00 Index and foreword SEN00172-03
114E-3 Series
33
2. Table of tightening torques for split flange bolts
a Unless there are special instructions, tighten split flange bolts to the torque below.
3. Table of tightening torques for O-ring boss piping joints
a Unless there are special instructions, tighten O-ring boss piping joints to the torque below.
4. Table of tightening torques for O-ring boss plugs
a Unless there are special instructions, tighten O-ring boss plugs to the torque below.
Thread diameter of bolt Width across flats Tightening torque
mm mm Nm kgm
10 14 59 – 74 6.0 – 7.5
12 17 98 – 123 10.0 – 12.5
16 22 235 – 285 23.5 – 29.5
Nominal No.
Thread diameter Width across flats Tightening torque Nm {kgm}
mm mm Range Target
02 14
Varies depending
on type of connec-
tor.
35 – 63 { 3.5 – 6.5} 44 { 4.5}
03,04 20 84 – 132 { 8.5 – 13.5} 103 {10.5}
05,06 24 128 – 186 {13.0 – 19.0} 157 {16.0}
10,12 33 363 – 480 {37.0 – 49.0} 422 {43.0}
14 42 746 – 1,010 {76.0 – 103} 883 {90.0}
Nominal
No.
Thread diameter Width across flats Tightening torque Nm {kgm}
mm mm Range Target
08 8 14 5.88 – 8.82 {0.6 – 0.9} 7.35 {0.75}
10 10 17 9.81 – 12.74 {1.0 – 1.3} 11.27 {1.15}
12 12 19 14.7 – 19.6 {1.5 – 2.0} 17.64 {1.8}
14 14 22 19.6 – 24.5 {2.0 – 2.5} 22.54 {2.3}
16 16 24 24.5 – 34.3 {2.5 – 3.5} 29.4 {3.0}
18 18 27 34.3 – 44.1 {3.5 – 4.5} 39.2 {4.0}
20 20 30 44.1 – 53.9 {4.5 – 5.5} 49.0 {5.0}
24 24 32 58.8 – 78.4 {6.0 – 8.0} 68.6 {7.0}
30 30 32 93.1 – 122.5 { 9.5 – 12.5} 107.8 {11.0}
33 33 – 107.8 – 147.0 {11.0 – 15.0} 127.4 {13.0}
36 36 36 127.4 – 176.4 {13.0 – 18.0} 151.9 {15.5}
42 42 – 181.3 – 240.1 {18.5 – 24.5} 210.7 {21.5}
52 52 – 274.4 – 367.5 {28.0 – 37.5} 323.4 {33.0}
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