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V40D Series Swash-plate Type Axial Piston Variable Displacement Pump

Series of pictures

design for hydrostatic drives in closed circuit, high pressure, high speed, high reliability, low noise, can be applied in engineering machinery, mobile machinery and agricultural machinery.

Specifications:23/28/32 cc/rev

Rated pressure:250/345/345 bar

Peak pressure:300/380/380 bar

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Serial Advantage

  • Variable axial piston pump of swashplate design for hydrostatic drives in closed circuit. 

  • The flow is proportional to the drive speed and displacement. The flow increases as the angle of the swashplate is adjusted from zero to its maximum value. 

  • Flow direction changes smoothly when the swashplate  is moved through the neutral position. 

  • Two pressure-relief valves are provided on the high pressure ports to protect the hydrostatic transmission  (pump and motor) from overload. 

  • The integrated charge pump can provide system replenishing and cooling fluid flow. 

  • High reliability, long working lifetime.

  • Compact structure, high power density.

Technical Specification

Size232832
Displacement cc/rev232832
SpeedRated   rpm330034003400
Max. rpm360040004000
Min. rpm500500500
PressureRated   (bar) (relative to Charge pressure)250345345
Max. (bar) (relative to Charge pressure)300380380
Min. low loop pressure(bar) (relative to Charge   pump)101010
Charge pressure (relative to   Charge pump)Min.   (bar)201616
Max. (bar)303131
Control Pressure (relative to Charge pump)Min.   (bar) (EDC control)(bar)-2424
Charge pump displacement (cc/rev)5.3/9.49/129/12
Casting pressureRated   (bar)1.533
Max. (bar)(Short-time peak pressure)2.555
Suction pressure ( Absolute pressure )Rated (bar)Oil   viscosity ≤ 30mm2/s0.80.80.8
Max. (bar)222
Oil viscosity (mm2/s) 10~1000, Best range: 16~36
Oil Temperature (℃ )-20~95
Oil CleanlinessISO 4406 20/18/15 or higher
Weight ( w/o auxiliary flange ) (Kg)153232

Application Industry

Be mainly used inAgricultural machinery,Material Handling,Construction Machinery
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