3. he primary and secondary fans’ selection, according to the high efficiency, energy saving and low noise.

Usually, high-efficiency fans are called energy-saving fans, but the choice of high-efficiency fans is not equal to energy-saving. Because it also depends on whether the actual operating condition is near the maximum efficiency point of the fan performance curve, and if the operating condition is changing, it also depends on whether all or most of the actual operating conditions fall into the high efficiency area of the fan performance curve; If two different regulation methods are used to achieve the same goal, the actual energy saving effect may be very different. In other words, even in the same high-efficiency fan series, to achieve the same goal, there can be two or more types of fans However, the effect of energy saving varies greatly in actual operation, among which the high efficiency is not necessarily the most.
4. According to the environment, transport medium and special requirements.

Generally, high-efficiency fans are called energy-saving fans, but the selection of high-efficiency fans cannot reach energy saving, because it also depends on whether the actual operating condition is near the maximum efficiency point of the fan performance curve. If the operating condition is variable, it also depends on whether all or most of the actual working condition falls into the efficient area of the fan performance curve. As for the same high efficiency fan, if two different adjustment methods are used to achieve the same goal, the actual energy saving effects may be very different. In other words, even in the same high-efficiency fan series, in order to achieve the same goal, there can be two or more types of fans, but the energy saving effects in actual operation are also greatly different, among which the one with high efficiency is not necessarily the one with the most energy saving.

Select the type according to the environment, transport medium and special requirements.

China fan network


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