3200 Series Pressure/Vacuum Vent With Pipe Away; 2" Inlet Size; 2" Outlet Size, Mates With Standard ASME 150# Flanged Connections; Raised Face SST Body & Cover, SST Trim With Bug Screen;For Vacuum Side; Fep-Tfe Pallet Diaphragm; Sight Glass Indicators For Pressure And Vacuum Sides; Standard Weight Material Steel Or Combination Of Steel And SST