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HIGH PRESSURE CONTROL VALVE
Installation, Operation & Maintenance Guide
12
Model: PO, PC
DISASSEMBLY
8 Packing Box
Wrench up on the flats machined into the Packing Box
Body and remove by turning counter-clockwise.
Remove Packing Box from the Upper Housing.
See Fig. 8-1
CAUTION:
When removing Packing Box from Body, if pressure starts
to exit out of the safety relief hole than stop and check on
isolation.
NOTE:
Occasionally the Cage unscrews from
the Packing Box leaving the Cage, Seat
and Lower Stem in the Body or the Seat
will unscrew from Cage and remain in the
Body.
See Fig. 8-2 & Fig. 8-3
Seat
Fig. 8-3
Cage, Seat
and Lower
Stem
Fig. 8-2
Safety
Relief
Hole
Fig. 8-1
Use an adjustable
wrench on flats to
loosen. DO NOT
USE pipe wrench
on Body
Alternate Seat Removal