Maintenance Of Valves - Sera ABP - 030 Notice De Mise En Service

Air driven diaphragm pump
Pompe pneumatique à membrane
Operating instructions
Notice de mise en service
9.3

Maintenance of valves

Procedure for cleaning the valves and/or replacing valve balls
and valve seats:
Properly shut down the air driven diaphragm pump.
Ensure that the pump and its connection lines are
pressureless, and release the pressure if needed.
Observing the corresponding safety and protection measures,
disassemble the suction and pressure connections on the
pump.
Remove and clean the valve balls and valve seats.
Inspect balls and seats for their condition and if
necessary replace them with exact replacement parts.
TA 312 Rev. 21 en 08/2018
CAUTION !
Ensure that there are no deposits inside the pump, and
clean these out if necessary.
Check the condition of the seals and – if necessary – replace
them with exact replacement parts.
After cleaning/replacing the valves/seals, reinstall the pump in
reverse order.
The connections are made as described in the preceding
sections.
The air driven diaphragm pump is now ready to use again.
Subject to technical modifications!
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