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12
Repair
12.1
Safety information, repair
Before commencing all work
12.2
Cleaning valves
Repairing ball valves
ATEX pumps in areas at risk from explosion
Carry out a general check to ensure that the system is functioning
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properly, particularly the power end and the bearings, by regular moni‐
toring for leaks, noises, temperatures, smell etc.
WARNING!
Danger from hazardous substances!
Possible consequence: Fatal or very serious injuries.
Please ensure when handling hazardous substances
that you have read the latest safety data sheets provided
by the manufacture of the hazardous substance. The
actions required are described in the safety data sheet.
Check the safety data sheet regularly and replace, if
necessary, as the hazard potential of a substance can
be re-evaluated at any time based on new findings.
The system operator is responsible for ensuring that
these safety data sheets are available and that they are
kept up to date, as well as for producing an associated
hazard assessment for the workstations affected.
1.
Disconnect the pump from the power supply.
2.
Depressurise the pump.
3.
Use a suitable flushing medium to flush the pump, referring to the
material safety data sheet for the feed chemical.
Third-party spare parts for the pumps can lead to problems when
pumping.
Only use original spare parts.
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Use the correct spare parts kits. If in doubt, refer to the exploded
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views and order information in the appendix or on our website
www.prominent.com.
Only with "Physiologically safe" design:
WARNING!
Product can be dangerously contaminated
Only use the spare parts from the "Physiologically safe"
spare parts kits.
Feed chemical may escape from the liquid end, for example, if ball valves
are not repaired correctly.
Only use new components which fit your valve, both in terms of shape
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and chemical resistance!
Note the flow direction of the pressure and suction connectors when
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fitting the valve.
Repair
47
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