Tightening Torques; Operation; Prior To Start-Up; Maintenance And Service - HEROSE 7111 Notice D'utilisation

Tightening torques

7111
Screw plug
test thread
6

Operation

6.1

Prior to start-up

 Check the f ollowing points prior to start-up:
 All mounting and installation work are completed.
 The saf ety guards are in place.
 Compare the material, pressure, temperature and installation position with the lay out plan for
the pipework sy stem.
 Remov e dirt and residues f rom the pipeline and v alve in order to prev ent 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
saf ety 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 interv als must be defined by the user according to the operating conditions.
The recommendations f or the functional checking of the valves are to be taken from section 7.2.1
"Inspection and maintenance intervals" in these operating instructions.
18
Operating instructions
Tightening torque (Nm)
1/2 50 30 50
3/4 50 40 60
1 50 50 80
1.1/4 55 50 100
1.1/2 60 70 100
1/4 20 20 20
Phone +49 4531 509-0
40 60 40 60
40 70 40 70
50 80 50 80
50 100 50 100
60 100 60 100
20 20 20 20
Number of
layers of PTFE
tape
20-
3
25
40-
5
45
55-
6
60
80-
6
85
90-
6
95
10-
20 2 2
15