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  • Vacuum valve characteristics and type
    Vacuum valve characteristics and type The basic characteristics of the vacuum valve having high airtightness (sealing reliable); resistance to airflow as small as possible (i.e., the conductance valve as large as possible); a sealing member wear resistance, can be used repeatedly, and long ...

  • Introduction of steam injection pumps and water jet vacuum pump
    Introduction of steam injection pumps and water jet vacuum pump 1, the steam ejector Steam jet pump is a single-stage steam ejector, steam at high pressure to work 1000 ~ 1400m / s high speed from the nozzle. In the course of the injection pressure of the steam energy into kinetic energy...

  • Roots vacuum pump installation and maintenance instructions
    Roots vacuum pump installation and maintenance instructions   First, the Roots vacuum pump installation (1), Roots vacuum pump should be installed in a dry, well-ventilated and clean place. (2), Roots vacuum ambient temperature 5-40 ℃. (3), Roots vacuum pump should be installed ho...

  • The main performance of the vacuum annealing furnace
    The main performance of the vacuum annealing furnace   Vacuum annealing furnace performance mainly reflected in the following parameters: deflation, pumping speed, ultimate vacuum and leak rate. 1, deflated Gassing was slowly evaporated in vacuo material phenomenon is a major pr...