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The SAI group is well known internationally as a leader in the research, development and production of hydraulic radial piston motors, brakes and gearboxes.

Characteristics of SAI motors:

1. HIGH STARTING TORQUE

  • High starting torque efficiencies at high pressures
  • Less energy wastage and heat generation, fuel consumption reduction especially with frequent stop‐start work cycles
  • Enables large obstacles and steep slopes to be overcome easily

2. WIDE SPEED RANGE

  • Wide specific speed ranges
  • Good low and high speed characteristics

3. HIGH VOLUMETRIC EFFICIENCY

  • Volumetric efficiencies in all operating conditions
  • Seal design ensures volumetric efficiencies not affected even if components become worn with use

4. CAVITATION RESISTANCE

  • Retaining force of piston retaining rings prevents separation of piston from the shaft
  • SAI design enables the motor to run without oil in the pistons

5. HIGH POWER DENSITY

  • High mechanical efficiencies combined with high pressure and high speed capabilities of motor results in high power output
  • Compact dimensions, higher precision and an extremely wide operating range for the machines

 

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