Product function: wind resistance, anti-theft, fast, heat preservation
Opening speed: 1.2m/s-2.5m/s, adjustable
Closing speed: not less than 0.6m/s, adjustable
Size range: width 1250mm~7000mm, height 2000mm~7500mm
Product description: hard fast door, all-metal aluminum curtain. It is suitable for outdoor applications with extremely high requirements on appearance, safety, speed and performance. This door has an eye-catching and stylish design, no matter what building it is installed on, it will make the building icing on the cake. The rigid fast door adopts a metal door structure, which can be used directly as an outer door. Its unique driving technology allows no friction between the curtains, making the door almost no noise when running at high speed.