A pneumatic butterfly valve operates by utilizing compressed air to adjust fluid flow through a rotating disc within the valve body. These valves are popular in various industries for tasks such as on-off control, throttling, or modulation, thanks to their quick response time, sturdy construction, and capability to manage high-pressure situations. Essentially, they feature a butterfly valve paired with a pneumatic actuator, which can either be single-acting—equipped with a spring return for added safety—or double-acting.
