GB/T 23447-2023 English PDF (GBT23447-2023)

Delivery: 3 seconds. Download true-PDF + Invoice.
Get QUOTATION in 1-minute: Click GB/T 23447-2023
Historical versions: GB/T 23447-2023
Preview True-PDF (Reload/Scroll if blank)

GB/T 23447-2023: Sanitary ware - Shower for bathing
GB/T 23447-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 91.140.70
CCS Q 31
Replacing GB/T 23447-2009
Sanitary ware - Shower for bathing
ISSUED ON: AUGUST 06, 2023
IMPLEMENTED ON: MARCH 01, 2024
Issued by: State Administration for Market Regulation.
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 5
4 Materials ... 6
5 Technical requirements ... 6
6 Test methods ... 10
7 Inspection rules ... 20
8 Marking, packaging, transportation, storage ... 23
Appendix A (Normative) Temperature drop test method ... 24
Appendix B (Normative) Test method for shower average jet angle ... 28
Appendix C (Normative) Jet force test method ... 36
Sanitary ware - Shower for bathing
1 Scope
This document specifies the materials, technical requirements, test methods, inspection
rules, marking, packaging, transportation, storage of shower for bathing (hereinafter
referred to as shower).
This document is applicable to showers, which have dynamic pressures of 0.05 MPa ~
0.50 MPa and water temperatures of 4 °C ~ 70 °C.
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 Sampling procedures for inspection by attributes - Part 1: Sampling
schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 6461 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 9286 Paints and varnishes - Cross-cut test
GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Shower
the B-level accuracy requirements in GB/T 7307. Special threads as per contract
requirements.
5.3 Safety performance
5.3.1 Conduct the test in accordance with 6.3.1. Each component of the shower shall be
flexible; the shower shall have no obvious deformation; its water jet pattern shall not
change.
5.3.2 Conduct the test in accordance with 6.3.2. Each component of the shower shall be
flexible; the shower head shall have no obvious deformation; its water jet pattern shall
not change.
5.4 Surface coating and plating quality
5.4.1 Resistance to rapid cooling and heating
The test shall be carried out in accordance with the provisions of 6.4.1. The surface
coating and plating shall be free of damage.
5.4.2 Corrosion resistance
Carry out salt spray test in accordance with the provisions of 6.4.2. The surface
appearance grade of surface coating and electroplating shall meet the requirements of
level 9 in GB/T 6461.
5.4.3 Coating adhesion strength
The test shall be carried out in accordance with the provisions of 6.4.3. It shall meet the
requirements of level 1.
5.5 Sealing performance
Carry out the test in accordance with the provisions of 6.5. There shall be no leakage at
the connection parts of each component.
5.6 Mechanical strength
Carry out test in accordance with 6.6. There shall be no cracks, visible permanent
deformation or other damage. After test, it shall meet the requirements of 5.5.
5.7 Hot and cold fatigue resistance
The test shall be carried out in accordance with the provisions of 6.7. There shall be no
leakage, cracks, visible permanent deformation or functional failure. After test, it shall
meet the requirements of 5.5.
5.8 Flow
an anti-siphon function. The anti-siphon performance is tested, in accordance with the
provisions of 6.14; there is no visible water level in the transparent tube.
5.15 Ball joint swing performance
For movable head showers or shower heads with ball connections, this test shall be
carried out. After 10000 cycles in accordance with the provisions of 6.15, there shall be
no leakage at the ball connection part and shall meet the requirements of 5.19.
5.16 Average jet angle
The test is carried out in accordance with the provisions of 6.16. The range of the
average jet angle shall be 0° ≤ α ≤ 8°. This item is only available if contractually
required.
5.17 Spray uniformity
Carry out the test according to the provisions of 6.17. Within the range of 120 mm
diameter of the water collection pan, the volume of water received shall not be greater
than 70% and not less than 40% of the total water volume. Within the range of 420 mm
diameter of the water collection pan, the volume of water received shall not be less than
95% of the total water volume. Spray uniformity test is only performed, when required
by contract.
Note: Applicable to products whose maximum outer diameter of the spray holes does not
exceed 160 mm.
5.18 Function switching force
For multi-functional showers, when tested in accordance with the provisions of 6.18,
the function switching force or torque shall not be greater than 45 N or 1.7 N·m. For
products designed for people with disabilities, before and after the life test, the function
switching force or torque shall not be greater than 22 N.
5.19 Ball head swing force
For movable head showers with ball connections, the ball head swing force shall be
tested in accordance with the provisions of 6.19 and shall not exceed 45 N.
5.20 Drop test
Handheld showers are tested in accordance with the provisions of 6.20. Deformation or
cracks that affect safety and normal operation are not allowed. Parts that are separated
or fell off during the test can be reinstalled and the sample shall maintain normal
functions. After the test, the handheld shower shall comply with the requirements of 5.5.
5.21 Jet force
When tested in accordance with the provisions of 6.21, the average jet force of the
handheld shower shall not be less than 0.85 N. If the shower has multiple water jet
methods, the maximum average jet force will be used.
5.22 Head shower burst pressure test
For head showers (except showers with suction function), the test shall be carried out
in accordance with the provisions of 6.22. There shall be no leakage or damage.
6 Test methods
6.1 Appearance quality test method
Make a visual inspection, at a distance of 600 mm ± 50 mm from the shower, under the
lighting conditions of 300 lx ± 20 lx.
6.2 Pipe thread accuracy test method
The pipe thread accuracy of the external connection part of the shower is measured by
a thread gauge of corresponding accuracy.
6.3 Safety performance test
6.3.1 Install the shower in use state. At the water temperature at 42 °C ± 2 °C, the
dynamic pressure at 0.10 MPa ± 0.02 MPa and the dynamic pressure at 0.30 MPa ±
0.02 MPa respectively, after stable use for 10 min ± 10 s, check each component of
shower by hand, to see whether they are flexible; check whether the various water jet
modes of the shower have changed.
6.3.2 Install the shower head in use state. At the water temperature at 70 °C ± 2 °C, the
dynam...