Pressure plugging is a technical method commonly used in engineering construction to block the flow of liquid or gas in pipelines, containers or holes. It prevents the medium from continuing to flow by applying pressure and maintains the sealing performance of the system. In various industrial fields, pressure sealing is widely used in pipeline maintenance, engineering installation, sealing testing, etc., to ensure the stability and reliability of the project. The service life of a pressure seal is an important consideration, which involves factors such as the durability of the material, the stress-strain characteristics, and the construction environment. In general, the service life of the pressure plug is at least. Below I will introduce the service life of the pressure plug in detail from different aspects.

The first is the choice of materials. The materials commonly used for sealing with pressure include rubber, plastic, metal, etc. The durability of these materials directly affects the life of the plug. Rubber material has excellent elasticity and corrosion resistance, and is often used to plug pipes containing liquid in the medium. Plastic materials have good corrosion resistance and high temperature resistance, and are often used to plug pipelines containing chemical substances in the medium. Metal materials are usually used for sealing under high pressure environments, with high strength and high temperature resistance. Selecting the right material is the key to ensuring the service life of the pressurized plug.

The second is the consideration of construction environment. Sealing with pressure often requires construction in special environments, such as high temperature, low temperature, high pressure, low pressure and other conditions. These environmental conditions will have an impact on the performance of the plugging material, thus affecting the service life of the plugging. For example, in high temperature environments, the thermal expansion and cold contraction properties of the material need to be fully considered to avoid the failure of the sealing material. In high pressure environments, the strength and pressure resistance of the material need to be fully guaranteed. Therefore, the selection of sealing materials that adapt to different construction environments is an important part of ensuring the service life.

In addition, the service life of sealing with pressure is also related to the quality of sealing construction and maintenance. During the construction process, it is necessary to ensure that the sealing material is fully fitted with the contact surface of the pipeline or container to improve the sealing effect. After plugging, perform regular maintenance and inspection to ensure the effectiveness and stability of the plugging. Maintenance measures include regular inspection of the wear of the sealing materials, timely replacement of aging or damaged sealing materials, etc., to extend the service life of the sealing.

In short, the service life of the pressure plug is not less than 2000 hours based on the comprehensive consideration of the durability of the material, the construction environment and maintenance. Selecting the right materials, providing plugging solutions adapted to different environments, strict control of construction quality, and regular maintenance and inspection are all key to ensuring the service life of plugging. Under reasonable design and scientific construction management, pressure plugging can play its due role to ensure the stability and reliability of the system.

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