This standard specifies the terms and definitions, classification and labeling, requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of sensor automatic thermostatic faucets (hereinafter referred to as “faucet”).
This standard is applicable to the sensor automatic thermostatic faucets with nominal pressure not greater than 0.5MPa and hot water temperature not greater than 85℃, which are installed in sanitary fittings such as washroom (toilet, bathroom, etc.), kitchen, hospital, hotel, etc., controlled by sensor switch, opened and closed by electrically operated valve, and automatically controlled by preselected temperature for the outlet water temperature.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrigendum), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition applies.
GB/T 1176 Specification for cast copper alloys
GB/T 2828.1-2003 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (apply to inspection of process stability)
GB/T 5121.1~5121.23-1996 Methods for chemical analysis of copper and copper alloys
GB/T 5270-2005 Metallic coatings on metallic substrates - Electrodeposited and chemically deposited coatings - Review of methods available for testing adhesion
GB/T 7306.1-2000 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 7306.2-2000 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 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 9286-1998 Paints and varnishes - Cross cut test for films
GB/T 12600-2005 Metallic coatings - Electroplated coatings of nickel plus chromium on plastics materials
GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 23448-2009 Flexible hose for sanitary tapware
CJ/T 194-2004 Non-contact water supply device
HG/T 3090-1997 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
QB 2806-2006 Thermostatic faucets
QB/T 3827-1999 Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products - Acetic salt spraying test (ASS)
QB/T 3832-1999 Evaluation of the corrosion test results of the metal deposits for the light industrial products
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
controller
closed whole unit consisting of electronic circuits such as sensor, intelligent logic processing, drive, and power supply, which is capable of controlling the opening and closing of the electrically operated valve
