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What are the general fire shutter doors?
Youtai fire shutter door plays the same role as firewall in horizontal fire separation. It consists of curtain plate, seat plate, guide rail, bracket, scroll, box, control box, door roller, limiter, lintel, manual quick release switch device, button switch, safety device, etc. 13. It is generally installed in places where it is inconvenient to use firewall for separation. For example, open elevator halls, escalators, large business halls of department stores, exhibition halls of exhibition buildings, and building parts where fire doors and windows cannot be used because of large openings. Youtai fire shutter doors have been widely used in construction projects.
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