Hebei Hankai double lip seal

Hydraulic shaft seals are used to prevent hydraulic fluid from leaking out of the system while keeping external contaminants from entering. These seals are positioned around the shaft, which is a rotating or reciprocating part that connects various components of a hydraulic system. The integrity of these seals is crucial as any failure can lead to fluid leakage, operational inefficiencies, and potential damage to machinery.

A rotary shaft seal is a critical component that provides a barrier between the rotating shaft and the static housing. They are commonly used in machinery subjected to high pressure and dynamic motion, such as hydraulic systems, turbochargers, and rotary actuators. The design of high pressure rotary shaft seals is specifically tailored to withstand not only high pressures but also extreme temperatures and aggressive media, which are often encountered in industrial environments.

When discussing oil seals, several factors come into play. First and foremost is the material used in the seal's construction. Common materials include rubber, polyurethane, and fluorocarbon, each having its own advantages and disadvantages. For instance, rubber seals are generally cost-effective and can work well under moderate conditions, while fluorocarbon seals are exceptionally resistant to heat and chemicals, making them ideal for high-performance applications.