GB 34914-2021: Minimum allowable value of water efficiency and water efficiency grades for water purifier

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Scope

This document specifies the minimum allowable value of water efficiency and
water efficiency grades, technical requirements, and test methods for water
purifier.
This document applies to small water purifiers which use municipal tap water
or other centralized water supply as raw water, and use reverse osmosis
membrane or nanofiltration membrane as the main purification element for use
in households or similar places.
This document does not apply to large water purifiers with a length or width or
height ≥2000 mm, mass ≥100 kg, and purified water flow rate ≥3 L/min.

Basic Data

Standard ID	GB 34914-2021 (GB34914-2021)
Description (Translated English)	Minimum allowable value of water efficiency and water efficiency grades for water purifier
Sector / Industry	National Standard
Classification of Chinese Standard	Q31
Word Count Estimation	10,180
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration