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Efficient Design: The single stage, oil injected rotary screw airend with the power-saving, proprietary Sigma Profile delivers pressures up to 205 psig. The Sigma Profile airend achieves optimum efficiency at low rotational speeds. It is manufactured with close machining tolerances thus reducing back-flow losses without the need for sealing strips. Optimum flow porting design ensures minimal flow resistance resulting in higher efficiencies. |