What is a large diameter flange?
Large diameter flange is one of the flanges. It refers to the flange that exceeds the size specified by the relevant national departments, and generally refers to the flange above DN2000. It is widely used and promoted in the machinery industry, chemical industry, wind power industry, and sewage treatment industry, and has been praised and favored by users.
The production process of large diameter flange mainly includes forging, casting, cutting and rolling. It can be divided into flat welding flange and butt welding flange. Large diameter flat welding flange has poor rigidity and is suitable for the occasion with pressure p ≤ 4MPa; Butt welding flange, also known as high neck flange, has greater rigidity and is suitable for the occasion with higher pressure and temperature.
Haihao Group is a factory specializing in the production of casting flanges, pipe fittings and other products. With more than 40 years of production experience, Haihao can produce large diameter flanges with excellent performance. Whether it is flat welding flanges or butt welding flanges, Haihao has the ability to produce. At the same time, Haihao has rich experience in project cooperation, and the large diameter flanges produced are widely used in the wind power industry and chemical industry. If you are interested in large diameter flanges, please feel free to consult us.