T/CMA SB 003-2009 Active Group standards

T/CMA SB 003-2009 Measuring the flow rate of water in a fully enclosed pipe for drinking and hot water meters: Guidelines for selecting flow parameters

Publish Date: 2009-11-20 Implement Date: 2010-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CMA SB 003-2009

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Flow and level measurement instruments

ICS Name: The water supply system

Publish Date: 2009-11-20

Implement Date: 2010-01-01

Scope

Scope: This standard is applicable to all types of water meters when selecting flow parameters for verification according to the national standards GB/T 778.1-2007 "Measurement of Water Flow in Closed Full Pipes - Drinking Cold Water Meters and Hot Water Meters - Part 1: Specifications", GB/T 778.3-2007 "Measurement of Water Flow in Closed Full Pipes - Drinking Cold Water Meters and Hot Water Meters - Part 3: Test Methods and Test Equipment", and the national metrological verification regulations JJG 162-2009 "Cold Water Meters". Main technical content: This standard is applicable to all types of water meters with a maximum allowable working pressure (MAP) of ≥1MPa (for water meters with a nominal pipe diameter DN ≥ 500mm, it is 0.6MPa), and a maximum allowable working temperature (MAT) of 30℃ for drinking cold water meters, and up to 90℃ for hot water meters according to their respective grades.