55AH5DV30000-55175

5500 Series Rev D Pilot Operated Pressure Relief Vent With Pipe Away; ASME 150 Flange Connection; 2" Inlet Size; 3" Outlet Size; Carbon Steel Body, 316 SST Bolt-In Seat Ring; Fluorocarbon Elastomer (FKM) Actuator Diaphragm, Pilot Seat, And Pallet Diaphragm; 2.1" - 12.0" WC Pressure Spring Range; Standard: Internal Sensing, Pilot Exhaust To Main Valve Outlet