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ASTON KPR PISTON SEAL

    KPR PISTON SEAL
    A dynamic seal that ensures a high level holding capacity. Two small and compact sealing lips ensure perfect fluid control and concentrate the load against the dynamic surface. 
     
    Features
    • High sealing capacity even at low pressure
    • Excellent wear resistance
    • Small footprint
    • Long service life
    • Simple execution of the seat
    • Economic solution
    • High resistance to extrusion
    • Good temperature resistance
    • Easy to install on monobloc piston
    MATERIAL
    1TypeDesignationHardness
    PolyurethaneSEALPUR 9797°ShA
    2TypeDesignation
    Nitril Rubber NBRRUBSEAL 8080°ShA
    FIELD OF APPLICATION
    PressureSpeedTemperature
    ≤ 400 bar≤ 0.5 m/s-30°C÷ +110°C
    SURFACE ROUGHNESS
    Dynamic surfaceRa ≤ 0.3 umRt ≤ 2.5 um
    Static surfaceRa ≤ 1.6 umRt ≤ 6.3 um