防火阀安装位置 [课程编码672]

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4．4．10  排烟管道下列部位应设置排烟防火阀：wevxgmoqimccxxcvgscmyrn

    1  垂直风管与每层水平风管交接处的水平管段上；frtlsrphnuaswuotcfd

    2  一个排烟系统负担多个防烟分区的排烟支管上；yjntzqzqrxpyozwofaiwjsxsamuhwsifnwpycxdpkaps

    3  排烟风机入口处；frtlsrphnuaswuotcfd

    4  穿越防火分区处。cxrzqhfoefzgqlvxtdkqsfjwxwkinivaieysnvaqp

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建筑防烟排烟系统技术标准 [附条文说明] GB51251-2017pwyssairmscqsiheuiwdljppmqrhxmqujowpr

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