Danfoss APP Pump – Size 5.1-10.2

Danfoss APP pumps are designed for Reverse Osmosis. The high-pressure pumps have versatile applications in land-based, marine or offshore plants. They are positive displacement pumps with axial pistons that move a fixed amount of water in each cycle. With energy savings up to 65%, Danfoss APP High-Pressure Pump systems are one of the most cost-effective and reliable solutions available for desalination.

Learn how an axial piston pump works here. 

Flow Range: 0.4-3.5 m3/h (1.8-15.4 gpm)

Pressure: 20-80 barg (290-1160 psig)



Whether the parallel trains are in separate skids or individual containers, APP pumps are easy to configure. Their compact footprint and simplified connections require no frames or belt drives – and can be installed either vertically or horizontally – also in very tight places.


  • Highest efficiency rates in the industry
  • Compact and small – half size of competing pumps
  • Long time between service intervals
  • Easy and service-friendly design
  • Simple and reliable with high uptime
  • Short pay-back time


Additional information

Flow Range

1.9-10.2 m3/h


20 – 80 bar

Technical Documents

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