HEROSE 08411, Operating Instructions Manual, Page: 28 / 80

Operating instructions
22
Phone +49 4531 509-0
Nominal
diameter
RB-
bonnet/
RB-body
[Nm] SS-
bonnet/
SS-body
[Nm] SS-
bonnet/
SS-body
[Nm]
Cheesehead
screw
DN 10 19 19 25 30 M8
DN 15 19 19 25 30 M8
DN 20 37 44 50 M10
DN 25 37 44 50 M10
DN 32 41 45 50 M10
DN 40 51 60 70 M12
DN 50 49 50 50 M10
DN 65 - 80 90 M12
DN 80 - 90 110 M16
DN 100 - 110 130 M16
DN 150 - 130 130 M16
DN 200 - - 130 M24
 Tightening torque for bonnet / body
RB-bonnet
≙
Red brass bonnet
RB-body ≙ Red brass body
SS-bonnet
≙
Stainless steel bonnet
SS-body
≙
Stainless steel body
 Check the leak-tightness
6 Operation

Check the following points prior to start-up:
 All mounting and installation work are completed.
 The safety guards are in place.
 Compare the material, pressure, temperature and installation position with the layout plan for
the pipework system.
 Dirt and residues have been removed from the pipeline and valve in order to prevent leaks.
7 Maintenance and service
7.1 Safety during cleaning
 Take note of the specifications in the safety data sheet and the general occupational health and
safety rules if degreasers are used for process-related reasons for the cleaning of bearing parts,
unions and other precision parts.
7.2 Maintenance
The maintenance intervals must be defined by the user according to the operating conditions.
The recommendations for the functional checking of the valves are to be taken from section 7.2.1
“Inspection and maintenance intervals” in these operating instructions.