What is a C section? A C section steel is a steel section with a C-shaped cross-section, which has three sides and forms a “C” shape. This form of column is weaker than other columns, but it also reduces the cost of the project, and is automatically formed by a C-beam forming machine ...

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Leakage accidents caused by flange interfaces in petrochemical plants are also increasing, causing great harm to plant operation. In this paper, we analyze the causes of flange leakage, introduce the concept of flange management, propose specific process control measures and reasonable bolt tighten ...

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In the design of ship pipeline, in order to prevent the influence of thermal expansion and cold contraction of the pipeline on the pipeline, the pipeline flexibility must be considered when designing the long pipeline; Expansion bend and expansion joint are two common design schemes for increas ...

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What is a pipe reducer? A pipe reducer is a device that connects two pipes of different diameters. It’s often used to change the size of a pipe, allowing it to function properly with another pipe of a different size. Reducers are also known as “step-downs” or “cone ...

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What are pipe elbows? Pipe elbows are fitting accessories which are usd widely in various industrial sectors in pipe fittings. A pipe elbow is frequently used in pressurized applications and is available in various shapes and sizes for use in different applications. They are mainly used to conne ...

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The leakage of C4 feed line elbow of the hydrogenation unit is caused by the common oxygen absorption corrosion in the electrochemical corrosion of the outer wall of the pipeline. The pipeline is in a humid environment for a long time, causing serious thinning of the pipe wall, which eventually ...

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Neck flange, also known as long neck flange and high neck flange, is a disc shaped part, which is mainly used to connect pipes. It has been widely used in petrochemical, urban water supply and power systems. In recent years, with the planning and construction of ultra-high voltage transmission line ...

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Welding process of steel pipe and flange Manual arc welding or CO2 gas shielded welding shall be adopted for the welding between steel pipe and flange. The depth of the undercut shall not be greater than 0.5mm, the total length of the undercut shall not exceed 20% of the total weld length, and t ...

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What are pipe fittings? Pipe fittings (also known as pipe connectors) connect one pipe to another in order to extend the pipe or change the flow direction of the media in the piping system. These pipes are used to combine, divert or reduce the flow of media. They have various sizes to fit the ...

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The design of an integral part of any building, which includes not only spatial planning, but also the installation of communication systems. Whether it is private residential or municipal real estate, the installation of water supply system is considered as a necessary condition for building ope ...

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Description and selection recommendations for steel flanges may require more than one page as the parts are used to provide the necessary tightness and connection strength, as described by purpose. Their design features small fasteners with center openings and edges. The size, shape, ...

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When calculating the flange stiffness index according to Pressure Vessels (GB 150.1-150.4-2011), under the same design conditions, the stiffness of flanges made of high-strength materials may be unqualified, while that of flanges made of high-strength materials may be qualified. Taking an equipme ...

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