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Operating instructions
Tightening torques
Nomi-
nal
size
[G; Rc;
Type
NPT]
1/2
3/4
06510
1
06511
1.1/4
1.1/2
06512
06520
1/2
06530
06513
06521
3/4
06531
Nominal size
[G; Rc; NPT]
1/4
1/2
6
Operation
6.1
Prior to start-up
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 diverter valve in order to
prevent leaks.
Tightening torque
Tighten-
Tightening
ing
torque NPT
torque
G
min.
max.
50 Nm
30 Nm
50 Nm
50 Nm
40 Nm
60 Nm
50 Nm
50 Nm
80 Nm
55 Nm
50 Nm
100 Nm
60 Nm
70 Nm
100 Nm
50 Nm
30 Nm
50 Nm
50 Nm
40 Nm
60 Nm
Screw plug Test thread
Tightening torque
20 Nm
50 Nm
herose.com
Tightening
torque SV with
double nipple
Tightening
and clamping
torque SV with
sleeve in
copper washer
diverter valve
in diverter valve
min.
max.
min.
40 Nm
60 Nm
40 Nm
40 Nm
70 Nm
40 Nm
50 Nm
80 Nm
50 Nm
50 Nm
100 Nm
50 Nm
60 Nm
100 Nm
60 Nm
30 Nm
50 Nm
40 Nm
40 Nm
60 Nm
40 Nm
Number of layers of PTFE tape
NPT thread
Rc thread
2
Number of layers
of PTFE tape
NPT
max.
thread
Length
60 Nm
3
20–25 cm
70 Nm
5
40–45 cm
80 Nm
6
55–60 cm
100 Nm
6
80–85 cm
100 Nm
6
90–95 cm
60 Nm
3
20–25 cm
70 Nm
5
40–45 cm
Length
2
10–15 cm
19
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