Guards against excessive pressure in water, oil or air systems used in commercial, residential or industrial applications, including fire protection systems
All-brass construction features an NPT threaded male inlet and NPT threaded female (drain) outlet connections; a stainless-steel spring; a brass bonnet; a Buna-N disc and a Buna-N O-ring
Calibrated adjustment feature sets valve to the required relief pressure
Maximumpressure is 300 psi (20.67 bar); adjustable range is 50 to 175 psi (3.45 to 12.06 bar)