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11
Decommissioning
11.1
Special personnel qualification
The decommissioning personnel must be suitably qualified for this work. See also
Section 2.6, Page 15.
11.2
Safety instructions
Warning!
Pressure shock!
► Always close shut-off devices (gates, valves) slowly.
► A pressure shock is a sudden increase in pressure in the system. This
pressure increase may be triggered by quickly shutting off the flow in the
pressure pipe, in addition to other causes. If a pressure shock occurs, the
max. permissible pump pressure is briefly exceeded by a multitude.
Caution!
Sticking of the pump.
► Clean the pump suitably after decommissioning. See "Cleaning" section.
11.3
Temporary decommissioning
Warning!
Pressure shock!
► Always close shut-off devices (gates, valves) slowly.
► A pressure shock is a sudden increase in pressure in the system. This
pressure increase may be triggered by quickly shutting off the flow in the
pressure pipe, in addition to other causes. If a pressure shock occurs, the
max. permissible pump pressure is briefly exceeded by a multitude.
Perform the following steps:
1.
Close the pressure side shut-off valve.
2.
Switch off the pump.
3.
Close the suction side shut-off valve.
4.
Switch off the flushing.
5.
Make sure that the pump is depressurised.
6.
Depressurise the sealing system.
→ The pump has been temporarily decommissioned.
11.4
Disposal
Discard the pump or parts thereof in an environment-friendly manner: Use the
service of public or private disposal companies. If this is not possible, contact the
next GEA Hilge company or service centre.
Decommissioning
Special personnel qualification
BA.10A.ADY.001.GB_1
20.07.2018
93