A pneumatic vane actuator is a type of pneumatic actuator that uses compressed air to convert linear motion into rotary motion. It consists of a housing, a rotor with a vane that slides within the housing, and a shaft that connects the rotor to the valve or other device being controlled.
When compressed air is supplied to the inlet port of the actuator, it pushes the vanes outwards, causing the rotor to rotate. The rotation of the rotor is transferred to the shaft, which in turn moves the valve or other device. When the compressed air is released from the inlet port, air applied to the return port (or a spring) pushes the vanes back, returning the rotor to its original position.
Industrial pneumatic vane actuators are commonly used in various industrial applications, such as in process control, power plants, and HVAC systems, to control the flow of fluids, air, and gases. They are also used in oil and gas, water treatment, and chemical processing plants.
The advantages of industrial pneumatic vane actuators include their ability to provide precise control, high speed of operation, and ease of maintenance. They are also relatively inexpensive and widely available. Vane actuators are smaller and more compact compared to other types of pneumatic actuators, such as piston actuators, which makes them well-suited for tight spaces. A vane-type pneumatic actuator has only one moving part because it consists of a single vane that rotates within the housing. The vanes assembly is the only component that moves within the actuator, making it more reliable, and it requires less maintenance than other types of actuators with multiple moving parts.