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  • Principle and the use of the vacuum valve
    Principle and the use of the vacuum valve Vacuum valve was in the 1990s developed a vacuum valve. It works like a vacuum valves. Rely on a solid spherical rotary valve plate rotation axis 90 ° to achieve the valve opening and closing. Vacuum than vacuum butterfly valve opening and ...

  • Reciprocating pump features
    Reciprocating pump features What is a reciprocating pump? Let me give you an example to understand, it's the principle of the needle with the hospital is the same, there is something black piston reciprocates back and forth, so that negative pressure chamber is evacuated to reach goal. S...

  • Ring vacuum pump cavitation and preventive measures to eliminate the method
    Ring vacuum pump cavitation and preventive measures to eliminate the method Liquid ring vacuum pump cavitation: When the liquid ring vacuum pump is in operation, at a certain temperature, when the fluid pressure in the low pressure is below the vapor pressure at that temperature (i.e.,...

  • Used in series in the vacuum pump plant heat exchanger and cooling device
    Used in series in the vacuum pump plant heat exchanger and cooling device   At present, the manufacturer of the vacuum pump seal water had less cooling degree studies, reducing the water temperature sealing means just stay on the plate or tube cooling heat exchanger, and a plate or tu...