5 Maintenance
Maintain the valve/actuator regularly. Study the instructions carefully and pay special attention to the warnings! Always use
Alfa Laval genuine spare parts, and keep spare rubber seals and guide rings in stock. The valve is designed so that internal
leakages do not result in the products becoming mixed. Internal leakage in the valve is externally visible. Check the valve
for smooth operation after service.
5.1 General maintenance
Step 1
Always read the technical data carefully.
See section 6.1 Technical data
Always fit the seals correctly (risk of mixing).
Always release compressed air after use.
Always remove the CIP connections, if supplied,
before service.
NOTE
All scrap must be stored/discharged in accordance
with current rules/directives.
Step 2
Never service the valve when it is hot.
Never service the valve with valve/actuator under pressure.
Atmospheric pressure
required!
Burning danger!
Step 3
Never stick your fingers through the valve ports if the actuator is
supplied with compressed air.
Cutting danger!
Air
TD 449-325
23
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