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Product Details

Danfoss 3.5 Piston Pump (1.8 – 15.4 gpm)

Type: APP 3.5
Integrated Flushing Valve: Yes
Flow at 3000 rpm: 58.3 l/min
Minimum Speed: 700 rpm
Maximum Speed: 3000 rpm
Maximum Pressure: 80 Bar
Ports / Connections (In, Out): G3/4, G3/4
Housing Material: Duplex / Super Duplex Stainless Steel.


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Category Details

Danfoss APP 1.5, APP 1.8, APP 2.2, APP 2.5, APP 3.0 and APP 3.5 pumps are designed to supply low viscosity and corrosive fluids under high pressure, e.g. in seawater reverse osmosis filtration applications and for high-pressure salt water pumping.

The pumps are based on the axial piston principle enabling a very light and compact design.  The design ensures that lubrication of the moving parts in the pumps is provided by the fluid itself. No oil lubrication is thus required.
All parts included in the pumps are designed to provide long service life, i.e. long service life with a constantly high efficiency and minimum of service required.
The pumps are fixed displacement pumps in which the flow is proportional to the number of revolutions of the input shaft and the pump displacement, regardless of any counter-pressure.
The pumps are supplied with an integrated flushing valve that allows the salt water to flow from inlet to the outlet, when the pump is not running.

Details on APP 1.5 – 3.5 / APM 1.8 – 2.9

0.4 – 3.5 m3/h (1.8 – 15.4 gpm)
20 – 80 barg (290 – 1160 psig)
Integrated flushing valve
Can work as energy recovery device

Additional information

Stock Status

Usually Ships in 7 to 10 Days

International Article Number (EAN)


Export Commodity Code

WF-8413 5061


DANFOSS (Made in Denmark)

Country of Origin



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