5 Maintenance
Maintain the valve regularly.
Study the instructions carefully and pay special attention to the warnings!
Always keep spare rubber seals and lip seals in stock.
Product rubber seals
Valve lip seal
Actuator rubber seals
Preventive maintenance
Replace after
12 months depending
on working conditions
Replace when replacing the
rubber seals
Replace after
5 years
Maintenance after
leakage (leakage
normally starts slowly)
Replace at the
end of the day
Replace when replacing the
rubber seals
Replace when
possible
Planned
maintenance
-
Regular inspection
for leakage and
smooth operation
-
Keep a record of
the actuator
-
Use the statistics for
planning of inspections
Replace after leakage
-
Regular inspection
for leakage and
smooth operation
-
Keep a record of
the actuator
-
Use the statistics for
planning of inspections
Replace after leakage
Lubrication
(USDA H1
approved oil/grease)
Before fitting
Silicone oil or
silicone grease
Before fitting
Silicone oil or silicone grease
Before fitting
Oil or grease
Pre-use check:
Air (NO/AA)
Open/close!
Air (NC/AA)
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!
TD425-046_1
Ordering spare parts
Recommended spare: Service kits (see chapter 6 Technical data).
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