Standard Tightening Torques - ABB GWT C9 Product Manual

7.4.2 Standard tightening torques

Screws
Screw thread size
Tightening torque
CLASS 8.8
Tightening torque
CLASS 10.9
Tightening torque
CLASS 12.9
Water couplings/fittings
QS fittings
G-thread dimension
G1/8
G1/4
G3/8
G1/2
R-thread
All R-threads are coated with a sealing material. This coating replaces the conventional
sealing ring. Simply screw in the R-thread by hand and tighten it with 1 or 2 turns with a
spanner.
NPQH fittings
G-thread dimension
G1/8
G1/4
G3/8
G1/2
Product manual - GWT C9
3HAA010198-001 Revision: A
M5 M6
5.5 Nm 9.5 Nm
8.1 Nm 14 Nm
9.5 Nm 16.4 Nm
© Copyright 2022 ABB. All rights reserved.
7 Reference information
7.4.2 Standard tightening torques
M8 M10
23 Nm 46 Nm
34 Nm 67 Nm
40 Nm 79 Nm
Tightening torque [Nm] - Nominal
7 Nm
9 Nm
15.5 Nm
26 Nm
Tightening torque [Nm] - Nominal
6 Nm
7.5 Nm
9 Nm
9 Nm
M12
79 Nm
116 Nm
136 Nm
119