Description
Backup rings can prevent seal extrusion in high-pressure applications and also protect the life of the overall sealing system from pressure spikes.
Features
Cat® backup rings are designed together with the elastomeric seal and mating components, significantly improving the life and performance of sealing systems in high-pressure applications. Depending on application requirements, they can be solid or split rings.
Backup ring dimensions always follow strict tolerances to ensure they properly engage the seal groove with the mating surfaces. Materials are selected for pressure resistance and wear resistance.
Cat® sealing systems go through a robust design, testing and validation process. Protect your investment with the latest Genuine Cat® seals.
Applications
Backup rings are used in high-pressure static and dynamic sealing applications, for example, hydraulic pumps, valves, and engine systems.
Specifications
| Material | PTFE – Polytetrafluoroethylene |
|---|---|
| Remarks | Dimensions and material descriptions are for reference only. Color may differ from the image. |
| Cross-Section Height | 1.4 mm (0.06 in) |
| Seal/O-Ring Type | Solid |
| Radial Thickness | 1 mm |
| Cross-Section Width | 0.7 mm (0.03 in) |
| Material Description | PTFE provides excellent performance in air, engine oil, diesel fuel and coolant applications, but is prone to installation damage and debris. Suitable for ultra-high-temperature applications. |
| Inside Diameter | 16 mm (0.63 in) |
| Axial Thickness | 1 mm |
Compatible Equipment
- Track Loaders: 953, 963
- Compactors: 816
- Dozers: D7G
- Excavators: 637E
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |
