Shopping mall electric fire shutter door

Shopping mall electric fire shutter door In the larger opening of the building, the size of the ordinary fire door cannot be met, at this time, the fire shutter door is used. Fire shutter doors play the role of fire separation with the firewall, often installed in the large span door is not convenient to install the firewall, widely used in industrial and civil building fire zone, is an important fire prevention equipment. Electric Rolling Shutter Door Fireproof rolling shutter door is composed of 13 parts, such as curtain plate, guide rail, control box, limit, door lintel, door rolling machine, switching device, etc. According to the material, it can be divided into steel fireproof rolling shutter door, steel composite lateral fireproof rolling shutter door, inorganic super folding fireproof rolling shutter door, etc. According to the installation form can be divided into wall, wall side two; It can be divided into upper roll and side roll according to the opening dire…