CERTIFIRE认证：TS34防火门的的闭门器装置和配件
日期:2020-03-16 13:18
不管防火门是否安装了锁闩，这些闭门器装置适用于与非金属或金属防火门配套使用，包含用于控制烟雾泄露的防火门。
This TS defines the technical requirements, via testing and appraisal for the certification of
these door closing devices used to maintain the performance of insulated, partially
insulated or uninsulated fire resisting doorsets, as defined by EN 1634-1, EN 1634-2 or
EN 1634-3 for smoke control doorsets as appropriate. These door closing devices are
intended for use in conjunction with non-metal
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