Our carbon graphite seal, piston, and guide rings can be custom-designed or build-to-print. Meeting our customer's tight tolerances and complex designs ensure reliable sealing and efficiency in demanding applications with rotary and piston assemblies. Our manufactured seals support shafts with bearings for smooth and free movement thereby decreasing friction, yet providing the light-tight requirements needed to ensure proper sealing attributes. Our rings are designed for fluid or air transfer type of systems in aircraft, space, and land applications. Enhanced system efficiency with the use of high-performing, self-lubricating carbon graphite seal rings from Entegris provide our customers with the best performing material and precision machining in the industry.   

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