PVD2VDV7A

Model 1049 Rev A Pilot Operated Vent Valve; Carbon Steel Body With Flame Screen; 3" Inlet X 4" Outlet Mates With ASME 150 Flanged End Connections; Fluorocarbon Elastomer (FKM) Soft Seats; Internal Sensing, SST Pilot Filter Element, Pilot Exhaust Tubed To;Main Valve Outlet, With Backflow Preventer; Fluorocarbon Elastomer (FKM) Actuator Diaphragm; 18.1" - 36.0" wc Pressure Range