UL SUBJECT 327-2011
防火系统的涡轮型流量计的调查大纲

OUTLINE OF INVESTIGATION FOR TURBINE TYPE FLOW METERS FOR FIRE PROTECTION SYSTEMS (Issue Number 5)


 

 

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标准号
UL SUBJECT 327-2011
发布日期
2011年01月25日
实施日期
废止日期
中国标准分类号
N12
发布单位
US-UL
适用范围
1.1 These requirements cover the construction and performance of turbine type water flowmeters for fire protection service of Type I, Type II or Type III construction. 1.2 The following items are outside the scope of these requirements: a) Materials and construction of the register; b) Evaluation of the by-pass components, including the by-pass meter if provided, except for body leakage and strength of body; c) Potability and; d) Stationary static gaskets, such as cover gaskets and ring gaskets used between flanges.




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