Martin Tornado - Page 26

© Martin Engineering GmbH 24 M3727UK-09/15
Installation
4. Tighten the flange-screw connections evenly, see values in
Tab.2.
Screw size
Standard initial tensioning
force
Tightening
torque
Initial
tensioning force
[kN] [Nm] [kN]
M4 5 3 4
M6 12 10 9
M8 18 25 16
M10 29 49 26
M12 35 86 38
M16 70 215 72
M20 110 420 113
M22 130 574 142
M24 150 726 163
M27 200 1067 215
M30 245 1445 261
M36 355 2528 382
Tab. 2: Installation tightening torques - Strength class 8.8