Pressure Relief Valve Valve Inlet Port 1/4 in NPT Preset Setting (PSI) 50 to 125 Valve Vacuum Range Not Rated Max CFM - Valves 2 cfm Max Temp 250 Degrees F Operational Pressure Range 50 to 125 psi Brass Body Material Stainless Steel Poppet Brass Seal Material Stainless Steel Spring Material Hex (In.) 9/16 in Length (In.) 1 3/4 in Pressure Relief Rated CFM @ Set Pressure 2 cfm Vacuum / Pressure Relief Valve