... by fluid jet to eject.Providing vacuum condition for the processes of evaporation, distillation, crystallization, drying, sublimation, ... , agricultural engineering, biological engineering.II. The characteristics of vacuum pump: A. Cyclically use water, save the precious ... of Water TankPPDimensions385L*280W*420HWeight11VI. The pictures of vacuum pump:Low temperature pump(left)+Rotary evaporator(middle ...