Try the calculation program for free

Do you have a need for calculating pumps? Download DanPumps calculation program to our pumps for free: PumpSelect

The calculating progam will allow the right pump selection by always ensuring you to get the latest product range and software features at hand. The program immediately identifies the right pump for your wastewater application.

Download the program and you will see this icon on your front desk:

Contact SonFlow for installation support and login.



  • For normal calculations choose 'Hydraulic Selection'
  • Choose which pump
  • Be aware of the 50 Hz or 60 Hz
  • Choose whether it should be submersible, dry or portable
  • Type in the flow and head
  • Units can be changed to fit the information given by the customer
  • Choose 'Select'
  • Choose from the list of products
  • Press the 'optimize' button to fit the impeller precisely to the requested flow and head
  • Check power supply, installation type, flanges and cable type
  • Press 'print' to get the chart, drawing and general information for the pump offer
  • Then you wil get the data list with all relevant information and drawings with all measurements



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