Compact Scotch Yoke Actuator
Series 98C Scotch Yoke Actuator
This compact scotch yoke actuator has been tested to withstand up to 1,000,000 cycles ensuring long-term performance and reliability. Hundreds of configurations meet a variety of application requirements making it suitable for various valve types and operational needs. Available in pneumatic, hydraulic or electro-hydraulic with torque output up to 17,701 lb-in (2,000 Nm).
Series 98C Scotch Yoke Actuator
Energy Efficient
The non-pressurized central body minimizes air consumption by using all instrumentation air to power the actuator, rather than filling the empty void of the torque housing. Reduced number of pressure seals contributes to a more robust and reliable actuator design, reducing potential for unintended air leak paths.
Series 98C Scotch Yoke Actuator
Adaptable Design for Easy Installation
ISO 5211 mounting patterns on the top and bottom of the actuator allows for flexible installation in Fail CW or Fail CCW orientation and perpendicular or parallel to the pipe without reconfiguring the actuator. Simply flip the actuator over to change fail directions. Dual male square drive stems provide easy integration with various valve types ensuring compatibility and reducing installation complexity.
Series 98C Scotch Yoke Actuator
Rugged and Durable Design
Self-lubricating PTFE bushings support the torque shaft and piston rod offering extended life and secure alignment. Dry film lubricated roller bearings provide smooth and reliable efficiency within the scotch yoke mechanism.
Series 98C Scotch Yoke Actuator
Advanced Sealing Technology
Quad seal rings and o-rings ensure long-term sealing reliability, reducing maintenance requirements and extending the product’s lifecycle.
Series 98C Scotch Yoke Actuator
Superior Corrosion Resistance
The honed and hardened chrome plated cylinder barrel and piston rod provides superior resistance to corrosion extending the actuators lifespan in challenging environments.
Series 98C Scotch Yoke Actuator
Accessory Mounting Flexibility
A standard NAMUR 3845 interface is quickly adjusted to support either Fail CW or Fail CCW configurations. Dual accessory mounting pads are available for attaching actuator accessories and controls which provides added functionality and ease of integration.
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