7 Reference information
7.4. Screw joints
3HAC026876-001 Revision: C392
© Copyright 2006-2008 ABB. All rights reserved.
The table below specifies the recommended standard tightening torque for water and air
connectors when one or both connectors are made of brass.
M16 235 280
M24 790 950
Dimension
Tightening torque
Nm - Nominal
Tightening torque
Nm - Min.
Tightening torque
Nm - Max.
1/8 12 8 15
1/4 15 10 20
3/8 20 15 25
1/2 40 30 50
3/4 70 55 90
Dimension
Tightening torque (Nm)
Class 10.9, Molycote-lubricated
Tightening torque (Nm)
Class 12.9, Molycote-lubricated
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