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  • Low boards and adsorption surface design
    Low boards and adsorption surface design Low boards and selective adsorption surface temperature should be the main consideration was pumping gas composition, pressure and economic requirements of the ultimate cost of three. Hypothermia board material selection should meet high thermal c...

  • Liquid ring pumps classification
    Liquid ring pumps classification By suction and discharge status classification 1) liquid ring pumps. In a vacuum pump inlet, outlet at atmospheric pressure liquid ring pumps. Mainly used for vacuum water (deacidification, degassing), vacuum resurgence, etc. single-stage pump ultimat...

  • Roots vacuum pump ultimate vacuum
    Roots vacuum pump ultimate vacuum Ultimate vacuum is one of the important parameters Roots vacuum pump, its meaning is tightly closed when the inlet of the pump, can operate over a longer time to achieve the highest degree of vacuum. Commonly due to pressure, said it is also called the ulti...

  • The performance characteristics of the ideal vacuum system presented
    The performance characteristics of the ideal vacuum system presented According to the kinetic theory of gases, the gas temperature when the container is constant, there is PV = constant The time differential equation and integration at a constant volume pump speed S = dV / dt of the...