Flowserve Noble Alloy Ball Valve IOM - Manual (Page 11)

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