PVD4K5F8A

Model 1049 Pilot Operated Vent Valve; Carbon Steel Body With Flame Screen; 6" Inlet X 8" Outlet ASME Class 150# Rf Flanges; Ffkm 2 Soft Seats; Option 5: With Internal Sensing, SST Pilot Filter Element, Pilot;Exhaust To Atmosphere, With Backflow Preventer To Prevent Back Flow;Through Main Valve And Pilot, And With Field Test Conections; Buna-N Actuator Diaphragm With Teflon Liners; 36.1" - 41.7" Wc; Rev Level A