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Maintain the valve regularly.
Study the instructions carefully.
Always keep spare rubber seals and lip seals stock.
Check the valve for smooth operation after service.
1. General maintenance
Valve Valve Actuator
rubber seals lip seal rubber seals
Preventive Replace after Replace when Replace after
maintenance 12 months replacing the 5 years
rubber seals
Maintenance after Replace at the Replace when Replace when
leakage (leakage end of the day replacing the possible
normally starts slowly) rubber seals
Planned - Regular inspection Replace when - Regular inspection
maintenance for leakage and replacing the for leakage and
smooth operation rubber seals smooth operation
- Keep a record of - Keep a record of
the valve the actuator
- Use the statistics for - Use the statistics for
planning of planning of
inspections inspections
Replace after Replace after
leakage leakage
Lubrication Before fitting Before fitting Before fitting
(USDA H1 Silicone oil or Silicone oil or Oil or grease
approved oil/grease) silicone grease silicone grease
Pre-use check:
1. Supply compressed air to the actuator.
2. Open and close the valve several times to
ensure that it operates smoothly.
Pay special attention to the warnings!
Air (NO/AA)
Open/
close!
Maintenance
Air (NC/AA)
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