What is a key benefit of using a double acting cylinder in pneumatic applications?

In pneumatic applications, a double acting cylinder is designed to create motion in both the extending and retracting phases of its operation. This mechanism utilizes compressed air to push the piston in one direction while also using air pressure to return the piston to its original position. The ability to control the movement in both directions allows for greater versatility and efficiency in applications requiring linear motion.

By employing air pressure for both extending and retracting actions, double acting cylinders can deliver consistent performance and control, enabling precise positioning of components in various tasks, such as automation and machinery operation. This dual action is a significant advantage over single acting cylinders, which only move in one direction and rely on other means, such as springs, to return.

This functionality is essential in many industrial processes and further emphasizes why option B accurately highlights the key benefit of using a double acting cylinder in pneumatic applications.