('@@F
# )%(@'#
Vibration
more
'axes
+,J(6H"
'@M'atthe
" resonant
#,'$frequency.
#‹( %F.IfZ$&
# than
"'
hr#
total)
This
6 hr#
/6.7.1
0R0<=Purpose.
;4:3>70?"
,test,)determines
#& ,the
" effect
$$%of$H"
one
resonant
frequency
exists,
the
test
shall
be
conducted
#
,
'
$
#
‹
(
%
F
+
,
,
[
"
,
,
"
'
@
@
%
)
(%
)
a specific
vibration
pattern
$
+,(# to',
%$%W
#'test,'
#'as, 'atthe
of exposure
highest
resonant
frequency.
If$
no#
resonance
"
"
"
,
#
,
'
$
#
‹
(
%
F
.Z
,
'
%
,
is
)described
,%#)inparas.
'#',.H6.7.2
.X.Ithrough
"#(-"H6.7.4.
.X.L.
,
#W )[the
" test,,shall
"'@@
%)(%)'at^
.^^]
.
observed,
be conducted
0.005
in.
1 0.001
double
displacement
60^ŒQ
Hz..
.^^Kin..)
(@ 'amplitude
&@() )
,@'%& 'atH
The gauge
be tested
/6.7.2
0R0A=Procedure.
43B7C;470?"
'(- ,shall
"'@@
,)$for#'accu%%(* `^
para.
The
%%(#'%Fin'accordance
%%#)'% with
!"'
#'.H6.2.2.
.I.I.?"
with
para.
before
#racy
'%Fin'accordance
%%#)'% !
"'
#'.H6.2.2
.I.I
$# ,starting
'#-the
" ?Test,$for#'accuracy
difference
is,
the
$$#% between
! the
" two
!'accuracy
%%(#'%Ftests
,,
" effect
$$%
Wvibration
#'tests.
,,.Y'
%"of$the
" tests
,,,specified
%$)
@! ,shall
"'@@ )
Each
below
Vibration
#'expressed
+#,,)'as,'
#%'- of$,span.
'.
a percentage
be
mutually
%conducted
)(%),separately
'#'@Fineach
'%"of$three
"# &(
('@@Fper-#* of$W
pendicular
All@
tests
)%(@'#'axes.
+,.O@
,,inone
'axis
+,,shall
"'@@be %completed
&@)
$# #
% )-totests
,,in'another
" #'axis.
+,.?"
'(- R
before
proceeding
The gauge
REFERENCE
DOCUMENTS
ˆˆˆ‘’ˆ“”’
•–ˆ‘81
under
be ,
secured
(
) #test,,shall
"'@@
%(#)tothe
" Wvibration
#'table
'@ inthe
" 7 
ASME
B1.20.1,
Purpose
˜Y™K
.I^.K[GPipe
Threads,
?"#'),[šGeneral
#'@G(#
, J(Inch)
Z%"M
manner
will
be ,
secured
,same
'& &'
#that
"'it!
@@
%(#)in,service.
#W%.ZInthe
" O—
ASME
PTC 19.2,
Apparatus:
Part
2,[
O—
˜YG?›K
œ.I[ZInstruments
,#(& ,'and
)O
'#'(,G'
#I
mounting,
be
%case
', of$,surface
(#$'% or#$flush
@(,"&
(-[the
" panel
' @,shall
"'@@
Pressure
,,(# ˜
',(#& Measurement
motion
will
,sufficiently
($$%@F#rigid
-)toensure
,(# that
"'its,&
!
@@be
essen,,* G#
motion
Publisher:
The O&
American
Mechanical
Engitially
'@@Fthe
" ,same
'& 'as,the
" &
of$the
" platform
@'$#& of$the
" G(
@," #?"
#%'—Society
%Fof$˜
%"'%'@Y
-*
vibration
machine.
be moniThree
Park
Avenue,
New
NY
W#'&'
%" .ZInput
(%conditions
),,should
"(@)
&* neers#,J(ASME),
O—˜YM[?"
# G'
#OW
( [ž
! York,
Ÿ#[žŸ
22I£'
Law
mounting.
Order
Department,
tored
#)'adjacent
)\'%tothe
" -gauge
'(- &
(-.OA pressure
#,,(# of$ K10016-5990;
^^KH*]œœ^ ¡#
) #¢
'#& [I
! Drive,
¢#W [
1 5%
Box
2300,
N] 07007-2300
]50%
^_`]
_of$$full
(@@,scale
%'@,shall
"'@@be
'applied
@)tothe
" -gauge
'(- under
() # GP.O.
.¡.™
+I
¤^^[Fairfield,
¥'#$@)[ž¦^
X^^X*I¤^^
f
K108^P
§¨©ª«¬­®¯ °±²²³°́ª°̄®µ°¶·µ«¬¸¹º°»¨¸¬µª̄°̈¼°½µ¸®¹º¬¸¹¾°¿º­¬ºµµ«ÀÁ
¨«µ©«¨Ãĸ¯¬¨º°·¹ª°́µ°·¹Ãµ°̈¼°̄®¬À°·¹µ̄«¬¹¾°Å¬¯®¨Ä°̄Å«¬¯µ̄º°̧¨ºÀµº°̄¨¼°¶»½¿Á
Copyright © 2006 by the American Society of Mechanical Engineers.
No reproduction may be made of this material without written consent of ASME.
ASME B40.100-2005
ISBN lI|*?"lL&*E“l“l3—E
9 780791 829936
K14305
012345678 9 9398794591583919759654
142418519399919875984595871894588918919
Download