WHAT DOES PRESSURE REGULATOR WITH RELIEF VALVE MEAN?

Pressure Regulator with Relief Valve Most PRVs are spring operated. At lower pressures some make use of a diaphragm in place of a spring. The oldest PRV types utilize a body weight to seal the valve.In some cases, a so-called bypass valve acts as being a relief valve by getting used to return all or Section of the fluid discharged by a pump or gaso