Hebei Hankai gearbox seals

3. Polyurethane Seals (PU) These seals offer excellent wear resistance and are often used in high-load applications. Their higher cost may be justified by their superior performance and longevity.

Wiper oil seals, commonly referred to as lip seals or simply oil seals, are mechanical seals used to keep lubricants in and contaminants out of machinery. They are typically made from durable materials such as rubber or elastomers, designed to withstand high pressures and temperatures. The primary function of these seals is to maintain a barrier that prevents the escape of oil, while also preventing dirt, dust, and other contaminants from infiltrating the system.