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Is it necessary to instal fire damper in both supply and return duct?

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تم إضافة السؤال من قبل binuraj chelakott
تاريخ النشر: 2016/07/17
simon firoz
من قبل simon firoz , Mechanical QA/QC Engineer , BLUESTAR QATAR WLL

Actually it depend upon the wall and the partition, for example : If the wall or the partition is fire rated , definitely Fire damper required ( for both supply and return) , if the wall or the partition Is non fire rated - fire damper not required ( for both supply and return).

chetan sharma
من قبل chetan sharma , Senior project engineer , trinity engineering services

no not neccesary it depends on the type of wall and area.

Mohammed Zeeshan Ahmed
من قبل Mohammed Zeeshan Ahmed , Mechanical Engineer , DAR ENGINEERING

Yes it is definately required to install the fire dampers in Supply and Return Air ducts in order to stop the fire passsing from the fire zone to the other areas. 

Subramanian Kali Asari
من قبل Subramanian Kali Asari , mechanical Construction Manager , Krish Engineering

Yes! Required must to avoid the unwanted things happen to the occupiers and machineries.

Martin Thomas vaz
من قبل Martin Thomas vaz , Senior Mechanical Engineer- Supervision consultant , ALKASHAF INTERNATIONAL-DESIGN AND ENGINEERING CONSULTANCY

Wherever the duct passing through the "walls are fire rated" firedampers are required in both supply & return ducts. Fire dampers of certain rated hours installed in a supply air duct in a fire rated partition supplying air from fire zone to non fire zone, is necessary in order to prevent spreading of fire from the source that is fire hazardous zone to another room which is not a fire zone. There should be return duct at the said fire rated partition as per HVAC design, and hence to comply to the fire code return duct too needs a fire damper.

 

TRABELSI ADEL
من قبل TRABELSI ADEL , HVAC Supervisor , Schneider Electric - France

If bouth ducts goes through fire rated wall. the answer is yes

Muhammad Arsalan Siddiqui
من قبل Muhammad Arsalan Siddiqui , Associate Director (MEP) , JLL

It depends on many situations sometimes it is installed on both sometimes on one. But the answer to your question is NO. IT IS NOT NECESSARY.

 

Regards

harish alam
من قبل harish alam , Mechanical Engineer , Seder Group

Hi binuraj,

 

Necessity of installing fire damper does not have any relation with supply or return ducts, As fire dampers are installed on both according to the requirement(Ducts passing through any enclosure which is build by fire rated materials).

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