Опорное кольцо гидроцилиндра Caterpillar 0869326

The Hydraulic Cylinder Backup Ring is installed in hydraulic cylinders to support primary sealing elements under high-pressure conditions. It prevents the main seal from extruding into clearance gaps when hydraulic pressure increases. It helps maintain a stable sealing barrier that controls fluid movement within the cylinder. It reduces the risk of seal deformation that can lead to internal leakage and pressure loss.Attributes:• Supports seal elements to prevent extrusion under pressure.• Maintains seal profile for consistent contact with cylinder walls.• Nitrile butadiene rubber with 90 shore A offers firm flexibility with excellent wear and abrasion resistance.• Reduces deformation of primary seals during operation.Applications: The Hydraulic Cylinder Backup Ring is located within the seal groove of a hydraulic cylinder, positioned next to the primary seal, where it supports sealing elements under pressure and prevents extrusion.