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Electric valve actuator / rotary / spring-return / for control of shut-off
135-6 series Hansen Corporation


  • Type:


  • Movement:


  • Technology:


  • Other characteristics:

    for control of shut-off

  • Torque:

    Min.: 0 Nm (0

    Max.: 1 Nm (0.74


For simple 2 position control Hansen offers our ultra-quiet spring return actuator that incorporates the Whisper Motion air brake on the always reliable Synchron AC motor. The air brake add virtually no resistance during the power open cycle but adds drag during the spring return cycle that reduces kinetic energy by 40%. The slower speed results in longer motor life and quieter operation. The name Whisper Motion was chosen to emphasize the consumer benefits for residential and office installations.


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