Back-up Rings are commonly used to protect seals from the effects of extrusion when pressurised adjacent to a housing gap. A wide range is available to suit all seals and grooves. Usual configurations are Spiral, Scarf cut, Uncut and Concave and materials range from Virgin Polytetrafluoroethylene (PTFE), through the range of filled grades, up to the high modulus grades of engineering thermoplastics. Back-up Rings can be used statically or dynamically, over a broad temperature and pressure range.
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Hosur, Bangalore, Karnataka