X-Rings have a sealing function doubling that of an o-ring, and can be used in numerous static and dynamic sealing applications. Compared to a standard o-ring, the four-lobed X-Ring profile maintains twice the sealing surface. The double-seal action requires less squeeze to maintain an effective seal function. With a reduction in squeeze, this yields lower friction and prolonged seal life.

Standard O Rings

High quality o-ring. NBR/FKM(Vinton)/HNBR

Concentrating on the design and manufacture of hydraulic products, Desior technology co.,ltd. is a professional hydraulic manufacturer who integrates R&D, marketing, customer service and import & export. With strict and efficient manufacturing & operation system and perfect quality control and guarantee system, DESIOR provides a full range of engineering solutions for customers.

EPDM O-RING

NBR O-RING

PTFE Coated O-Rings

Back-up rings are manufactured from extrusion resistant material as protection and support elements, normally with a rectangular cross-section. For static applications they are used together with an elastomer seal – usually an O-ring – placed in the groove. Because there is a tight fit between back-up ring and bore hole or rod it prevents the O-ring from extruding into the sealing gap under pressure.

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