31A45CA22000000000

3100 Series Rev C Pressure/Vacuum Relief Vent End-Of-Line; Mates With ASME 150 Flange Connection; 4" Flange Size; Carbon Steel Body, 316 Stainless Steel Seat Ring; FEP Pallet Diaphragm; 0.50 - 0.74 Oz/In2 Pressure Pallet Configuration; 0.50 - 0.74 Oz/In2 Vacuum Pallet Configuration; Epoxy Coated Carbon Steel Weight Material; Standard Vacuum Protection Screen; Standard Cleaning Method