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3. 可靠性高： DSJ密封圈的設計簡單，易于安裝和維護，具有較高的可靠性。
The stepped combination seal DSJ seal ring is a commonly used seal consisting of multiple annular sealing strips, which can provide good sealing performance, wear resistance, and reliability, and is suitable for sealing applications under high pressure, high temperature, and high-speed rotation. This article provides an overview of the structure, working principle, material selection, installation and maintenance points, comparison with other sealing components, and application and development trends in the field of mechanical equipment of DSJ sealing rings. Understanding the characteristics, advantages and disadvantages, and application scenarios of DSJ sealing rings can help to correctly select and use seals, improve equipment performance and lifespan.
1、 Features of DSJ sealing ring with stepped combination seal:
1. Good sealing performance: The DSJ sealing ring is composed of multiple annular sealing strips, which can provide better sealing performance and is suitable for sealing applications under high pressure, high temperature, and high-speed rotation.
2. Good wear resistance: The design of DSJ sealing ring can reduce the friction between the sealing ring and the shaft, thereby improving its wear resistance and service life.
3. High reliability: The design of the DSJ sealing ring is simple, easy to install and maintain, and has high reliability.
2、 Disadvantages of DSJ sealing ring for stepped combination seals:
1. High price: The manufacturing cost of DSJ sealing rings is relatively high, and the price is also relatively high.
2. High installation requirements: The installation of DSJ sealing rings requires certain technical requirements, and improper installation may lead to leakage or damage to the seals.
3. Not suitable for low-speed applications: Due to the design of the DSJ sealing ring, it is not suitable for low-speed rotating sealing applications.
3、 Application of stepped combination seal DSJ sealing ring:
DSJ sealing rings are widely used in sealing applications in mechanical equipment, automobiles, ships, and other fields. For example, it can be used in fields such as shaft seals, hydraulic seals, pneumatic seals, vacuum seals, etc.
1. Structure of DSJ sealing ring: The DSJ sealing ring is composed of multiple annular sealing strips, each with different sizes and angles, which can form multiple stepped sealing surfaces. This structure can ensure a good fit between the sealing ring and the shaft, thereby achieving effective sealing effect.
2. DSJ seal ring materials: DSJ seal ring materials are usually rubber, polyurethane, polyester, polytetrafluoroethylene, etc. These materials have good wear resistance and chemical stability, and can be used in different working environments.
3. Installation of DSJ sealing ring: The installation of DSJ sealing ring needs to strictly follow the installation specifications provided by the manufacturer. During the installation process, attention should be paid to the direction, position, and size of the sealing ring to ensure the sealing effect.
4. Comparison between DSJ sealing rings and other seals: DSJ sealing rings have advantages in sealing performance, wear resistance, and reliability, but compared to other seals, such as mechanical seals and packing seals, their cost and installation requirements are higher.
In summary, DSJ sealing rings are a commonly used sealing element with good sealing performance, wear resistance, and reliability, and are widely used in mechanical equipment, automobiles, ships, and other fields.