Pneumatic Butterfly Valves are commonly used in industrial fluid control, and their fast response and efficient operation have made them a core piece of equipment in a variety of industries. However, in order to ensure the long-term stable operation of Pneumatic Butterfly Valves, regular maintenance and repair are essential. In this article, DELCO Valve will introduce the common problems, maintenance methods and specific recommendations for extending the life of Pneumatic Butterfly Valves.