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Damper actuator with spring return

ASF 122, 123

Damper actuator with spring return

How energy efficiency is improved

Overload protection and end stop detection for efficient usage of energy


  • For operating air dampers, shut-off dampers, butterfly valves and multi-leaf dampers

  • For controllers with switching (2- and 3-point) output

  • Self-centring spindle adapter

  • Manual adjustment using hexagon socket, including locking of gear unit

  • Wear-free brushless motor

  • Maintenance-free

  • Change direction of rotation by simply turning the actuator

  • Suitable for all fitting positions

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