Installation with pressure plugging is a common pipeline installation process, mainly used in petroleum, chemical, gas and other industries of the pipeline system. This technology can effectively ensure the stable operation of the pipeline system and prevent accidents caused by gas or liquid leakage in the pipeline. The technical requirements for installing a pressure plug are described in detail below.

1. Stability assessment of pipelines

The stability of the pipeline needs to be evaluated before a pressure plug is performed. This can be achieved by checking the material of the pipe, the pressure level, the pressure resistance, the strength of the pipe joint, and so on. If the stability assessment of the pipe is not satisfactory, the pipe will need to be repaired or replaced to ensure that the pressure plug is successful.

2. Select an appropriate plugging tool with pressure

The installation of sealing with pressure requires the selection of appropriate tools, according to the characteristics of the pipeline and the purpose of sealing to choose different tools. For example, for large diameter pipelines, larger sealers are needed; For high-pressure pipes, a more robust stopper is required.

3. Install the occluder

The stopper needs to be installed in the pipeline before a pressure plug can be performed. During the installation process, the size and shape of the pipe need to be considered to ensure that the sealer can be completely sealed. At the same time, it is also necessary to pay attention to the location and direction of the stopper to ensure that it can effectively plug the pipeline.

4. Make preparations before plugging

A series of preparations are required before a pressure plug can be carried out. First, the liquid or gas in the pipeline needs to be drained to avoid the danger of plugging. Secondly, the occluder needs to be inspected and tested to ensure that it is intact. Finally, pipes and plugs need to be cleaned to avoid impurities or dirt during plugging.

5. Precautions during plugging

When performing pressure plugging, the following points need to be noted. First, you need to ensure that the sealer is completely sealed to avoid liquid or gas leakage. Secondly, when plugging, it is necessary to control the pressure of the plugging device to avoid excessive pressure leading to the rupture of the plugging device. Finally, after plugging is completed, it is necessary to conduct inspection and testing to ensure the stability of the pipeline and the effectiveness of the plugging.

6. Handle the blockage

After plugging is complete, the pipeline needs to be treated. First, the pressure in the pipeline needs to be removed to ensure the stability of the pipeline. Secondly, the occluder needs to be removed for subsequent maintenance or replacement. Finally, the pipes need to be cleaned and inspected to ensure that they are intact.

In short, the installation of pressure plugging is a very important technical process that requires advanced technical personnel to operate. When plugging with pressure, strictly follow the technical requirements and pay attention to stability matters to ensure pipeline stability and sealing effectiveness.

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