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Parback® backup ring with a curved cross-section.
Parbaks are contoured on one face to minimize distortion of the o-ring when under pressure. Parbaks should be installed with the contoured face against the o-ring, but reversal does no harm.
90A Durometer | Buna-N Rubber Material | 7 1/2 in Nominal Inner Diameter | 1/4 in Cross Section | Backup Ring
Features
- Excellent extrusion resistance
- Easily stretched for installation
- Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces
Style 580 Square O-rings are circular elastomeric rings that create a seal between two or more parts. They are made from a variety of materials, including BUNA-N rubber, and are used in a variety of industries, including automotive, aerospace, and manufacturing.
Buna-N Rubber Material | 4 in Nominal Inner Diameter | 3/16 in Cross Section | Square O-ring
Features
- Pressure range varies according to diametral clearance
- Temperature range of -40 °F to -240 °F
Wear rings provide a hard-wearing surface that protects the cylinder walls and the piston rod from scoring and abrasion. By maintaining alignment and reducing side loads, these rings facilitate smoother piston movement and lower friction levels.
Nylon Material | 3 1/4 in Nominal Inner Diameter | 1/8 in Cross Section | Wear Ring
Features
- Protection Against Wear
- Reduced Friction
- Extended Cylinder Life
- Operational Efficiency
Wear rings provide a hard-wearing surface that protects the cylinder walls and the piston rod from scoring and abrasion. By maintaining alignment and reducing side loads, these rings facilitate smoother piston movement and lower friction levels.
Nylon Material | 4 1/4 in Nominal Inner Diameter | 1/8 in Cross Section | Wear Ring
Features
- Protection Against Wear
- Reduced Friction
- Extended Cylinder Life
- Operational Efficiency
Wear rings provide a hard-wearing surface that protects the cylinder walls and the piston rod from scoring and abrasion. By maintaining alignment and reducing side loads, these rings facilitate smoother piston movement and lower friction levels.
Nylon Material | 5 in Nominal Inner Diameter | 1/8 in Cross Section | Wear Ring
Features
- Protection Against Wear
- Reduced Friction
- Extended Cylinder Life
- Operational Efficiency
660-3000X5000 has a 1 in thick wall. The ID is 3 in and the OD is 5 in. The material is 660 Bronze Copper Alloy 932.
- Long life span
- Machinability rating of 70
- Not subject to dezincification
Full mill lengths will be cut to lengths between 12 ft and 19 ft long. Packages longer than 44 inches may have additional freight charges.
| 1-4 | $68.94 |
| 5-9 | $61.22 |
| 10-14 | $55.15 |
| 15+ | $50.19 |
