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Analysis of advantages and disadvantages of gland type loose sleeve expansion joint

Gland type loose sleeve Expansion joint Features: small size, light weight, good elasticity, convenient installation and maintenance. Installation will not only produce axial, transverse, meridional and angular displacement, but also be limited by the user's pipe is not concentric and flange is not parallel. It can reduce vibration and noise when working. The gland type loose sleeve expansion joint is mainly a kind of compensation element which uses the elastic element of the expansion joint to conduct effective expansion deformation to absorb the size change of pipes and pipelines. The expansion joint produced by our factory can be mainly used in mechanical displacement and heating displacement of pipeline system to absorb vibration and reduce noise. It can absorb displacement in all directions. Here is a brief description. For the expansion joint, we should pay attention to whether the direction is consistent with the direction of medium flow, and then whether the rotation plane of the expansion joint is consistent with that of the displacement rotation. Similarly, we prohibit the use of deformed expansion joint to adjust the installation of the pipeline, which will affect the normal service life of the expansion joint and increase the burden of the pipeline.

The gland type loose sleeve expansion joint can be divided into connection flange and welding flange. The low pressure small diameter has the wire connection flange, the high pressure and the low pressure big diameter uses the welding flange, the different pressure flange thickness and the connection bolt diameter and the quantity are different.

The flange connection of gland type loose sleeve expansion joint is widely used in industrial pipeline. In the home, the pipe diameter is small, and is low pressure, flange connection is not visible. If in a boiler room or production site, there are flange connected pipes and equipment everywhere. Flange connection is to fix two pipes, pipe fittings and equipment on a flange plate respectively, then add flange gasket and fasten them together with bolts.

The connection of gland type loose sleeve expansion joint is to fix two pipes, pipe fittings and equipment on a flange plate respectively. Flange gasket is added between the two flanges, and the connection is completed by bolt. Some pipe fittings and equipment have their own flange, also belong to flange connection. The flange is divided into threaded connection flange and welding flange. The low pressure small diameter has the wire connection flange, the high pressure and the low pressure big diameter uses the welding flange, the different pressure flange thickness and the connection bolt diameter and the number are different. According to the uneven pressure level, flange gasket also has different materials, from low pressure asbestos gasket, high pressure asbestos gasket to metal gasket. Single flange Force transfer joint The connection is convenient to use and can withstand greater pressure.

Shanghai Huanjing mainly produces force transfer joint, single flange force transmission joint and other force transmission joints. The connection of force transfer joint is to fix two pipes, pipe fittings or equipment on a flange plate respectively. Flange gasket is added between the two flange plates and bolted together to complete the connection. The force transmission expansion joint is divided into threaded connection flange and welding flange.

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