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| Rotation and Discharge for Centrifugal Fans |
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| NOTES: 1. Direction of rotation is determined from drive side of fan. 2. On single inlet fans, drive side is always considered as the side opposite fan inlet. |
| Reprinted from
AMCA Publication 99 with the express written permission from the Air
Movement and Control Association International, Inc., 30 West University Drive, Arlington Heights, IL 60004-1893. |
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