3200 Series Rev C Pressure/Vacuum Relief Vent With Pipe Away; Mates With ASME 150 Flange Connections; 4" Inlet Size, 6" Outlet Size; Carbon Steel Body, 316 Stainless Steel Seat Ring; EPDM Pallet Diaphragm; 8.00 - MAX Oz/In2 Pressure Pallet Configuration; 8.00 - MAX Oz/In2 Vacuum Pallet Configuration; Epoxy Coated Carbon Steel Weight Material; Standard Vacuum Protection Screen; Standard Cleaning Method; Special For Magnetic Particle Testing On Body Only And Heat Treatment Certificate From Foundry For Body Only