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Materials and Design

A dust lip seal, often made of elastomers or polymers, is designed to fit closely around rotating shafts or in applications where parts move relative to one another. The primary function of this component is to create a barrier against external contaminants while allowing internal lubrication to remain intact. Typically, dust lip seals feature an outer lip that provides the necessary seal against particles and a secondary inner lip that retains lubricants within the assembly.

The design of a cylinder gland seal varies according to factors such as the type of fluid, pressure levels, and temperature ranges. Common materials used for these seals include elastomers, such as nitrile rubber, polyurethane, and PTFE (Teflon). Each material has specific properties that make it suitable for particular applications. For example, PTFE seals are excellent for high-temperature applications due to their thermal resistance, while nitrile rubber is effective for a wide range of hydraulic fluids.