Sealing ring is a common engineering part, widely used in a variety of mechanical equipment and industrial systems. Its main role is to form an effective seal between the two contact parts, to prevent the leakage of liquid, gas or solid particles, while preventing the intrusion of external dust, moisture and other impurities, to ensure the normal operation of mechanical equipment and industrial systems. This paper will discuss the role of sealing ring and its importance in engineering. Manufacturer price consultation: 198-5653-1933 First, the role of the sealing ring: 1. Prevent leakage: The main function of the sealing ring is to prevent the leakage of liquid or gas. In the hydraulic system, pneumatic system, automobile engine, industrial pipeline and other equipment, due to the existence of working pressure, if there is no sealing ring, it will lead to media leakage, seriously affecting the normal operation and efficiency of the equipment. 2. Isolation media: In some special processes and equipment, different media need to be isolated to avoid mixing or reacting with each other. The sealing ring can effectively isolate different media to ensure their respective operating environment and stability. 3. Dustproof and waterproof: the sealing ring also has the function of dustproof and waterproof, which can prevent external dust, moisture and impurities from entering the inside of the equipment to avoid damage or failure due to the intrusion of dust and moisture. 4. Reduce friction and wear: the sealing ring can form a lubricating oil film between the parts, reduce friction and wear between the parts, and extend the service life of the equipment. 5. Compensation for poor fit: In mechanical equipment, due to manufacturing and installation errors, there may be poor fit between parts, resulting in gaps or deviations. The sealing ring has certain elasticity and plasticity, which can compensate for bad fit and ensure the sealing effect. Second, the importance of the sealing ring in the project: The sealing ring plays a vital role in the engineering, which directly affects the performance, reliability and safety of the equipment. The following is the importance of sealing rings in engineering: 1. Improve equipment performance: Effective sealing rings can prevent the loss of energy and media, ensure the efficient work of the equipment, improve the performance of the equipment and production efficiency. 2. Ensure the reliability of equipment: In some important equipment and systems, if leakage or failure occurs, it may lead to serious consequences, and even threaten the life safety of personnel. The reliability of the sealing ring is directly related to the safety and stability of the equipment and system. 3. Reduce maintenance costs: Good sealing rings can reduce leakage and loss of equipment, reducing the frequency and cost of maintenance and repair. 4. Environmental protection: The effective use of sealing rings can prevent the leakage of industrial waste and pollutants, which has a positive significance for the protection of the environment and the ecological environment. 5. Improve engineering quality: In engineering projects, the quality and use of sealing rings have a crucial impact on the efficiency and overall quality of equipment.