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A Y-pattern bellows globe valve is a type of valve designed to regulate fluid flow in pipelines. The "Y-pattern" refers to the valve's body shape, which is angled in a "Y" configuration, allowing for smoother fluid flow and reduced turbulence. The bellows component is a flexible metal sleeve that provides a seal to prevent leakage of fluids, especially in high-pressure or high-temperature applications. This design is ideal for controlling flow in critical systems, such as those in chemical processing, power plants, or water treatment. The bellows also eliminates the need for packing maintenance, ensuring leak-free operation.

Forged steel bellows-sealed valves are ideal for high-performance applications that require high strength, resistance to pressure, temperature, and corrosion, along with long-term reliability. The forging process enhances the material properties of the valve body and bellows, making it a superior choice for industries that require leak-tight, durable, and efficient valve solutions. Bellows globe valves can be classified according to the material used in their construction.

Cast iron German standard globe valve is a valve that relies on the movement of the valve disc on the valve seat to control fluid flow. Its working principle is to adjust the cross-sectional area of the flow channel by changing the distance between the valve disc and the valve seat through the linear motion of the valve disc along the center line of the valve seat, thus achieving control and cutoff of the flow rate.

An API Bellows-Sealed Globe Valve is a specialized type of globe valve that meets the requirements of the American Petroleum Institute (API) standards, commonly used in the oil, gas, and petrochemical industries. The primary feature of this valve is the metallic bellows seal, which ensures that the valve stem area is sealed effectively, preventing leakage of hazardous fluids or gases.