Typical Operation - Honeywell VP525A Guide Rapide

VISE MAY SQUEEZE VALVE SEAT OUT OF
ROUND. IF VISE IS USED, GRIP ONLY THE
HEX NEXT TO PIPE BEING INSERTED.

TYPICAL OPERATION

An increase in control air pressure moves the valve stem
toward the closed position, modulating the flow through the
valve.
CONTROL
AIR
PRESSURE
SYSTEM
SUPPLY
Fig. 6. Typical operation.
EXCESS DOPE
PIPE SIZE EFFECTIVE LENGTH
MAY BLOCK DISC
OFF VALVE SEAT
1/2 in.
3/4 in.
LOOSE CHIPS
WRONG – TOO
MANY THREADS
WRONG
VISE GRIPS HEX END NEXT TO PIPE
Fig. 5. Proper threaded valve installation practice.
VP525
C7712
VP525A,C PNEUMATIC RADIATOR VALVE
OF THREADS
1/2 in. (13 mm)
9/16 in. (14 mm)
RIGHT
VISE HOLDS PIPE
SECURELY
AGAINST TURNING
PARALLEL-JAW
WRENCH GRIPS HEX
OR FLATS NEXT TO PIPE
3
2 THREADS CLEAN –
MODERATE
AMOUNT OF DOPE
RIGHT – FULL
THREAD (SEE TABLE)
M16447
95-5544EF–1