540HSC06C000000000

5400 Series Rev C Pilot Operated Pressure Relief Vent End-Of-Line; DN50 Line Size Mates With PN16 Flanged Connection; Raised Face Stainless Steel Body, Weatherhood, And 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