Backup Rings
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SealsBackup Rings
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These back-up rings, made from urethane or nylon, are commonly used as spacers for u-seals.
70 Shore D Durometer | Urethane Material | 1 3/4 in Nominal Inner Diameter | Modular Back-Ups
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
$17.86
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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.
