52A65DK72S00000000

5200 Series Rev D Pilot Operated Pressure/Vacuum Relief Vent With Pipe Away; Mates With ASME 150 Flange Connection; 6" Inlet Size; 6" Outlet Size; Carbon Steel Body, 316 Stainless Steel Bolt-In Seat Ring; FEP Actuator And Pallet Diaphragms, FFKM2 Pilot Seat; 18.1" - 36.0" wc Pressure Spring Range; 0.50 - 0.74 Oz/In2 Weight Loaded Vacuum Pallet Configuration; Stainless Steel Weight Material; Standard: Internal Sensing With Pilot Exhaust To Main Valve Outlet And Backflow Preventer; Standard Vacuum Protection Screen