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Recent content by KyrTh

  1. KyrTh

    Expansion joint on pump nozzle

    So, that means exp-red- nozzle. We are dealing with a redesign. The owner commented that he prefers 10D of straight run before the suction of a double suction pump, while everything was already constructed. We have warned him about the disadvantages of using expansions, but he prefers to save...
  2. KyrTh

    Expansion joint on pump nozzle

    Hello once again, Thank you all for your comments and concerns. Mr Bimr, I never posted that I am going to use a concentric reducer. You can have a look on my previous posts to verify that. I just mention that I do not want to use rubber reducer expansion joint. As I matter of fact have...
  3. KyrTh

    Expansion joint on pump nozzle

    Thank you for the tips. I totally agree that the exp. Joints should be the last option in a piping system, even if the medium is water. In my case, this is my last option and it was discussed thoroughly with the client. I am just asking if someone has a theoretical or empirical approach of...
  4. KyrTh

    Expansion joint on pump nozzle

    Thank you for the reply. I am going to use tied rods so to handle the thrust. As you already mentioned, the results when using 6" or 8" rubber joint are quite similar. So I am thinking of the optimum placement regarding the flow, alignment etc and without taking into consideration aspects.
  5. KyrTh

    Expansion joint on pump nozzle

    Hello, I am going to install a rubber expansion joint on the suction nozzle of a fire fighting pump and I am trying to find the optimum placement. Should it be nozzle(6”)-expansion joint (6”)- reducer (6”x8”) or nozzle(6”)- reducer (6”x8”)- expansion joint (8”)? Do you have any suggestions...
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