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Do you use backward or forward fan on return fan and why?

HVAC Fans
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Question added by Ahmed Ibrahim Abas saleh , pneumatics engineer , elhaggar misr
Date Posted: 2013/07/21
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Adrian Corneleo

It depends on the application for small static and low air flow rate Froward curved fans will be more suitable, due to its less noise.
For Large air volume and high static applications backward curved fans will be effective, and more efficient than FC fans.

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by Deleted user

backword to over come the high head loss

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