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===under info was translated buy computer===
* Machine pump coaxial compact design inlet pressure range: 33 ~ 1013mbar (with air injector up to 10mbar); * Reliable operation, superior performance, a variety of material selection, strong corrosion resistance, suitable for various operating conditions. Can handle almost all gases and vapors, can handle a small amount of entrained liquid. Cavitation protection device is optional. Pump structure is reasonable, easy to maintain, no special tools for installation and disassembly. * optional motor: ABs VA series can be equipped with 50 and 60HZ wide voltage motor. Wide range of voltage applicable to different countries/regions. * Low life cost, excellent performance, high efficiency and energy saving; ABs liquid ring vacuum pump is equipped with stainless steel impeller to ensure low maintenance and long downtime maintenance cycle; Special heat treatment is applied to the surface of the disc to reduce the damage caused by cavitation and prevent the disc from rusting and starting after a long stop. * 100% oil-free design without any oil lubrication. Almost isothermal compression, conducive to environmental protection. The shaft does not contact the medium and there is no mechanical contact between the rotating parts.contact supplier or email to admin@b2bgood.com for purchase help
