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 |
