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Fire Damper or Motorized Damper?

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engggu

engggu

Mechanical
Joined
Apr 4, 2021
Messages
39
Location
PH
Dear engineers,

Good day!

I have supply and return air duct passing thru a 2hr fire rated wall supplying server room protected with AFSS.

Do I only need fire dampers or motorized combination smoke/fire dampers integrated with the afss?
Thank you
 
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