APP Pumps

High-Pressure Pumps

What's in it for You?

  • Extensive application know-how
  • 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 
Pumps for Ultra Pure Water Applications
Pumps for Reverse Osmosis Applications
Pumps for Oil and Gas Applications
Pumps for Tap Water Applications
Relevant Literature
Danfoss Pumps, Parts and Accessories Complete List
Brochure for APP pumps
Back to Components
Danfoss APP pumps are designed for Reverse Osmosis. The high-pressure pumps have versatile applications in land-based, marine or offshore plants.

The APP pumps provide unsurpassed efficiency and great flexibility for configuration. The simple construction of the axial piston pump with fewer parts allows highly reliable operation with long service intervals and easy maintenance. 

The Danfoss APP pumps are available in various sizes from 0.6 m3/h to 86 m3/h for use in small and medium-sized SWRO facilities. See the product program below.
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Discover the Axial Piston Technology
Axial piston pump animation (YouTube)
Advantages of axial piston pumps
APP 0.6-1.5








 Pressure Range:
 Max. outlet pressure:
 80 barg/1,160 psig

 Min. outlet pressure, inlet:
 0.5-5 barg/7.3-72.5 psig

 Flow Range:
 0.2 to 1.3 m3/h
 0.9 to 5.7 gpm

 Speed:
​ 700 to 3,450 rpm
APP 1.5-3.5








 Pressure Range:
 Max. outlet pressure:
 80 barg/1,160 psig

 Min. outlet pressure, inlet:
 0.5-5 barg/7.3-72.5 psig

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

 Speed:
​ 700 to 3,450 rpm
APP 5.1-10.2








 Pressure Range:
 Max. outlet pressure:
 80 barg/1,160 psig

 Min. outlet pressure, inlet:
 0.5-5 barg/7.3-72.5 psig

 Flow Range:
 1.9-10.7 m3/h
 8.4-47.1 gpm

 Speed:
​ 700 to 1,800 rpm
Data sheet
Data sheet
Data sheet
Service Manual
Service Manual (APP 1.5-2.5)
Service Manual
Service manual - Shaft seal
Service manual (APP 3.0-3.5)
Download Drawings
Download Drawings
Service manual - Shaft seal
Download Drawings
APP 11-13









 Pressure Range:
 Max. outlet pressure:
 80 barg/1,160 psig (PAHT 50)

 Min. outlet pressure, inlet:
 0.5-5 barg/7.3-72.5 psig

 Flow Range:
 0.2-1.3 m3/h
 0.9-5.7 gpm

 Speed:
​ 700 to 3,450 rpm
APP 16-22









 Pressure Range:
 Max. outlet pressure:
 80 barg/1,160 psig

 Min. outlet pressure, inlet:
 2-5 barg/29-72.5 psig

 Flow Range:
 9.2-21.9 m3/h
 40.5-96.4 gpm

 Speed:
​ 700 to 1,500 rpm
APP 21-43








 
 Pressure Range:
 Max. outlet pressure:
 80 barg/1,160 psig

 Min. outlet pressure, inlet:
 2-5 barg/29-72.5 psig

 Flow Range:
 12.3-44.9 m3/h
 54.2-197.6 gpm

 Speed:
​ 700 to 1,700 rpm
Data sheet
Data sheet
Data sheet
Service Manual
Service Manual
Service Manual
Service manual - Changing pistons
Service manual - Changing pistons
Service manual - Changing pistons
Download Drawings
Download Drawings
Download Drawings
APP 53-86









 Pressure Range:
 Max. outlet pressure:
 80 barg/1,160 psig

 Min. outlet pressure, inlet:
 2-5 barg/29-72.5 psig

 Flow Range:
 24-88 m3/h
 106-387 gpm

 Speed:
​ 700 to 1,700 rpm
Data sheet
Service Manual
Download Drawings