The production process of large-diameter flanges
Published Time:
2025-04-21
Large diameter flanges are a type of flange, widely used and promoted in the machinery, chemical, wind power, and sewage treatment industries, receiving positive feedback and favor from users. Large diameter flanges have a wide range of applications. Production processes are divided into rolling and forging.
Large-diameter flanges are a type of flange, widely used and promoted in the machinery, chemical, wind power, and wastewater treatment industries, receiving positive user reviews and favor. Large-diameter flanges have extensive applications. Production processes are divided into rolling and forging; extra-large ones can only be rolled. Materials include carbon steel, stainless steel, and alloy steel. Common large-diameter flanges include weld neck flanges and slip-on flanges. Threaded flanges do not have large diameters. In actual production and sales, slip-on products account for a larger proportion. The structure and application range of large-diameter slip-on flanges and large-diameter weld neck flanges are different, and the characteristics and advantages they exhibit will also be different. Therefore, when using them, different ranges should be considered to ensure that the flanges play an important role.
Large-diameter slip-on flanges have poor steel rigidity and are suitable for occasions with pressure p≤4MPa; weld neck flanges, also known as high-neck flanges, have greater rigidity and are suitable for occasions with higher pressure and temperature. There are three types of flange sealing surfaces: flat sealing surface, suitable for low pressure; concave-convex sealing surface, suitable for slightly higher pressure occasions; and tongue-and-groove sealing surface, suitable for flammable, explosive, toxic media, and higher pressure occasions. Flanges with different properties have good product performance in different fields, and are suitable for different occasions and spaces, resulting in different effects.
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