5404CC06C000000000

5400 Series Rev C Pilot Operated Pressure Relief Vent End-Of-Line; 4" Line Size Mates With ASME 150 Flanged Connection; Raised Face Carbon Steel Body And Weatherhood With Stainless Steel Seat Ring; 12.1" - 18.0" Wc Pressure Spring Range; FEP Actuator Diaphragm, FFKM 1 Pilot Seals And Seat; Standard: Internal Sensing With Pilot Exhaust To Atmosphere And Backflow Preventer