Owner's manual

610.44521.40.000 12 / 52 © Gardner Denver Deutschland GmbH
Technical data
Tightening torques for screw connections
The following values apply if no other data are
given.
With non−electrical connections, property classes
of 8.8 and 8 or higher as per DIN ISO 898 (DIN
EN 20898 / DIN ISO 898) are assumed.
Tightening torques for
non−electrical connections
Thread [Nm] [lb-in]
M4 2,7 … 3,3 23,9 … 29,2
M5 3,6 … 4,4 31,9 … 38,9
M6 7,2 … 8,8 63,7 … 77,9
M8 21,6 … 26,4 191 … 234
M10 37,8 … 46,2 335 … 409
M12 63,0 … 77,0 558 … 681
Tightening torques for cable
and conduit glands Metal
Thread [Nm] [lb-in]
M12x1,5 4,0 … 6,0 35,4 … 53,1
M16x1,5 5,0 … 7,5 44,3 … 66,4
M20x1,5 6,0 … 9,0 53,1 … 79,7
M32x1,5
M40x1,5
8,0 … 12,0 70,8 … 106
Tightening torques for cable
and conduit glands Plastic
Thread [Nm] [lb-in]
M12x1,5 2,0 … 3,5 17,7 … 31,0
M16x1,5 3,0 … 4,0 26,6 … 35,4
M20x1,5 4,0 … 5,0 35,4 … 44,3
M32x1,5
M40x1,5
5,0 … 7,0 44,3 … 62,0
2.2 Electrical data
See rating plate.