PVD3VDV7A

Model 1049 Rev A Pilot Operated Vent Valve; Carbon Steel Body With Flame Screen; 4" Inlet X 6" Outlet Mates With ASME 150 Flanged End Connections; Fluorocarbon Elastomer (FKM) Soft Seats; Option 10: Internal Sensing With Pilot Exhaust Tubed To Main Valve Outlet And Backflow Preventer; Fluorocarbon Elastomer (FKM) Actuator Diaphragm; 18.1" - 36.0" wc Pressure Range