APP S 674 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 
High-Pressure Pumps
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
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Danfoss APP S 674 pumps are designed for Seawater Reverse Osmosis offshore applications. 
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 S 674 pumps are available in various sizes from 2.0 m3/h to 9 m3/h, 21 m3/h to 38 m3/h and from 53 to 86 m3/h. 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 S 674 2.0-3.5









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

 Min. outlet pressure, inlet:
 2.0-10 barg/7.25-145 psig

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

 Speed:
​ 700 to 3,000 rpm
APP S 674 5.1-9.0









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

 Min. outlet pressure, inlet:
 2.0-10 barg/7.25-145 psig

 Flow Range:
 1.8-9.3 m3/h
 8.1-41 gpm

 Speed:
​ 700 to 1,800 rpm
APP S 674 21-38









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

 Min. outlet pressure, inlet:
 2.0-10 barg/7.25-145 psig

 Flow Range:
 10-38.4 m3/h
 44-169 gpm

 Speed:
​ 700 to 1,500 rpm
Data sheet
Data sheet
Data sheet
Service Manual
Service Manual
Service Manual
APP S 674 53-86









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

 Min. outlet pressure, inlet:
 2.0-5 barg/29-72.5 psig

 Flow Range:
 024-88 m3/h
 106-387 gpm

 Speed:
​ 700 to 1,700 rpm
Data sheet