Опорное кольцо головки поршневого насоса Caterpillar 5537301

The Piston Pump Head Backup Ring is used to support the seal O-ring within the pump head, ensuring it stays properly positioned under pressure. It prevents the O-ring from extruding and deforming when exposed to fluctuating and high-pressure conditions. This added support allows the sealing system to function more reliably and consistently.Attributes:• Prevents extrusion of the O-ring under pressure.• Helps the sealing system remain stable under stress.• Provides consistent sealing performance.Applications: The Piston Pump Head Backup Ring is located inside the pump head and is positioned to support the seal O-ring. It prevents extrusion and helps maintain an effective seal during pressurized operation.