Sealing Tecnologies Dichtomatik
Fluid Handling
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X-Rings

Four-Lip Seal for Statics and Dynamic Applications

X-Rings are twin-action four-lipped seals with an almost square cross-section profile. The sealing effect is achieved by being installed and compressed within an axial or radial installation housing. Under operating conditions, the pressure of the medium reinforces the sealing function. X-Rings are used for the radial and axial sealing of flanges, sleeves and covers (static application) and for sealing of pistons and rod seals, rotating shafts and helical movements (dynamic). They are often used for quasi-static applications, such as adjustment and swivelling movements. They are also applied for quasi-static applications, such as adjusting and swiveling movements.

Benefits at a Glance

  • Square cross-section avoids twisting during installation
  • Reduced abrasion
  • Superior distribution of pressure over the cross-section
X-Rings

Choose the Right Solution

Out of a Range of Material Types

  • NBR (temp.: -30 to +100°C): good resistance to mineral oils and greases, hydraulic oils, flame retardant hydraulic pressure fluids HFA, HFB, HFC (up to +50°C) and water (up tp max. +80°C)
  • FKM (temp.: -15 to +200°C): good resistance to mineral/synthetic oils and greases,, engine, transmission and ATF oils (max. +150°C), fuels, flame retardant pressure fluids (HFD), aliphatic, aromatic and chlorinated hydrocarbons, water (max. +80°C), weathering, ozone and ageing resistance as well as to a wide range of chemicals

Additional materials such as VMQ, EPDM and HNBR are also available upon request.

Please note that resistances, pressures and temperatures are mutually influenced by various parameters.

Related Documents

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