Appendix; Tightening Torques - Wilo Rexa CUT GI Installation And Operating Instructions Manual

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13

Appendix

13.1

Tightening torques

Rust-free screws A2/A4
Threaded Tightening torque
Nm
M5 5.5
M6 7.5
M8 18.5
M10 37
M12 57
M16 135
M20 230
M24 285
M27 415
M30 565
Geomet-coated screws (strength 10.9) with Nord-Lock
washer
Threaded Tightening torque
Nm
M5 9.2
M6 15
M8 36.8
M10 73.6
M12 126.5
M16 155
M20 265
28
kp m ft·lb
0.56 4
0.76 5.5
1.89 13.5
3.77 27.5
5.81 42
13.77 100
23.45 170
29.06 210
42.31 306
57.61 417
kp m ft·lb
0.94 6.8
1.53 11
3.75 27.1
7.51 54.3
12.90 93.3
15.81 114.3
27.02 195.5
Appendix
WILO SE 2019-02