I, would like to calculate waterflow through various pipe sizes at a certain pressure. Is there a formula or can you help me with a table?

Name the pipe sizes and the pressure. Also the length of the run so pipe resistance can be factored in. Will elevation( head pressure) enter into the equasion? Why ar you asking for this information?

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Originally Posted by speedball1

Name the pipe sizes and the pressure. Also the length of the run so pipe resistance can be factored in. Will elevation( head pressure) enter into the equasion? Why ar you asking for this information?

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Don't forget to mention friction loss for every 90 degree change of direction.

Thanks growler but the friction loss has already been addressed when I asked for the length of the rum so I could calculate loss due to pipe resistance. I should also have asked for the fitting configuration. Regards, Tom