Technical features:

1. The high-temperature resistant material is specially used for the soft connection between the inlet and outlet of the smoke control fan and the smoke exhaust pipeline.

2. Anti-corrosion glass fiber cloth, which is made by calendering or impregnating silicone rubber, is a new material connecting the fan and the smoke exhaust pipeline.

3. Extend the air outlet, and seal the air outlet of the internal machine with the ceiling, so as to reduce noise, avoid direct contact between the internal machine and the ceiling, and reduce the destructive impact of vibration on the ceiling during machine operation.