Smoke exhaust fire damper is a kind of fire-fighting component. As a fire-fighting component, necessary inspection items should be carried out when it is applied in various environments. The quality inspection of smoke exhaust fire dampers shall be conducted by professional inspection departments, and sampling inspection shall be conducted according to the inspection basis, inspection items and other regulations. The main purpose is to standardize the quality of fire dampers for ventilation and smoke exhaust in Le Xuan.

The valves of smoke exhaust fire dampers should be closed along the airflow direction, and the smoke exhaust fire dampers on both sides of the partition wall of the fire zone should not be more than 200mm away from the wall end face. Manual and electric devices should be flexible and reliable, valves should be closed tightly, and independent supports and hangers should be set up. When the air duct is made of incombustible materials for fire prevention and heat insulation, the installation position of the valve shall be clearly marked.

Matters needing attention in the use of smoke exhaust fire damper

If the smoke exhaust system is also a ventilation/air conditioning system, not only the requirements of ventilation and air conditioning, but also the requirements of rapid smoke exhaust/fire prevention in case of fire should be considered. Fire dampers are also suitable for installing ventilation and air conditioning pipes. If the ceiling is a suspended ceiling, it cannot be reset manually.

Smoke exhaust fire damper is suitable for air ducts in ventilation and air conditioning systems that need smoke prevention and fire prevention, and is an ideal choice for key buildings with halon active rescue devices. Please turn it off before releasing gas during rescue. When the service life expires, it is necessary to reopen the valve for ventilation and exhaust.

For the above contents, please refer to Baidu Encyclopedia-Smoke Exhaust Fire Damper.