hydraulic oil seal types

A skeleton oil seal, also known as a metal casing seal or a rubber oil seal with a metal reinforcing ring, consists of an elastomeric material molded around a metal skeleton. This design provides enhanced stability and durability compared to traditional oil seals. The metal skeleton not only supports the seal but also adds structural integrity, allowing it to withstand higher pressures and temperatures.

Finally, the 7% relates to the material composition and the durability of the seals. Oil seals are typically constructed from various compounds, including elastomers and polyurethane, each tailored for specific environmental conditions. A 7% threshold can indicate the percentage of material degradation that is acceptable over a defined lifespan. High-quality seals are engineered to endure extreme pressures and environmental challenges, maintaining their integrity even as their material composition undergoes wear.

4. Contaminant Protection Seals act as barriers against dust, dirt, and other contaminants, which can compromise the performance of the hydraulic system. Keeping these elements out protects internal components and ensures smooth operation.

- Wear Resistance Given the relative motion between the shaft and the seal, wear resistance is crucial for longevity and reliability.