Voneseals back-up rings are designed to prevent seal extrusion in high-pressure applications, providing additional support for O-rings and other sealing elements. They help improve sealing reliability, extend seal service life, and enhance the performance of hydraulic systems.

Available in multiple materials, profiles, and standard sizes, Voneseals back-up rings deliver excellent extrusion resistance and durability for a wide range of industrial and mobile hydraulic applications.