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How does the preaction sprinkler system work?

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Question ajoutée par magdy abd al nour , HVAC Site manger , First United Co.
Date de publication: 2015/06/10
magdy abd al nour
par magdy abd al nour , HVAC Site manger , First United Co.

it must take a signal to start from the detector even after the sprinkler glass  is broken by fire

Hasan Riaz
par Hasan Riaz , Mechanical Engineer , Saudi Bin Ladin Group (Hamad International Airport)

Pre-action sprinkler system works with double interlocking. After the check valve, there is air in the system to ensure that the area is water free in case of leaks. For sprinkler to operate, there must be both the detection of smoke by smoke detector and the open sprinkler head by the rise of heat in that area.

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