1. The fire shutter door plays the same role as the fire wall and plays a horizontal fire separation. It consists of a curtain plate, a seat plate, a guide rail, a support, a reel, a box body, a control box, a rolling door machine, a limiter, a door lintel, and a manual quick release switch. It is composed of 13 parts such as device, button switch and safety device, and is generally installed in a place where it is inconvenient to be separated by a firewall. Such as: open elevator halls, escalators, large business halls of department stores, exhibition halls of exhibition buildings, and parts of buildings with large openings that cannot be used for fire doors and windows. Fire shutter doors have been widely used in construction projects to make fire separation.
2. Fireproof shutter doors are indispensable fireproof facilities in modern high-rise buildings. In addition to the functions of ordinary doors, fireproof doors have special functions of fire prevention, smoke isolation, suppression of fire spread, and protection of personnel evacuation. They are widely used in high-rise buildings and large shopping malls. And other crowded occasions.
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