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    HP3G 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 Aerial work platform.

    Specifications:46 cc/rev
    Rated pressure:345 bar
    Peak pressure:385 bar

    Configuration model/order number

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    Series advantages

    • 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 specifications

    Size46
    Displacement cc/rev45.9
    SpeedRated rpm3000
    Max. rpm4100
    Min. rpm500
    Pressure

    Rated (bar) (relative to Charge pressure)

    345

    Max. (bar) (relative to Charge pressure)

    385

    Min. low loop pressure(bar) (relative to Charge pump)

    10
    Charge pressure (relative to Charge pump)Min. (bar)6
    Max. (bar)31

    Control Pressure (relative to Charge pump)

    Min. (bar) (EDC control)(bar)21.5
    Charge pump displacement (cc/rev)13.9
    Casting pressureRated (bar)1.7

    Max. (bar)

    (Short-time peak pressure)

    5.2

    Suction pressure ( Absolute pressure )

    Rated (bar)

    Oil viscosity ≤ 30mm2/s

    0.8
    Max. (bar)6
    Oil viscosity (mm2/s) 
    10~1000, Best range: 16~36
    Oil Temperature (℃ )
    -20~95
    Oil Cleanliness
    ISO 4406 20/18/15 or higher
    Weight ( w/o auxiliary flange ) (Kg)33




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