３．
Operation
(Pressure Reducing Valve Body)
(Pilot Valve)
Adjustment bolt
Cap
Nut
(Needle Valve)
Cap
Nut
Stem
Diaphragm
Diaphragm
Disc Assembly
１．
The PRV body 's disc assembly will rises and the PRV valve opened from inlet pressure.
Or haven't adjusting the pilot valve, the needle valve under opened condition and no heavy
load on adjusting bolt, the fluid will let through pilot tube to pilot valve from upper part of
the diaphragm in the PRV body.
２．
The lower part of the diaphragm in the pilot valve pressure increase, the disc assembly of the
pilot valve will rise, and the pilot valve will closed.
３．
The pilot valve closed, the upper part of the diaphragm in the PRV body pressure will increase,
the PRV disc assembly will drop down, and the PRV closed.
４．
To setting outlet pressure of the PRV, removed the cap which on top of the pilot valve,
clockwise turn the adjustment bolt, the outlet side pressure will increase, turn anti clockwise
will reduce the pressure.
△
!
Caution
⦿
To use this product, please make sure can meet the application condition.
⦿
Please do daily checking and periodic inspection to maintain this product's function and
performance.
