This seal is used for moving piston and rod in cylinder. With good guide effect, it can absorb radial force anytime, prevent metal-to-metal contact in the cylinder, and reduce the friction. GFS have many material available for guide ring according to your specific requirements.
| Materials | Operating Condition | ||
| Temperature ℃ | Bearing capacity N / mm³ | Speed m/s | |
| PTFE | -60~150 | 15 | 10 |
| Phenolic Fabric Resin | -40~130 | 50~100 | 5 |