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Equivalent Length

By The Home Ventilating Institute (HVI)

The length of straight duct that would have the same resistance to airflow as a fitting.

 

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Copyright © The Home Ventilating Institute. Some content originally appeared in John Bower's book, Understanding Ventilation, published in 1995 by The Healthy House Institute.

 

 

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Equivalent Length:  Created on October 4th, 2009.  Last Modified on October 29th, 2009

 

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