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Bettis BHH Series Hydraulic Valve Actuator (Discontinued Product)
The Bettis BHH Series is a hydraulic helical valve actuator.
This series has been discontinued.
Bettis BHH Series Hydraulic Valve Actuator (Discontinued Product)


Power Source
Product Type
Hydraulic Actuator
Quarter-Turn, Double-acting ,Spring-return, Helical Spline

This product is only intended for use in large-scale fixed installations excluded from the scope of Directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS 2).
Control Type
On/off, ESD
Valve Type
Ball, Butterfly, Plug, Triple Offset, Easily adapted to all types of quarter-turn valves, dampers or louvers
Operating Temperature
Standard -20°C to +80°C(-5°F to +180°F). Consult factory for low-high temperatures.
1,000 to 142,000 in-lbs at 2,000 psi
Operating Pressure
40 to 207 Bar, 580 to 3,000 psi


  • Using the multiple helical spline engagement with reciprocal splines on the piston, the high torque output is constant throughout the 90 degree rotations
  • Can operate in the most severe conditions, from high vibrations to severe environment locations
  • Mounting positions are numerous, with the models ready for direct mount modular control functions
  • Compact and concentric - small footprint to torque ratio
  • High water ingress protection IP68
  • Integrated crossover design