X-Rings (Quad-Rings®) for Reduced Friction Applications
X-Rings, also known as Quad-Rings®, can be used in a wide variety of static and dynamic sealing applications. In reciprocating applications, the X-Ring four-lobed design prevents spiral failure and in rotary applications, it prevents the seal from bunching and failing.
The four-lobed design provides two sealing surfaces in comparison to a standard O-ring. The double-seal action requires less force to maintain an effective seal. This reduction in force means less friction and improved seal life.
X-Ring parting lines are between the lobes, away from the sealing surface, thus eliminating the problems of leakage often resulting from a parting line's irregular surface as found on an O-Ring. The unique design of the X-Ring allows it to be used in narrower grooves and also in standard width O-ring grooves.
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