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  • Oil-free scroll vacuum pump composition and working principle
    Oil-free scroll vacuum pump composition and working principle Oil-free scroll vacuum pump is mainly composed by the pump head with the drive motor, the pump head comprises a fixed scroll, a movable scro...

  • How to select the vacuum pump
    How to select the vacuum pump 1, the vacuum pump working pressure should meet the ultimate vacuum and vacuum equipment working pressure requirements. Such as: vacuum coating vacuum degree 110-5mmHg req...

  • VAR Vacuum Arc Remelting furnace
    Vacuum Arc Remelting (VAR)   This is a consumable electrode remeltingprocess performed inside a vacuum chamber. Exposure of molten metal droplets tovacuum reduces free gas content in the...

 
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