Positive pressure air outlet is used for pressurized air supply during a fire, continuously supplying air to the ante-room through the outlet, maintaining positive pressure in the ante-room to ensure smoke does not spread in this area, thus providing a safe escape space.

When the temperature exceeds 280°C, there is no possibility of escape for people. The internal fuse will melt, and the air outlet will automatically close to prevent the spread of the fire. Typically installed on the walls of the staircase lobby and smoke shafts, they can also be mounted on...Smoke Control SystemPipe side or duct end.