本标准的目的是为满足NFPA 13D要求的单户、双户住宅和工业住宅（尺寸为¾英寸）的住宅消防喷淋应用提供冷水表的最低要求。（20毫米）至2英寸。（50 mm），包括材料和设计。本标准可在购买和接收冷水表的规范中引用，用于满足NFPA 13D要求的单户、双户住宅和工业住宅，尺寸为¾英寸。（20毫米）至2英寸。（50毫米）。 本标准可作为此类应用的冷水表制造指南。当本文件被引用时，本标准的规定适用，并且仅适用于满足NFPA 13D要求的住宅消防喷淋应用的冷水表。本标准不适用于仅提供消防喷淋系统的管线上使用的仪表。

The purpose of this standard is to provide the minimum requirements for coldwater meters for residential fire sprinkler applications that meet the requirements of NFPA 13D in one- and two-family dwellings and manufactured homes, in sizes ¾ in. (20 mm) through 2 in. (50 mm), including materials and design. This standard can be referenced in specifications for purchasing and receiving cold-water meters for residential fire sprinkler applications that meet the requirements of NFPA 13D in one- and two-family dwellings and manufactured homes, in sizes ¾ in. (20 mm) through 2 in. (50 mm). This standard can be used as a guide for manufacturing cold-water meters for these applications. The stipulations of this standard apply when this document has been referenced and then only to cold-water meters for residential fire sprinkler applications meeting the requirements of NFPA 13D. This standard does not apply to meters that are used on lines that supply only a fire sprinkler system.