Checking Tightening Torque Prior To Commissioning - ProMinent Duodos 50 PPS Assembly And Operating Instructions Manual

Checking tightening torque prior to commissioning

5 Checking tightening torque prior to commissioning
16
Lasting tightness
Check that the threaded connectors have the cor‐
rect torque during commissioning.
We also recommend checking these threaded con‐
nectors for correct torque at least once a year
because the pump material yields and the tight‐
ening torque is then reduced.
1
3
5
Fig. 2: Check the tightening torque prior to commissioning, in the
sequence shown in Fig. 2 .
Check the tightening torque of screws 1 ... 6 before commis‐
sioning. Tighten all screws to 5 Nm (Duodos 50) or 15 Nm
(Duodos 100) in the sequence shown in Fig. 2.
6
4
2
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