55A36DCH00X0000000-21

5500 Series Pilot Operated Pressure/Vacuum Vent With Pipe Away; ASME 150 Flange Connection; 3" Inlet Size; 3" Outlet Size; 316 SST Body, 316 SST Bolt-In Seat Ring; FFKM 1 Pilot Seat, FEP Pallet Diaphragm, FEP Actuator Diaphragm; 3.2 - 15.0 PSIG Pressure Spring Range; Internal Sensing, Exhaust to Atmosphere, Rotometer to Purge Pilot Sense & Discharge Lines, With Special Backflow Preventers For Both Sense And Discharge Lines