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Recent content by darafotouhi

  1. darafotouhi

    NPSH

    dear freinds the pump get water from cooling water and have problem and abuse something like cavitation. pump brand:toss pump model:65-250 pump flow:375 gpm pump head:80 m intake diamiter:6" tower capacity:120 ton application: industrial cooling thank you
  2. darafotouhi

    NPSH

    Hi I am redesigning a cooling water system now. This system have a 65-250 centrefugal pump and pump & cooling tower in the same level.The work of system is not satisfactory. pump & cooling tower need any diffrence level because of NPSH? I aplogize for poor English writting.
  3. darafotouhi

    tall buildings piping

    dear johnp thank you for your reply.Could you advise a goog document for design of secondry plantroom?
  4. darafotouhi

    tall buildings piping

    Hi all I am looking forward for design criteria of tall building(20 stories) piping. I am looking forward of design of primery and secondry mechanical room too. Thank you for your reply.
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