GB 25501-2019: Minimum allowable values of water efficiency and water efficiency grades for faucets

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Scope

This Standard specifies minimum allowable values of water efficiency,
evaluating values of water conservation, water efficiency grades and test
methods for faucets.
This Standard is applicable to water efficiency evaluation for wash-basin
faucets, kitchen faucets, bidet faucets and ordinary faucets that are mounted at
cold and hot water supply pipe ends in buildings, that the nominal pressure
(static pressure) is not greater than 1.0MPa, and the medium temperature is
4°C~90°C.
This Standard is not applicable to the faucets with delayed self-closing function.

Basic Data

Standard ID	GB 25501-2019 (GB25501-2019)
Description (Translated English)	Minimum allowable values of water efficiency and water efficiency grades for faucets
Sector / Industry	National Standard
Classification of Chinese Standard	Y71
Classification of International Standard	91.060
Word Count Estimation	6,620
Date of Issue	2019-12-31
Date of Implementation	2020-07-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration