WATTS® 0556036 LF530-C Calibrated Pressure Relief Valve, 1/2 in, MNPT x FNPT, 50 to 175 psi, Brass Body

WATTS® Pressure Relief Valve, Calibrated, Series: LF530-C, 1/2 in Nominal, MNPT x FNPT, 50 to 175 psi, Brass Body, Buna-N® Disc, 1-5/8 in W x 3 in H

Series LF530C Lead Free* Calibrated Pressure Relief Valves are used in commercial, residential and industrial applications to protect against excessive pressure in systems containing water, oil, or air. It consists of a Lead Free* brass body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, stainless steel spring, brass bonnet, Buna-N disc, and Buna-N O-ring. Series LF530C has a calibrated adjustment feature for setting the valve to the required relief pressure, and is ideal for by-pass thermal expansion pressure relief (not ASME approved). Maximum Pressure: 300psi (20.67 bar). Adjustable Pressure Ranges: Sizes 1/2, 3/4 in. - 50 to 175psi (3.45 to 12.06 bar), Size 3/4 in. - 100 to 300psi (6.89 to 20.67 bar).