Variable displacement pumps

A4CSG – Variable displacement pumps (Series 31 & 52)

(A)A4CSG
(Series 30 & 33)

Variable displacement axial piston pump in swashplate design

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.

Features

  • Sizes 255 & 500 cc
  • Nominal pressure: 5100 psi (350 bar)
  • Peak pressure: 5800 psi (400 bar)
  • Highly efficient with long service life
  • Compact design, short installation length
 
 
 



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