31A41CA33000000000

3100 Series Pressure/Vacuum Vent VTA; ASME 150 Flange Connection; 4" Flange Size; Aluminum Body, Aluminum Seat Ring; FEP Pallet Diaphragm; 0.75 Oz/In2 To 7.99 Pressure Pallet Configuration; 0.75 To 7.99 Oz/In2 Vacuum Pallet Configuration; Epoxy Coated Carbon Steel Weight Material; Standard Vacuum Protection Screen; Standard Cleaning Method