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Bettis Actuators Bettis Actuators
Bettis VOS PAC

Bettis has Decades of Innovation and Field Proven Actuation Technology

Safe, reliable and field-proven actuation technologies for pneumatic, hydraulic, electric actuators and gearboxes that suit many types of applications and specifications.
Bettis EHO Electro-Hydraulic Operator
Ensure Safety and Reliability

Bettis EHO Electro-Hydraulic Operator

Designed to provide fail-safe actuation for Emergency Shut Down (ESD) valves.
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Bettis Family of Products

Scotch Yoke

Cornerstone has the Bettis actuator inventory, experience and customized capabilities to find the optimal solution for your valve automation needs.


Bettis Electric Actuators

Smart reliable electric actuators that safely automate multi-turn, quarter turn, and linear valves.  Over 65 years of field service, reliability that you can trust.
Bettis RPE

Bettis Pneumatic Actuators

Bettis Pneumatic Actuators offer reliable torque to automate valves for a wide range of industrial applications, from big to small, hot to cold, general to severe.