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HIGH PRESSURE CONTROL VALVE
Installation, Operation & Maintenance Guide
16
Model: PO, PC
ASSEMBLY
Apply all purpose grease on the outside of the Packing
Box. DO NOT apply grease on the outer threads.
NOTE:
To prevent galling or seizing use a nickel impregnated
PTFE thread sealant tape or equivalent.
Clean male and female threads throughly. Wrap the tape
around the male thread, making three complete wraps.
Keep the tape under tension as you are wrapping in the
direction of the thread so the tape molds itself into the root
of the thread. Make sure that the tape does not overlap
the end of the fitting.
NOTE:
For poor quality or damaged threads that are hard to seal,
such as parallel threads or threads on fittings subject to
vibration, more than three wraps may be necessary.
Insert Packing Box into the Body.
Use an adjustable wrench on flats for tightening Packing
Box. DO NOT use pipe wrench on Body. DO NOT OVER
TIGHTEN.
Re-install the Cage on the Packing-box by applying
downward pressure (slightly compressing the Spring) in
order to start the threads. See Fig. 12-1
12 Cage, Packing
Fig. 12-1
Fig. 12-2
Fig. 12-3
Fig. 12-4
NOTE:
Hand tighten the Cage at this point in assembly. The
Cage will be fully tightened at Seat installation.
See Fig. 12-2
Insert the Stem in Cage and thread the Seat in Cage.
See Fig. 12-2 & Fig.12-3
Place the flat edges of Packing Box in vise and tighten.
Tap the Stem until the ball seats.
Use a brush to grease O-Rings.
Flip the Body upside down and tighten the Body on
Packing Box Assembly.
See Fig. 12-4