GB/T 24293-2009 in English

《GB/T 24293-2009数控恒温水嘴》由TC174（全国五金制品标准化技术委员会）归口，主管部门为中国轻工业联合会。
本标准规定了数控恒温水嘴的术语和定义、分类和标记、使用条件、要求、试验方法、检验规则及标志、包装、运输、贮存。
本标准适用于公称压力不大于0.6 MPa、热水温度不大于85 ℃,安装在盥洗室(洗手间、浴室)、厨房、医院、宾馆等使用场所,出水温度受预设温度控制的数控恒温水嘴。

1 Scope

This standard specifies terms and definitions, classification and labeling, working conditions, requirements, test methods, inspection rules as well as Marking, packaging, transport and storage of digital thermostatic faucet (hereinafter referred to as "faucet").
This standard is applicable to the digital thermostatic faucet (nominal pressure not greater than 0.6MPa and hot water temperature not greater than 85℃) which is used in sites such as washroom (restroom and bathroom), kitchen, hospital and hotel and whose outlet water temperature controlled by the preset temperature.

2 Normative References

The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigenda), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document applies.
GB/T 1176 Specification for Cast Copper Alloys
GB/T 2423.1 Environmental Testing for Electric and Electronic and Electronic Products - Part 2: Test Methods - Tests A: Cold
GB/T 2423.2 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Tests B: Dry Heat
GB/T 2423.3 Environmental Testing for Electric and Electronic Products - Part 2: Testing Method Test Cab: Damp Heat Steady State
GB/T 2828.1 Sampling Procedures for Inspection by Attributes - Part1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability)
GB 4208 Degrees of Protection Provided by Enclosure (IP Code)
GB/T 5121 (All Parts) Methods for Chemical Analysis of Copper and Copper Alloys
GB/T 5231 Wrought Copper and Copper Alloys Chemical Composition Limits and Forms of Wrought Products
GB/T 5270 Metallic Coatings on Metallic Substrates - Electrodeposited and Chemically Deposited Coatings – Review of Methods Available for Testing Adhesion
GB/T 6461-2002 Methods for Corrosion Testing of Metallic and Other Inorganic Coatings on Metallic Substrates - Rating of Test Specimens and Manufactured Articles Subjected to Corrosion Tests
GB/T 7306.1 Pipe Threads with 55 Degree Thread Angle Where Pressure-tight Joints Are Made on the Threads - Part 1: Parallel Internal and Taper External Threads
GB/T 7306.2 Pipe Threads with 55 Degree Thread Angle Where Pressure-tight Joints Are Made on the Threads - Part 2: Taper Internal and External Threads
GB/T 7307 Pipe Threads with 55 Degree Thread Angle Where Pressure-tight Joints Are Not Made on the Threads
GB/T 9286 Paints and Varnishes - Cross Cut Test for Films
GB/T 10125 Corrosion Tests in Artificial Atmospheres - Salt Spray Tests
GB/T 12600 Metallic Coatings - Electroplated Coatings of Nickel plus Chromium on Plastics Materials
GB 14536.1-2008 Automatic Electrical Controls for Household and Similar Use - Part 1: General Requirements
GB/T 17219 Standard for Safety Evaluation of Equipment and Protective Materials in Drinking Water System
GB 18145 Ceramic Cartridge Faucets
GB/T 23448 Flexible Hose for Sanitary Tapware
HG/T 3090 General Rules of Visual Quality for Moulded and Extruded Rubber Products
HG/T 3091 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage Pipelines - Specification for Materials
HG/T 3097 Rubber Seals - Joint Rings for Pipelines for Hot-water Supply up to 110℃ - Specification for the Materials

3 Terms and Definitions

Contents
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification and Labeling
5 Working Conditions
6 Requirements
7 Test Methods
8 Inspection Rules
9 Mark, Packaging, Transport and Storage
Appendix A (Normative) Installation and Specification & Size of Faucet
Appendix B (Normative) Size of Faucet Connection End
Appendix C (Normative) Standard Hydraulic Damper
Appendix D (Normative) Test Method for Outlet Temperature Stability
Appendix E (Normative) Test on Outlet Temperature and Outlet Flow in case of Cold Water Supply Failure (All Models)
Appendix F (Normative) Durability Test for Faucet
Appendix G (Informative) Technical Requirements for Mini Hydrodynamic Generator
Appendix H (Informative) Faucet Noise Limits and Test Method
Bibliography