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  1. llunydecasa

    DN200 PN40 needle valve calulation

    Hi all, I am adapting a needle valve design which was originally working with a servomotor, to work manually by means of a gearbox and a wheel. The problem, is that I would like to calculate the axial loads on the shaft, due to hydraulic efforts, but I do not know how to do it. Does anyone...
  2. llunydecasa

    Big diametre valve design

    Thank you very much, LittleInch!!!
  3. llunydecasa

    Big diametre valve design

    Hi all, I am working in the Hydropower design industry, and I would like to get deep knowledge in the valve design field (mainly, butterfly and spherical valves, up to DN2500). I have been looking for books or formation courses, but could not find anything interesting, for such big valves. I...

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