5404KC03C000000000

5400 Series Rev C Pilot Operated Pressure Relief Vent End-Of-Line; 4" Line Size Mates With ASME 150 Flanged Connection; Flat Face Aluminum Body With Stainless Steel Cover And Seat Ring; 2.1" - 12.0" Wc Pressure Spring Range; FEP Actuator Diaphragm, FFKM 1 Pilot Seals And Seat; Standard: Internal Sensing With Pilot Exhaust To Atmosphere And Backflow Preventer