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GB 18145-2014 English PDF (GB18145-2014)

GB 18145-2014 English PDF (GB18145-2014)

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GB 18145-2014: Ceramic cartridge faucets

This Standard specifies the terms and definitions, classification and name, materials, supporting devices, requirements, test methods, inspection rules, marks, package, transport and storage of ceramic cartridge faucets.
GB 18145-2014
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 91.140.70
Q 31
GB/T 18145-2014
Replacing GB 18145-2003
Ceramic cartridge faucets
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ISSUED ON. MAY 6, 2014
IMPLEMENTED ON. DECEMBER 1, 2014
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative references ... 6
3 Terms and definitions ... 7
4 Classification and name ... 8
5 Material ... 9
6 Supporting devices ... 9
7 Requirements ... 9
8 Test methods ... 17
9 Inspection rules ... 23
10 Marks, package, transport and storage ... 25
Appendix A ... 27
Appendix B ... 38
Appendix C ... 44
Appendix D ... 47
Appendix E ... 49
Appendix F ... 52
Appendix G ... 54
Appendix H ... 55
Foreword
7.4, 7.6.2, 7.6.3.1 and 7.6.9 of this Standard are mandatory; the rest are recommendatory.
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB 18145-2003 ?€?Ceramic cartridge faucets?€?. Compared with GB 18145-2003, the main changes are as follows.
- Modified the application scope of product; medium temperature was
modified from ?€?not less than 90??C?€? to ?€?4??C~90??C?€? (shown in Clause 1);
- Added product?€?s name (shown in 4.2);
- Deleted marks and examples (shown in 4.2 of 2003 Edition);
- Deleted ceramic surface quality and classification (shown in 4.3 of 2003 Edition);
- Modified requirements for material (shown in Clause 5, Clause 5 of 2003 Edition);
- Added supporting devices (shown in Clause 6);
- Deleted requirements for ceramic hardness (shown in 6.1.7 of 2003 Edition); - Deleted air sealing performance test in water (shown in 6.3.2 of 2003 Edition);
- Deleted thermal fatigue test (shown in 6.3.4.4 of 2003 Edition);
- Added precipitation limit of metal contamination in faucets (shown in 7.4); - Modified requirements for valve body strength properties (shown in 7.6.1, 6.3.1 of 2003 Edition);
- Added requirements for sealing performance of top shower and hand
shower switch (shown in 7.6.2);
- Modified requirements for faucet flow (shown in 7.6.3.1, 6.3.3 of 2003 Edition);
- Added requirements for sensitivity of single handle and double-pipeline faucets (shown in 7.6.3.2);
Ceramic cartridge faucets
1 Scope
This Standard specifies the terms and definitions, classification and name, materials, supporting devices, requirements, test methods, inspection rules, marks, package, transport and storage of ceramic cartridge faucets (hereinafter referred to Faucets).
This Standard is applicable to all kinds of faucets that are mounted on hot and cold water pipeline ends in the building, of which the working pressure (static) is not greater than 1.0 MPa and the medium temperature is between 4??C~90??C. 2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part1. Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (ISO 2859-1.1999, IDT)
GB/T 5270-2005 Metallic coatings on metallic substrates - Electrodeposited and chemically deposited coatings - Review of methods available for testing adhesion (ISO 2819.1980, IDT)
GB/T 5750.6 Standard examination methods for drinking water - Metal
parameters
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 (ISO 10289.1999. IDT) 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 7306.1-2000, eqv ISO 7-1.1994)
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 7306.2-2000, eqv ISO 7-1.1994)
GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads (GB 7307-2001, eqv ISO 228-1.1994)
GB/T 9286-1998 Paints and varnishes - Cross cut test for films (eqv ISO 2409.1992)
GB/T 10125-2012 Corrosion tests in artificial atmospheres - Salt spray tests (ISO 9227.2006, IDT)
GB/T 23447 Shower outlets for bathing
GB/T 23448 Flexible hose for sanitary tapware
JC/T 932 Drainage fittings for sanitary wares
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Ceramic cartridge faucets
A terminal device that takes ceramic as sealing element, uses relative
movement of ceramic to realize water passing, water shutoff, adjustment of outlet flow rate and / or temperature.
3.2 Single handle
It controls water flow by a handle or hand wheel; it may have water temperature. 3.3 Double handles
It controls water flow and water temperature by two handles or hand wheels. 3.4 Single pipeline
Faucet controls a pipeline of (cold or hot) water supply.
3.5 Double pipelines
Faucet controls two pipelines of (cold or hot) water supply.
3.6 Flow regulator
The device that is mounted at water outlet of faucet to change faucet flow. 3.7 Upstream of obturator
The part from water inlet of faucet to obturator.
5 Material
5.1 All materials used by the product in contact with drinking water, shall not cause harm to human health or any change in water quality, appearance, taste, and smell to drinking water, under conditions of use specified in this document. 5.2 The part of product in contact with water shall not use zinc alloy or other corrosive materials. Under conditions of ensuring product performance,
materials used in product shall comply with relevant standards for material. 6 Supporting devices
6.1 The shower that supports shower faucets and bath / shower faucets shall comply with the provisions in GB/T 23447.
6.2 The supporting hose of faucets shall comply with the provisions in GB/T 23448.
6.3 The supporting drain accessories of faucets shall comply with the provisions in JC/T 932.
7 Requirements
7.1 Appearance
7.1.1 The gloss of coating surface shall be even; there shall be no peeling, cracking, burning, turning on at the end, peeling, dark spots and obvious pitting, burrs or other defects.
7.1.2 The tissue of coating surface shall be fine, with smooth and uniform color; there shall be no sagging, turning on at the end or obvious defects such as scratches and bumps.
7.1.3 The polishing surface shall be smooth; there shall be no obvious burrs, scratches or bumps.
7.2 Screw thread
7.2.1 The surface of screw thread shall be smooth; there shall be no obvious defects such as dents and broken teeth.
7.2.2 External sealing pipe thread of product shall comply with the provisions in GB/T 7306.1 or GB/T 7306.2. External unsealing pipe thread of product shall comply with the provisions in GB/T 7307, of which external screw thread shall 9 Copper 130.0
10 Mercury 0.2
11 Selenium 5.0
12 Thallium 0.2
13 Bismuth 50.0
14 Nickel 20.0
15 Manganese 30.0
16 Molybdenum 4.0
7.5 Sizes
Faucet sizes shall comply with the provisions in Appendix A. Other sizes shall be determined by the seller and the buyer.
7.6 Performance
7.6.1 Mechanical properties of water pressure resistance
Faucet?€?s mechanical properties of water pressure resistance shall comply with the provisions in Table 2.
Table 2
Conduct the test by using cold water as medium
Requirements
Inspection position Obturator position
Outlet
state
Test conditions
Pressure
/ MPa
Duration
/ s
Upstream of
obturator Off On 2.5??0.05
60??5
No permanent
deformation for any
part of upstream of
obturator
Downstream of
obturator with flow
regulator
On On
0.4??0.02 No permanent
deformation for any
part of downstream
of obturator
Downstream of
obturator without
flow regulator
Pressure...

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