Sauer-Danfoss 90 series pump parts manual

Series 90 is one of many product series in Sauer-Danfoss, which features compact, high power density units. It includes an integral charge pump to provide system replenishing and cooling oil flow, as well as control fluid flow.

Here are the general specifications:

1、Direction of rotation: Clockwise, counterclockwise

2、Pipe connections: Main pressure ports: ISO split flange boss; Remaining ports: straight thread O-ring boss.

3、Recommend installation position：

①Pump installation position is discretionary; however, the recommended control position is on the top or at the side, with the top position preferred.

②Vertical input shaft installation is acceptable.

③If input shaft is at the top 1 bar case pressure must be maintained during operation.

④The pump housing must be filled with hydraulic fluid under all conditions; including after a long period of shutdown. Before operating the machine, ensure the pump housing and case drain lines are free of air.

⑤Recommended mounting for a multiple pump stack is to arrange the highest power flow towards the input source.

4、 Applicable scope:

①Series 90 hydraulic pump and motor can be applied together or combined with other products in a system to transfer and control hydraulic power. They are intended for closed circuit applications.

②Series 90 pumps can be used together in combination with other Sauer-Danfoss pump and motor in the overall hydraulic system.

Sauer-Danfoss hydraulic products are designed with many different displacement, pressure and load-life capabilities, it is the first choice for many companies. We are Elephant Fluid Power, We provide replacement hydraulic pump parts of all well-known brands including Sauer-Danfoss Series 90. As we all know, a complete family of control options is available to suit a variety of control systems (mechanical, hydraulic, electric). Therefore, as a professional piston pump parts manufacturer, we feature a range of auxiliary mounting pads to accept auxiliary hydraulic pump for use in complementary hydraulic systems. 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. All pump parts that we produced utilize the parallel axial piston/slipper concept in conjunction with a tilt able swash plate to vary the pump's displacement. Reversing the angle of the swash plate reverses the flow of oil from the pump and thus reverses the direction of rotation of the motor output.

If you have related needs, please feel free to contact us! Looking forward to cooperating with you!

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