Figure 671A
CAST IRON VALVES
125# FLANGED 200 WOG
IBBM SWING CHECK VALVE
Features:
•• 200•PSI•WOG•Non-Shock••(-20°F•to•150°F)
•• 125•PSI•WSP•(Saturated•Steam•to•353°F)
•• Flat•Faced•Flanges
•• Horizontal•Swing
•• Horizontal•Installation•or•Vertical•with•Upward•
Flow
Standards:
•• Class•125•Flanges:•ANSI•B16.1
•• Pressure/Temperature•Rating:•ANSI•B16.1
•• Face•to•Face•Dimensions:•ANSI•B16.10
•• Design•&•Testing:•MSS•SP-71
Pressure/Temperature*
Temp (°F) Pressure (PSI)
•-20•to•150 200
200 190
225 180
250 175
275 170
300 165
325 155
350 150
375 145
400 140
425 130
••••••••••••**450 125
*• P/T•listed•is•for•2•to•12•inch,•200•WOG•ASTM•A126•Class•B•gray•
iron•valves.••Temperatures•shown•are•that•of•the•pressure•containing•
parts•of•the•valve•and•are•assumed•to•be•equal•to•the•contained•
uid’s•temperature.••Use•of•a•pressure•rating•at•a•pressure•containing•
temperature•other•than•the•contained•uid’s•is•at•the•responsibility•of•the•
end-user.
**• Maximum•temperature•for•bronze•trim.
Figure Number Matrix
FNW 671A Size
SIZE•CODE
• 2•=•K
• 2-1/2•=•L
• 3•=•M
• 4•=•P
• 5•=•S
• 6•=•U
• 8•=•X
• 10•=•10
• 12•=•12
www.fnw.com
15
14
10
12
11
Figure 671A
CAST IRON VALVES
125# FLANGED 200 WOG
IBBM SWING CHECK VALVE
Standard Materials
Ref.
No.
H
1
9
2
Port
J
G
Description Material
1 Body
2 Seat•Ring ASTM•B62,•Bronze
3 Disc•Ring ASTM•B62,•Bronze
4 Disc ASTM•A126•B,•Cast•Iron
5 Hinge
6 Washer ASTM•A307•B,•Carbon•Steel
ASTM•A126•B,•Cast•Iron
ASTM•A216•WCB,
Carbon•Steel
13
4
6
7
8
3
5
L
M-
N
T
Dimensions (inches)
Size Port ØJ H T M ØN L ØG
2 2.01 4.75 6.02 0.62 4 0.75 8.00 5.98
2-1/2 2.50 5.50 6.38 0.69 4 0.75 8.50 7.01
3 2.99 6.00 6.93 0.75 4 0.75 9.50 7.48
4 4.02 7.50 8.66 0.94 8 0.75 11.50 9.02
5 5.00 8.50 8.90 0.94 8 0.87 13.00 10.00
6 5.98 9.50 12.64 1.00 8 0.87 14.00 10.98
8 7.99 11.75 13.86 1.12 8 0.87 19.50 13.50
10 10.00 14.25 15.12 1.19 12 0.98 24.50 15.98
12 12.01 17.00 16.77 1.25 12 0.98 27.50 19.02
7 Nut ASTM•A563,•Carbon•Steel•
8 Pin 304SS,•Stainless•Steel
9 Hinge•Pin 13Cr,•Stainless•Steel
10 Bolt ASTM•A307•B,•Carbon•Steel
11 Bonnet•Gasket Graphite•+•Steel
12 Bonnet ASTM•A126•B,•Cast•Iron
13 Plug ASTM•A47,•Malleable•Iron
14 ID•Plate Aluminum
15
Lifting•Eye•Bolt
(6"•and•Larger)
ASTM•A307•B,•Carbon•Steel
Cv & Weight
Size Cv
2 137 22
2-1/2 221 31
3 327 42
4 605 71
5 975 110
6 1440 130
8 2670 236
10 4300 377
12 6350 564
Wt.
(Lbs)
DOC: FNW671A12 Ver. 10/2012
©•2012•-•FNW.••All•rights•reserved.
The•FNW•logo•is•a•trademark•of•Ferguson•Enterprises,•Inc.,•PL•Sourcing,•PO•Box•2778,•Newport•News,•VA•23609
The•contents•of•this•publication•are•presented•for•information•purposes•only,•and•while•effort•has•been•made•to•ensure•their•accuracy,•they•are•not•to•be•construed•as•
warranties•or•guarantees,•expressed•or•implied,•regarding•the•products•or•services•described•herein•or•their•use•or•applicability.••All•sales•are•governed•by•our•terms•and•
conditions,•which•are•available•on•request.••We•reserve•the•right•to•modify•or•improve•the•designs•or•specications•of•our•products•at•any•time•without•notice.••Always•
verify•that•you•have•the•most•recent•product•specications•or•other•documentation•prior•to•the•installation•of•these•products.
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