KHD PISTON SEAL
– A dynamic sealing element that ensures low friction, high speeds of operation and, thanks to the resistance chemistry of the material that exceeds those of all other elastomers, a high compatibility with almost all fluids.
– A low rubber sealing element permanent deformation as an element energizing on the static part.
– Two anti-extrusion rings that allow high coupling clearances o structural deformations without the danger of extrusion, thus ensuring a long duration of the various components.
Features
• Low static and dynamic friction
• No “stick-slip” tendency
• Small footprint and simple execution of the headquarters
• High resistance to extrusion
• Long service life
| MATERIAL | ||
| 1Type | Designation | |
| Polytetrafluoroethylene PTFE + Bronze | SEALFLON + Bronze | |
| 2Type | Designation | Hardness |
| Nitril Rubber NBR | RUBSEAL 80 | 80°ShA |
| FIELD OF APPLICATION | ||
| Pressure | Speed | Temperature |
| ≤ 500 bar | ≤ 15 m/s | -40°C ÷ +120°C |
| SURFACE ROUGHNESS | ||
| Dynamic surface | Ra ≤ 0.3 um | Rt ≤ 2.5 um |
| Static surface | Ra ≤ 1.6 um | Rt ≤ 6.3 um |
