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SERVICES

Staircase Pressurization System

By kevin 
Detailed drawing of an pressurized Stairwell
The Staircase Pressurization Systems in Sri Lanka offered by Airflow Syetems will automatically operate in case of a fire in a high rise building. When the Fire alarm system will activate upon detecting the temperature and smoke. When signal goes to the pressurization fan the same will energize to pressure the staircase allowing the occupants to escape through the staircase and firefighters to battle the fire. Meanwhile some extraction fans installed in each area also will be operating to remove the smoke from occupied area. As the emergency exit doors typically open into stairways, the increased air pressure in the core arising from a pressurization system can prevent occupants from being able to open doors. To overcome this difficulty, it is compulsory to maintain Static Pressure as 50 Pa inside the staircase, higher than the occupied area while the Pressurization System is designed. If pressure different is more than 50 Pa, the occupants will not be able to exist through the doors which open to staircase due to higher pressure difference.

The high quality staircase pressurization systems in Sri Lanka by Airflow Systems can work in case of fire the fans incorporated would be complete with fire rated motors which can operate at least for 04 hours at the temperature of 300°C- 400°C until all the occupants are escaped. The Airflow Systems are with in hand ability to design the most effective Pressurization Systems with Reliable, European Standard Ventilation Fans Specially designed for smoke extraction in fire conditions.


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