440HSBA20000000000-407

4400 Series Rev B Spring Loaded Pressure Relief Vent End-Of-Line; 2" Inlet Size Mates With PN16 Flanged Connection; Raised Face Stainless Steel Body, Trim, And Weatherhood; FEP Pallet Diaphragm; 1.25 - 4 PSIG Pressure Spring Range; With Special Proximity Switch, Mounts, And 416 Stainless Steel Stems