Shaped flange how to use?

　　Due to the different specific dimensions represented by the nominal diameter of the container cylinder shaped flange nominal diameter and pipe, so the same nominal diameter of the vessel flange and pipe flange, their size is not the same, not each other alternative.

　　In general, the special section is always divided into several sections of the arc processing. Firstly, the forging billet to billet, then forming arc, annealing to should be after heat treatment, roundness spell in car processing to the shape and size of the design, finally transported to the construction site, several arc welding assembly into complete shaped flange and the pressure vessel welding.

　　Profiled flange in the use and production of different production standards, in accordance with the corresponding standards of production and use, to ensure that the use of special shaped flange in the actual value and role.

　　Special shaped flange, which is widely used in the field of aerospace, petroleum, chemical industry and other large vessels, is a sealing and fastening part.