Double Stage Vacuum pump

chinacoal07Product IntroductionProduct features:1.Prevent returning oil designAir intake channel do special design, can prevent the reflux pump oil and pollution after stopping pump is pumped containers and pipes2.The environmental protection designFuel Tank for inter-layer processing, and set up on the exhaust oil and gas separation device, no oil and reduce the pollution of the oil mist.3.Aluminum alloy motor casingMotor USES the aluminum alloy shell, high cooling