A U-Cup Seal Backup Ring, also known as a U-Cup Seal support ring, is used in hydraulic cylinders. It is designed to provide additional support and stability to U-Cup Seals. It is typically placed in the groove on the piston or gland, behind the U-Cup Seal.

Attributes:
• Helps in Minimizing the risk of leaks.
• Withstands higher operating pressures by reinforcing the U-Cup Seals.

Applications:
A U-Cup Seal is used in hydraulic cylinders to prevent extrusion or deformation of the U-Cup Seal under high pressure.