Style WR & WRI Recommended torque value chart

SPIRAL WOUND GASKETS SUGGESTED TORQUE VALUES (FT/Lbs)
For Style WR & WRI to ASME B16.20

Nom.
Pipe
Size
 Suggested Torque Value
Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class  2500
½
47
47
 
47
 65
 65
65
¾
60
70
 
70
 93
 93
93
1
60
90
 
90
 148
 148
148
1 ¼
60
105
 
105
 242
 242
282
1 ½
60
170
 
170
 351
 351
385
2
120
113
 
113
 228
 228
266
2 ½
120
146
 
146
 327
 327
358
3
120
200
 
200
 318
 449
496
3 1/2
120
200
 
300
318
 318
 
4
120
200
320
320
575
694
734
5
160
200
320
490
805
967
1282
6
200
200
320
490
661
867
1832
8
200
320
490
650
1003
1301
1648
10
320
490
710
875
915
2261
2486
12
320
710
1000
1000
1102
1941
3976
14
490
710
1000
1223
1164
2051
 
16
490
835
1200
1335
1540
3420
 
18
710
835
1360
1900
2971
4815
 
20
710
1000
1605
1900
2800
5761
 
24
1000
1200
2885
3000
4144
9294
 

Industry Torque values are in FT/LBS., and assume Alloy Steel bolts (A193B7 w/ 2 H Nuts) with oil/graphite lubrication.

Spiraltec Gasket Co. does not accept responsibility for the misuse of this information.

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