Guide ring material comparison
| Material code
|
Ultimate
compressive strength |
Maximum
recommended linear speed1) |
Maximum
recommended operating temperature1) |
Maximum
recommended bearing load pressure1) at 20 °C (70 °F) |
Maximum
recommended bearing load pressure1) at 80 °C (175 °F) |
| – | N/mm2 (psi) | m/s (ft/s) | °C (°F) | N/mm2 (psi) | N/mm2 (psi) |
| P-2551 | 158 (22 915) | 1 (3.3) | 120 (250) | 40 (5 800) | 30 (4 350) |
| PF | 240 (34 805) | 0,5 (1.6) | 120 (250) | 50 (7 250) | 30 (4 350) |
| 292 |
2) (depending on time and temperature) |
5 (16.4) (depending on sealing system) |
200 (390) | 15 (2 175) | 7,5 (1 085) |
- 1) Maximum values are for intermittent exposure and should not be applied simultaneously.
- 2) PTFE is subject to creep under compression and, therefore, compressive strength depends on time and temperature.
