Guide rings
FR rod guide rings
Heavy duty conditions. Installed in the same housing as for FT and Neuflon-ptfe tape.
| S Thickness |
F Groove diameter |
L Groove width |
G Rod-Box clearence |
| J8 - H8 | H11 | max S x 0.4 | |
| 2.5 | D + 5 | 6.3 | depends from the seal adopted max S x 0.4 |
| 2.5 | 8.1 | ||
| 2.5 | 9.7 | ||
| 2.5 | 15 | ||
| 2.5 | 20 | ||
| 2.5 | 25 | ||
| 2.5 | 30 |
| Coding example | |
| Product: FR Groove diameter: 105 Rod: 100 Groove width: 15 |
FR 105 x 100 x 15 |
materials
| CHARACTERISTIC | SPECIFICATION | UNIT | VALUE |
| Color | brown-yellow | ||
| SPECIFIC LOAD Qs T<100°C | N.mm-2 | 50 | |
| Compression resistance | D695-54 | N.mm-2 | 150 |
| Compression modulus | D695-54 | N.mm-2 | 6000 |
| Hardness | D2240-74 | Rockwell F | 60 |
| Friction coefficient | 0.25 | ||
| Max. Speed | m/sec | 1 | |
| Thermal expansion coefficient | D696-70 | 10-6¨°C-1 | 20 |
| Continual operational Temperature | °C | 120 | |
| Peak temperature | °C | 150 | |
| Flammability | D635-68 | self extinguisching |