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Flat welding flange

Release Date: August 29, 2015
[Fake valve]:
The flat welding flange has a beautiful appearance and a smooth and smooth surface. It is mainly used for carbon steel pipe connection. Its nominal pressure does not exceed 2.5MPa.
304, 306 flat welding flanges are acid and alkali resistant, anti-corrosive, and have strong texture performance. They are opened with an oxygen furnace, forged or finished forging and cutting. to make.
The connection form of the flat welding flange includes single-sided welding and double-sided nut connection. Only one-sided welding is needed when welding. The inner mouth of the pipe and flange connection is not required. It is generally used for low and medium pressure pipes.
The sealing surface of the flat welding flange can be made into three types: smooth, concave-convex and tongue-and-groove. Among them, the smooth flange is the most widely used, and it is mostly used when the medium conditions are relatively mild, such as low-pressure non-purified compressed air and low-pressure circulating water.