PVS3V5V3A

Model 1049 Rev A Pilot Operated Vent Valve; Stainless Steel Body; 4" Inlet X 6" Outlet Mates With ASME 150 Flanged End Connections; Fluorocarbon Elastomer (FKM) Soft Seats; Option 4: Internal Sensing With Pilot Exhaust To Atmosphere And Backflow Preventer; Fluorocarbon Elastomer (FKM) Actuator Diaphragm; 4.0" - 12.0" wc Pressure Range