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HIGH PRESSURE CONTROL VALVE
Installation, Operation & Maintenance Guide
18
Model: PO, PC
ASSEMBLY
13 Diaphragm Assembly
Use a pair of brass jaws to hold the Diaphragm Plate in a
vice.
Place Diaphragm on Diaphragm Plate. See Fig. 13-1
Thread Diaphragm Nut on Diaphragm Plate.
NOTE:
Make sure the Diaphragm does not wrinkle.
Insert Diaphragm Assembly in the center of the Yoke. See
Fig. 13-2.
Place the Yoke on top of Body.
Insert Bolts and tighten with a wrench.
Use an adjustable wrench to hold the Upper Stem while
tightening the Diaphragm Plate. See Fig. 13-3
Use an
adjustable
wrench
here
Use all
purpose
grease on the
Diaphragm
Plate here
Diaphragm
Nut
Diaphragm
Use all purpose
grease in the hole of
the Diaphragm Plate
here
Fig. 13-1
Fig. 13-2
Fig. 13-3
Diaphragm
Assembly
Yoke