It might speed up the opening and closing of pneumatic ball valves. Set up involving the cylinder and the solenoid valve so the gas within the cylinder doesn't pass through the solenoid valve and is rapidly discharged. Rotary Actuators are available in two types, Rack and Pinion and Vane type. https://jaiden714br.blogoscience.com/19893665/pneumatic-actuator-ball-valve-things-to-know-before-you-buy