Get current pricing for Ketema, Ketema 48 Dia (in) B 48 X 30 Ketema (tolhurst) Semi-batch-o-matic Centrifuge. T-316l Contact Parts. 3 1/2 Diameter Bottom Discharge. Basket Speed 0-1800 Rpm Tz-5660 . Product Category: Process Equipment, Sub Category: Process Centrifuges: