5200 Series Rev D Pilot Operated Pressure/Vacuum Relief Vent With Pipe Away; Mates With ASME 150 Flange Connection; 10" Inlet Size; 12" Outlet Size; 316 Stainless Steel Body, 316 Stainless Steel Bolt-In Seat Ring; EPDM Actuator Diaphragm, Pilot Seat, And Pallet Diaphragms; 41.8" - 86.0" wc Pressure Spring Range; 0.50 - 0.74 Oz/In2 Weight Loaded Vacuum Pallet Configuration; Stainless Steel Weight Material; Opt-5: Internal Sensing With Pilot Exhaust To Main Valve Outlet, Backflow Preventer, And Field Test Connection; Standard Vacuum Protection Screen; Atex Certificate, Ped Compliance Refer To Directive 2014/68/Eu.;As Applicable