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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.

1. Material Composition The price of hydraulic cylinder oil seals is significantly affected by the materials used in their manufacturing. Common materials include nitrile rubber (NBR), polytetrafluoroethylene (PTFE), and polyurethane (PU). Each material has its unique properties, such as temperature resistance, chemical compatibility, and durability, influencing the overall cost. High-performance seals made from premium materials tend to be more expensive but can offer longer lifespans and better resistance to harsh conditions.