Spirax Sarco 37D, Инструкция по установке и обслуживанию

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IM-P102-04 CTLS Issue 7
13
Pilot valve assembly
Main valve screen
Main valve seat and valve head
Main diaphragms
4.1 Routine maintenance
It is recommended that the valve is dismantled once every twelve to eighteen months for a complete overhaul
and ideally this should be carried out with the valve removed from the line.
The parts that may require replacing or refurbishing are listed below:
-
Main valve seat and valve head.
-
Main valve screen.
-
Pilot valve assembly.
-
Main diaphragms.
Safety warning:
The body gasket contains a thin stainless steel
support ring which may cause physical injury if
not handled and disposed of carefully.
4. Maintenance