Axial piston variable displacement pumps, Series 20, are of swash plate construction with variable flow capatibility suitable for
hydrostatic transmissions with closed circuit. The flow rate is proportional to the pump´s driven speed displacement, which, in
turn, is determined by the swash plate angle. The latter is infinitely adjustable between zero and maximum displacement. Flow
direction is reserved by titting the swash plate to the opposite side of the neutral or zero displacement position.
Axial piston variable displacement pumps, Series 20, are well - engineered and easy handle. The full - lenght shaft with a highly
efficient tapered roller bearing arrangement offers a high loading capacity for external radial forces. Additional pumps can be
built on. The hydro - mechanical servo displacement control maintains the selected swash plate position and hence pump dis
placement. Upon release of the control handle, the swash plate automatically returns to the null positions and the flow becomes
zero. High case pressures can be achieved without leakage even a t the lowest temperatures by using suitable shaft seals. The
servo valve arrangement offers the facility to incorporate function regulators and remote control systems. Axial piston units are
designed for easy servicing, complete dismanting and disassembly can be carried out with standard hand tools, and all compo
nents or sub - assemblies are replaceable.
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