FOREWORD STANDARD TIGHTENING TORQUE TABLE OF TIGHTENING TORQUES FOR SPLIT FLANGE BOLTS In the case of split flange bolts for which there is no special instruction, tighten to the torque given in the table below. TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PIPING JOINTS Unless there are special instructions, tighten the O-ring boss piping joints to the torque below. TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PLUGS Unless there are special instructions, tighten the O-ring boss plugs to the torque below. 00-13 Thread diameter Width across flat Tightening torque mm mm Nm kgm 10 12 16 14 17 22 59 – 74 98 – 123 235 – 285 6 – 7.5 10 – 12.5 23.5 – 29.5 Norminal No.
Thread diameter Width across flat Tightening torque (Nm {kgm}) mm mm Range Target 02 03, 04 05, 06 10, 12 14 14 20 24 33 42 Varies depending on type of connector. 35 – 63 {3.5 – 6.5} 84 – 132 {8.5 – 13.5} 128 – 186 {13.0 – 19.0} 363 – 480 {37.0 – 49.0} 746 – 1010 {76.0 – 103} 44 {4.5} 103 {10.5} 157 {16.0} 422 {43.0} 883 {90.0} Norminal No.
Thread diameter Width across flat Tightening torque (Nm {kgm}) mm mm Range Target 08 10 12 14 16 18 20 24 30 33 36 42 52 08 10 12 14 16 18 20 24 30 33 36 42 52 14 17 19 22 24 27 30 32 32 — 36 — — 5.88 – 8.82 {0.6 – 0.9} 9.8 – 12.74 {1.0 – 1.3} 14.7 – 19.6 {1.5 – 2.0} 19.6 – 24.5 {2.0 – 2.5} 24.5 – 34.3 {2.5 – 3.5} 34.3 – 44.1 {3.5 – 4.5} 44.1 – 53.9 {4.5 – 5.5} 58.8 – 78.4 {6.0 – 8.0} 93.1 – 122.5 {9.5 – 12.5} 107.8 – 147.0 {11.0 – 15.0} 127.4 – 176.4 {13.0 – 18.0} 181.3 – 240.1 {18.5 – 24.5} 274.4 – 367.5 {28.0 – 37.5} 7.35 {0.75} 11.27 {1.15} 17.64 {1.8} 22.54 {2.3} 29.4 {3.0} 39.2 {4.0} 49.0 {5.0} 68.6 {7.0} 107.8 {11.0} 124.4 {13.0} 151.9 {15.5} 210.7 {21.5} 323.4 {33.0}