ABB IRB 140 type C Product Manual page 181

The table below specifies the recommended standard tightening torque for water and air
connectors when one or both connectors are made of brass.
Dimension
1/8
1/4
3/8
1/2
3/4
3HAC027400-001 Revision: C
Tightening torque
Nm - Nominal
12
15
20
40
70
7 Reference information
Tightening torque
Nm - Min.
8
10
15
30
55
7.3. Screw joints
Continued
Tightening torque
Nm - Max.
15
20
25
50
90
179