... HUADONG BLOWER CO., LTDHDSR-V-80 BrandHuadongModelHDSR-V-80AItemRoots blowerTypeHDSR vacuum pumpFlow rate2.5-5.53 m3/minVacuum -100 to ... 7 with nitrile rubber seal rings Usage: vacuum packing, vacuum metallurgy, vacuum distillation, vacuum concentration and vacuum drying, smelting, off-gassing, rolling as ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); HDSR-V-80A tri lobe roots vacuum pump