Backup Rings
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Solid Urethane backup ring with a flat cross-section.
95A Durometer | Urethane Material | 3 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
Solid Urethane backup ring with a flat cross-section.
95A Durometer | Urethane Material | 3 3/4 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
Solid Urethane backup ring with a flat cross-section.
95A Durometer | Urethane Material | 6 1/4 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
Solid Urethane backup ring with a flat cross-section.
95A Durometer | Urethane Material | 4 in Nominal Inner Diameter | 1/4 in Cross Section | Backup Ring
Features
- High strength and abrasion resistance
- Wide temperature range
- Chemical resistance
- Low friction
- Easy installation
Solid Teflon backup ring with a flat cross-section.
PTFE can withstand high temperatures and is compatible with nearly all fluids.
- High temperature range
- Deals very well with surface wear
Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.
PTFE Material | 2 1/8 in Nominal Inner Diameter | 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 | 21 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
