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    GlobeCore / Products / Oil Drying Unit / CMM-260C Stationary Transformer Drying Unit

    CMM-260C Stationary Transformer Drying Unit

    Transformer Drying Unit

    Water is a dangerous enemy of the transformer, reducing the dielectric strength of transformer oil, accelerating the aging of oil and solid insulation. It is impossible to entirely prevent water contamination in a transformer, since it forms regardless of service quality and airtightness of the unit. However, it is possible to protect the transformer with the CMM-260C continuous drying device. This machine is connected to the transformer and keeps it dry throughout its service life by passing its oil through a microporous granular sorbent. Water is absorbed and reliably held in its crystals.



    Capacity, liters/hour (gpm), not less than

    30 (0,13)

    Water absorption capacity, liters (gal)

    9 (2,4)

    Adsorbent load per column, kg (lbs)

    20 (44)

    Parameters of processed oil:

    – max moisture content, ppm

    < 5

    – ISO 4406 class


    – min dielectric strength, kV


    Output pressure, bar (psi)

    2 (29)

    Oil output head, m (in)

    20 (790)

    Max power required, kW


    Power supply

    voltage, V


    AC frequency, Hz


    Dimensions,  mm (in), max


    1150 (45)


    1980 (78)


    490 (19)

    Max weight, kg (lbs)

    400 (880)

    • connection to transformer of any type and age;
    • the process of connection takes less than an hour;
    • the sorbent captures water regardless of its temperature and form;
    • the machine dries the oil without heating and does not require constant operator control;
    • the machine can be installed temporarily or permanently.

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