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  • diaphragm type selection
    (一) diaphragm type selection 1, the diaphragm valve type selection diaphragm valve of choice is the choice of the most important aspects. Many types of diaphragm valve, commonly used through single-s...

  • Performance and the role of vacuum pump oil
    Performance and the role of vacuum pump oil   In the vacuum pump oil pump vacuum to obtain not only as a medium, but also on the mechanical friction point lubrication, cooling and sealing. Vacuu...

  • Diffusion characteristics of the pump casing
    Diffusion characteristics of the pump casing For general diffusion pump, pump more than made straight type; for large pumps, but also useful or convex cylindrical cone-shaped cavity pump. Due to the ...

 
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