5 Maintenance
The valve is designed so that internal leakages do not result in the products becoming mixed.
Internal leakage in the valve is externally visible.
Study the instructions carefully.
Always keep spare rubber seals and guide rings in stock. Check the valve for smooth operation after service.
5.1
General maintenance
Recommended spare parts: service kits (see 7 Parts list and service kits)
Order service kits from the service kits section, see 7 Parts list and service kits
Ordering spare parts: contact the sales department.
Valve rubber seals
Valve plug seals
Valve guide rings
Preventive maintenance
Replace after 12 months(*)
Replace after 12 months (*)
Replace when required
Maintenance after leakage
(leakage normally starts slowly)
Replace after production cycle
Replace after production
cycle
Replace when required
Planned maintenance
-
regular inspection for leakage
and smooth operation
-
Keep a record of the valve
-
Use the statestics for planning
of inspections
-
Regular inspection for
leakage and smooth
operation
-
Keep a record of the valve
-
Use the statistics for
planning of inspections
Lubrication
When assembling
Klüber Paraliq GTE 703 or similar
USDA H1 approved oil/grease
(**) (suitable for EPDM)
When assembling
Klüber Paraliq GTE 703 or
similar USDA H1 approved
oil/grease (**) (suitable for
EPDM)
None
Note!
Lubricate thread in valve plug parts with Klüber Paste UH1 84-201 or similar.
(*) Depending on working conditions! Please contact Alfa Laval.
(**) All product wetted seals.
Repairing of actuator
-
The actuator is maintenance-free, but repairable.
-
If repair is required, replacing all actuator rubber seals is recommended.
-
Lubricate seals with Klüberplex BE31
-
To avoid possible black remains on position number 1 and 29. Alfa Laval recommends Klüber Paraliq GTE 703 (white) for
these two positions.
Pre-use check
1. Supply compressed air to AC1, AC2 and AC3 one by one
2. Operate the valve several times to ensure that it operates smoothly.
Pay special attention to the warnings!
2319-0181
AC1
AC2
AC3
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