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GB/T 41863-2022Non-contact water supply devices—General technical specifications for water saving performance (English PDF)

非接触式给水器具节水性能通用技术条件

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 12, 2022

Implementation date

October 12, 2022

Scope

GB/T 41863-2022 is the English-translated version of 非接触式给水器具节水性能通用技术条件.

GB/T 41863-2022 fixes the water-saving performance requirements for non-contact water supply appliances and the methods used to test them.

It applies to non-touch faucets, non-touch showers, non-touch urinal flushometers and non-touch toilet flushometers fitted to cold and hot water supply pipework inside buildings where the supply static pressure is not greater than 1.0 MPa and the medium temperature is 4 °C to 90 °C. It defines the controller, built from sensing, discrimination, logic and drive circuits acting on a solenoid or electric valve, and the control distance measured to the controller window, and a normative annex gives the preparation of the high-hardness test water.

Among the standards it quotes are GB 25501-2019, GB 28378-2019 and GB 28379-2012. Issued on 12 October 2022, it has applied since that date.

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Document preview — GB/T 41863-2022

National Standard of the People's Republic of China

ICS: 91.140.70
Classification: P 40

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Requirements
5 Test method
Appendix A (Normative) Preparation method of high hardness aqueous solution for test

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

1 Scope

This document specifies the requirements and test methods for the water-saving performance of non-contact water supply appliances.

This document is applicable to the cold and hot water supply pipeline installed in the building, the static pressure of the water supply is not greater than 1.0MPa, and the medium temperature is 4°C~ 90°C non-touch faucets, non-touch showers, non-touch urinal flushometers and non-touch toilet flushometers.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 4208-2017 Enclosure protection level (IP code)

GB 4706.1-2005 Safety of Household and Similar Electrical Appliances Part 1: General Requirements

GB/T 6461-2002 Rating of specimens and specimens after corrosion tests of metal and other inorganic coatings on metal substrates

GB/T 10125 Artificial Atmosphere Corrosion Test Salt Spray Test

GB 25501-2019 Water efficiency limit value and water efficiency grade of faucets

GB/T 26750-2011 Pressure flushing device for sanitary ware toilet

GB 28378-2019 Water efficiency limit value and water efficiency grade of shower

GB 28379-2012 Water efficiency limit value and water efficiency grade of toilet flush valve

GB/T 35577 Terminology of water-saving products in buildings

QB/T 2806-2017 temperature control faucet

3 Terms and Definitions

The following terms and definitions defined in GB/T 35577 apply to this document.

3.1 Non-contact water supply device

Within a certain control distance, the human body or a part of the human body can make the controller drive the solenoid valve or electric valve to start the operation through non-contact induction. Closed operating water appliances.

3.2 Controller

Composed of electronic circuits such as sensors, discrimination, intelligent logic processing, and drives, it is a device that controls the opening and closing of solenoid valves or electric valves.

3.3 Control distance

In the axis direction of sensor reception or transmission, the water supply appliance can be reliably opened, and the furthest distance between the simulation board and the controller window.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB 4706.1-2005

Cited by

GB/T 35603-2024Green product assessment - Sanitary wares

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GB/T 35763-2026|GB/T 47399-2026|GB/T 44212-2024|GB/T 44755-2024|GB/T 12956-2023|GB/T 23447-2023

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