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PARKER DK PNEUMATIC SEAL

    Pneumatic Seal DK

    The double-acting profile DK is a complete pneumatic piston with a double cup seal and a vulcanized metal disc support. It performs two functions:
    Sealing and guiding.

    • Due to application-optimized geometry and compounds suitable for use in oiled as well as in oil-free air (after initial lubrication on assembly).
    • Immediate response (full pressure load) thanks to incorporated venting channels.
    • Good wear resistance.
    • Ideal corrosion protection thanks to complete elastomer covering.
    • Smooth running due to optimum adjustment of the functional lips.
    • Easy attachment to the piston rod without additional sealing elements.
    • Easy installation due to integrated static sealing function.
    • Excellent media resistance in case of suitable compound selection.
    • Low assembly height of the complete piston enables short cylinder designs.
    • Versatile complete piston for nearly all cylinder designs.

    Range of application
    Complete piston for double-acting pneumatic cylin-ders with and without cushioning, provided that no excessive lateral guidance loads will occur (long strokes and
    buckling).
    Operating pressure≤ 16 bar
    Operating temperature
    DK NBR Z5051-30 °C to +80 °C
    DK PUR Z5071-35 °C to +80 °C
    Sliding speed≤ 1 m/s
    MediaCompressed air, both lubricated and oil
    free (after greasing for fitting)

    Installation
    The profile DK pneumatic complete piston is fixed to the piston rod with a locknut to avoid loosening. For use with dry and oil-free air, the piston and cylinder tube must be prelubricated with a suitable long-life lubricant.It must be assured that the sealing lips do not touch the cylinder bottom and the cylinder cap at the limit stops (see also dimension „Ø dm“).

    D,d,H,S,h,d
    a
    ,
    h1,dm,
    DK NBR Z5051
    165123693.612
    2051236103.616
    2061236103.616
    256123613.53.621
    2581234163.621
    2581236163.621
    3251836163.626.5
    3261536163.626.5
    3281536163.626.5
    3281536.516426.5
    3581536163.629.5
    4081847224.634
    4082046.5224.634
    40101847224.634
    5082046.5254.643
    50101847.8254.643
    501620.547254.643
    60122146.5374.652
    60182146.5374.652
    63122258405.655
    631621.547404.655
    70122258445.662
    70332258445.662
    801222.558555.670
    801622.558555.670
    802022.558555.670
    1001225610726.690
    1001625610726.690
    1002026610726.690
    125202659.5905.6114
    1252028712908.2114
    1302029813988.6123
    1402229610.51086.6125
    1502029101310010.6143
    1602729610.51106.6145
    1603029610.51106.6145
    20027351014.515010.6180
    2003035101315010.6180
    2503040121518012.6240.6
    2503040151818015.6240.6
    DK PUR Z5071
    3281536164.426.5
    40101847225.434
    50101847.5255.443
    631621.547405.455
    63.511.12225840.5756