Backups
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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.
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(3 results)
Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.
PTFE Material | 42 MM Nominal Inner Diameter | 3 MM Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
$3.41
/EA
Filled PTFE back-up rings primarily used with U-seals.
Glass Filled PTFE Material | 42 MM Nominal Inner Diameter | 6.5 MM Cross Section | U-Seal Back-Up Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
$26.67
/EA
Hard nylon back-up rings for use with U-seals.
Nylon Material | 42 MM Nominal Inner Diameter | 4 MM Cross Section | U-Seal Back-Up Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
$17.41
/EA