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  1. DS PUMPS

    System curve modification new flows introduced downstream of pump

    Thanks LittleInch. This has been a lot of help. Just confirming that once Ive determined the new duty point of the existing pump this will now also dictate the required pressure/Head the newly introduced flow will have to meet. As I am likely going to need to design that system next.
  2. DS PUMPS

    System curve modification new flows introduced downstream of pump

    Thanks for the response LittleInch! Yes both flows are currently 'fixed' but I would like to find out what the existing pump will now be pumping at since downstream conditions have introduced additional headlosses due to increased flow in 4000 m length of pipe from newly introduced flows up to...
  3. DS PUMPS

    System curve modification new flows introduced downstream of pump

    An existing system is made up of a duty standby pumping arrangement that pumps out of a tank with a control volume of 5000 L. Pumping rate is fixed at 50 L/s at 40m head. Existing pressure main is approximately 7000 m in length puming into open tank. A new project is looking to introduce 16 L/s...

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