| Garlock Bolt Torque Values for .031" thick Ring Gaskets - ANSI B16.5 Class 600# 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.) |
| 0.5 | 0.84 | 1.38 | 0.94 | 4 | 0.50 | 60 | 7560 | 32134 | <1500 | 6200 | 12 | 15000 | 28 |
| 0.75 | 1.06 | 1.69 | 1.36 | 4 | 0.63 | 120 | 12120 | 35647 | <1500 | 6200 | 21 | 15000 | 50 |
| 1 | 1.31 | 2.00 | 1.79 | 4 | 0.63 | 120 | 12120 | 27041 | <1500 | 6400 | 28 | 15000 | 67 |
| 1.25 | 1.66 | 2.50 | 2.74 | 4 | 0.63 | 120 | 12120 | 17673 | <1500 | 6400 | 43 | 15000 | 102 |
| 1.5 | 1.91 | 2.88 | 3.65 | 4 | 0.75 | 200 | 18120 | 19872 | <1500 | 6400 | 64 | 15000 | 151 |
| 2 | 2.38 | 3.62 | 5.84 | 8 | 0.63 | 120 | 12120 | 16602 | <1500 | 6400 | 46 | 15000 | 108 |
| 2.5 | 2.88 | 4.12 | 6.81 | 8 | 0.75 | 200 | 18120 | 21274 | <1500 | 6400 | 60 | 15000 | 141 |
| 3 | 3.50 | 5.00 | 10.01 | 8 | 0.75 | 200 | 18120 | 14483 | <1500 | 6400 | 88 | 14483 | 200 |
| 3.5 | 4.00 | 5.50 | 11.19 | 8 | 0.88 | 320 | 25140 | 17979 | <1500 | 6400 | 114 | 15000 | 267 |
| 4 | 4.50 | 6.19 | 14.18 | 8 | 0.88 | 320 | 25140 | 14181 | <1500 | 6400 | 144 | 14181 | 320 |
| 5 | 5.56 | 7.31 | 17.68 | 8 | 1.00 | 490 | 33060 | 14959 | <1500 | 6400 | 210 | 14959 | 490 |
| 6 | 6.62 | 8.50 | 22.31 | 12 | 1.00 | 490 | 33060 | 17779 | <1500 | 6400 | 176 | 15000 | 413 |
| 8 | 8.62 | 10.62 | 30.21 | 12 | 1.13 | 710 | 43680 | 17352 | <1500 | 6400 | 262 | 15000 | 614 |
| 10 | 10.75 | 12.75 | 36.90 | 16 | 1.25 | 1000 | 55740 | 24172 | <1500 | 6400 | 265 | 15000 | 621 |
| 12 | 12.75 | 15.00 | 49.01 | 20 | 1.25 | 1000 | 55740 | 22745 | <1500 | 6400 | 281 | 15000 | 659 |
| 14 | 14.00 | 16.25 | 53.43 | 20 | 1.38 | 1360 | 69300 | 25941 | <1500 | 6600 | 346 | 15000 | 786 |
| 16 | 16.00 | 18.50 | 67.71 | 20 | 1.50 | 1600 | 84300 | 24902 | <1500 | 6600 | 424 | 15000 | 964 |
| 18 | 18.00 | 21.00 | 91.85 | 20 | 1.63 | 2200 | 100800 | 21950 | <1500 | 6400 | 641 | 15000 | 1503 |
| 20 | 20.00 | 23.00 | 101.27 | 24 | 1.63 | 2200 | 100800 | 23890 | <1500 | 6400 | 589 | 15000 | 1381 |
| 24 | 24.00 | 27.25 | 130.75 | 24 | 1.88 | 4000 | 138240 | 25375 | <1500 | 6400 | 1009 | 15000 | 2365 |
| Garlock Bolt Torque Values for .062" thick Ring Gaskets - ANSI B16.5 Class 600# 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.) |
| 0.5 | 0.84 | 1.38 | 0.94 | 4 | 0.50 | 60 | 7560 | 32134 | <1500 | 7200 | 13 | 15000 | 28 |
| 0.75 | 1.06 | 1.69 | 1.36 | 4 | 0.63 | 120 | 12120 | 35647 | <1500 | 7200 | 24 | 15000 | 50 |
| 1 | 1.31 | 2.00 | 1.79 | 4 | 0.63 | 120 | 12120 | 27041 | <1500 | 7400 | 33 | 15000 | 67 |
| 1.25 | 1.66 | 2.50 | 2.74 | 4 | 0.63 | 120 | 12120 | 17673 | <1500 | 7400 | 50 | 15000 | 102 |
| 1.5 | 1.91 | 2.88 | 3.65 | 4 | 0.75 | 200 | 18120 | 19872 | <1500 | 7400 | 74 | 15000 | 151 |
| 2 | 2.38 | 3.62 | 5.84 | 8 | 0.63 | 120 | 12120 | 16602 | <1500 | 7400 | 53 | 15000 | 108 |
| 2.5 | 2.88 | 4.12 | 6.81 | 8 | 0.75 | 200 | 18120 | 21274 | <1500 | 7400 | 70 | 15000 | 141 |
| 3 | 3.50 | 5.00 | 10.01 | 8 | 0.75 | 200 | 18120 | 14483 | <1500 | 7400 | 102 | 14483 | 200 |
| 3.5 | 4.00 | 5.50 | 11.19 | 8 | 0.88 | 320 | 25140 | 17979 | <1500 | 7400 | 132 | 15000 | 267 |
| 4 | 4.50 | 6.19 | 14.18 | 8 | 0.88 | 320 | 25140 | 14181 | <1500 | 7400 | 167 | 14181 | 320 |
| 5 | 5.56 | 7.31 | 17.68 | 8 | 1.00 | 490 | 33060 | 14959 | <1500 | 7400 | 242 | 14959 | 490 |
| 6 | 6.62 | 8.50 | 22.31 | 12 | 1.00 | 490 | 33060 | 17779 | <1500 | 7400 | 204 | 15000 | 413 |
| 8 | 8.62 | 10.62 | 30.21 | 12 | 1.13 | 710 | 43680 | 17352 | <1500 | 7400 | 303 | 15000 | 614 |
| 10 | 10.75 | 12.75 | 36.90 | 16 | 1.25 | 1000 | 55740 | 24172 | <1500 | 7400 | 306 | 15000 | 621 |
| 12 | 12.75 | 15.00 | 49.01 | 20 | 1.25 | 1000 | 55740 | 22745 | <1500 | 7400 | 325 | 15000 | 659 |
| 14 | 14.00 | 16.25 | 53.43 | 20 | 1.38 | 1360 | 69300 | 25941 | <1500 | 7600 | 398 | 15000 | 786 |
| 16 | 16.00 | 18.50 | 67.71 | 20 | 1.50 | 1600 | 84300 | 24902 | <1500 | 7600 | 488 | 15000 | 964 |
| 18 | 18.00 | 21.00 | 91.85 | 20 | 1.63 | 2200 | 100800 | 21950 | <1500 | 7400 | 742 | 15000 | 1503 |
| 20 | 20.00 | 23.00 | 101.27 | 24 | 1.63 | 2200 | 100800 | 23890 | <1500 | 7400 | 681 | 15000 | 1381 |
| 24 | 24.00 | 27.25 | 130.75 | 24 | 1.88 | 4000 | 138240 | 25375 | <1500 | 7400 | 1167 | 15000 | 2365 |
| Garlock Bolt Torque Values for .125" thick Ring Gaskets - ANSI B16.5 Class 600# 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.) |
| 0.5 | 0.84 | 1.38 | 0.94 | 4 | 0.50 | 60 | 7560 | 32134 | <1500 | 8200 | 15 | 15000 | 28 |
| 0.75 | 1.06 | 1.69 | 1.36 | 4 | 0.63 | 120 | 12120 | 35647 | <1500 | 8200 | 28 | 15000 | 50 |
| 1 | 1.31 | 2.00 | 1.79 | 4 | 0.63 | 120 | 12120 | 27041 | <1500 | 8400 | 37 | 15000 | 67 |
| 1.25 | 1.66 | 2.50 | 2.74 | 4 | 0.63 | 120 | 12120 | 17673 | <1500 | 8400 | 57 | 15000 | 102 |
| 1.5 | 1.91 | 2.88 | 3.65 | 4 | 0.75 | 200 | 18120 | 19872 | <1500 | 8400 | 85 | 15000 | 151 |
| 2 | 2.38 | 3.62 | 5.84 | 8 | 0.63 | 120 | 12120 | 16602 | <1500 | 8400 | 61 | 15000 | 108 |
| 2.5 | 2.88 | 4.12 | 6.81 | 8 | 0.75 | 200 | 18120 | 21274 | <1500 | 8400 | 79 | 15000 | 141 |
| 3 | 3.50 | 5.00 | 10.01 | 8 | 0.75 | 200 | 18120 | 14483 | <1500 | 8400 | 116 | 14483 | 200 |
| 3.5 | 4.00 | 5.50 | 11.19 | 8 | 0.88 | 320 | 25140 | 17979 | <1500 | 8400 | 150 | 15000 | 267 |
| 4 | 4.50 | 6.19 | 14.18 | 8 | 0.88 | ||||||||