Backup Rings

Split Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

PTFE Material | 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
• Deals very well with surface wear

BU-90NBR-7/8×1/16-C/S(25)

BU-90NBR-4.125×1/8-C/S(5)

Solid Urethane backup ring with a flat cross-section.

95A Durometer | Urethane Material | 5 3/8 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

Split Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

PTFE Material | 5 3/8 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
• Deals very well with surface wear

Spiral TFE-BU-5-7/8 X 6-1/4

BU-90NBR-2.5×1/8-C/S(10)

BU-90NBR-3.5×1/8-C/S(10)

BU-90NBR-5×1/8-C/S(5)

Solid Urethane backup ring with a flat cross-section.

95A Durometer | Urethane Material | 8 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