Air Safety Valve, Soft Seat, (M)NPT Inlet (In.) 1 in, (F)NPT Outlet (In.) 1 in, Preset Setting (PSI) 150 psig, 1,281 cfm Rated CFM @ Set Pressure, Max. Temp. (F) 400 Degrees F, Brass Body Material, Silicone Seal, 17-7 SS Spring, Brass Seat, Standards...