Backup Rings

Placed in adjacent grooves on each side of style MPS piston seals, they prevent cold flow or extrusion at high pressures.

Nylon Material | 119 MM Nominal Inner Diameter | Piston Seal

Placed in adjacent grooves on each side of style MPS piston seals, they prevent cold flow or extrusion at high pressures.

Nylon Material | 124 MM Nominal Inner Diameter | Piston Seal

Placed in adjacent grooves on each side of style MPS piston seals, they prevent cold flow or extrusion at high pressures.

Nylon Material | 139 MM Nominal Inner Diameter | Piston Seal

Filled PTFE back-up rings primarily used with U-seals.

Bronze Filled PTFE Material | 100 MM Nominal Inner Diameter | 10 MM Cross Section | U-Seal Back-Up 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 | 100 MM Nominal Inner Diameter | 2.5 MM Cross Section | Backup 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.

Glass Filled PTFE Material | 105 MM Nominal Inner Diameter | 7.5 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 | 10 MM Nominal Inner Diameter | 5 MM Cross Section | U-Seal Back-Up 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 | 11.8 MM Nominal Inner Diameter | 2.1 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 | 112 MM Nominal Inner Diameter | 7.5 MM Cross Section | Backup 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 | 115 MM Nominal Inner Diameter | 10 MM Cross Section | U-Seal Back-Up Ring

Features

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