Ductile Iron Water Pressure Relief Valve

Pressure reducing valve includes main valve, pilot valve, needle valve, ball valve, micro-filters and gauges. Because the pilot valve, needle valve and pressure gauge need to be connected with the main valve by catheter, this system also call catheter control system.

Model 200X pressure reducing and sustaining valve contains a main valve, a pilot valve, a needle valve, a ball valve, a micro filter and two pressure gauges. When in use and after the outlet pressure is adjusted, this PRV can automatically maintain a stable outlet pressure.
This reducing valve uses the pilot valve for self-control. It does not require other devices and energy. So it is easy to maintain and has high pressure control accuracy. It is less affected by the inlet pressure and flow, and has reliable pressure reduction and stabilization.
This pressure control valve is widely used in water supply network systems such as high-rise buildings, living areas and urban water supply projects.

Material List:

Body&cap : ductile iron, cast steel, stainless steel

Disc : D.I., stainless steel SS304, SS316

Diaphragm : reinforced synthetic rubber, NBR, EPDM

Stem : carbon steel, SS304, SS316

Pilot valve&ball valve : brass, stainless steel

Main performance parameters