Door closer to prevent smoke spread effect in the fire after
Publish Time：2017/07/31Click Rate：
Door closer to prevent smoke spread effect in the fire after it
Before answering this question, we must first look at the types of door closers, door closers,can generally be divided into electric door,fire door closers, and in our fire channel with us more is used for fire door closers. When the fire occurs in our channel, because the door closer with their own close the door, so it can effectively prevent the spread of the gas, in addition to fire door closers, automatic closing function can also cut off the oxygen in the air and fire, which can also reduce the fire to extinguish the fire, the indirect effect.