WW0556035, Watts, 1/2 In Lead Free Brass Poppet Type Calibrated Pressure Relief Valve, Adjustable 50-175 psi

This 1/2 inch lead free calibrated pressure relief valve is designed for use as protection against excessive pressure build-up in systems containing water, oil and air. It has a lead free brass body, 1/2 inch NPT male inlet and 1/2 inch NPT female (drain) outlet. This valve has an adjustable pressure of 50 to 175 psi (3.4 to 12.1 bar) and maximum working temperature of 180 degrees F.