Classification and application scope of fire rolling shutter door
2021-10-11
The fire rolling shutter has the same function as the firewall to play a horizontal fire separation. It is composed of 13 parts, such as shutter, base plate, guide rail, support, reel, box, control box, door rolling machine, limiter, door header, manual quick release switch, button switch and safety equipment. Generally, the equipment is at the location where it is not convenient to use firewall for separation. For example, open the elevator hall, escalator and department store
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