formula for gpm

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    • 9 Mar 2000 at 2:12 pm #272613
      Avatar photoMasterPlumbers
      Keymaster

        what is the formula for for how many gpm will flow thru a 1/2″ copper pipe at 60 psi at a 100’run

      • 9 Mar 2000 at 2:39 pm #286015
        Avatar photohj
        Participant

          It is not a formula as much as it is a graph. And the precise answer would depend on which grade copper you are using since each grade has a diffent internal diameter.

        • 9 Mar 2000 at 3:27 pm #286016
          Avatar photoScott Bryan
          Participant

            Go to our website and email me and I will send you the formula.

            Scott
            http://www.plumbingpartsdepot.com

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