don.miller posted on April 27, 2009 09:21

At first sight, a cooling tower fan is straightforward in its design, being essentially an axial fan to drive air through a piece of cooling equipment. It is only handling air and the rotational speeds are low, and so it tends not to receive much attention. However, the size of equipment in modern industrial plant means that the machines are now of a significant size and serious problems can result if care is not taken.
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