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Hydraulic Seals

Backup Rings

Support rings for primary seal protection

Backup Rings - Product

Product Overview

Backup rings provide essential support to primary seals, preventing extrusion and ensuring reliable sealing under high pressure. They are critical components in demanding hydraulic applications.

Pressure range: Up to 400 bar
Temperature range: -40°C to +120°C
Various cross-sections available
Metric and standard sizes

Applications

  • High-pressure cylinders
  • Pump sealing
  • Motor sealing
  • Extreme pressure systems

Available Materials

  • PTFE
  • Rubber-PTFE composite
  • Filled PTFE