D4491 POP Safety Valve 1/2 x 1 In 75 psi

D4491 POP Safety Relief Valve Body Material Bronze Inlet Type MNPT Outlet Type FNPT Inlet Size 1/2 in Outlet Size 1 in Factory Set Pressure 75 psi Pressure Range 15 to 300 psi Steam Capacity (Lb./Hr.) 558 lb/hr Disc Material 316 Stainless Steel Overall Height 7 1/2 in Application Air and Gas Compressors and Dryers Pressure Vessels and Pressure Piping System etc Seat Material Metal Spring Material Stainless Steel Temp Range -320 Degrees to 406 Degrees F Test Lever No