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Ventilation and smoke exhaust doors

Ventilation and smoke exhaust doors

After more than 50 years of development, D + H has become one of the world's leading suppliers of exhaust and ventilation systems. With innovative solutions that provide a safe, healthy and comfortable atmosphere in buildings.

If there is a fire in a building, toxic fumes and gas are the greatest danger to humans. If a fire breaks out, 9 out of 10 people will die from poisoning from breathing poison gas. Therefore, it is important for a fire to be handled quickly, drawing toxic fumes and exhaust gas from the building.

Smoke and heat exhaust ventilators (SHEV) solution effectively drives smoke and flames out of the building and can save many lives. Controlled by fire detection sensors, they open areas in the upper wall or ceiling area, through which heated gas can escape.


Natural smoke and heat exhaust ventilators (NSHEV) is installed to redirect hot exhaust in the event of a fire to ensure that there is a smoke-free area near the floor and in emergency exits.

Application Solutions Technology Co., Ltd is honored to be the representative to supply equipment, as well as ventilation and exhaust systems of D + H in Vietnam.

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