Get current pricing for Rietschle, Rietschle-52062-ID Rietschle Twister Series Dry Screw Vacuum Pump, Type Vsb320, Carbon Steel. Rated 188 Cfm, End Vacuum 0.02 Torr. Driven By A 10hp, 3/60/208-23 . Product Category: Lab Equipment, Sub Category: Vacuum Pumps: