51A61DV720000000000

5100 Series Rev D Pilot Operated Pressure/Vacuum Relief Vent End-Of-Line; Mates With ASME 150 Flange Connection; 6" Inlet Size; Aluminum Body, Aluminum Bolt-In Seat Ring; Fluorocarbon Elastomer (FKM) Actuator Diaphragm, Pilot Seat, And Pallet Diaphragms; 18.1" - 36.0" wc Pressure Spring Range; 0.50 - 0.74 oz/in2 Weight Loaded Vacuum Pallet Configuration; Epoxy Coated Carbon Steel Weight Material; Standard: Internal Sensing,Pilot Exhaust To Atmosphere With Backflow Preventer; Standard Vacuum Protection Screen