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QB 2806-2006 English PDF (QB2806-2006)

QB 2806-2006 English PDF (QB2806-2006)

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QB 2806-2006: [Replaced by QB/T 2806-2017] Thermostatic faucets

This Standard specifies the terms and definitions, classification and marking, requirements, test methods, inspection rules and marking, packaging, transportation and storage of thermostatic faucets.
QB 2806-2006
ICS 91.060
Category No.. Y 71
Record No.. 18919-2006
Thermostatic faucets
Issued by. National Development and Reform Commission of PEOPLE Republic of China Table of Contents
Foreword ... 3
Introduction ... 5
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 7
4 Classification and marking ... 9
5 Service conditions ... 10
6 Requirements ... 10
7 Test methods ... 19
8 Inspection rules ... 21
9 Marking, packaging, transportation and storage ... 23
Annex A ... 25
Annex B ... 31
Annex C ... 37
Annex D ... 38
Annex E ... 42
Annex F ... 43
Annex G ... 44
Annex H ... 45
The Articles 6.1.1, 6.1.2, 6.4.1, 6.4.2, 6.4.3, 6.4.4, 6.4.5 and 6.4.6 of this Standard are compulsory provisions; the rest are recommended.
The development of this Standard has adopted, through modifications, the American Society of Sanitary Engineering ASSE 1016-2005 ?€?Performance Requirements for Automatic Compensating Valves for Individual Showers and Tub/ Shower Combinations?€?, and made references to the European standards EN 1111.1998 ?€?Thermostatic mixing valves (PN 10) - General technical specification?€?, EN 1287.1999 ?€?Low pressure thermostatic mixing valves -- General technical specifications?€?, ASME A112.18.1-2005/CSA B1125.1-2005 ?€?Plumbing supply fittings?€? and other foreign advanced standards. The main technical contents include. -- All the materials applied by the products in direct touch with drinking water shall comply with provisions of GB/T 17219;
-- Outlet water temperature stability. the deviation between the outlet water temperature of mixing water and the set temperature shall be ??? 2??C;
-- Safety. Within the first 5s after cold water is stopped, the water yield shall be ???200mL, which shall be able to control the maximum outlet water temperature to be 49??C; -- After the service-life test of thermostatic faucet, the sealing performance and outlet water temperature shall be within the changing range as specified.
The Annexes A, C, D, E, F, G and H are normative, while Annex B is informative. This Standard was proposed by China Light Industry Federation.
This Standard shall be under the jurisdiction by the Subcommittee on Building Hardware of National Technical Committee on Hardware of Standardization Administration of China. The drafting organizations of this Standard. Suprema (Zhuhai J/V) Thermostatic Sanitary Ware Co., Ltd., Zhoushan Pilima Sanitary Utensils Co., Ltd., Guangdong Meijie Plumbing Co., Ltd., Guangdong Chaoyang Sanitary Ware Co., Ltd., Wenzhou Hongsheng Group Co., Ltd., Shenluda Group Co., Ltd., Jomoo Group Co. Ltd., Fujian Huihuang Plumbing Group Co., Ltd., MOEN Guangzhou Faucet Co., Ltd., Shenzhen Globe Union Industrial Corp., Zoje Holding Group Co., Ltd., Ningbo Sino-japan San Sanitary Ware Co., Ltd., Zhuhai Mingshi Ceramics Valve Co. Ltd., Ningbo Jiuteng Ceramics Valve Co. Ltd., HENT Science and Technology Development Co., Ltd., National Building Material Industry Hardware and Plumbing Equipment Quality Supervision and Test Center.
The drafters of this Standard. Xie Qingjun, Lin Yongding, Su Lihua, Ye Guorong, Guan Hongsheng, Hong Guangming, Lin Shenyan, Wang Jianye, Chen Weikai, Qi Ruiliang, Shen Zhaorong, Zhang Zhouquan, Chen Zhengbao, Xie Xiangxin, Xin Yaode.
Thermostatic Faucets
1 Scope
This Standard specifies the terms and definitions, classification and marking, requirements, test methods, inspection rules and marking, packaging, transportation and storage of thermostatic faucets.
This Standard shall be applicable to the cold-hot water mixing faucets of which the nominal pressure is not more than 0.5MPa; used under the condition that the hot water temperature is not more than 85??C; installed in a lavatory (water closet and bathroom, etc.), kitchen and other sanitary facilities where the outlet water temperature is automatically controlled by the preset temperature.
2 Normative??references
The provisions contained in the following documents become the provisions of this Standard when they are quoted. For the dated documents so quoted, the modification lists (excluding the corrections) or revisions made thereafter shall not be applicable to this Standard, however, all parties who reach agreements based on this Standard are encouraged to study the possibility to implement the latest version of these documents. For the undated documents so quoted, the latest version shall be applicable to this Standard.
GB/T 1176-1987 Specification for cast copper alloys
GB/T 2828.1-2003 Sampling procedures for inspection by attribute ?€? 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 to inspection of process stability)
GB/T 5121.1 ~ 5121.23-1996 Method for chemical analysis of copper
GB/T 5270-2005 Metallic coatings on metallic substrates - Electrodeposited and chemically deposited coatings - 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 55 degree non sealing pipe threads
GB/T 9286-1998 Colored paint and varnish - Cross cut test on paint film 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 18145-2003 Ceramic cartridge faucets
HG/T 3090-1997 General rules of visual quality for molded and extruded rubber products HG/T 3091-2000 Rubber seals - Joint rings for water supply drainage and sewerage pipelines - Specification for materials
JC 886-2001 Hose for sanitary fittings
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 purpose of this standard, the following terms and definitions are applicable to this Standard.
Single handle, double handle
They refer to the number of handles (hand wheels) used to control the temperature and flow of faucets. The single handle means that one handle (hand wheel) is used to control the temperature and flow of faucets; the double handle means that two handles are used to control the temperature and flow of faucets.
Single control, double control
The single control refers to the thermostatic faucet where one control unit can regulate the flow and temperature. The double control refers to the thermostatic faucet where two separate control units are used to regulate the flow and temperature.
4 Classification??and??marking
4.1 Product classification
4.1.1 Classified by type of temperature-control
It shall be subject to the provisions of Table 1.
Table 1
Type Constant temperature faucet Constant pressure faucet
Constant temperature and
pressure faucet
Code T P TP
4.1.2 Classified by places of application
It shall be subject to the provisions of Table 2.
Table 2
Place of
application Shower Bathtub Lavation Washbasin
valve Others
Code L Y X M G Q
4.1.3 Classified by type of installation
It shall be subject to the provisions of Table 3.
Table 3
Type of installation Surface installation Hidden installation
Code M A
4.1.4 Classified by working pressure
It shall be ...

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