Industry News

The Introduction of Large-diameter Valves

Published by jodith valve June 04,2024

Large-diameter valves are commonly used in piping systems, typically with sizes of DN200 and above. The valve sizes typically range from DN200 to DN3000, covering both general and specialized valves. Large-diameter valves are primarily used in petrochemical, power generation, metallurgy, chemical, water treatment, and other industries.


Large-diameter valves are suitable for high-flow, high-pressure applications. Their primary function is to control and shut off the flow of the medium in the pipeline to maintain the stability of the pipeline system and ensure the safety of the medium. Common large-diameter valves include globe valves, ball valves, check valves, butterfly valves, and others.


Large-diameter valve materials typically include carbon steel, stainless steel, cast iron, and ductile iron. Among these, cast iron is one of the most common materials. Its price is relatively low, but the service life is shorter. Stainless steel, on the other hand, offers excellent corrosion resistance and a relatively wide range of applications.


Large-diameter valves used in industrial processes require regular maintenance and servicing, including cleaning, lubrication, and overhauls. During the installation and use of the valve, it is essential to consider various factors, such as the installation location, piping standards, and operational methods, to ensure the valve functions correctly.


Large-diameter valves are versatile components that come in a wide range of sizes, making them widely used in piping systems across various industries. When selecting and using large-diameter valves, it is essential to choose and configure them appropriately based on specific industrial scenarios and requirements to ensure their safety, reliability, and extended service life.

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