Guide rings
FT piston guide rings
FT WEAR RINGS. Polyester resin and fabric wear rings. For high loads. Available in a wide dimensional range. Installation in the same housing as for Neuflon-ptfe compound band and FR rings.
| S Thickness |
F groove diameter |
L groove width |
G piston-cylinder clearence |
| j8 - h8 | H11 | max S x 0.4 | |
| 2.5 | A - 5 | 6.3 | max S x 0.4 according with the seal adopted |
| 2.5 | 8.1 | ||
| 2.5 | 9.7 | ||
| 2.5 | 15 | ||
| 2.5 | 20 | ||
| 2.5 | 25 | ||
| 2.5 | 30 | ||
| 2.5 | 40 | ||
| 4.0 | A - 8 | 25 |
| Coding example | |
| Product: FT Bore: 100 Groove diameter: 95 Groove width: 15 |
FT 100 x 95 x 15 |
materials
| CHARACTERISTIC | SPECIFICATION | UNIT | VALUE |
| Color | blue | ||
| SPECIFIC LOAD Qs T<100°C | N.mm-2 | 75 | |
| Compression resistance | D695-54 | N.mm-2 | 340 |
| Hardness | D2240-74 | Rockwell M | 100 |
| Friction coefficient | 0.2 | ||
| Max. Speed | m/sec | 1 | |
| Thermal expansion coefficient | D696-70 | 10-6 / °C | 20 |
| Continual operational Temperature | °C | 130 | |
| Peak Temperature | °C | 150 | |
| Flammability | D635-68 | self extinguisching |