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  • Booster (Roots pump) in the application of vacuum electron beam welding machine
    Booster ( Roots pump ) in the application of vacuum electron beam welding machine In the vacuum electron beam welding machine , the vacuum system is also often used as a booster pump were poor Roots pumping level . Roots pump is a two- volume ...

  • Three stages of water ring pump works and work
    Three stages of water ring pump works and work Before the pump must be filled within a certain amount of work is a necessary condition for the water ring vacuum pump can work. After filling the pump into the water, when the impeller rotates, the water is rotated to form a close loop water p...

  • Chemical industry uses energy-saving methods Roots vacuum unit
    Chemical industry uses energy-saving methods Roots vacuum unit The vacuum pump is a common device in the petrochemical industry, which is drawn primarily through the exhaust system in order to obtain and maintain the vacuum, vacuum pumps and other related equipment vacuum system, the vacuum...

  • Action principle different types of vacuum pumps
    Action principle different types of vacuum pumps Different types of vacuum pumps have different roles and working principle, applied to the specific processes are not the same, as set forth below in this article on the specific role of the various pump: 1, Roots vacuum pump principle is:...