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High Quality Orbital Hydraulic Motor for Direct Sale BM1

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Characteristic Features:

  •  Advanced design of spool and gerolor, which has small size and compact structure
  •  Special distribution flow system, can meet the requirements of low noise.
  •  Credible design of shaft seal, which can bear high pressure and be used in parallel or in series.
  • Direction of shaft rotation and speed can be controlled easily and smoothly.
  • Best combination of high efficiency and economy, suitable for medium load.
  • A variety of connection types of flange, output shaft and oil port.
















In order to make the BM1, BM2, BM3, BM4, BM5, BM6, BM7, BM8, BM9, BMM orbit hydraulic motors work in the best condition, we recommend:

  1. Oil temperature: Normal working oil temperature 20℃-60℃, Maximum system operating temperature 90 ℃, (not more than one hour)
  2. Filter and oil cleanliness: filter filtration accuracy is 10-30 microns, it is best to install a magnetic block at the bottom of the tank to prevent metal particles from entering the system. Working oil and solid pollution level must not be higher than 19/16
  3. Oil viscosity: the kinematic viscosity is 42-74mm²/s when the temperature is 40 ℃. Hydraulic oil can be selected according to the actual work and the ambient temperature.
  4. The motors can be used in series connection or parallel connection, when oil return port pressure is more than 10MPa (rotate speed is smaller than 200rpm), pressure relief must be done with the leakage port, it is best to connect the leakage port directly with the tank.
  5. The output shaft of BM5, BM6, BM7, BM8 and BM10 series motors can bear larger axial and radial loads.
  6. The optimum operating condition of the motor shall be 1/3 to 2/3 of the rated operating condition.
  7. For the maximum life of the motor, load the motor for one hour at 30% of the rated pressure. In any case, make sure the motor is filled with oil before loading the motor.



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