540BSC0HK050000000

5400 Series Rev C Pilot Operated Pressure Relief Vent End-Of-Line; 12" Line Size Mates With ASME 150 Flanged Connection; Raised Face Stainless Steel Body, Weatherhood, And Seat Ring; 3.2 - 15.0 PSIG Pressure Spring Range; FEP Actuator Diaphragm, FFKM 2 Pilot Seals And Seat; Opt-5: Internal Sensing With Pilot Exhaust To Atmosphere, Backflow Preventer, And Field Test Connection