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nozzle psi, gpm ect

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  • nozzle psi, gpm ect

    can someone hook me up with a good article or book about nozzle psi and gpm and friction loss and all that jazz, thanx!

  • #2
    Read about Bernoulli Equation.

    Look at these links:

    http://www.fs.fed.us/eng/pubs/html/0...8/02511318.htm

    http://www.delmarlearning.com/sample...6854523&cid=14


    Other than that...

    Google your question...
    HAVE PLAN.............WILL TRAVEL

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    • #3
      Your best bet is to get a portable flow meter and go from there. We found out different discharges had more or less F/L or hose from different manufacturers have different F/L too. Just a thought we did this and learned a lot because we had real GPM at real pressures.

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      • #4
        Dave Fornell's Fire Stream Management.
        Crazy, but that's how it goes
        Millions of people living as foes
        Maybe it's not too late
        To learn how to love, and forget how to hate

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        • #5
          Check this out.




          http://www.akronbrass.com/uploadedFi...wReachData.pdf
          Stay Safe and Well Out There....

          Always remembering 9-11-2001 and 343+ Brothers

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          • #6
            The water flow slide chart

            One of the best little portable tools I have found to help with this is a little slide chart thing that Task Force Tips puts out that gets into critical application rates, information based on the National Fire Academy formula for fire flows. It also has a chart for friction losses on different hoses and nozzle pressures, and the other side is all about foam applications. The print is a little small, but there is a great deal of information on it, and it still works fine after you get it wet. I think you can just call TFT and get one free.

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            • #7
              Originally posted by BenFireFan View Post
              One of the best little portable tools I have found to help with this is a little slide chart thing that Task Force Tips puts out that gets into critical application rates, information based on the National Fire Academy formula for fire flows. It also has a chart for friction losses on different hoses and nozzle pressures, and the other side is all about foam applications. The print is a little small, but there is a great deal of information on it, and it still works fine after you get it wet. I think you can just call TFT and get one free.

              Akron and Elkhart both have the same things. TFT copied it from them.
              Stay Safe and Well Out There....

              Always remembering 9-11-2001 and 343+ Brothers

              Comment


              • #8
                Originally posted by TRUCK61 View Post
                Your best bet is to get a portable flow meter and go from there. We found out different discharges had more or less F/L or hose from different manufacturers have different F/L too. Just a thought we did this and learned a lot because we had real GPM at real pressures.
                Can't be any more true.

                You'll find if you do your own flow testing with the trucks your department has and the hose you use you'll come a lot closer to what your pump pressures need to be for a given hose stretch.

                Make sure you document your findings and print them, laminate them and tape them somewhere close to the pump panel so every member that is engineering any given day can quickly use it for reference.

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                • #9
                  Originally posted by FyredUp View Post
                  Dave Fornell's Fire Stream Management.
                  i say ditto to that... unfortunately it's out of print and cost 400 dollars on amazon. find a fellow ff near you with it and borrow for a while. also you can check the local colleges that do ff studies, they are likely to have it in their library.
                  Originally Posted by madden01
                  "and everyone is encouraged to use Plain, Spelled Out English. I thought this was covered in NIMS training."

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