CSY Series

Scotch Yoke Actuator

Pnuematic rotary actuator for valve automation.

pneumatic rotary actuator

Cowan’s Scotch Yoke Valve Actuator has a modular design that allows customization to fit specific needs.


  • Double-Acting or Spring-Return
  • Torques up to 2,500,000 in-lb
  • Operating Pressure: 40 – 100 PSIG
  • Modular Design
  • Pneumatic Rotary Actuator
  • CSY Series: Pneumatic Rotary Actuator Torque Chart
    Complete the form to get a quote within 24hrs.

    Valve Compatibility

    Our Series CSY Scotch Yoke Actuator is compatible with any process valve that requires rotary motion.

    Learn More About: Valve Types

    knife gate valve actuator

    Butterfly Valve

    gate valve actuator

    Plug Valve

    Segmented Ball Valve

    Trunion Ball Valve

    Design & Materials of the Series CSY Scotch Yoke Actuator

    CSY Series: Pneumatic Rotary Actuator Design & Materials

    Modular Versatility

    CSY Series: Pneumatic Rotary Actuator - Modular Versatility

    Control and Monitoring Solutions

    Mounting Kits: ISO, MSS & Customized Patterns Available

    Mounting Kits

    Cowan valve mounting kits for our Scotch Yoke Actuator can be designed for any rotary valve. Mounting kits available in steel and stainless steel construction.

    Automation Packages

    Automation Package
    Integration of Control Accessories
    Solenoid Valves
    Pilot Valves
    Quick Exhausts

    Position Feedback
    Limit switches and position sensors
    Field-Adjustable for open and close indication
    Analog and digital feedback

    C-PAC: Cowan Pneumatic Control Manifold

    C-PAC Module: Cowan Pneumatic Actuator Control
    Compact, Versatile, Simple, Cost Effective
    Designed for Linear and 1/4 Turn Actuators
    Fail Close, Open, Last or Lock
    Cv up to 11.1

    Request a Quote

    Complete the form to receive a quote within 24 hrs.