5500 Series Rev C; SALES KIT FOR PRODUCT CODE:55VCAC09V050000000; Pilot Operated Pressure Relief Vent With Pipe Away; DN 250 Inlet Size; 14" Outlet Size, Mates With Standard ASME 150# Flanged Connections; Flat Face Aluminum Body, Aluminum Cover, Aluminum Seat Ring; Fluorocarbon Elastomer (FKM) Actuator Diaphragm, Pilot Seals, And Seat;