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Seals/Backup Rings 
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Urethane Backup Ring | CRC Distribution Inc.

Backup rings are used in sealing and are designed to limit o-ring clearance gaps. They are used in high-pressure sealing situations.

70 Shore D Durometer | Urethane Material | 106 MM Nominal Inner Diameter | 2.4 MM Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$4.32
/EA

Back-ups

Back-up rings are installed together with o-rings or other accompanying seals to prevent gap extrusion in sealing applications. They are available in a spiral, split, or solid design.