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December 19, 2025
How Does an Oil-Free Screw Vacuum Pump Work? Field Engineer’s Guide to Trouble-Free Operation
An oil-free screw vacuum pump functions via a pair of intermeshing, counter-rotating helical rotors housed within a precision-machined casing. Gas is drawn in, trapped, and transported axially as the rotors turn, with the chamber volume compressing the gas along the screw profile until it exits...
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