GB 28379-2022: Minimum allowable values of water efficiency and water efficiency grades for flush valves of plumbing fixtures

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Scope

This document specifies the minimum allowable values of water efficiency and water efficiency
grades, technical requirements and test methods for flush valves of squatting pans and urinals.
This document is applicable to flush valves of squatting pans and urinals installed on cold water
supply pipelines in building facilities and used under the condition that the static pressure of
the water supply is not greater than 0.6 MPa.

Basic Data

Standard ID	GB 28379-2022 (GB28379-2022)
Description (Translated English)	Minimum allowable values of water efficiency and water efficiency grades for flush valves of plumbing fixtures
Sector / Industry	National Standard
Classification of Chinese Standard	Y71
Classification of International Standard	91.060
Word Count Estimation	10,161
Date of Issue	2022-12-29
Date of Implementation	2023-07-01
Older Standard (superseded by this standard)	GB 28379-2012
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration