Triac Scotch Yoke

Steel Scotch Yoke Actuators - SY Series

  • Steel for Outstanding Corrosion Protection
  • Pneumatic Actuators for Quarter-Turn Valves and Dampers
  • Torques from 800 - 12,370 In-lbs.
  • Spring Return
  • Double Acting

Triac SY Series scotch yoke actuators by A-T Controls offer “workhorse” cycle operation. These rugged acutators are the compliment to the already trusted THD Series. The compact design offers options to adddress your quarter turn torque requirements.

The SY Series is a reliable way to automate quarter turn valves and provides options for accessory mounting and manual override operation. The design is modular and allows for easy rotation choices. Simply flip the actuator to achieve clockwise (CW) or counterclockwise (CCW) operation.

This design features a supported scotch yoke which is stabilized by significant body bearings for minimal wear. Various spring and pressure options allow you to achieve the torque balance you need. Increased efficiencies in this design give you the most actuator for the money.

SY Series Scotch Yoke Actuator

Rely on our Engineering team and solutions personnel to assist you with your applications. Contact us for application assistance.

For many applications, steel is just better.

These small steel scotch yoke actuators, compared to aluminum, provide better corrosion resistance in harsh environments such as marine salt water and petro chemical applications. Additionally, surface coatings adhere better than aluminum.

The actuator shown is featured on the A-T Controls Power Seal HPBV, but is also applicable for ball and plug valves and dampers. When your application calls for rugged and reliable valve actuation, rely on the TRIAC SY Series. In stock from A-T Controls.

Many sizes are in stock and ready to ship!

Call us today - 513-530-5175.

SY Small Steel Scotch Yoke Actuators
phone 513.247.5465    fax 513.247.5462
AVU Registrations, Inc. Management System Certificate
Certified to
ISO-9001: 2008
Canadian Registration Numbers
TA-Luft Certified Ball Valves
Firesafe Certified Ball Valves
API 607
4th Edition

Valves & Actuators
ABS Approved

CSA Group
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A-T Product Overview > Valves, Actuators and Automation Controls