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torsionally flexible coupling / engine / misalignment correction / high-performance



  • Type:

    torsionally flexible

  • Product applications:


  • Other characteristics:

    misalignment correction, high-performance, high-speed

  • Installation system:


  • Torque:

    Max.: 176,000 Nm (129,810.9383

    Min.: 26,500 Nm (19,545.397

  • Rotational speed:

    Max.: 2,350 rpm (14,765.49 rad.min-1)

    Min.: 900 rpm (5,654.87 rad.min-1)


Flexibly mounted engines, rigidly mounted engines

VULKAN Couplings has continued the success of the ACOTEC range with the launch of the RATO R +. The proven principle of construction of the standard RATO R was retained with the ACOTEC variant. Utilization of same parts with the proven and field-tested RATO R guarantees highest levels of functional reliability. The RATO R+ coupling has been specially designed for the use in installations requiring a high level of torsional flexibility and misalignment capacity. Inherent features of the design include high dynamic load capacity and good rotational dynamic properties due to the low rotating inertias. The area of application is primarily high-speed main/PTO systems driven by a diesel engine or electric motor.

- Smaller coupling with greater power density provides a good price-performance ratio
- With low rotating masses, it is optimised for the trend towards high-performance and high-speed engines
- Thermal resistance and lower ageing effects of the ACOTEC elastomer ensures long service life
- Maximum flexibility in providing a solution considering that it can be easily integrated in different systems