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Liebherr DMVA Hydraulic Axial Piston Motor

DMVA Liebherr Hydraulic Axial Piston Motor

Liebherr DMVA Hydraulic Axial Piston Motor

Rexton Hydraulic is a wholesale supplier and repair service provider of Liebherr DMVA Hydraulic Axial Piston Motor series including all sizes, models and specifications. Liebherr DMVA is constructed as swashplates for open and closed circuits and specially designed for mobile machineries.

  • Variable Displacement Motor, Flange Mounted Motor, Open / Closed Circuit
  • Series DMVA
  • Model Sizes : DMVA108 / DMVA165 / DMVA215 / DMVA370
  • Nominal Pressure 450 Bar 6,526.70 psi
  • Maximum Pressure 500 Bar 7,251.89 psi
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Liebherr DMVA Hydraulic Axial Piston Motors are designed as swashplates for open and closed circuits, that is specially constructed for mobile machinery .  It has a very high power density and the inverse drive with a swivel angle of 22° is very efficient, making it ideal for applications that require a variable displacement to hydraulic motor.

These are also called flanged variable displacement double motors, available in nominal sizes from 108 to 370. The nominal pressure of the units is 6,527 psi (450 bar) and the maximum pressure is 7,252 psi (500 bar) absolute.

The through-drive capacity can be used for mounting a brake or tandem units (axial piston multi-circuit motor). Liebherr DMVA series is available with the most common controls, features an impressive performance and efficiency.

Technical Specifications

Specifications

Normal size 108 165 215 370
Nominal pressure [pN] [bar] 450 450 450 450
Maximum pressure [pmax] [bar] 500 500 500 500
Displacement volume Vg max cm3 107.7 167.8 216.5 371.2
Vg min cm3 0 – 80% of Vg max, value specified
in [cm3/rev]
Other values upon request
Displacement flow at nmax qvmax 1/min 361 503 584 891
Max. speed at Vg max and Δp* = 430 bar nmax rpm 3350 3000 2700 2400
Max. speed at Vg max = 0.65 and Δp = 200 bar nmax rpm 5125 4590 4100 3000
Output torque at Vg max and Δp* = 430 bar Mmax Nm 737 1149 1481 2243
Torq constant at Vg max MK Nm/bar 1714 2.67 3446 5908
Output power at qvmax and Δp* = 430 bar Pmax kW 259 361 419 564
Torsional rigidity Nm/rad * 103 266 353 511 961
Driving gear moment of inertia JTW kgm2 0015 0.0313 0047 0.13
Weight (approx.) m kg 70 80 120 195
The stated values (maximum values) are theoretical values, rounded, and without efficiencies or tolerances.

Product Models

Model Sizes : DMVA108 / DMVA165 / DMVA215 / DMVA370

Data Link

Datasheet 1 Datasheet 2

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