For many years in the past, mechanical cleaning of badly fouled heat-exchanger tubes was more or less done on an improvised basis. As heat exchangers began to be extensively used, fouling became a problem of major and varied proportions. This created an impetus for the tube-cleaning industry to concentrate on the development of a special tool for this purpose. Today, there is available to the trade a single-purpose mechanical cleaner suitable for almost every possible tube-cleaning requirement, as the author explains in this paper.

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