
15 
14 
10 
12
 H 
15
Liftin
g Eye Bolt 
(6" and Larger)
elbaellaM ,74A MTSAgulP31
ASTM A307 B, Carbon Steel 2
ytQlairetaMnoitpircseD.oN .feR
1norI tsaC ,B 621A MTSAydoB1 
1eznorB ,26B MTSAgniR taeS2 
1eznorB ,26B MTSAgniR csiD3 
1norI tsaC ,B 621A MTSAcsiD4 
1leetS nobraC ,BCW 612A MTSAegniH5 
1leetS nobraC ,B 703A MTSArehsaW6 
1 leetS nobraC ,365A MTSAtuN7 
1leetS sselniatS ,SS403niP8 
1leetS sselniatS ,rC31niP egniH9
toL 1leetS nobraC ,B 703A MTSAtloB01 
1leetS + etihparGteksaG tennoB11 
1norI tsaC ,B 621A MTSAtennoB21 
1norI 
1munimulAetalP DI41
11
1 
9 
2 
4 
6
7
8 
3
5
13
 L 
 M-
N
 T 
 Port 
  J 
G
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
SCOPE OF APPLICATION
NOMINAL PRESSURE
TEST 
PRESSURE
WORKING TEMPERATURE MAX 
SUITABLE MEDIUM
TECHNICAL REQUIREMENTS
1. Pressure/temperature rating conforms to ANSI B16.1
2. Design conforms to MSS SP-71
3. Flange dimensions conform to ANSI B16.1
4. Face-to-face conforms to ANSI B16.10
5. Testing conforms to MSS SP-71
TITLE/DESCRIPTION
IBBM 125# Flanged Swing Check Valve
DATE:
10-15-2012
REV:
0
CONFIDENTIAL AND PROPRIETARY INFORMATION BELONGING TO FNW VALVE.  
SUBMITTED FOR THE LIMITED PURPOSE OF PROVIDING INFORMATION ON PRODUCTS 
AND SYSTEMS. BY RECEIVING THIS DOCUMENT, YOU AGREE NOT TO DISCLOSE SUCH 
INFORMATION TO OTHERS EXCEPT BY WRITTEN PERMISSION OF FNW VALVE.
SHELL 
SEAT
Figure 671A
BY:
PEA
APVD:
SCALE:UNITS:
NUMBER:
NTSINCHES
125 
300 
200 
450 °F
Water, Oil, Gas
PSI
4120 NE Columbia Blvd 
Portland, OR 97211 
Phone (503)287-8383 
Fax (503)281-9677
671A_2-12
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