1.Small size, light weight, low noise 2.Equipped with gas ballasting valve 3.Stop with no oil reture 4.Easy start-up Description of Vacuum pumpThis series pump is used to seal the gas container extraction of basic equipment. It can be used alone, can also be used for the booster pumps, diffusion pumps, molecular pumps pump the first stage, the maintenance of pumps, pre-titanium pump pumping pumps ...