| Garlock Bolt Torque Values for .062" thick Ring Gaskets - ANSI B16.47 Class 300# Series B Flanges | |||||||||||||
| Nominal | Raised Face | Raised Face | Gasket | Number | Size of | Bolt Torque | Comp Force | Max. Gasket | Internal | Min. Rec'd | Min. Rec'd | Max. Rec'd/Avail. | Preferred |
| Pipe Size | Contact I.D. | Contact O.D. | Contact Area | Of | Bolts | at 60ksi Stress | Per Bolt @ 60ksi | Stress Avail. | Pressure | Gasket Stress | Torque/Bolt | Gasket Stress | Torque/Bolt |
| (in) | (in) | (in) | (sq.in.) | Bolts | (in) | (ft.lbs.) | (lbs.) | (psi) | (psig) | (psi) | (ft.lbs.) | (psi) | (ft.lbs.) |
| 26.00 | 26.00 | 29.00 | 129.59 | 32 | 1.25 | 1000 | 55740 | 13764 | <750 | 6673 | 485 | 13764 | 1000 |
| 28.00 | 28.00 | 31.00 | 139.02 | 36 | 1.25 | 1000 | 55740 | 14435 | <750 | 6922 | 480 | 14435 | 1000 |
| 30.00 | 30.00 | 33.25 | 161.45 | 36 | 1.38 | 1360 | 69300 | 15453 | <750 | 6884 | 606 | 15000 | 1320 |
| 32.00 | 32.00 | 35.50 | 185.55 | 32 | 1.50 | 1600 | 84300 | 14538 | <750 | 6851 | 754 | 14538 | 1600 |
| 34.00 | 34.00 | 37.50 | 196.55 | 36 | 1.50 | 1600 | 84300 | 15441 | <750 | 7065 | 732 | 15000 | 1554 |
| 36.00 | 36.00 | 39.75 | 223.10 | 32 | 1.62 | 2200 | 100800 | 14458 | <750 | 7022 | 1068 | 14458 | 2200 |
| 38.00 | 38.00 | 41.75 | 234.88 | 36 | 1.62 | 2200 | 100800 | 15449 | <750 | 7221 | 1028 | 15000 | 2136 |
| 40.00 | 40.00 | 43.88 | 255.61 | 40 | 1.62 | 2200 | 100800 | 15774 | <750 | 7287 | 1016 | 15000 | 2092 |
| 42.00 | 42.00 | 46.00 | 276.46 | 36 | 1.75 | 3000 | 118800 | 15470 | <750 | 7359 | 1427 | 15000 | 2909 |
| 44.00 | 44.00 | 48.00 | 289.03 | 40 | 1.75 | 3000 | 118800 | 16441 | <750 | 7546 | 1377 | 15000 | 2737 |
| 46.00 | 46.00 | 50.00 | 301.59 | 36 | 1.88 | 4000 | 138240 | 16501 | <750 | 7733 | 1874 | 15000 | 3636 |
| 48.00 | 48.00 | 52.25 | 334.63 | 40 | 1.88 | 4000 | 138240 | 16525 | <750 | 7656 | 1853 | 15000 | 3631 |
| 50.00 | 50.00 | 54.25 | 347.98 | 44 | 1.88 | 4000 | 138240 | 17480 | <750 | 7832 | 1792 | 15000 | 3433 |
| 52.00 | 52.00 | 56.25 | 361.33 | 48 | 1.88 | 4000 | 138240 | 18364 | <750 | 8008 | 1744 | 15000 | 3267 |
| 54.00 | 54.00 | 58.25 | 374.68 | 48 | 1.88 | 4000 | 138240 | 17710 | <750 | 8184 | 1849 | 15000 | 3388 |
| 56.00 | 56.00 | 60.25 | 388.04 | 36 | 2.25 | 6360 | 205380 | 19054 | <750 | 8361 | 2791 | 15000 | 5007 |
| 58.00 | 58.00 | 62.75 | 450.47 | 40 | 2.25 | 6360 | 205380 | 18237 | <750 | 7999 | 2790 | 15000 | 5231 |
| 60.00 | 60.00 | 65.00 | 490.87 | 40 | 2.25 | 6360 | 205380 | 16736 | <750 | 7920 | 3010 | 15000 | 5700 |
| Garlock Bolt Torque Values for .125" thick Ring Gaskets - ANSI B16.47 Class 300# Series B Flanges | |||||||||||||
| Nominal | Raised Face | Raised Face | Gasket | Number | Size of | Bolt Torque | Comp Force | Max. Gasket | Internal | Min. Rec'd | Min. Rec'd | Max. Rec'd/Avail. | Preferred |
| Pipe Size | Contact I.D. | Contact O.D. | Contact Area | Of | Bolts | at 60ksi Stress | Per Bolt @ 60ksi | Stress Avail. | Pressure | Gasket Stress | Torque/Bolt | Gasket Stress | Torque/Bolt |
| (in) | (in) | (in) | (sq.in.) | Bolts | (in) | (ft.lbs.) | (lbs.) | (psi) | (psig) | (psi) | (ft.lbs.) | (psi) | (ft.lbs.) |
| 26.00 | 26.00 | 29.00 | 129.59 | 32 | 1.25 | 1000 | 55740 | 13764 | <750 | 7873 | 572 | 13764 | 1000 |
| 28.00 | 28.00 | 31.00 | 139.02 | 36 | 1.25 | 1000 | 55740 | 14435 | <750 | 8122 | 563 | 14435 | 1000 |
| 30.00 | 30.00 | 33.25 | 161.45 | 36 | 1.38 | 1360 | 69300 | 15453 | <750 | 8084 | 711 | 15000 | 1320 |
| 32.00 | 32.00 | 35.50 | 185.55 | 32 | 1.50 | 1600 | 84300 | 14538 | <750 | 8051 | 886 | 14538 | 1600 |
| 34.00 | 34.00 | 37.50 | 196.55 | 36 | 1.50 | 1600 | 84300 | 15441 | <750 | 8265 | 856 | 15000 | 1554 |
| 36.00 | 36.00 | 39.75 | 223.10 | 32 | 1.62 | 2200 | 100800 | 14458 | <750 | 8222 | 1251 | 14458 | 2200 |
| 38.00 | 38.00 | 41.75 | 234.88 | 36 | 1.62 | 2200 | 100800 | 15449 | <750 | 8421 | 1199 | 15000 | 2136 |
| 40.00 | 40.00 | 43.88 | 255.61 | 40 | 1.62 | 2200 | 100800 | 15774 | <750 | 8487 | 1184 | 15000 | 2092 |
| 42.00 | 42.00 | 46.00 | 276.46 | 36 | 1.75 | 3000 | 118800 | 15470 | <750 | 8559 | 1660 | 15000 | 2909 |
| 44.00 | 44.00 | 48.00 | 289.03 | 40 | 1.75 | 3000 | 118800 | 16441 | <750 | 8746 | 1596 | 15000 | 2737 |
| 46.00 | 46.00 | 50.00 | 301.59 | 36 | 1.88 | 4000 | 138240 | 16501 | <750 | 8933 | 2165 | 15000 | 3636 |
| 48.00 | 48.00 | 52.25 | 334.63 | 40 | 1.88 | 4000 | 138240 | 16525 | <750 | 8856 | 2144 | 15000 | 3631 |
| 50.00 | 50.00 | 54.25 | 347.98 | 44 | 1.88 | 4000 | 138240 | 17480 | <750 | 9032 | 2067 | 15000 | 3433 |
| 52.00 | 52.00 | 56.25 | 361.33 | 48 | 1.88 | 4000 | 138240 | 18364 | <750 | 9208 | 2006 | 15000 | 3267 |
| 54.00 | 54.00 | 58.25 | 374.68 | 48 | 1.88 | 4000 | 138240 | 17710 | <750 | 9384 | 2120 | 15000 | 3388 |
| 56.00 | 56.00 | 60.25 | 388.04 | 36 | 2.25 | 6360 | 205380 | 19054 | <750 | 9561 | 3191 | 15000 | 5007 |
| 58.00 | 58.00 | 62.75 | 450.47 | 40 | 2.25 | 6360 | 205380 | 18237 | <750 | 9199 | 3208 | 15000 | 5231 |
| 60.00 | 60.00 | 65.00 | 490.87 | 40 | 2.25 | 6360 | 205380 | 16736 | <750 | 9120 | 3466 | 15000 | 5700 |