Automatic sprinkler systems—Part 7:Water flow indicators
中华人民共和国应急管理部
GB 5135的本部分规定了自动喷水灭火系统水流指示器的分类、型号、要求、试验方法、检验规则、标志、使用说明书及包装、运输、贮存。
本部分适用于自动喷水灭火系统中的叶片型水流指示器，其他类型的水流指示器可参照使用。
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