(1) Shaft speed Due to design and structural reasons, high-speed shafts should use high-speed oil seals, low-speed shafts should use low-speed oil seals, and low-speed oil seals cannot be used on high-speed shafts, and vice versa.
Oil seals are protective elements. They prevent the mixing of water and lubricants within a machine, thereby ensuring optimal machine functionality. Also, oil seals help to prevent lubricant leakage at high pressure like when the machine is working at an extremely high rate. Not only that, radial shaft seals stop foreign components from entering a machine. This is because they can contaminate the lubricant and even damage the machine.
- Overall, the 49055s spark plug is a high-quality, reliable component that plays a crucial role in the ignition system of an engine. With its ability to withstand high temperatures and pressures, resist fouling, improve fuel efficiency, and provide a long lifespan, the 49055s spark plug is a top choice for engine performance and reliability.
- The '6' in the code denotes the thread size, which refers to the diameter of the spark plug's thread that fits into the engine's cylinder head. This size is crucial for a secure fit and optimal compression. The 'H' indicates the thread length, implying that it has a standard reach, ensuring the spark occurs at the perfect moment for maximum power output.
- The rear valve cover gasket is manufactured from various materials, including rubber, cork, or silicone, each with its own advantages. Rubber gaskets provide excellent sealing properties and durability, while cork gaskets are more environmentally friendly and have good heat resistance. Silicone gaskets, on the other hand, offer superior resistance to high temperatures and chemicals, making them ideal for high-performance engines.
Rubber material

Oil seals are vital to the daily operation of most factories and a wide range of industrial and commercial equipment. They are available in imperial and metric dimensions for both single- and double-lip design. Motors, Mechanical Hydraulic systems, pistons, and pumps utilize oil seals to protect internal components. Depending on the application, there are various material, size, and configuration options to best fit your needs. Learn more about oil seals, their composition, and the wide range of advantages they offer for your equipment.
Operating conditions such as the engine’s temperature, position, size, pressure and shaft speed largely determine which individual oil seal composition is most suitable for every individual application.

Oil gasket seals are used in various parts of the engine, including the valve cover, cylinder head, and oil filter housing. These seals are designed to prevent oil leaks and maintain the integrity of the engine components. The oil gasket seal ensures that the engine remains properly lubricated and free from oil leaks, contributing to its overall efficiency and reliability.
Dechengwang provides a full line of seal types, including PTFE seal, which is recognized as the best seal and the future of the seal industry. Amongst all other PTFE component manufacturers, Dechengwang stands out with unique products and services, as well as outstanding manufacturing capabilities.
Engine oil seals are vital components in the automotive engine system, designed to prevent the leakage of lubricating oil and the ingress of contaminants. These seals play a critical role in maintaining the proper lubrication of the engine components, including the crankshaft, camshaft, and other critical parts. Engine oil seals contribute to the efficiency and longevity of the engine by preventing oil leaks and ensuring optimal performance.
