Mercedes-Benz
Before installing the oil seal, check the seal carefully for damage. Make sure there are no cuts or tears around the seal lip, which is the two layers inside the oil seal.
Another thing to consider is the outer diameter of the oil seal. Any damage detected prior to installation will make it impossible to use further.
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.
It is generally used in the union of two lubricated parts, so that it hermetically seals both sides. Therefore, it guarantees the proper engine operation and helps to maintain the vehicle’s distribution system in better condition.

• Lubricating oil
• Rotational speed
• Shaft diameter, etc.
Oil seals, also known as rotary shaft seals or lip seals, are a specific type of gasket designed to prevent the leakage of oil or other fluids in rotating shafts.
The main benefits of Nitrile when opting for use as an oil seal includes:
• Rubber material
• Seal type, etc.
Hub Oil Seal: Significance in Automotive and Industrial Applications
Figure 7: Oil seals for steel production equipment (rolling mill)
Sealing of lip type seal is normally a result of an interference fit between the flexible sealing element, usually augmented by spring pressure and a shaft. Fluid retention is based on the precise amount of lip contact pressure. In most lip seals, increased fluid pressure in the sealed area causes lip contact pressure on the shaft to increase.