52B65DVH3S20000000

5200 Series Rev D Pilot Operated Pressure/Vacuum Relief Vent With Pipe Away; Mates With PN16 Flange Connection; 6" Inlet Size; 6" Outlet Size; Carbon Steel Body, 316 Stainless Steel Bolt-In Seat Ring; Fluorocarbon Elastomer (FKM) Actuator Diaphragm, Pilot Seat, And Pallet Diaphragms; 3.2 - 15.0 psi Pressure Spring Range; 0.75 - 7.99 Oz/In2 Weight Loaded Vacuum Pallet Configuration; Stainless Steel Weight Material; Opt-2: Remote Sensing With Pilot Exhaust To Main Valve Outlet And Backflow Preventer; Standard Vacuum Protection Screen