HP Rod & Piston seal
Aston Seals HP type gasket is designed as a rod and piston seal for presses and cylinders. Extremely suitable for medium-heavy applications, it is composed of: – a basic “U” ring that prevents the extrusion of the central elements. Sometimes an additional anti-extrusion ring can be incorporated to further increase the maximum operating pressure.
Features
• Long service life
• Simple execution of the seat
• Good sealing capacity even at low levels pressures
• It can be adjusted according to the application
• Good mechanical stability at highs temperatures
• Excellent wear resistance
| MATERIAL | ||
| 1 Reinforced cotton fabric impregnated | ||
| 2 Reinforced cotton fabric impregnated with nitrile rubber and/or nitrile elastomer | ||
| 3 Reinforced cotton fabric impregnated with nitrile rubber | ||
| FIELD OF APPLICATION | ||
| Pressure | Speed | Temperature |
| ≤400bar | ≤ 0.5 m/s | -30°C÷+130°C |
| SURFACE ROUGHNESS | ||
| Housing surface | Ra ≤ 2 um | Rt ≤ 2.5 um |
| Static surface | Ra ≤ 0.8 um | Rt ≤ 6.3 um |
