Principle of Roots vacuum pump with direct exhaustRoots pump uses the internal cooling method, the heat is directly taken away from the heat source by the circulating cooling air, that is, the extracted gas is cooled by the cooling air when it is compressed or discharged, so this kind of pump can be...

Selection of vacuum systemUnder its working pressure, the vacuum pump should be able to discharge all the gas in the process of vacuum equipment process, and recognize the vacuum volume of the system. Check the time required to acknowledge the required vacuum, the flow resistance and leakage of the ...