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Valve Actuator · Limitorque

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JMB Series


The JMB series is a valve actuator based on the SMB series with an interlocking switch that shuts off electric currents in a manual setting.
In addition to the solid and highly accurate structure and complete control features, the superb design for maintenance will guarantee stable motions for a long time.
To meet the demands in a wide range of fields, we offer 8 unit sizes and abundant reduction gear ratio variations.


  • Manual/Electric switch feature (manual recovery)
  • Highly accurate geared limit switch
  • Highly functional torque switch
  • Complete control function
  • Highly durable gear train
  • Standard features of earth terminal/space heater
  • Easy maintenance

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