How Does a Scotch Yoke Actuator Work?
The Scotch yoke actuator converts rotary motion into linear motion through an ingenious and simple mechanism.
Step 1: Scotch yoke actuator consists of a crank arm connected to a slider.
Step 2: As the crank arm rotates, it moves the slider back and forth in a linear path.
Step 3: This motion is then transferred to the valve stem, allowing for precise control of the valve’s position.
When we look at the applications of Scotch Yoke actuators, we have to mention their versatility and adaptability.
Let’s take a closer look at the applications of scotch yoke actuators on different types of valves…
What valves are canted scotch yoke actuators used on?
Canted scotch yoke actuators are known for their high starting torque and lower running torque, making them suitable for butterfly valve control, especially those operating under low pressure.
This type of actuator effectively opens and closes butterfly valves, ensuring precise and reliable fluid control.
What valves are symmetrical scotch yoke actuators used on?
Symmetrical scotch yoke actuators feature a more balanced torque curve and are primarily used for controlling ball valves and plug valves.
This design allows for even torque application, ensuring smooth operation of the valves, reducing wear, and extending the lifespan of the valve.
In summary
Scotch yoke actuators are versatile devices that can be tailored to control various types of valves, including butterfly, ball, and plug valves, depending on their specific design and application requirements.
