0372271 WATTS 3/4 X 3/4 CALIBRATED RELIEF VALVE 50-175 PSI

- Body Material Brass - Inlet Connection Size 3/4 IN - Inlet Connection Type Male Threaded - Maximum Working Pressure-PSI 300 PSI - Outlet Connection Size 1/2 IN - Outlet Connection Type Female Threaded - Pressure Range 50 to 175 PSI - Pressure Relief Setting-PSI 150 PSI - Series 530C Features - Brass body construction - All stainless steel spring - Adjustable range 50 to 175 psi - Designed for protection against excessive pressure build up This 3/4 inch calibrated pressure relief valve is used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a bronze body construction with 3/4 inch NPT threaded male inlet and 1/2 inch NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna-N disc, and Buna-N O-ring. Series 530C has a calibrated adjustment feature for setting the valve to the required relief pressure, and is ideal for bypass thermal expansion pressure relief (not ASME approved). It is for use in fire protection systems. The maximum pressure is300 psi (20.67 bar). The adjustable pressure range is 50 to 175 psi (3.45 to 12.06 bar).