5 Maintenance
Service the valve regularly.
Study the instructions carefully and pay special attention to the warnings!
Always use Alfa Laval genuine spare parts. Always keep spare rubber seals, lip seals and diaphagms in stock.
Check the valve for smooth operation after servicing.
Step 4
Mount spindle.
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Step 5
Tighten spindle and plug with:
-
51 mm (2”) to 76.1 mm (3”) with torque = 33 Nm
-
25 mm (1”) with torque = 17 Nm
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Step 6
We strongly recommend to use some water to “lubricate” on the
bonnets round edge, before mounting the diaphragm. This makes
it much easier to mount diaphragm correctly.
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