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You have a lot of useful information there, it will take a little while to wade through. I do not know if you are familiar with EPANET, but it is a generic model used in the water industry that models pumps, reservoirs, tanks, piping, etc. I put in all my pool piping, DE filter, valves, pump as...

Thanks. Very good information. For me, as I mentioned, much of this is entertaining to nail down the model. AS you say, you can determine the flow you need without knowing the efficiency. But this requires you to depend on the accuracy of published pump curves, which likely are somewhat...

Thank you mas985 for your information. As I replied to another commentor, I am modeling my system using the EPANET hydraulic model. I am trying to confirm some of the assumed parameters and also poking into operations to select the most efficient mode while meeting the demands of the pool, like...

Thank you ajw22 for your comment. I have the Pentair VS 011018 pump installed, and I am hydraulic modeling my pool system. Having the relationship between efficiency and pump flow at a given speed is helpful in checking assumed parameters and calibrating the model. I have pressure gauges on the...

I have a 14,000 gal pool with a Pentair 3HP IntelliFlo VS Pump 011018. I cannot find technical information on the hydraulic efficiency of the pump impellor versus flow (Efficiency vs Flow). Does anyone have these data?