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Nonmetallic and foil-insulant composite air duct
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PDF similar to JG/T 258-2018
Basic data Standard ID | JG/T 258-2018 (JG/T258-2018) | Description (Translated English) | Nonmetallic and foil-insulant composite air duct | Sector / Industry | Building & Construction Industry Standard (Recommended) | Classification of Chinese Standard | P48 | Classification of International Standard | 91.140.30 | Word Count Estimation | 36,347 | Date of Issue | 2018-11-16 | Date of Implementation | 2019-05-01 | Older Standard (superseded by this standard) | JG/T 258-2009 | Quoted Standard | GB/T 191; GB/T 2624.3; GB 8624; GB/T 9969; GB/T 9978.1; GB 10294; GB/T 12703.4; GB 15930-2007; GB/T 18696.1; GB/T 18883; GB/T 24346; JGJ/T 141; JC/T 939; QB/T 2591-2003 | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | Summary | This standard specifies the classification and marking of non-metallic and composite ducts, general requirements, requirements, test methods, inspection rules, signs, instructions for use and certificates, packaging, transportation and storage. This standard is applicable to non-metallic and composite air ducts used in new, expanded and rebuilt industrial and civil building ventilation, air conditioning engineering and smoke control projects. |
JG/T 258-2018: Nonmetallic and foil-insulant composite air duct---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Nonmetallic and foil-insulant composite air duct
ICS 91.140.30
P48
People's Republic of China Construction Industry Standard
Replace JG/T 258-2009
Non-metallic and composite ducts
Published on.2018-11-16
2019-05-01 implementation
Ministry of Housing and Urban-Rural Development
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Classification and Marking 2
5 General requirements 4
6 Requirements 5
7 Test method 8
8 Inspection rules 10
9 logo, instruction manual and certificate 11
10 Packaging, transport and storage 12
Appendix A (informative) Air duct sheet and auxiliary parts requirements 13
Appendix B (informative) Test method for bulk density and water absorption of non-metallic duct sheets 15
Appendix C (normative appendix) Air duct specific friction test method 17
Appendix D (Normative Appendix) Test Method for Deformation of Hard Duct Wall and Air Leakage Per Unit Area 18
Appendix E (normative appendix) Test method for air leakage per unit area of air duct system 20
Appendix F (Normative Appendix) Test Methods and Judging Conditions for Duct Fire Performance
Appendix G (normative appendix) Air duct anti-condensation test method 23
Appendix H (Normative Appendix) Test Method for Impact Resistance of Flexible Ducts 25
Appendix I (Normative Appendix) Test Method for Release of Hazardous Gases from Ducts 27
Appendix J (normative appendix) Glass fiber duct fiber shedding test method 29
Appendix K (normative appendix) Air duct strength test method 31
Appendix L (Normative Appendix) Test method for permeate air volume per unit area of flexible ducts 32
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is a revision of JG/T 258-2009 "Non-Metal and Composite Ducts", and major technical changes compared to JG/T 258-2009.
as follows.
--- Increased terms and definitions for flexible ducts;
--- Simplified classification method;
--- Increased visual inspection requirements for flexible ducts;
--- Refine the classification of the air leakage of the duct;
--- Increased the limit of air pollutant concentration limit;
--- Increased the basic provisions of the BIM model;
--- Increased requirements for duct strength, mildew resistance, and antibacterial properties;
--- Increased the requirements for the instruction manual and certificate;
--- Modified the requirements for packaging, transportation and storage;
--- Increased test methods and determination conditions for duct fire resistance;
--- Increased air duct anti-condensation test method;
--- Increased test method for impact resistance of flexible ducts;
--- Increased the test method for fiberglass fiber duct shedding;
--- Increased duct strength test method;
--- Increased flexible duct permeability test method.
This standard was proposed by the Institute of Standardization of the Ministry of Housing and Urban-Rural Development.
This standard is under the jurisdiction of the Building Environment and Energy Conservation Standardization Technical Committee of the Ministry of Housing and Urban-Rural Development.
This standard was drafted. China Building Science Research Institute Co., Ltd., China Installation Association, China Gezhouba Group Real Estate Development Limited
Company, Tianjin Jinbeier Construction Engineering Test and Testing Technology Co., Ltd., Dukensos (Wuhan) Air Distribution System Co., Ltd., Tianjin Erjian
Hydropower Installation Engineering Co., Ltd., China Construction Fifth Bureau Industrial Equipment Installation Co., Ltd., Owens Corning (China) Investment Co., Ltd., Qingdao Eddie
Sibu Fabric Co., Ltd., Dukan New Materials (Wuhan) Group Co., Ltd., Chongqing Siyuan Construction Technology Co., Ltd.
The main drafters of this standard. Wang Zhichao, Li Xiaoyu, Zhao Dan, Yang Qiang, Tang Zhongchi, Jiao Jiahai, Shang Jingyuan, Xie Tianpeng, Tian Lai, Yang Yong, Tian Hui,
Feng Guangjun, Zhao Chenxi, Zhao Na.
The previous versions of the standards replaced by this standard are.
---JG/T 258-2009.
Non-metallic and composite ducts
1 Scope
This standard specifies the classification and marking of non-metal and composite ducts (hereinafter referred to as ducts), general requirements, requirements, test methods, inspection rules
Then, signs, instructions for use and certificates, packaging, transportation and storage.
This standard applies to non-metal and used in the construction, expansion and reconstruction of industrial and civil building ventilation, air conditioning engineering and smoke control projects.
Composite duct.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 191 packaging storage and transportation icon
GB/T 2624.3 Measuring full fluid flow with differential pressure devices installed in circular cross-section pipes - Part 3. Nozzles and
Nozzle
GB 8624 Classification of combustion properties of building materials and products
GB/T 9969 General guidelines for the use of industrial products
GB/T 9978.1 Fire resistance test methods for building components - Part 1. General requirements
GB 10294 Thermal insulation material - Determination of steady state thermal resistance and related characteristics - Shielding hot plate method
GB/T 12703.4 Evaluation of electrostatic properties of textiles
GB 15930-2007 Fire damper for building ventilation and smoke exhaust system
GB/T 18696.1 Measurement of sound absorption and acoustic impedance in acoustic impedance tubes - Part 1
GB/T 18883 indoor air quality standard
GB/T 24346 Evaluation of mildew resistance of textiles
JG J/T 141 Ventilation Pipeline Technical Regulations
JC/T 939 Antibacterial properties of antibacterial plastic pipes for construction
QB/T 2591-2003 Antibacterial plastic test method and antibacterial effect
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Nonmetal duct nonmetalicairduct
A duct made of one or more non-metallic materials.
3.2
Composite duct foil-insulantcompositeairduct
A duct made of a non-metallic material and a metal veneer.
3.3
Duct connector airductconnectingparts
Connect metal or non-metal parts of each duct.
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