| 1. | Centrifugal fans displace air radially, changing the direction ( typically by 90?) of the airflow.
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| 2. | Since 200�F air weighs only 80 % of 70�F air, the centrifugal fan will create less pressure.
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| 3. | Two are more common : " centrifugal fan scrubbers " and " mechanically induced spray scrubbers ".
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| 4. | The centrifugal fan is a drum shape composed of a number of fan blades mounted around a hub.
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| 5. | Another type of vertical axis is the Parallel turbine, which is similar to the crossflow fan or centrifugal fan.
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| 6. | Since air weighs only 80 % of air, the centrifugal fan will create less pressure and require less power.
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| 7. | The centrifugal fan will displace a constant volume of air in a given system regardless of the air density.
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| 8. | Common uses include water, sewage, petroleum and petrochemical pumping; a centrifugal fan is commonly used to implement a vacuum cleaner.
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| 9. | Ventilation is accomplished partly by opening the windows, and partly by a forced-air system served by 2 twin centrifugal fans.
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| 10. | Air density corrections need to be taken into account for centrifugal fans that are specified for continuous operation at higher temperatures.
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