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Cold-Water Meters- Fire-Service Type
This standard describes the various types and classes of cold-water fire-service–type meters in sizes 3 in. (80 mm) through 10 in. (250 mm), and the materials and workmanship used in their fabrication. Fire-service meters shall consist of one of the following:
A. Combination of (1) a mainline meter of the turbine type (class II), either Underwriters Laboratories (UL) listed or FM Global Research (FM) approved; (2) either a UL-listed or an FM-approved fire-service strainer; (3) bypass meter of the appropriate size for measuring low flow rates; and (4) an automatic valve for diverting flow rates other than fire demand through the bypass meter.
B. Combination of (1) a mainline meter of the turbine type (class II), either UL listed or FM approved; and (2) either a UL-listed or an FM-approved fire-service strainer. This standard can be referenced in specifications for purchasing and receiving cold-water meters—fire-service type and can be used for manufacturing this type of meter. The stipulations of this standard apply when this document has been referenced and then only to cold-water meters—fire-service type.
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