Compressed air installation for fire containment in high rise building has low pressure chamber with ventilator and safety flap connected to extraction shaft

摘要

The compressed air installation for a fire fighting extraction shaft and prechamber in high buildings for preventing the spread of fire, smoke and gases in a safety area has a low pressure chamber (1), ventilator (2), overpressure safety flap (3) and air feed channel (4) directly connected to the extraction shaft.