Large caliber flange production characteristics use
Time：
2024-10-26
Large diameter flanges can be divided into: small flanges, medium-sized flanges, large flanges by size. According to the type of connection can be divided into: plate flat welding large diameter flange flange, with strong flat welding flange, butt welding flange, socket welding flange, threaded connection large diameter flange flange and so on, here focuses on the process of making a large flange and its use.
Large diameter flanges can be divided into: small flanges, medium-sized flanges, large flanges by size. According to the type of connection can be divided into: plate flat welding large diameter flange flange, with strong flat welding flange, butt welding flange, socket welding flange, threaded connection large diameter flange flange and so on, here focuses on the process of making a large flange and its use.
Large diameter flange is one of the flanges, commonly used and promoted in the machinery industry, the user's praise and favor. Large diameter flange is widely used, the scope of use is determined according to different characteristics, and it is mostly used in the case where the medium conditions are more moderate, such as low-pressure non-purified compressed air, low-pressure circulating water, and it has the advantage of being cheaper. Rolled flange is suitable for steel pipe connection with nominal pressure not more than 2.5MPa, the sealing surface of rolled flange can be made into smooth type, concave-convex type and tongue and groove type three kinds. Smooth type rolled flange has more applications, the other two ways of rolled flange is also more common in the use. Rolled flanges include many kinds of types and models, butt-welding steel flanges are used for butt-welding of flanges and pipes, which are mainly used in welding technology, showing good use of characteristics and performance, with reasonable structure, high strength and stiffness, withstanding high temperature and high pressure and repeated bending and temperature fluctuations, and reliable sealing, and the rolled flanges with a nominal pressure of 0.25-2.5MPa adopt concave-convex sealing surface. Rolled flange main application of the environment is appropriate, need to be determined according to the specific circumstances, to ensure that the specific use of large diameter flange value and performance, withstand high temperature and high pressure.
Large rolled large-diameter flanges are cut into slats with a center plate, and then rolled into a circle. Then process the waterline, bolt holes and so on. This is generally a large flange, large size can be done 7 meters. Such flanges have good quality assurance. Because the raw material is a plate, good density. Material has carbon steel, stainless steel, alloy steel, etc..
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