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GB/T 23447-2009 English PDF (GBT23447-2009)

GB/T 23447-2009 English PDF (GBT23447-2009)

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GB/T 23447-2009: Shower outlets for bathing

This standard specifies the terms and definitions, materials, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of the shower outlets for bathing.
GB/T 23447-2009
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 91.140.70
Q 31
Shower outlets for bathing
ISSUED ON. MARCH 28, 2009
IMPLEMENTED ON. JANUARY 01, 2010
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 4
4 Material ... 6
5 Technical requirements ... 6
6 Test methods ... 8
7 Inspection rules ... 16
8 Marking, packaging, transportation and storage ... 19
Appendix A (Normative) Shower temperature drop test method ... 20
Appendix B (Normative) Shower average jet angle test method ... 23
Foreword
The relationship between this standard and EN 1112.1997 ?€?Shower outlets for (PN 10) sanitary tapware and AS/NZS 3662.2005 ?€?Performance requirements of shower?€? is not equivalent.
The Appendix A, Appendix B of this standard are normative.
This standard was proposed by the China Building Materials Federation.
This standard shall be under the jurisdiction of the National Building and Sanitary Ceramics Standardization Technical Committee (SAC/TC 249).
The responsible drafting organizations of this standard. Xianyang Ceramics Research and Design Institute, National Building and Health Ceramic Quality Supervision and Inspection Center.
The participating drafting organizations of this part. GOMOO Group Co., Ltd. The main drafters of this standard. Duan Xianghu, Liu Youhong, Lin Shengyan, Deng Xiaoqing, Li Zhi, Xie Xiaojun.
This standard is released for the first time.
Shower outlets for bathing
1 Scope
This standard specifies the terms and definitions, materials, technical requirements, test methods, inspection rules, marking, packaging,
transportation and storage of the shower outlets for bathing (hereinafter referred to as the shower).
This standard applies to the shower outlet having a dynamic pressure of 0.05 MPa ~ 0.5 MPa, the water temperature not exceeding 70 ??C during use.
2 Normative references
The provisions in following documents become the provisions of this Standard through reference in this Standard. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard; however, parties who reach an agreement based on this Standard are
encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. 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 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 7307 Pipe-threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 10125-1997 Corrosion tests in artificial atmospheres - Salt spray tests 3 Terms and definitions
The following terms and definitions apply to this standard.
Head shower
The shower fixed to the user's top or side, which directly spray the shower user from top or side.
4 Material
The materials used in the product shall not cause any pollution to the water quality, it shall not allow the use of easily corrosive materials. After the product is subject to 90 ??C hot water not exceeding 1 min, the smell of water does not change.
5 Technical requirements
5.1 Appearance quality
5.1.1 The outer surface of copper castings shall be free from shrinkage, pinhole, cracks and other defects, the cavity shall not be attached with sand.
5.1.2 The outer surface of plastic parts shall be free from obvious wrinkles, scratches, trimming damages, and other defects.
5.1.3 All surfaces which are accessible by human being during use shall be free from sharp corners and other potential hazards to human body.
5.1.4 After installation, the appearance of electroplated surface shall not have exposed areas, the surface shall be bright, uniform, and be free from peeling, stripping, or blistering.
5.2 Pipe-thread?€?s precision
The precision of pipe-thread of the shower external coupling shall meet the requirements of class B precision in GB/T 7307. Special thread shall be in accordance with the contract requirements.
5.3 Safety performance
5.3.1 When tested in accordance with the provisions of 6.3.1, the water jet method shall not change.
5.3.2 When tested in accordance with the provisions of 6.3.2, the water jet method shall not change.
5.4 Surface coating and plating quality
5.11 Rotating connection performance
When the product equipped with rotational joint is subject to the test in accordance with the provisions of 6.11, the torque at the time of rotation of the shower shall not exceed 0.1 N ?€? m.
5.12 Shower function conversion life
The shower with two or more water jet methods shall be subject to this test. After 10000 cycles in accordance with the provisions of 6.12, it shall comply with the requirements of 5.5.
5.13 Hand-held shower backflow prevention performance
Hand-held shower shall have backflow prevention function, which shall be tested in accordance with the provisions of 6.13, the water level rise shall not exceed 13 mm.
5.14 Spherical connection swing performance
The mobile fixed shower or shower outlet provided with spherical connections shall be subject to this test, after 10000 cycles in accordance with the provisions of 6.14, the spherical connection shall be free from leakage.
5.15 Average jet angle
When tested in accordance with the provisions of 6.15, the average jet angle shall be. 0?? ??? ?? ??? 8??.
Note. This item is only applicable when there is contractual requirement. 5.16 Jet uniformity
When tested in accordance with the provisions of 6.16, within the range of diameter 120 mm, the amount of water received shall not be more than 70% and not less than 40% of the total amount of water; within the range of diameter 420 mm, the amount of water received shall be not less than 95% of the total amount of water.
Note. This item is only applicable when there is contractual requirement. 6 Test methods
6.1 Appearance quality
At a distance of 600 mm ?? 50 mm, MAKE visual observation at 300 lx ?? 20 lx light conditions.
6.2 Thread precision
Pipe-thread?€?s precision at the shower external connection parts shall be determined by the thread gauge of corresponding precision.
6.3 Safety performance test
6.3.1 INSTALL the shower to the state of use, at the temperature of 42 ??C ?? 3 ??C, respectively, at a dynamic pressure of 0.10 MPa ?? 0.02 MPa and dynamic pressure 0.30 MPa ?? 0.02 MPa, USE it stably for 10 min ?? 10 s, USE hand touching method to check whether each part of the shower is flexible; CHECK whether each water jet method of the shower is changed.
6.3.2 INSTALL the shower to the state of use, at the temperature of 70 ??C ?? 3 ??C, respectively, at a dynamic pressure of 0.05 MPa ?? 0.02 MPa and dynamic pressure 0.50 MPa ?? 0.02 MPa, USE it stably for 10 min ?? 10 s, USE hand touching method to check whether each part of the shower is flexible; CHECK whether the shower has significant deformation; CHECK whether each water jet method of the shower is changed.
6.4 Surface coating and plating quality
6.4.1 Quick cooling and heating resistance test
After the plastic parts are subjected to cyclic tests of surface coating and plating quality under the following conditions, at the distance 300 mm ?? 20 mm to the sample, MAK...

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