55AJ6DKC00X0000000-290

5500 Series Rev D Pilot Operated Pressure Relief Vent With Pipe Away; Mates With ASME 150 Flange Connection; 3" Inlet Size; 4" Outlet Size; 316 Stainless Steel Body And Bolt-In Seat Ring; FEP Actuator Diaphragm With FFKM 2 Pilot Seat And FEP Pallet Diaphragms; 2.1" - 12.0" wc Pressure Spring Range With Air Assist; With The Following Special Options: Remote Sensing With Backflow Preventer And Purge Meter For Sense Line Only; Remote Pilot Exhaust With Backflow Preventer; PTFE Pallet