Multi-Spring Pneumatic Control Valve, DN20-DN200, A216 WCB

We are a leading control valve manufacturer in China, providing high-quality valves and control actuators designed to meet a wide range of industrial applications.The Pneumatic Diaphragm Three-Way Regulating Valve features a multi-spring diaphragm actuator, a cage regulating mechanism, and an intelligent integrated locator. Designed for medium streaming and confluence, it comes pre-adjusted for zero and span, making it ready for immediate use upon connection to a gas source. Constructed from ASTM A216 WCB, this valve is available in sizes 3/4-8 inches (DN20-DN200), with pressure ratings ranging from PN16-PN100 (150-600 LB). Perfect for precise flow control in industrial applications, it ensures efficient operation and reliability across sectors such as petroleum, chemical, electric power, and metallurgy.