Operating instructions
4 screws
Nominal
RG-bonnet/
diameter
RG-body
DN10
8 Nm
DN15
10 Nm
DN20
16 Nm
DN25
16 Nm
DN32
26 Nm
DN40
34 Nm
DN50
49 Nm
6
Operation
6.1
Prior to start-up
Check the following points prior to start-up:
All assembly and installation work has been completed.
If fitted: The blocking bushing was removed prior to start-up.
The safety guards are in place.
Compare the material, pressure, temperature and installation position with the layout plan for the
pipework system.
Contamination and residues have been removed from the pipeline and valve to prevent leaks.
24
6 screws
RG-bonnet/
SS-bonnet/
SS-body
SS-body
8 Nm
30 Nm
10 Nm
30 Nm
16 Nm
50 Nm
16 Nm
50 Nm
26 Nm
50 Nm
34 Nm
70 Nm
50 Nm
50 Nm
Phone +49 4531 509-0
Assembly sequence for the bolts
Cylinder
bolt
M8
Bonnet / body tightening torques
RG-bonnet ≙ gunmetal bonnet
M8
RG-body ≙ gunmetal body
SS-bonnet ≙ stainless steel bon-
M10
M10
SS-body ≙ stainless steel body
net
M10
M12
M10
Check the leak-tightness