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ASTON S2A WIPER SEAL

    S2A WIPER SEAL
    The function of the S2A type rod wiper is to prevent introduction of dust, dirt and foreign material inside the sealing system. This scraper can exert an effective action additional seal when used with a rod seal with good return characteristics hydrodynamic.
     
    Features
    • Low static and dynamic friction
    • High speeds allowed
    • No “stick-slip” tendency
    • Small footprint and simple execution of the site
    • High compatibility with all fluids (with right choice of O-Ring material)
    • High temperature resistance
    MATERIAL
    1TypeDesignation
    Polytetrafluoroethylene PTFE +- BronzeSEALFLON + Bronze
    2TypeDesignationHardness
    Nitril Rubber NBRRUBSEAL 7070°ShA
    FIELD OF APPLICATION
    SpeedTemperature
    ≤ 15 m/s-30°C ÷ +130°C(with OR in NBR)
    -30°C ÷ +200°C(with OR in FKM)
    SURFACE ROUGHNESS
    Dynamic surfaceSuitable for rod seal system
    Static surfaceRa ≤ 1.6 umRt ≤ 6.3 um