In the event of a fire, the smoke control facility raises the pressure by supplying air to the Pressurized Smoke Control Zone, and when the door is opened, the supplied air is discharged in a low pressure direction to prevent smoke from entering the Pressurized Smoke Control Zone to form wind. However, if the air is constantly pressurized, the supplied air leaks through the gap of the door of the Pressurized Smoke Control Zone and is discharged into the corridor or discharged into the corridor when the door is opened by the evacuee. If the exhausted air moves to the closed corridor and creates the same pressure as the Pressurized Smoke Control Zone, wind will not form when the evacuee opens the door to the Pressurized Smoke Control Zone, making it impossible to prevent the inflow of smoke.

AOV (Automatic Opening Vent) windows operating by wind pressure is a great way to solve this problem. When a fire occurs, the windows of the corridor are opened and the air moving from the Pressurized Smoke Control Zone to the corridor is discharged to the outside so that the pressure in the corridor does not increase. It is a device that improves the smoke control performance by keeping the pressure lower than the Pressurized Smoke Control Zone.

Key features

New technology products

Selected as a new firefighting technology product (The 26th Fire Fighting New Technology Evaluation - National Fire Agency on September 2020)

Construction cost and process reduction effects

As it is a system that replaces exhaust facilities (vertical ducts, dampers, and blowers) for discharging the air flowing into the corridor from the Pressurized Smoke Control Zone to the outside, it ensures excellent process and cost reduction effect by replacing high cost exhaust facilities.

Increased space utilization

By replacing the exhaust facility, it can secure an additional area of the Pressurized Smoke Control Zone, and can be applied to various types of windows for the purpose of exhausting.