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Technology for sealing pipes with pressure
2023-10-27

Pipeline pressure sealing technology is a method used for temporary sealing of pipelines, which is often used in pipeline maintenance, inspection, equipment replacement and stability protection. It can apply pressure inside the pipe to stop the flow of fluid or gas to ensure the stability of the working area. The pressure sealing technology is a comprehensive technology, which involves the knowledge of multiple disciplines such as material science, mechanics, fluid mechanics, thermodynamics, engineering design and so on. The following will be from the material selection, equipment use, construction steps and stability precautions to specifically introduce the pipeline pressure sealing technology.

First of all, material selection is an important part of pipeline sealing technology. The sealing material needs to have certain pressure resistance, corrosion resistance and wear resistance. Commonly used sealing materials are rubber, metal plug, inflatable plug and so on. The selection of the appropriate sealing material needs to be comprehensively considered according to the size, material, working pressure and medium of the pipeline.

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Secondly, the use of equipment is the key link of pipeline pressure sealing technology. Commonly used equipment includes plugging device, inflation equipment, pressure measuring instrument and so on. The stopper is a tool used to plug the pipe and there are two types of manual and automatic. Manual sealers are suitable for smaller sized pipes, while automatic sealers are suitable for larger sized pipes. The charging device is used to inflate the occluder to form a seal. Pressure gauges are used to monitor the pressure in the pipe to ensure that the fruit is plugged.

The construction step is the basic flow of pipeline sealing technology with pressure. First, clean the surface of the pipe to ensure that the blocked area is free of impurities. Then, the appropriate plugging material is selected and installed into the plugging device. Next, insert the stopper into the tube and inflate the stopper with an inflating device to seal it against the inner wall of the pipe. Finally, the pressure measuring instrument is used to detect the pressure in the pipeline and adjust it as needed to ensure that the sealing effect meets the requirements.

Stability matters should be paid attention to in pipeline pressure sealing technology. During the construction process, the stability of personnel must be ensured. Wear appropriate protective equipment, such as gloves and goggles, to prevent injury caused by the sealing materials. In addition, it is necessary to ensure that the quality of the sealing material is reliable, so as not to cause sealing failure and cause accidents.

To sum up, pipeline pressure sealing technology is an important temporary sealing method, which can play an important role in pipeline maintenance, inspection, equipment replacement and stability protection. By correctly selecting materials, using appropriate equipment, following correct construction procedures, and paying attention to stability matters, the sealing effect can meet the requirements and ensure the stability of the working area.

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