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Rexroth AA4VSO

Rexroth AA4VSO

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Variable displacement axial piston pump (A)A4VSO in swashplate design is available for open circuit applications. Sizes 40 & 71 are available in Series 10; sizes 125-250 are available in Series 30 and have the U99 Universal through-drive with coverplate. The flow is proportional to the input drive speed and displacement. By adjusting the swashplate angle, it is possible to infinitely vary the output flow. This rugged, low-noise pump is generally used in industrial 24/7 applications. A version with special bearings (code “F”) for water-content fluids up to 5000 psi and 1800 rpm is also available.Variable displacement axial piston pump AA4VG, Series 32 in swashplate design is for hydrostatic closed circuit transmissions. The flow is proportional to drive speed and displacement which is infinitely variable depending on the swashplate angle. The pump is equipped with two pressure relief valves on the high pressure ports to protect the transmission from overload.Variable displacement axial piston pump (A)A4CSG is designed for hydrostatic drives in a closed circuit. The flow is proportional to the drive speed and displacement of the pump, which can be made infinitely variable through control of the swashplate angle. The (A)A4CSG features integrated boost pump and valving required for closed circuit operation which acts as both a feed pump and pilot pressure supply.

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