




The simple geometry is the main characteristic of an O-Ring which in conjunction with proper elastomer selection results
in a low cost, easy to use and efficient sealing system.
Elastomeric materials, when compressed, react like a high
viscosity fluid which transmits applied stress in every direction;
consequently, the O-Ring serves as a barrier, blocking the leak paths between the sealing surfaces.


The Quad-Ring is a self-sealing ring with four rounded sealing lobes. Quad-Rings were primarily designed to replace “O” -Rings in cases where the application of “O” -Rings is not satisfactory or not suitable. The four contoured sealing lobes have great sealing capacities and provide a useful oil groove. The diametrical compression required is lower than if “O” -Rings are used. Less compression means less friction
and consequently less wear in dynamic application.



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