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  • structure principle for rotary vane pump
    Structure principle for rotary vane pump Structure Rotary vane vacuum pump can be sealed container in a dry gas, with gas ballast if the device can also be drawn in addition to a certain amount of...

  • Understand the working substance of the vacuum system
    Understand the working substance of the vacuum system 1: mechanical vacuum pump, vacuum pump working fluid vapor stream    Water, mercury, oil and water ring pumps, mechanical pumps, molec...

  • Roots vacuum advantages and features
    Roots vacuum advantages and features Roots pump start fast , low power consumption , low operating and maintenance costs , pumping speed , high efficiency, and insensitive to ...

 
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