Air Safety Valve, Soft Seat, (M)NPT Inlet (In.) 1 in, Preset Setting (PSI) 175 psi, 1,434 cfm Rated CFM @ Set Pressure, Max. Temp. (F) 250 Degrees F, Brass Body Material, Lead Seal, Stainless Steel Spring, Brass Seat, Silicone O-Ring, Standards...