Ventilation and air conditioning systems, air ducts and fire dampers are used as stopping the spread of fire and smoke; runs automatically.

Air ducts are installed, such as reinforced concrete and brick wall transitions can also be used.

Optionally, ventilation fans with the addition of warning key stoplaması yapılır.7

2 ° C melting imported insurance (flow switch) closes itself due to the wing and prevents the spread of fire in neighboring area.

It also prevents fuel to the fire by turning off the air circulation.

Air-handling units, air ducts and units, and a similar system is used. Of aluminum profiles and wings, the air flow rate adjustment mechanism that allows plastic gear plastic gear drive works. The wings and aerodynamic structure. Bearing on the wings with the backlash gears, precision and servemotor can be controlled by manual adjustment.