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ASTON HP ROD & PISTON SEAL

    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
    PressureSpeedTemperature
    ≤400bar≤ 0.5 m/s-30°C÷+130°C
    SURFACE ROUGHNESS
    Housing surfaceRa ≤ 2 umRt ≤ 2.5 um
    Static surfaceRa ≤ 0.8 umRt ≤ 6.3 um