Lipped seal

lipped seal
lipped seal
lipped seal
lipped seal
lipped seal
lipped seal
lipped seal
lipped seal
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lipped, spiral
circular, grooved, C-ring
elastomer, PTFE
for aircraft
Other characteristics
custom, double-acting
Temperature limit

Min.: -60 °C (-76 °F)

Max.: 200 °C (392 °F)

Pressure limit

200 MPa


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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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.