Pneumatic Rotary Actuator
At WOGS, we supply durable and efficient pneumatic rotary actuators designed to automate the operation of quarter-turn valves, including ball valves and butterfly valves. By using compressed air to generate rotary motion, these actuators provide fast, reliable, and repeatable valve actuation, making them ideal for on/off or modulating flow control.
Pneumatic rotary actuators are widely used in oil and gas, chemical processing, water treatment, HVAC, and general industrial automation, where dependable valve performance and remote control are essential for process efficiency and safety.
What Is a Pneumatic Rotary Actuator?
A pneumatic rotary actuator converts the energy of compressed air into rotational movement, turning a valve stem through a defined angle — usually 90 degrees. This allows valves to open or close quickly and securely. These actuators can be single-acting (spring return) or double-acting, depending on system requirements for fail-safe positioning and control precision.
Types of Pneumatic Rotary Actuators We Offer:
Single-Acting Pneumatic Rotary Actuators — Spring return design for automatic fail-open or fail-close operation.
Double-Acting Pneumatic Rotary Actuators — Use air to open and close, providing balanced force and fast cycle times.
- Vane Type Rotary Actuators — Simple, cost-effective design with smooth rotation for light-duty and compact applications.
Rack-and-Pinion Rotary Actuators — Compact and robust, delivering consistent torque output.