Factory set at 175 to 185 psi for pressure release (non-adjustable)
Compact relief valve releases pressure in the event of an over pressurization of the first stage
Chrome brass construction with Viton o-rings
Stainless steel internal spring
Non-rebuildable
Fits standard 3/8-24 UNF medium pressure regulator port
This compact Over-Relief Valve (OPV) is designed to releases pressure in the event of an over pressurization of the first stage regulator. "