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Rotary Actuators

Tooth by Tooth the Hydraulic Way

For limited rotary motion at a constant torque, highly developed single and double rack actuators for all fields of engineering are manufactured by Hunger.

Standard and special constructions up to 190,000 Nm and 720° rotary angle have been used successfully many years.

Brochure Rotary Actuators

or request a free copy under Contact.

Single Piston Rotary Actuator

Single Piston Rotary Actuator

Technical Data:

  • High torques up to 50,000 Nm
  • Swivel angle up to 720° with adjustable swivel angle limit and final position damping
  • Primary shaft one- or both-sided with feather keys, spline gearing or EV-gear (DIN 5480)
  • Flange or foot fixture
  • Rack sealing with Hunger slide ring piston seal
  • Special slideway lining for maintenance-free operation
  • Precise level control guaranteed through leakage free support in every position
  • Device for distance or angle measuring
Double Piston Rotary Actuator

Double Piston Rotary Actuator

Technical Data:

  • Double piston version designed for high torques up to 200,000 Nm
  • Swivel angle up to 720° with adjustable swivel angle limit and final position damping
  • Primary shaft one- or both-sided with feather keys, spline gearing or EV-gearing (DIN 5480)
  • Flange or foot fixture
  • Rack sealing with Hunger slide ring piston seal
  • Special slideway lining for maintenance-free operation
  • Integrated control unit for regulated rotation
  • Device for distance or angle measuring

Special Rotary Actuators

Our team of qualified Engineers will be at your disposal with competent advice, offers and service for the prompt execution of and individual solutions regarding your enquiries. We would be glad to advise you on your specific problems and to work out proposals in consideration of your working conditions. Please fill in our Rotary Actuator Questionnaire.

Rotary Actuator Questionnaire

Rack and Pinion