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Standard
| GB 17428-1998 Fire resistance test method of ventilation ducts (English Version) |
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Detail of GB 17428-1998
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Introduction of GB 17428-1998
本标准规定了通风管道在标准火灾条件下耐火试验的试验原理、试验条件、试验装置、试验程序、判定条件和试验报告等项内容。本标准适用于安装在空调通风系统中的各种材质的管道。本标准适用于有支管、接口或无支管、接口的通风管道。本标准适用于火焰来自管道内部的通风管道。本标准不适用于火焰来自管道外部的通风管道。排烟管道的耐火试验可以参照本标准执行。
Contents of GB 17428-1998