Screw-Type Vacuum Pump

    July 13, 2006
    The ScrewLine SP250 oil-free gascompression screw-type vacuum pump supports applications that require varying pumping speeds in the same plant.

    An alternative to oil-sealed piston vacuum pumps, the units reportedly require less maintenance and eliminate contamination of back-oil migration and emissions. Other advantages include elimination of contaminated waste water through air cooling, less particle deflection and buildup with screw-compression stage, and the ability to accommodate boosters for higher speeds at lower pressures.

    Leybold Vacuum USA, 5700 Mellon Rd., Export, PA 15632, (800) 764-5369, leybold.com

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