Double acting pneumatic actuator is a mechanical device that is driven by air pressure to perform mechanical work. It is commonly used in various industries and manufacturing processes to control and drive the movement of fluids and solids.

Pneumatic actuators offer several advantages over hydraulic actuators, including higher efficiency, faster response time, and greater reliability. They can operate in a wide range of temperatures and humidity, and are not affected by water, oil, or other chemicals. Additionally, pneumatic actuators are smaller and lighter in weight, making them easier to install and move.

Double acting pneumatic actuators operate on the principle of pneumatics, which means they rely on the pressure of air to perform work. The actuator consists of a chamber, a piston, a valve, and a pressure gauge. When air is introduced into the chamber, the pressure exceeds the piston's capability, and the piston is pushed causing the mechanical movement of the actuator. The valve can be controlled to control the flow of air into and out of the chamber, allowing for the control of movement and operation.

Double acting pneumatic actuators are commonly used in a variety of applications, including process control, fluid handling, and machine automation. They are reliable, durable, and efficient, making them an ideal choice for many industrial and manufacturing processes.