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一、FMSD系列自动闭门释放器按《高规》中 5.4 .1、5.4 .2项规定 ,用于疏散的走道、楼梯间和前室的防火门应具有自行关闭、顺序关闭、信号反馈等功能。本产品是特定专用配套产品 ,也可扩展应用于防火窗等。1.性能与特点1整体安装在门与门框上方 (类似闭门器 ) ,与周围墙体无关
First, FMSD series of automatic door closers According to “high regulation” 5.4.1.5.4.2 provisions of the evacuation of the walkways, staircases and front room fire doors should have their own closed, the order of closure, such as signal feedback Features. This product is a special supporting products, but also can be extended for fire windows. 1. Performance and features 1 The overall installation of the door and the door frame above (similar to the door closer), has nothing to do with the surrounding walls