Flowserve Noble Alloy Ball Valve IOM User Manual
Page 11
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August 22, 2002, Rev. 2
9
BODY/TAILPIECE STUD TORQUE
STUD NOMINAL SIZE
1/4-20
5/16-18
3/8-16
1/2-13
5/8-11
3/4-10
7/8-9
B8M STRAIN
HARDENED - (IN-LBS)
95-100
190-200
380-400
800-840
NA
NA
NA
B8M STRAIN
HARDENED - (IN-LBS)
NA
NA
NA
NA
150-160
260-280
340-360
B7/B7M - (IN-LBS)
110-120
190-200
380-400
800-840
NA
NA
NA
B7/B7M - (FT-LBS)
NA
NA
NA
NA
150-160
260-280
380-400
STUD NOMINAL SIZE
1-8
1 1/8- 7
1 1/4 - 7
1 3/8 - 6
1 1/2 - 6
1 5/8 - 6
1 3/4 - 5
B8M STRAIN
HARDENED - (IN-LBS)
NA
NA
NA
NA
NA
NA
NA
B8M STRAIN
HARDENED - (IN-LBS)
400-420
630-650
900-920
940-960
1330-
1350
1610-
1630
1700-
1730
B7/B7M - (IN-LBS)
NA
NA
NA
NA
NA
NA
NA
B7/B7M - (FT-LBS)
580-600
940-960
1340-
1360
1780-
1820
2500-
2540
3220-
3260
3400-
3460
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