How to correctly distinguish the texture of the forged flange

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How to correctly distinguish the texture of the forged flange

Release time：

2023-02-15

　　Forged flange is also a flange, it is designed and made on the basis of cast steel flange, and the strength is much stronger than the cast steel flange. Forged flange is a part of the connection between the pipe and the pipe, is connected to the end of the pipe parts, forged flange above the existence of holes, you can use bolts through the holes to connect the two flanges together, the two flanges will use the gasket seal between.

　　Forging flange connection is a detachable connection, according to its connected parts can be divided into container flange and pipe flange, etc., if in accordance with other ways to divide, can also be divided into integral type flange flange live sleeve flange threaded flange. Flange is a very easy to use flange products, in many occasions applicable.

　　High pressure forged flange quality is better, generally through the die forging production, crystal organization is fine, high strength. Forged flange makes a part of the tube and pipe interconnected, connected at the end of the tube. The forged flange has holes and bolts to make the two flanges tightly connected. Forged flanges are sealed with gaskets. Forged flange fittings are fittings with forged flanges. It can be cast, threaded or welded. A flange connection consists of a pair of flanges, a gasket and several bolts and nuts. The gasket is placed between the sealing surfaces of the two flanges, and after tightening the nut, the specific pressure on the surface of the gasket reaches a certain value and deformation occurs, and fills the unevenness on the sealing surface, making the connection tight and leak-free. Flange connection is a detachable connection. According to the connected parts can be divided into container flange and pipe flange.

　　According to the structure type, there are integral flange, flange and threaded flange.

　　Common overall flange has flat welding flange and butt welding flange. Gasket is a kind of plastic deformation, and has a certain strength of the material made of the ring. Most of the gaskets are cut from non-metal plates or made by professional factories according to the specified size, and the materials are asbestos rubber sheet, asbestos sheet, polyethylene sheet, etc. There are also thin metal plates (white iron, stainless steel) wrapped with non-metal materials such as asbestos to make the metal package gaskets, and there is a thin steel belt and asbestos belt together with the winding type gaskets.

　　Flat welding forging flange rigidity is poor, for pressure p ≤ 4MPa, butt welding flange also known as neck butt welding flange, carbon steel flange non-standard custom-made, rigid, for higher pressure and temperature occasions. Forging flange sealing surface type there are three: flat sealing surface, suitable for high pressure, medium non-toxic occasions, convex sealing surface, suitable for slightly higher pressure occasions, tongue and groove sealing surface, suitable for flammable, explosive, toxic media and higher pressure occasions. Of course, the price is also expensive. These two manufacturing methods belong to the flange commonly used manufacturing methods, depending on the strength requirements of the components to be used, if the requirements are not high, you can also choose to turn the system flange.