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O-rings as elastic loops that seal static and dynamic applications. They are used to seal the space between cylinders, pistons, pipes and tubes and can be made from various materials.

70A Durometer | Nitrile Material | 204.5 MM Nominal Inner Diameter | 8.4 MM Cross Section | O-Ring

Features

• Chemical resistance
• Temperature range of -40 °F to 220 °F

Backup rings are used in sealing and are designed to limit o-ring clearance gaps. They are used in high-pressure sealing situations.

70 Shore D Durometer | Urethane Material | 204.5 MM Nominal Inner Diameter | 5 MM Cross Section | Backup Ring

Features

• High strength and abrasion resistance
• Wide temperature range
• Chemical resistance
• Low friction
• Easy installation