Bettis BHH

Hydraulic ActuatorThe Bettis™ BHH is a hydraulic double-acting and spring-return helical quarter-turn actuator.

This actuator is compact and concentric with a proven design that provides space savings and reliability.


  • Using the multiple helical spline engagement with reciprocal splines on the piston, the high torque output is constant throughout the 90 degree rotations. Converts hydraulic energy into rotation, with torque output proportional to the supply pressure.
  • Can be operated in the most severe conditions, from high vibrations to severe environment locations.
  • Easily adapted to all types of quarter-turn valves, dampers or louvers. The mounting positions are numerous, with the models ready for direct mount modular control functions.

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