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5 STORAGE AND HANDLING
Because cleanliness is essential to
thesatisfactory operation and tightness of
a Series 9000 pilot operated relief valve,
precautions should be taken to keep out all
foreign particles and materials. Valves should
be closed off properly at both the valve inlet
and outlet. Particular care should be taken
to keep the valve inlet absolutely clean.
Valvesshould preferably be stored indoors
with the original factory installed protective
measures left in place. This includes all
desiccants, flange protectors, and factory seals.
ANDERSON GREENWOOD SERIES 9300 PILOT OPERATED SAFETY RELIEF VALVES
InstallatIon and MaIntenance InstructIons
Block valve
“A”
Field test valve “B”
Block valve
“C”
Nitrogen
bottle
Test gauge
Flexible hose
FIGURE 16
Valves should be placed on wooden pallets
or other blocking materials to keep them off
the floor or in a location where dirt and other
forms of contamination are kept to a minimum.
Valvesshould not be thrown in a pile or laid on
the bare ground waiting for installation.
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