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  • Water ring vacuum pump mechanical seal to buy
                                     Water ring...

  • Vacuum knowledge
    Vacuum knowledge First, the basic concept of vacuum Vacuum technology, the "vacuum" refers to a given space, the gas pressure is below atmospheric pressure gas state, that is to say, compared with...

  • Water ring pump flow process analysis
    Water ring pump flow process analysis Water pump design, determine the circumference of the impeller speed is very important, because the circumferential speed greatly affect pump performance can be sa...

 
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