Danfoss Series 90 55cm3/rev. Displacement Axial Piston Pump

• Series 90 variable displacement pumps are compact, high power density units.
• All models utilize the parallel axial piston/slipper concept in conjunction with a tiltable swashplate to vary the pump’s displacement.
• Reversing the angle of the swashplate reverses the flow of oil from the pump and thus reverses the direction of rotation of the motor output.
• Series 90 pumps include an integral charge pump to provide system replenishing and cooling oil flow, as well as control fluid flow.
• They also feature a range of auxiliary mounting pads to accept auxiliary hydraulic pumps for use in complementary hydraulic systems.
• A complete family of control options is available to suit a variety of control systems (mechanical, hydraulic, electric).
• Series 90 motors also use the parallel axial piston/slipper design in conjunction with a fixed or tiltable swashplate.
• They can intake/discharge fluid through either port; they are bidirectional.
• They also include an optional loop flushing feature that provides additional cooling and cleaning of fluid in the working loop.

• A wide range of Series 90 controls and sensors are PLUS+1 compliant.
• PLUS+1 compliance means our controls and sensors are directly compatible with the PLUS+1 machine control architecture.
• Series 90 pumps to your application using PLUS+1 GUIDE software is as easy as drag-and-drop.
• Software development that used to take months can now be done in just a few hours.

Series 90 Design

Series 90 Pictorial Circuit Diagram

System schematic

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