Fireproof side steel roller door was primarily designed for extra large holes. Its gearing equipment, roll door gadget and electronic control device are all installed inside the revolving axis box, are vertically installed can be turned at any angle from one side ,it has elegant appearance, stable operation, flexible open/close and low noise.

Technical performance

 Fire resistance time: over three hours;

 Heat radiation intensity: when the fire resistance experiment reached 3 hours, the maximum heat radiation intensity was 0.52W/cm2 around 3 meters away from the roller door;

 Wind pressure resistance: type 120 board B=3m, stride yield degree=55mm