GB 28378-2019: Minimum Allowable Values of Water Efficiency and Water Efficiency Grades for Showers

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Scope

This Standard specifies the water efficiency grade, technical requirements and test
methods of showers.
This Standard is applicable to the water efficiency evaluation for the showers (including
sprinkler or sprinkler combinations) that is used in the shower room and other sanitary
facilities, and that is installed at the end of the cold and hot water supply pipelines in
the building, with a nominal pressure (static pressure) no greater than 1.0MPa, and
medium temperature of 4°C ~90°C.
This Standard is not applicable to showers with their own heating device and
thermostatic showers.

Basic Data

Standard ID	GB 28378-2019 (GB28378-2019)
Description (Translated English)	Minimum Allowable Values of Water Efficiency and Water Efficiency Grades for Showers
Sector / Industry	National Standard
Classification of Chinese Standard	Y71
Classification of International Standard	91.060
Word Count Estimation	8,862
Date of Issue	2019-12-31
Date of Implementation	2020-07-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration