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Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.
PTFE Material | 28 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
Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.
PTFE Material | 28 MM Nominal Inner Diameter | 2 MM Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
Backup rings are used in sealing and are designed to limit o-ring clearance gaps. They are used in high-pressure sealing situations.
95A Durometer | Urethane Material | 28 MM Nominal Inner Diameter | 2 MM Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
Hard nylon back-up rings for use with U-seals.
Nylon Material | 28 MM Nominal Inner Diameter | 3.7 MM Cross Section | U-Seal Back-Up Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
Filled PTFE back-up rings primarily used with U-seals.
Bronze Filled PTFE Material | 28 MM Nominal Inner Diameter | 3.75 MM Cross Section | U-Seal Back-Up Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
Filled PTFE back-up rings primarily used with U-seals.
Filled PTFE Material | 28 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