We are a premier control valve manufacturer in China, delivering high-quality valves and control actuators designed to meet the diverse needs of various industries.Introducing our Spring-Return Pneumatic Control Valve, equipped with an Electro-Pneumatic Positioner for precise flow control. This 4-inch valve ensures reliable and efficient operation in various industrial applications. The spring-return feature offers fail-safe performance, returning the valve to a predefined position in case of air supply loss. The electro-pneumatic positioner enables accurate control of the valve's position based on the input signal, making it ideal for applications requiring precise automation. Designed for durability and performance, this valve is suitable for industries such as chemical, oil & gas, and water treatment.For more，know more about China Manufacturers.