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挡烟垂壁选用不燃烧材料制成，是从顶棚下垂不小于500 mm的固定或活动的挡烟⌒设施设备产品。主要用于高层或㊣　层大型商场、写字楼以及仓库等场合，能有效阻挡烟雾在建筑顶棚下横向流动，以利提高在防烟分区内的排烟效果，对保障人民生命财产安

全起到积极作用。

挡烟∩垂壁主要用于高层或层大型商场、写字楼及仓库等人员密集的区域，安装在装饰吊☆顶内，隐蔽性好；具有电动驱动、备用电动驱动和手动驱动三套驱动系统，能保证在任何紧急状

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