Jamesbury™ MGR manual actuators

Jamesbury manual actuators for reliable and economical operations

Jamesbury™ MGR manual actuators

Jamesbury MGR series manual gear actuator is a hand wheel operated worm gear actuator with high efficiency for greater output torque. Can be more convenient and require less space than lever handles.


Long life

Low maintenance

Easy to operate

Proven performance


  • Cast iron body with metal gears and bearings
  • ISO 5211 mounting pattern
  • Fully enclosed and weather-proof
  • Factory lubricated for their lifetime
  • Wide range of sizes and torque outputs
  • Many available options including low/high temperature, padlock flange, and oxygen, marine, or buried service
  • Adjustable stops for both open and closed positions
  • Highly visible position indication pointer


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