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What problems should be paid attention to when installing expansion joints

Time: 03-18 󰃯 Reading times: 648 󰃳 Editor in charge: The sea 󰃗 Column: product focus

Introduction: The installation of expansion joint (including gate valve with expansion joint) on the pipe can compensate for the expansion transformation and installation deviation of the pipeline, and reduce the damage caused by pipeline vibration to other machinery and equipment. This kind of joint is useful for pump station and pipe with strong vibration in industrial buildings

Install on top of pipe Expansion joint (including gate valve with expansion joint) can compensate for the expansion transformation and installation deviation of the pipeline, and can also reduce the damage caused by pipeline vibration to other machinery and equipment. This kind of connector is used in industrial buildings for pump stations and pipelines with strong vibration, which plays a key role in vibration reduction. In public buildings, it is connected with gate valve or machine equipment, and the key is to facilitate the maintenance of gate valve and machine equipment And replacement.
If the expansion joint installed at the inlet and outlet of the water pump and in the pipeline system software is not equipped with anti pull off and limit switch equipment (bolts), when the pipeline is in operation, the expansion joint will be extended by the investment (i.e. blind plate force) on the blind end of the pipeline, gate valve, reducer, elbow pipe and other pipes, which will promote the pipeline to cause certain drag deflection When the mouth pressure is high, it will cause a great investment along the pivot direction of the pipeline.
There are three problems in the installation of expansion joint
1. Pay attention to the sealing problem. For the connector products, the sealing problem has already become the same problem. However, for the expansion joint, the sealing problem can not be ignored. If the seal is not closed tightly, it will immediately damage the pipeline to produce water leakage, which is not allowed in the whole process of pipeline connection. Therefore, expansion joint must be connected Pay attention to the sealing problem to ensure no leakage.
2. Pay attention to the problem of expansion joint. The key to use expansion joint is to see that it has expansion capacity. The expansion amount of each expansion joint is different. In many cases, the expansion amount of expansion joint in pipeline connection is also different. Therefore, when installing expansion joint, it is more important to set the expansion amount of expansion joint, because the expansion amount size often will cause expansion Joint in the application of problems, and if the amount of expansion is not suitable, it is likely to cause damage to the expansion joint.
3. The expansion joint will be applied in many different natural environments, such as hanging in the air, such as vertical application. This kind of application will often cause the expansion joint to be destroyed. If the expansion joint is installed in a unique natural environment, it is necessary to carry out a unique solution to the expansion joint, so as to ensure that the installation of the expansion joint has no problem.
Luoying pipeline is a manufacturing enterprise of valve and pipe fittings integrating R & D, production and sales. It has more than ten years of experience in designing pipeline products and strong manufacturing capacity of pipeline supporting equipment Telescopic device Pipeline compensation joint, flue gas, air and pulverized coal pipeline Compensator (expansion joint), steam and water pipeline compensator (expansion joint), and Waterproof casing Rubber joint Corrugated compensator (expansion joint) Metal hose Steel flap door, air door, gate and other products. The company adopts advanced sand removal, welding and painting technology to make its products durable and bright. It is widely used in petroleum, chemical industry, natural gas, electric power, heating, pharmaceutical, metallurgy, municipal and other industries. The products are sold well in major provinces and cities in China, and exported to more than ten countries and regions in the Middle East, Europe and the United States. It has been widely praised, trusted and supported by users.