With out suitable actions set up, fire and smoke can distribute speedily via a building through air flow systems. Fire dampers and air flow accessories are vital to minimising this hazard. In contrast to one or multi blade dampers, iris duct dampers consist of a series of overlapping blades that, https://judahyqgui.tinyblogging.com/everything-about-air-control-dampers-for-hot-climates-80350009