Get current pricing for Becker Pumps Corp, U4.400 SA/K Becker Pumps Corp Oil Flooded Rotary Vane Vacuum Pump. Model U4.400 Sa/k. Vacuum Pump Has A Pumping Speed Of 283 Cfm And A Vacuum To 2.5 Torr. Pump Ha . Product Category: Process Equipment, Sub Category: Process Pumps: