Pressure Relief Valve Soft Seat (M)NPT Inlet (In.) 1/4 in (F)NPT Outlet (In.) 3/16 in Preset Setting (PSI) 75 psi 39 cfm Rated CFM @ Set Pressure Max Temp (F) 400 Degrees F Brass Body Material Silicone Seal Stainless Steel Spring Brass Seat Standards ASME Boiler Pressure Vessel Code Section VIII Division 1 CSA B51 Boiler Pressure Vessel and Pressure Piping Code Pressurized Tank