1. It has three mode of operation, which are electric drive, manual drive, and self closing. The control cabinet located with Smoke/Heat Detector which can work independently and be controlled automatically by fire protection control system is featured for automatically control of opening & closing and two-step rolling down.
2. The fireproof performance: >=3.00 h
3. Smoke leak: <=0.2 m^3/(m^2. Min)
4. Opening & closing speed: 2~7.5 m/min
5. Running noise: <=75dB
6. Apply to the fire resistant partitions in industrial and civil construction.