ОПОРНОЕ КОЛЬЦО Caterpillar 6303825

The Hydraulic Check Valve Backup Ring is positioned within a hydraulic relief check valve assembly to reinforce the primary sealing element during pressure fluctuations. It provides additional structural backing to the seal, preventing deformation or extrusion when subjected to elevated hydraulic pressure. During pressure spikes, the backup ring stabilizes the sealing surface and preserves the integrity of the valve’s internal sealing interface.Attributes:• Maintains effective sealing geometry during system operation.• Distributes hydraulic force evenly across the sealing interface.• Permits controlled fluid flow without unintended escape paths.Applications: The Hydraulic Check Valve Backup Ring is installed inside the relief check valve assembly, where it reinforces the primary sealing element. It functions within hydraulic circuits to ensure proper pressure containment and controlled fluid flow during operation.