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Typically employed in low-pressure applications, slip-on (SO) flanges are a type of flange with a flat face on the sealing surface. The reason they are referred to as "slip-on" is that they are simple to slide onto the end of a pipe or fitting and then weld into position. In order to facilitate a smooth flow of liquids or gases, they also feature an inner diameter that has been bored out to match the outer diameter of the pipe.
The basics of these flanges, including their benefits, methods of operation, and available varieties, will be covered in this article.
A piping system's fittings and pipes can be connected securely and without risk of leakage thanks to SO flanges. Making sure the inner and outer diameters of the flange and pipe match, the first step in the operation is to slide the flange onto the end of the line. This preserves a constant flow channel and enables a seamless changeover.
After the part is properly positioned, the pipe is welded to it. Strong bonding between the flange and the line is produced by the welding, guaranteeing a dependable and long-lasting connection. Furthermore, to stop leaks, the flat face of the flange offers a sealing surface that is simple to match with gaskets or rings.
Easy attachment to the end of a pipe or fitting is made possible by the slip-on design, which eliminates the need for complex alignment techniques. This reduces installation time and labor, particularly when a large number of flanges are needed. Additionally, they can be gently modified after sliding onto the pipe, making it easier to position pipes or fittings properly.
Because of their comparatively simple design, SO flanges are less complicated to manufacture and need less money to produce than other varieties. They are perfect because of their affordability, particularly for projects with limited funds. Moreover, the decreased amount of welding material leads to financial savings on consumables such as welding wires or rods.
They are conveniently accessible in various sizes, materials, and pressure ratings, simplifying the search for the ideal flange that meets specific needs. Moreover, they exhibit compatibility with diverse types of pipes and fittings, allowing for versatility in their usage. This compatibility extends to various materials including carbon, steel, and alloy materials enabling seamless integration with different systems.
The design of SO flanges is simple and compact. In contrast to weld neck or socket weld flanges with projecting necks or socket extensions, they have a flat face. By reducing the flange's overall footprint, this design improves the piping system's capacity to utilize available space. In addition, their length is shorter than that of other varieties.
The sealing surface of standard, or raised-face, SO flanges has a raised face. By giving the gasket a platform, this feature guarantees a trustworthy seal between the flange and the nearby pipe or fitting. They are therefore ideal for low-pressure applications where the gasket may be sufficiently compressed by the bolt-tightening force to stop leaks.
The lap joint With an independent backing flange, SO flanges have a flat face. Next, the lap joint stub end is joined to the pipe by sliding the backing flange over the pipe end and aligning with it. Flexibility in alignment during installation or maintenance is made possible by this design's ability to rotate. Common applications for them include thermal expansion/contraction and systems that need to be disassembled frequently.
S.M.T Engineering provides a wide selection of slip-on pipe flanges that are suitable for many steel grades, including alloy, carbon, and stainless! We guarantee prompt availability with a well-stocked inventory, so you can have the necessary flanges right away. Our streamlined shipping procedures guarantee prompt and dependable delivery, keeping your project on schedule and under budget.
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