Danfoss Commercial Pumps

With our APP pumps especially developed for purification applications, we can provide a cost-effective pump for e.g.:

• Reverse Osmosis
• Nanofiltration
• Ultrafiltration
• Microfiltration
• Other low viscosity (>2ct) fluids prefiltered down to 10 micron absolute

Well-proven Technology
The APP pumps (Axial Piston Pumps) are based on the axial piston principle. This principle was developed in the 1950s for oil hydraulic applications and revised further in the 1980s by Danfoss for water applications.

With thousands of pumps running in a variety of applications, the design has long since proved to be among the most reliable and cost effective in the market.


1. Shaft sealing
2. Mounting flange
3. Bleeding plugs
4. Retaining ring
5. Piston/shoe
6. Valve/thrust plate
7. Swash plate
8. Cylinder barrel
9. Spring
10. Port plate
11. Connecting flange
12. Housing with bearing



Click here to view the data sheets for APP pumps

Click here to view the brochures for APP

Click here for the Danfoss 521B0747 data sheet

Click here for the Danfoss 521B0733 data sheet