EXTREME COLD

    Case study

    Miner

    Zinc, Nickel

    Finland

    Challenge

    Breakage of the sealing system of the rollers due to freezing in extreme temperatures down to -50º.

    ULMA Solution

    Evolution of ULMA's patented sealing system to a special geometry that expels moisture and prevents icing.

    Key learning

    After 30 days of shutdown, the rollers start rotating again without any problem

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