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4.
Ensure that the pipe system provided by the customer is cleaned.
5.
For double mechanical seal in back-to-back arrangement, connect the sealing
fluid. Start flushing to prevent dry running.
6.
Open stop valves in the system.
7.
Fill the pump along with the system.
8.
Vent the pump along with the system.
9.
For double mechanical seal in tandem arrangement, connect the flushing
fluid. Start flushing to prevent dry running.
10.
Fully open the suction-side stop valve.
11.
Close the pressure side stop valve.
12.
Switch on the pump.
13.
Slowly open the pressure side stop valve.
→ This completes the commissioning.
If there is no increase of delivery head after commissioning:
1.
Switch off the pump.
2.
Again vent the pump (system).
3.
Repeat steps 7 to 10, and follow Section 10.3, Page 52.
7.3.4
Functional testing of the mechanical seal
Perform the following steps:
1.
Inspect the pump and check whether liquid exits at the mechanical seal.
An intact mechanical seal operates virtually without any leakage.
If pumped fluid or flushing fluid exits:
1.
Switch off the pump.
2.
Replace the mechanical seal.
Follow the installation instructions Section 10.2, Page 51.
Commissioning
BA.10A.ADY.001.GB_1
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Содержание Hilge CONTRA I ADAPTA
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