Page 45 - New Supercatalog Color.indd

C-44
Nom. Size of Internal Minimum Preferred
Pipe Size No. of Bolts Pressure Torque Torque
(Inches) Bolts (Inches) (psig) (ft.-lbs.) (ft.-lbs.)
0.50 4 0.50 300 9 28
0.75 4 0.50 300 13 40
1.00 4 0.50 300 17 53
1.25 4 0.50 300 26 60
1.50 4 0.50 300 35 60
2.00 4 0.63 300 69 120
2.50 4 0.63 300 81 120
3.00 4 0.63 300 119 120
3.50 8 0.63 300 66 120
4.00 8 0.63 300 84 120
5.00 8 0.75 300 117 200
6.00 8 0.75 300 148 200
8.00 8 0.75 300 200 200
10.00 12 0.88 300 188 320
12.00 12 0.88 300 250 320
14.00 12 1.00 300 317 490
16.00 16 1.00 300 301 490
18.00 16 1.13 300 448 710
20.00 20 1.13 300 395 710
24.00 20 1.25 300 563 1,000
Nom. Size of Internal Minimum Preferred
Pipe Size No. of Bolts Pressure Torque Torque
(Inches) Bolts (Inches) (psig) (ft.-lbs.) (ft.-lbs.)
0.50 4 0.50 800 12 28
0.75 4 0.63 800 21 51
1.00 4 0.63 800 28 67
1.25 4 0.63 800 43 102
1.50 4 0.75 800 64 151
2.00 8 0.63 800 46 108
2.50 8 0.75 800 60 141
3.00 8 0.75 800 88 200
3.50 8 0.75 800 99 200
4.00 8 0.75 800 125 200
5.00 8 0.75 800 156 200
6.00 12 0.75 800 131 200
8.00 12 0.88 800 205 320
10.00 16 1.00 800 219 490
12.00 16 1.13 800 319 710
14.00 20 1.13 800 287 652
16.00 20 1.25 800 401 912
18.00 24 1.25 800 439 1,000
20.00 24 1.25 800 484 1,000
24.00 24 1.50 800 662 1,552
Torque and Stress Tables
Bolt Torque Tables for ASME B 16.5 Raised Face Flanges with A193 Gr B7 Bolts
Nom. Size of Internal Minimum Preferred
Pipe Size No. of Bolts Pressure Torque Torque
(Inches) Bolts (Inches) (psig) (ft.-lbs.) (ft.-lbs.)
0.50 4 0.50 300 9 20
0.75 4 0.50 300 13 27
1.00 4 0.50 300 17 35
1.25 4 0.50 300 26 54
1.50 4 0.50 300 35 60
2.00 4 0.63 300 69 120
2.50 4 0.63 300 81 120
3.00 4 0.63 300 119 120
3.50 8 0.63 300 66 120
4.00 8 0.63 300 84 120
5.00 8 0.75 300 117 200
6.00 8 0.75 300 148 200
8.00 8 0.75 300 200 200
10.00 12 0.88 300 188 320
12.00 12 0.88 300 250 320
14.00 12 1.00 300 317 490
16.00 16 1.00 300 301 490
18.00 16 1.13 300 448 710
20.00 20 1.13 300 395 710
24.00 20 1.25 300 563 1,000
Nom. Size of Internal Minimum Preferred
Pipe Size No. of Bolts Pressure Torque Torque
(Inches) Bolts (Inches) (psig) (ft.-lbs.) (ft.-lbs.)
0.50 4 0.50 800 12 20
0.75 4 0.63 800 21 34
1.00 4 0.63 800 28 45
1.25 4 0.63 800 43 68
1.50 4 0.75 800 64 101
2.00 8 0.63 800 46 72
2.50 8 0.75 800 60 94
3.00 8 0.75 800 88 138
3.50 8 0.75 800 99 154
4.00 8 0.75 800 125 196
5.00 8 0.75 800 156 200
6.00 12 0.75 800 131 200
8.00 12 0.88 800 205 320
10.00 16 1.00 800 219 341
12.00 16 1.13 800 319 498
14.00 20 1.13 800 287 435
16.00 20 1.25 800 401 608
18.00 24 1.25 800 439 1,000
20.00 24 1.25 800 484 1,000
24.00 24 1.50 800 662 1,035
Note: Consult Engineering for all other torque tables.
Compressed Sheet and GYLON® Gaskets
150# Flanges
Compressed Sheet and GYLON® gaskets
300# Flanges
GRAPH-LOCK® Gaskets
300# Flanges
GRAPH-LOCK® Gaskets
150# Flanges