Duplex H-Type Strainer
8" – 36" NB
Duplex H-Type Strainer 8" – 36" (200 mm – 900 mm)
The Duplex H-Type strainers are designed for larger size
•
External pressure equalising valve
applications where interruption of the flow for basket cleaning is not
•
Flanged to ASME Class 250FF and Class 300RF, can be
permitted. This range of duplex strainers employs a simple method
drilled to ASME Class 150, BS tables and DIN standards
for changeover, using two sliding gate valves, operated manually
by screwed shafts via an external handwheel. Operating shafts are
interconnected for simultaneous operation, thus eliminating any
Options
•
Internal protective coatings
•
Automatic valve changeover operation
stream. Access to the filter baskets is through quick release covers.
•
Cathodic protection for seawater service
The lightweight baskets are quickly and easily removed for cleaning
•
Reinforced baskets to withstand high differential pressures
without the need for any tools, lifting gear or specialised knowledge
•
Automatic backflushing facilities for both suction and discharge
possibility of completely shutting off the liquid flow. Provided with
a valve position indicator showing which chamber of the filter is on
and with minimum down time.operation.
duties
Standard Features
•
Magnetic element assemblies
•
Multiple lightweight baskets for easy handling
•
Pleated baskets for higher filtration area
•
Sliding gate type valves with positive compression seating
•
DP gauges and switches
•
Stepped angled basket seat for minimum pressure drop and
•
Flanged vents and drains
positive basket seating
•
Robust basket support cages complete with replaceable mesh
inserts (when required)
reducing spares holding and operating costs
•
Quick release covers for convenient basket removal without the
need for tools or lifting gear
•
Resilient cover ‘O’ seals
•
Filtration — 2 mm dia. perforations down to 45 microns
(coarser filtration available)
•
External valve position indicator showing which chamber is on
stream
•
Replaceable valve seats
•
Synchronised chain drive
•
Standard in cast iron and cast steel, all fitted with baskets and
inserts as required
SPECIALS
•
Cast or fabricated units for higher working pressures
Design Data
Ca s t I r on B S 14 5 2 GR 2 2 0
Ca s t S t e e l ASTM A 2 16 WC B
F l a n g e R at i n g
Design
Pr e ssu r e
Wo r k i n g T e m p
F l a n g e R at i n g
Design
Pr e ssu r e
Wo r k i n g T e m p
A N SI 2 5 0 F F
10 . 3 B ARG ( 15 0 p s i g )
@ 38°C
0 ° C - 10 0 ° C
A N SI 3 0 0 R F
2 0 B ARG ( 3 0 0 p s i g )
@ 38°C
0 ° C - 10 0 ° C
standard internals
S e rvice
M at e r i a l s
Va lv e s
S hafts
Va lv e S e at s
D r ive N uts
Ba s k e t
Oi l
Ca s t I r on
B S 14 5 2 ~ 2 6 0
M i ld Ste e l
B S 970 ~ 070 M 2 0
Ca s t I r on
B S 14 5 2 ~ 2 6 0
Ca s t I r on
B S 14 5 2 ~ 2 6 0
M i l d S t e e l B S 970 ~ 070 M 2 0
o r S ta i nl e s s S t e e l
AISI 3 16 L
Fr e s h
Wat e r
Ca s t I r on
B S 14 5 2 ~ 2 6 0
S ta i nl e s s S t e e l
B S 970 ~ 3 16 S 16
Ca s t I r on
B S 14 5 2 ~ 2 6 0
Ca s t I r on
B S 14 5 2 ~ 2 6 0
S ta i nl e s s S t e e l
AISI 3 16 L
S e a Wat e r
G u n m e ta l
B S 14 0 0 LG 4
S ta i nl e s s S t e e l
B S 970 ~ 3 16 S 16
G u n m e ta l
B S 14 0 0 LG 4
G u n m e ta l
B S 14 0 0 LG 4
S ta i nl e s s S t e e l AISI 3 16 L
o r Mon e l 4 0 0
Dimensions
Size
in
mm
Mo d e l
No.
N o . of
Bas k ets
A
mm
B
mm
C
mm
D
mm
E
mm
F
mm
G r o s s Ba s k e t
Ar ea
(pe r Cham b e r)
cm²
We ig ht
lb
kg
8
200
H N-8
2
10 0 0
419
902
238
568
692
3225
275 6
12 5 0
10
250
HS - 10
2
10 8 9
6 10
1112
4 47
606
738
5 16 0
3086
14 0 0
10
250
H L - 10
4
15 0 2
4 57
10 67
451
6 19
838
74 8 5
4960
2250
12
300
H N - 12
4
15 0 2
4 57
10 67
451
6 19
838
74 8 5
4960
2250
2250
14
350
HS - 14
4
15 0 2
4 57
10 67
451
6 19
838
74 8 5
4960
14
350
H L - 14
4
174 3
78 1
147 3
76 9
76 2
10 67
12 9 0 5
10 3 8 4
47 10
16
400
H N - 16
4
174 3
78 1
147 3
76 9
76 2
10 67
12 9 0 5
10 3 8 4
47 10
18
450
H N - 18
4
174 3
78 1
147 3
76 9
76 2
10 67
12 9 0 5
10 3 8 4
47 10
20
500
HS - 2 0
4
174 3
78 1
147 3
76 9
76 2
10 67
12 9 0 5
10 3 8 4
47 10
20
500
H L-20
8
2 410
870
16 3 5
830
12 4 0
15 6 5
25805
19 6 2 1
8900
24
600
HS - 2 4
8
2 410
870
16 3 5
830
12 4 0
15 6 5
25805
19 6 2 1
8900
24
600
H L-24
12
2600
870
170 0
12 2 0
15 2 5
18 0 0
3 87 10
2 0 6 57
9 370
28
70 0
H N-28
12
2600
870
170 0
12 2 0
15 2 5
18 0 0
3 87 10
2 0 6 57
9 370
30
75 0
H N-30
12
2600
870
170 0
12 2 0
15 2 5
18 0 0
3 87 10
2 0 6 57
9 370
32
800
H N-32
12
2600
870
170 0
12 2 0
15 2 5
18 0 0
3 87 10
2 0 6 57
9 370
36
900
H N-36
D e ta i l s on A p p l i cat i on
Approximate dimensions only. Tolerance: Plus or Minus 3 mm
SPX Flow Technology, SPX International Ltd, Hambridge Road, Newbury, Berkshire RG14 5TR
Phone: +44 1635 42363 Fax: +44 1635 49758 E-Mail: plentyfilters@spx.com
For more information about our worldwide locations, approvals, certifications, and local representatives,
please visit www.plentyfiltration.net
SPX reserves the right to incorporate our latest design and material changes without notice or obligations.
Design features, materials of construction and dimensional data, as described in this bulletin, are provided for your information only and should not be relied upon unless
confirmed in writing. Please contact your local sales representative for product availability in your region. For more information visit www.spx.com.
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Issued: PF-40.00 -1- EN - 03/2013 COPYRIGHT © 2013 SPX Corporation