Quad Lobe X-Ring Seals
Available in Buna-N, FKM, EPDM or Custom Compounds
The four-lobed design with a specially developed sealing profile of these seals provides twice the sealing surface of ordinary O-rings. The four-lobed design not only provides lower fiction than an O-ring, but also, due to its square cross section, it resists spiral twist. X-Rings are available in a wide range of elastomer materials for both standard and special applications. Their dimensions are specified with the inside diameter "d1" and the cross-section "W." X-Rings are supplied to the American Standard AS-568A and are completely interchangeable with O-rings in these sizes. They can be used in a variety of static and dynamic sealing applications including rotary, reciprocating or oscillating motion.
- There are two sealing surfaces to give a positive seal with less friction. Due to an improved pressure profile over X-Ring Seal cross-section, a high sealing effect is achieved.
- The recessed mold parting line provides no flash or parting line on the surface of the seal and ensures "zero leakage." What's more, a lubricant reservoir formed between the sealing lips improves performance at start-up.
- The X cross-section resists spiral twisting and extrusion. Due to its special profile, the seal does not tend to twist in the groove during reciprocating movement
- Twice the sealing surface means less radial squeeze is needed to create an effective seal resulting in less friction, less wear and longer service life.
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