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  • Coating equipment vacuum system design
    Coating equipment vacuum system design Currently on a variety of vacuum coating equipment equipped with a vacuum system not only different structure and pumping characteristics of the system are different and there is a big difference with the object of their work can be summarized in the...

  • Prospects for development of vacuum technology in the use of agricultural
    Prospects for development of vacuum technology in the use of agricultural With the improvement of people's living standards, some of the food packaging requirements are also increasing, as everyone knows, the shelf life of vacuum-packed food will be for a long time a lot, which eliminates t...

  • rotary piston vacuum pump exhaust valve, relief valve seal
    rotary piston vacuum pump exhaust valve, relief valve seal Exhaust valve seal off a direct impact on the extent of the tank slightly above atmospheric gases into the pump chamber reflux issues, such as strict closure would seriously affect the vacuum of the vacuum pump. The main reason is c...

  • Vacuum system design recommendations Selection
    Vacuum system design recommendations Selection   Select the pump working pressure vacuum equipment should meet the ultimate vacuum and working pressure requirements; each pump has a certain working pressure range, the pump operating point should be selected to work within this range; ...