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ASTON SAD WIPER SEAL

    SAD WIPER SEAL
    prevent the introduction of dust, dirt and foreign material inside the sealing system; this it is obtained thanks to a special scraping lip which produces an effective cleaning action, prevents it development of slag, protects the guide elements e extends the service life of the seals.
     
    Features
    • It retains the residual oil film that passes through the stem seal
    • External interference fit for good protection of the sealing system
    • Long service life
    • Not affected by structural deformations
    • Excellent wear resistance
    • Reduced dimensions of the seats
    • No tight tolerances are required
    • Easy to install
    MATERIAL
    TypeDesignationHardness
    PolyurethaneSEALPUR 9393°ShA
    FIELD OF APPLICATION
    SpeedTemperature
    ≤ 0.8 m/s-40°C÷+100°C
    SURFACE ROUGHNESS
    Dynamic surfaceRa ≤ 0.3 umRt ≤ 2.5 um
    Static surfaceRa ≤ 1.6 umRt ≤ 6.3 um