How To Use Pond Pump Curves To Select Best Pump

All pond pump curves show the relationship between pond pump head and pond pump flow over a complete range of different conditions. Curves or tables for pond pumps can be used for correct pond pump specifications.

Pump curves for two distinct ranges of pond pumps are shown below.

You determine correct pond pumps from your knowledge of ideal pond pump flow and ideal pump head for your system. These two factors are the most critical.

The easiest way to choose correct pond pumps once you know pump head and pond pump flow is to refer to the pond pumps manufacturers pump curves or tables. The diagram above is that of an Italian manufacturer of pond pumps.

The bottom axis represents the required pump flow rate and the vertical axis represents the total pump head required to pump against.

You simply read from the intersecting point of the pump pumps curves the ideal pump size or model for your system.

Now you can easily compare the following selection criteria between manufacturers.

No longer are you left to recommendations made by a retailer who has less information and possibly less knowledge than yourself.

For ponds with waterfalls I suggest you check out this web page and for a simple recirculating pump click here. If you choice is for a fountain pump have a look at this fountain pump selection page

Other pond pumps selection criteria:

  • Power consumption

  • Guarantee

  • Box information

  • Manufacturer reliability

  • Attitude of retailer to guarantee and selection

  • Fittings and free offers

  • Outlet connections (bigger is better)

  • Are sponges required yes or no (no sponge pond pumps will save considerable effort and maintenance)

For calculation of pond pumps power consumption follow the 2 pumps is better links or buy the book which covers this topic and lots of others in considerable detail since it is an area where lots of money can be saved.

Click here for best range of pond pumps in USA and here for UK Supplier