Hebei Hankai double lip oil seal

Conversely, an oil seal, also referred to as a fluid seal or grease seal, is primarily designed to retain lubricants such as oil or grease within a specific area. Oil seals are crucial in preventing the leakage of lubricants from machinery, thereby ensuring optimal lubrication and efficient operation. They are also essential in preventing contaminants from entering these lubricated compartments.

High-pressure oil seals are specifically engineered to withstand elevated pressures that are common in many industrial settings. These seals feature reinforced designs, which may include additional radial or axial support to help manage the stresses of high pressures. The materials used in high-pressure seals also play a crucial role; they must be able to maintain their integrity and elasticity under extreme conditions, resisting deformation and fatigue over time.

In addition to preventing fluid loss, oil seals also protect machinery from external contaminants such as dust, dirt, and moisture. These particles can cause significant damage if they enter the inner workings of equipment. The presence of a well-functioning oil seal eliminates this risk, fostering a clean operational environment.