The Dynavac screw vacuum pump mechanism comprises two parallel screw rotors driven by a gearbox. There is no internal contact, so the need for lubrication is eliminated, and no water is required.
Gas enters the pump and is progressively compressed, leaving the pump uncontaminated. Power efficiency is good because the mechanism is frictionless and pumps the process gas only. Energy is not wasted in circulating seal water and lubricants throughout the pump chamber.
Features of the screw pump technology include a high vacuum level, contamination-free pumping, low maintenance, the ability to handle large amounts of wet process vapour without harm and low energy consumption.
The range extends from 100 to 3000 m3/h in pumping speed and 2.2 to 55 kW in motor size.
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