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- Oil seals are typically made from high-quality materials such as rubber, silicone, or metal, depending on the specific requirements of the application. The materials used must be durable, resistant to oil and heat, and able to maintain a tight seal even under high pressure conditions.
1. Oil seals have three basic components: sealing element, metal case, and spring.
- The quality of the power steering oil seal is also a critical factor in its performance
power steering oil seal. A high-quality seal made from materials such as synthetic rubber or neoprene is more resistant to wear and tear, which means it will last longer and perform better over time. On the other hand, a low-quality seal may not be able to withstand the rigors of daily driving and may need to be replaced prematurely.
- A valve cover gasket, as the name suggests, is a seal that sits between the engine's valve cover and the cylinder head. Its primary purpose is to prevent oil leaks from the engine's lubrication system, safeguarding vital components from contamination and potential damage. It also helps maintain the necessary pressure within the engine, contributing to efficient fuel combustion.
High carbon steel wire
(JIS* SWB)
Several variables must be considered when selecting oil seals. The physical dimensions and materials will vary depending on the environment of use. In addition, oil seals must remain lightweight, compact, and exhibit high self-lubrication performance.
2. The outer skin is made of nitrile rubber and various other materials which are used based on the requirement.
Oil seal size
The sealing effect is achieved by manufacturing a smaller inside diameter than the required shaft size, which preloads the sealing lip. A garter spring is often used to ensure a constant force on the shaft.
A: with minor lip


VB | The main lip is the most critical component of the seal. Its sealing edge comes in full contact with the shaft surface in order to provide excellent sealing performance. (See Figure 3.) |