Опорное кольцо гидроцилиндра стрелы, внутренний диаметр 85 мм Caterpillar 5391747

The Boom Cylinder Backup Ring functions as a secondary seal to support the primary sealing component in the boom cylinder, preventing hydraulic fluid from escaping and contaminants from entering the system. This backup ring maintains the integrity of the hydraulic system, minimizing the risk of leaks and ensuring optimal performance in demanding operating conditions.Attributes:• Enhances the reliability of boom cylinder performance.• Withstands high temperature conditions.• Prevents extrusion of hydraulic seals under pressure.Applications: The Boom Cylinder Backup Ring provides additional sealing and support to the boom cylinder of a hydraulic system of equipment, to prevent leakage and maintain operational integrity.