Fluid Power White Paper Part 2 - Sealing Theory

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In both static and dynamic applications, a certain amount of squeeze or compression is required upon installation to maintain contact with the sealing surfaces and prevent fluid leakage. Dynamic applications in particular involve other variables and require that additional factors be evaluated to ensure proper system performance.

These variables are discussed in the following sections.

  • Static vs. Dynamic Sealing
  • Leakage Control
  • Lip vs. Squeeze Seals
  • Effects of Lip Geometries
  • Pressure Effects and Extrusion
  • Friction