Understand the basic knowledge of flanged pipe fittings
Release time:
Apr 12,2023
Flanged pipe fitting is an important component that connects pipelines, pipelines and equipment, and pipelines and valves. It is usually composed of disks, washers, bolts and nuts. Can be divided into welded pipe fittings, threaded pipe fittings and mortise and tenon fittings. The connection part of the welded pipe fittings is directly welded, which is easy to install. The connection mode of the threaded pipe fittings is threaded connection, which has the advantages of convenient disassembly. The connection mode of mortise and tenon pipe fittings is to complete the connection through the mortise.
The advantage of using flanged pipe fittings is that they can connect pipes, equipment and valves more firmly, so that the safety of the conveying medium can be better ensured and leakage can be effectively prevented. In addition, the pipe fittings are of good quality, strong corrosion resistance, long service life, service life of more than 30 years, not easy to damage, convenient maintenance and other advantages are loved by the majority of users. Understanding the characteristics of pipe fittings is very important for selecting the appropriate pipe connection components, which can improve the safety and stability of the pipe system. With the continuous development of industrialization, pipeline equipment has been widely used in all walks of life. As an indispensable part of the pipeline system, the pipe fittings have a wide range of applications. So, why do we choose to use pipe fittings?
Flanged fittings for flexibility. It can be exchanged through different types of flanges, which is easy to install and disassemble; at the same time, the pipe fittings can be easily connected to different materials, different diameters and even different types of pipes. It has corrosion resistance. Traditional pipe connections require multiple welds or threaded connections, which are prone to corrosion and accelerate pipeline aging. The pipe fittings can be manufactured by full-fly cutting, which avoids defects during welding and improves corrosion resistance. Sealed structure is adopted. This structure can ensure that the pipeline system has good sealing performance, reduce the risk of leakage, thereby improving safety.
In general, flanged pipe fittings have the advantages of flexibility, corrosion resistance and sealing. Obviously, it is a pipe connection with outstanding performance and has a very wide range of application prospects. Pipe fitting is a very common and important type of pipe connection. According to different use scope and installation methods, flange pipe fittings also have their own classification. Fittings can be classified according to nominal pressure. According to ISO, JIS, ANSI, GB and other standards, the nominal pressure of pipe fittings is divided into 10K, 16K, 20K, 30K, 40K grades, and the pressure standards at all levels correspond to different working pressure ranges. Fittings can be classified according to nominal diameter. Nominal diameter refers to a standard for indicating diameter commonly used in pipeline installation. According to the nominal diameter, flange fittings are divided into DN15, DN20, DN25, DN32 and other levels.
Flange fittings can also be classified according to the installation method. Under normal circumstances, flange pipe fittings can be divided into thread, butt welding, core pulling, flat butt flange and live flange and other categories, the specific scope of use and the effect is also different.
In summary, there are many types of flange fittings, each with its own characteristics and application scenarios. When choosing flange pipe fittings, we need to make specific analysis according to different situations, and choose very suitable pipe fittings to better ensure the connection safety of the pipeline system.
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