Hebei Hankai 25 35 7 oil seal

High Pressure Rotary Seals An Overview

Typically made from elastomeric materials like nitrile rubber (NBR), fluorocarbon rubber (FKM), or silicone, oil seals are engineered to withstand varying temperatures, pressures, and chemical environments. The choice of material affects their performance characteristics, including resistance to wear, deformation, and aging. The design of the oil seal includes a sealing lip, which provides a barrier against leaks while maintaining a low coefficient of friction against the shaft.

Applications

Understanding the percentages associated with oil seals involves recognizing their context in performance characteristics. The figures 22%, 40%, and 7% commonly relate to aspects such as operational efficiency, leakage rates, and material composition. Let's break these down for better clarity.

Oil seals come in various shapes and sizes, depending on the specific application and requirements of the system. They are often custom-made to fit a particular machine or vehicle, ensuring a proper and secure seal. Regular maintenance and checks on oil seals are important to ensure that they are functioning effectively and preventing any potential leaks.

1. O-Rings These are torus-shaped seals that are widely used due to their simple design and versatility. They can be used in dynamic and static applications, and their effectiveness depends on the material and size.

These seals typically consist of an elastomeric material, such as rubber or polyurethane, combined with a metal casing that allows for better sealing against high-pressure environments. The combination of a flexible lip and a rigid outer body ensures optimal sealing and minimizes wear on the sealing surfaces.