The Two and Three Screw pumps are used to pump oils or other lubricating liquids, non-lubricating liquids, or liquids with poor lubricating properties. The characteristics of the screw pumps are: self-priming, very high efficiency, very low noise level and very well suited for use with variable speed drives (FU). The liquid is moved fully continuously, virtually without pulsations, without turbulence, crushing, or loss of lubrication.
Single/double channel, self-priming; the spindles have special shapes that create sealed chambers, the contents of which are continuously moved in an axial direction from the suction side to the pressure side as the spindles rotate. Despite rotation of the spindles, no turbulence results. The uniform chamber volumes eliminate crushing forces.
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