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  • vacuum check valve
    vacuum check valve Vacuum valve, also known as a one-way valve or check valve, and its role is to prevent the line of medium back. Also belongs to check class. The vacuum check valve in pump applica...

  • Rotary vane vacuum pump gas ballast valve
    Rotary vane vacuum pump gas ballast valve In vacuum applications often discharged vapor or a mixture of vapor and various gases, primarily water vapor. Ordinary rotary vane vacuum pump can not be rul...

  • Pumps and Vacuum Equipment installed base requirements
    Pumps and Vacuum Equipment installed base requirements (1) pumps and vacuum equipment base itself for all static and dynamic loads should have sufficient strength, the basis of the size and shape of ...

 
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