K F
I
N
D
U
S
T
R
I
E
S ,
I
N
C .
KF Eagle Series 35
Check Valves
Flanged End (RF and RTJ) Swing Style
Integrally Cast Flange design. Standard trim
includes 316 Stainless Steel Disc, Shaft and
Bushings. Unique optional 316 Stainless
Steel removable Seat available.
Installing the Series 35 in vertical “upflow”
applications requires no modification, and the
Series 35 Check Valve is also suitable
for Pigging.
B
Dimensional Data, ANSI
Class 150 through 1500
Description
Weight
LBS.
A
B
Ring
Size
20
Class
150
300
600
900
1500
150
300
600 RF
600 RTJ
900 RF
900 RTJ
1500 RF
1500 RTJ
150
300
600
900
1500
600
900
1500
A
2"
3"
4"
6"
Size (In)
8"
10"
12"
14"
16"
19
26
48
80
118
8
10 1/2
11 1/2
11 5/8
14 1/2
14 5/8
14 1/2
14 5/8
48
65
97
115
128
9 1/2
12 1/2
14
14 1/8
15
15 1/8
18 1/2
18 5/8
75
101
155
215
365
11 1/2
14
17
17 1/8
18
18 1/8
21 1/2
21 5/8
110
185
300
435
765
14
17 1/2
22
22 1/8
24
24 1/8
27 3/4
28
220
370
560
775
1220
19 1/2
21
26
26 1/8
29
29 1/8
32 3/4
33 1/8
530
530
1020
1250
1560
24 1/2
24 1/2
31
31 1/8
33
33 1/8
39
39 3/8
650
900
1355
1620
2050
27 1/2
28
33
33 1/8
38
38 1/8
44 1/2
45 1/8
1150
1450
1975
—
—
31
33
35
35 1/8
—
—
—
—
2010
2010
2500
—
—
34
34
39
39 1/8
—
—
—
—
4 3/4
4 3/4
5 1/4
5 1/4
5 7/8
R23
R24
R24
5 1/2
5 1/2
6 1/4
6 3/4
7 3/8
R31
R31
R35
6 1/4
6 1/2
7 1/2
8 1/4
8 7/8
R37
R37
R39
8
8 7/8
10 1/4
10 3/4
11 5/8
R45
R45
R46
10 1/2
11 3/4
13
13 3/4
15 1/2
R49
R49
R50
13
13
14 5/8
15 1/2
18 1/4
R53
R53
R54
13 5/8
14 1/2
16 3/8
17 1/4
20 1/2
R57
R57
R58
17
18 1/4
19 3/4
—
—
R61
—
—
21 3/4
21 3/4
23 1/2
—
—
R65
—
—
KF reserves the right to change designs, materials or specifications without
notice or without obligation to furnish or install such changes on products
previously or subsequently sold.
K F
I
N
D
U
S
T
R
I
E
S ,
I
N
C .
KF Series 35 Check Valves
Assembly Base Numbers
DimensionalData,API 2000, 3000 &5000 API 2000, 3000&5000
Description
Weight
Lbs.
A
B
Ring
Size
Class
API 2000
API 3000
API 5000
API 2000
API 3000
API 5000
API 2000
API 3000
API 5000
API 2000
API 3000
API 5000
2 /16"
Size (In)
3 /8"
4 1/16"
7 /16"
48
78
78
11 5/8
14 5/8
14 5/8
5 1/4
5 7/8
6 1/8
R23
R24
R24
97
115
128
14 1/8
15 1/8
18 5/8
6 1/4
6 3/4
7 3/8
R31
R31
R35
300
435
765
22 1/8
24 1/8
28
10 1/4
10 3/4
11 5/8
R45
R45
R46
1
1
API
1
155
215
365
17 1/8
18 1/8
21 5/8
7 1/2
8 1/4
8 7/8
R37
R37
R39
2000
3000
5000
2 /16"
Size (In)
3 /8"
4 1/16"
7 1/16"
7917-
7918-
7919-
7920-
79267935-
79277936-
79287937-
79297938-
1
1
Assembly Base Numbers, ANSI Class 150 through 1500
Class
MOP
150
300
600
900
1500
285
740
1480
2220
3705
Class
MOP
150
300
600
900
1500
285
740
1480
2220
3705
2"
3"
4"
Size (In)
6"
8"
10"
12"
14"
16"
7776-
7778-
7779-
7781-
7782-
7783-
7784-
7785-
7786-
7802785478807906-
7804785678827908-
7805785778837909-
7807785978857911-
7808786078867912-
7809786178877913-
7810786278887914-
78117863—
—
78127864—
—
18"
Size (In)
20"
24"
7787-
7788-
7790-
78137865–
–
–
78667892–
78167868–
–
Check Valve Design, Pressure Class,
and Size Availability Chart
Locate size and pressure class on the chart below and find the designated design that’s available. Use the Base Number
Charts above and combine with the Assembly Part Number Code Charts on the following pages to build your part number.
NS=New Shaft Style (Springless), OS=Old Shaft Style (Spring), T=Trough Style
Class
150
300
600
900
1500
2500
2"
3"
4"
6"
8"
NS
NS
NS
OS
OS
OS
NS
NS
NS
OS
OS
OS
NS
NS
NS
OS
T
OS
NS
NS
NS
T
T
NS
T
T
OS
T
T
KF reserves the right to change designs, materials or specifications without
notice or without obligation to furnish or install such changes on products
previously or subsequently sold.
Size (In)
10"
12"
T
T
T
T
T
T
T
T
T
T
14"
16"
18"
20"
24"
NS
NS
NS
T
T
NS
T
T
T
T
NS
NS
T
T
NS
21
K F
I
N
D
U
S
T
R
KF Eagle Series 35
Check Valve Assembly
Part Number Code (Old Shaft Style)
on
ecti
n
Con
End
al*
teri
t&
nne
a
gM
Plu
o
y, B
Bod
CE
NA
nd
ga
tin
Coa
al
tern
c,
Dis
and
on
rati
eal
S
isc
u
nfig
Co
t/D
Sea
al*
teri
a
gM
n
Ri
eat
a
lace
Rep
S
ble
rial
l
Sea
te
Ma
s
ion
Opt
Assembly
Base
Number
XXXX - X XX X X X X X X X
22
N
C .
1 • RF
2 • RTJ
3 • Buttweld/Standard/Sch. 40
5 • Buttweld/XS/Sch. 80
7 • Buttweld/XXS (1" through 12" sizes only)
9 • Flat Faced
13 • Carbon Steel (Carbon Steel Studs & Nuts)
14 • 4C (Carbon Steel Studs & Nuts) API 6A only
15 • 316 Stainless Steel (Xylan Ctd. CS Studs & Nuts)
17 • Aluminum Bronze (Xylan Ctd. CS Studs & Nuts) (Monel Plug)
26 • 317 Stainless Steel (Xylan Ctd. CS Studs & Nuts)
28 • LCC (Low Temp. Studs & Nuts) (316 SS Plug)
29 • CA15 Stainless Steel (Xylan Ctd.
CS Studs & Nuts) API 6A only
2 • NACE (Class III Bolting)
3 • NACE and Internal Epoxy Coating (Class III Bolting)
4 • NACE II (Class II Bolting)
5 • NACE II and Internal Epoxy Coating (Class II Bolting)
6 • Enduro-Bond™ Coating
7 • NACE III Enduro-Bond™ Coating (Class III Bolting)
8 • NACE II Enduro-Bond™ Coating (Class II Bolting)
9 • None
al
in
Spr
I
1 • None
2 • 316 Stainless Steel
3 • Low Torque 316 Stainless Steel
4 • Inconel X
5 • Low Torque Inconel X
teri
a
gM
S ,
s*
ing
ft
Sha
E
K • 316 Stainless Steel
M • 317 Stainless Steel
S • Aluminum Bronze Disc, Monel Shaft & Bushings
V • 410 Stainless Steel
In
h
Bus
I
1 • Integral Metal/Resilient
2 • Integral Metal/Metal (HT Bnt Gskt)
3 • Replaceable Resilient/Metal
4 • Replaceable Metal/Metal (HT Bnt Gskt, VTN B-U)
5 • Integral Stellite Overlay/Resilient
6 • Integral Stellite Overlay/Stellite Overlay (HT Bnt Gskt)
7 • Integral 316 Stainless Steel Overlay/Resilient
9 • Replaceable Stellite Overlay/Resilient
0 • Replaceable Stellite Overlay/Stellite Overlay
(HT Bnt Gskt & VTN B-U)
F • Replaceable 316 Stainless Steel/Metal to Metal
2 • 316 Stainless Steel
9 • Not Applicable (Integral Seat Face)
V • 410 Stainless Steel
1 • Buna N
2 • Viton®
3 • Teflon®
4 • EPDM
5 • Low Temp. Buna N
6 • Peroxide Cured Buna N
7 • Aflas®
8 • Nitrile F/MTBE Service
9 • Not Applicable
1 • None
2 • Body Drain
3 • Fire Safe (HT Bnt Gskt)
4 • Fire Safe w/Body Drain
*Consult factory for the availability of materials and sizes not listed.
Viton® is a registered trademark of DuPont Dow Elastomers.
Teflon® is a registered trademark of DuPont.
Aflas® is a registered trademark of Asahi Glass.
Enduro-Bond™ is a registered trademark of Energy & Environmental Services.
KF reserves the right to change designs, materials or specifications without
notice or without obligation to furnish or install such changes on products
previously or subsequently sold.
K F
I
N
D
U
S
T
R
KF Eagle Series 35
Check Valve Assembly
Part Number Code (New Shaft Style)
n
ctio
ne
Con
End
al*
teri
t&
nne
a
gM
Plu
o
y, B
Bod
ing
oat
lC
rna
CE
NA
and
Inte
t*
haf
S
sc &
Di
ode
sC
s
roce
/P
tion
ra
figu
Con
on
rati
eal
cS
Dis
u
nfig
Co
t/
Sea
al*
teri
a
gM
ble
a
lace
in
at R
Se
rial
ate
Rep
M
eal
S
s
ion
Opt
Assembly
Base
Number
XXXX - X XX X X X X X X X
KF reserves the right to change designs, materials or specifications without
notice or without obligation to furnish or install such changes on products
previously or subsequently sold.
I
E
S ,
I
N
C .
1 • RF
2 • RTJ
3 • Buttweld/Standard
4 • Buttweld/Sch. 40 (12" through 16" sizes only)
5 • Buttweld/XS
6 • Buttweld/Sch. 80 (10" through 16" sizes only)
7 • Buttweld/XXS (1" through 12" sizes only)
9 • Flat Faced
13 • Carbon Steel (Carbon Steel Studs & Nuts)
15 • 316 Stainless Steel (Xylan Ctd. CS Studs & Nuts)
17 • Aluminum Bronze (Xylan Ctd. CS Studs & Nuts) (Monel Plug)
26 • 317 Stainless Steel (Xylan Ctd. CS Studs & Nuts)
28 • LCC (Low Temp. Studs & Nuts) (316 SS Plug)
2 • NACE (Class III Bolting)
3 • NACE and Internal Epoxy Coating (Class III Bolting)
4 • NACE II (Class II Bolting)
5 • NACE II and Internal Epoxy Coating (Class II Bolting)
6 • Enduro-Bond™ Coating
7 • NACE III Enduro-Bond™ Coating (Class III Bolting)
8 • NACE II Enduro-Bond™ Coating (Class II Bolting)
9 • None
F • CS Disc, 316 SS Shaft and Bushings (4" and larger)
K • 316 Stainless Steel
M • 317 Stainless Steel
S • Aluminum Bronze Disc, Monel Shaft & Bushings
V • 410 Stainless Steel
A • Standard (New Shaft Style)
B • Standard (New Trough Style)
1 • Integral Metal/Resilient
2 • Integral Metal/Metal (HT Bonnet Gasket)
3 • Replaceable Resilient/Metal
4 • Replaceable Metal/Metal (HT Bnt Gskt, VTN B-U)
5 • Integral Stellite Overlay/Resilient
6 • Integral Stellite Overlay/Stellite Overlay (HT Bnt Gskt)
7 • Integral Metal/316 SS Overlay (4" and up)
(HT Bonnet Gasket)
8 • Integral 316 SS Overlay/316 SS Overlay (4" and up)
(HT Bonnet Gasket)
9 • Replaceable Stellite Overlay/Resilient
0 • Replaceable Stellite Overlay/Stellite Overlay
(HT Bonnet Gasket & VTN B-U)
2 • 316 Stainless Steel
9 • Not Applicable (Integral Seat Face)
V • 410 Stainless Steel
1 • Buna N
2 • Viton®
3 • Teflon®
4 • EPDM
5 • Low Temp. Buna N
6 • Peroxide Cured Buna N
7 • Aflas®
8 • Nitrile F/MTBE Service
9 • Not Applicable
1 • None
2 • Body Drain
3 • Fire Safe (HT Bnt Gskt)
4 • Fire Safe w/Body Drain
5 • Upstream Bleed
6 • Upstream Bleed & Body Drain
7 • Upstream Bleed & Fire Safe (HT Bonnet Gasket)
8 • Upstream Bleed/Fire Safe/Body Drain (HT Bnt Gskt)
*Consult factory for the availability of materials and sizes not listed.
Viton® is a registered trademark of DuPont Dow Elastomers.
Teflon® is a registered trademark of DuPont.
Aflas® is a registered trademark of Asahi Glass.
Enduro-Bond™ is a registered trademark of Energy & Environmental Services.
23
K F
I
N
D
U
S
T
R
KF Eagle Series 35
Check Valve Assembly
Part Number Code (Trough Style)
s
tion
ec
onn
C
End
al
teri
a
et M
n
Bon
nd
ya
Bod
tin
Coa
xy
Epo
l
a
tern
CE
NA
nd
ga
In
gs
hin
aft
Sh
isc,
us
dB
an
on
rati
D
eal
tS
nne
u
nfig
Co
Bo
tion
ura
sc
/Di
e
Fac
fig
Con
t
Sea
*
rial
ng
te
Ma
eS
abl
ce
pla
Re
Ri
eat
rial
l
Sea
te
Ma
s
ion
Opt
Assembly
Base
Number
XXXX - X XX X X X X X X X
24
I
E
S ,
I
N
C .
1 • RF
2 • RTJ
3 • Buttweld/Standard
4 • Buttweld/Sch. 40 (12" through 16" sizes only)
5 • Buttweld/XS
6 • Buttweld/Sch. 80 (10" through 16" sizes only)
7 • Buttweld/XXS (1" through 12" sizes only)
9 • Flat Faced
13 • Carbon Steel
15 • 316 Stainless Steel (Xylan Ctd. CS Studs & Nuts)
17 • Aluminum Bronze (Xylan Ctd. CS Studs & Nuts)
26 • 317 Stainless Steel (Xylan Ctd. CS Studs & Nuts)
28 • LCC (Low Temp. CS Studs & Nuts)
2 • NACE (Class III Bolting)
3 • NACE and Internal Epoxy Coating (Class III Bolting)
4 • NACE II (Class II Bolting)
5 • NACEII and Internal Epoxy Coating (Class II Bolting)
6 • Enduro-Bond™ Coating
7 • NACE III Enduro-Bond™ Coating (Class III Bolting)
8 • NACE II Enduro-Bond™ Coating (Class II Bolting)
9 • None
F • CS Disc, 316 SS Shaft and Bushings
K • 316 Stainless Steel
M • 317 Stainless Steel (API 6D only)
S • Aluminum Bronze Disc, Monel Shaft & Bushings
V • 410 Stainless Steel
7 • High Temp./Firesafe Bonnet Gasket
9 • Standard
1 • Integral Metal/Resilient
2 • Integral Metal/Metal
3 • Replaceable Resilient/Metal
4 • Replaceable Metal/Metal
5 • Integral Stellite Overlay/Resilient
6 • Integral Stellite Overlay/Stellite Overlay
7 • Integral Metal/316 Stainless Steel Overlay (6" and up)
8 • Integral 316 SS Overlay/316 SS Overlay (6" and up)
9 • Replaceable Stellite Overlay/Resilient
0 • Replaceable Stellite Overlay/Stellite Overlay
2 • 316 Stainless Steel
9 • Not Applicable (Any assembly w/“Integral” Seat Face)
V • 410 Stainless Steel
1 • Buna N
2 • Viton®
3 • Teflon®
4 • EPDM
5 • Low Temp. Buna N
6 • Peroxide Cured Buna N
(90 Durometer)
7 • Aflas®
8 • Nitrile F/MTBE Service
9 • Not Applicable
1 • None
2 • Body Drain
5 • Upstream Bleed
6 • Upstream Bleed & Body Drain
*Consult factory for the availability of materials and sizes not listed.
Viton® is a registered trademark of DuPont Dow Elastomers.
Teflon® is a registered trademark of DuPont.
Aflas® is a registered trademark of Asahi Glass.
Enduro-Bond™ is a registered trademark of Energy & Environmental Services.
KF reserves the right to change designs, materials or specifications without
notice or without obligation to furnish or install such changes on products
previously or subsequently sold.
K F
I
N
D
U
S
T
R
KF Eagle Series 35 API 6A
Check Valve Assembly
Part Number Code
E
S ,
I
N
C .
2 • RTJ
on
ecti
n
Con
End
y&
Bod
y
pox
al
teri
a
et M
n
Bon
ting
Coa
CE
NA
and
lE
rna
Inte
I
s
ing
nd
ft a
ha
c, S
h
Bus
ing
isc
t/D
Sea
on
3 • Replaceable Resilient/Metal
4 • Replaceable Metal/Metal
9 • Replaceable Stellite Overlay/Resilient
0 • Replaceable Stellite Overlay/Stellite Overlay
C
rial
ng
te
Ma
eS
abl
ce
pla
igu
onf
Ri
eat
Re
rial
l
Sea
te
Ma
s
ion
Opt
Assembly
Base
Number
XXXX - 2 XX X X X X X X X
KF reserves the right to change designs, materials or specifications without
notice or without obligation to furnish or install such changes on products
previously or subsequently sold.
F • CS Disc, 316 SS Shaft and Bushings
H • CS (3 Mil ENP) Disc, 316 SS Shaft & Bushings
K • 316 Stainless Steel
M • 317 Stainless Steel
V • 410 Stainless Steel
rial
te
Ma
rati
l
Sea
2 • NACE
3 • NACE and Internal Epoxy Coating
6 • Enduro-Bond™ Coating
7 • NACE II Enduro-Bond™ Coating
8 • NACE III Enduro-Bond™ Coating
9 • None
1 • None
2 • 316 Stainless Steel
3 • Low Torque 316 Stainless Steel
4 • Inconel X
5 • Low Torque Inconel X
Dis
Spr
14 • 4C (Carbon Steel Studs & Nuts)
29 • CA15 Stainless Steel (CS Studs & Nuts)
30 • CA15 Stainless Steel (SS Studs & Nuts)
2 • 316 Stainless Steel
9 • Not Applicable
V • 410 Stainless Steel
1 • Buna N
2 • Viton®
3 • Teflon®
4 • EPDM
6 • Peroxide Cured Buna N
7 • Aflas®
8 • Nitrile F/MTBE Service
9 • Not Applicable
1 • None
2 • Body Drain
5 • Upstream Bleed
6 • Upstream Bleed & Body Drain
Viton® is a registered trademark of DuPont Dow Elastomers.
Teflon® is a registered trademark of DuPont.
Aflas® is a registered trademark of Asahi Glass.
Enduro-Bond™ is a registered trademark of Energy & Environmental Services.
25