New 5WL/AL Blade |
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21.02.2006 |
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In response to a requirement from one of our customers we have developed a new fan blade called 5W. Our customer has a
demand for impellers with optimum performance in diameters with 1000mm and 1120mm. The impellers are used in various
cooling applications such as evaporators and air-cooled condensers. Previously they have used 9 and 12-bladed 5Z impellers
but in some cases this solution proved not to be strong enough. In these cases they used a 6W solution. However, in the
long run the 6W solution was too high priced and the pressure created by the 6W was also too high. Hence one of the
important design parameters was to come up with a more inexpensive solution, and to take out some of the pressure from
the 6W blade. Therefore, the 5W is a shorter and slimmer version of the 6W blade. With a length of 426,8mm it can reach 1127,6mm in a 5 or a 6-bladed W retaining plate. Due to the requirement from our customer this blade is initially available in an L version and in AL only. |