52A36DC71S00N00000

5200 Series Rev D Pilot Operated Pressure/Vacuum Relief Vent With Pipe Away; Mates With ASME 150 Flange Connection; 3" Inlet Size; 3" Outlet Size; 316 Stainless Steel Body, 316 Stainless Steel Bolt-In Seat Ring; FEP Actuator And Pallet Diaphragms, FFKM1 Pilot Seat; 18.1" - 36.0" wc Pressure Spring Range; MIN - 0.49 Oz/In2 Weight Loaded Vacuum Pallet Configuration; Stainless Steel Weight Material; Standard: Internal Sensing, Pilot Exhaust To Main Valve Outlet With Backflow Preventer; Standard Vacuum Protection Screen; Opt-40: Construction Per Nace Standard Mr0175