Get Your FREE Calculator How To Choose The Right Pipe Size For Your Pond Pump

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Calculators to help you choose right pond pump pipe diameter ... click this link

Basic Instructions On The Spreadsheet

When water flows through a pipe pressure is "lost". This is important concept when designing for accurate pump specification calculations are complex but this table allows for good approximation The following table applies to new plastic pipe of internal diameters as shown Diameter is critically important The main use of this table is to convince you that you should always minimise pipe length and maximize pipe diameter In this way the head loss due to friction is minimized Notice the 3 red cells in the diagram to explain this in numerical terms You will see about 4 times more pressure is lost if pipe is 0.61 inch diameter compared to 0.82 inch diameter
It does not matter if pipe is inclined or flat or going downhill the same principle applies ...  Calculators to help you choose right pond pump pipe diameter ... click this link

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Calculators to help you choose right pond pump pipe diameter ... click this link