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JG/T 258-2018 English PDF

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Upon your order, we will start to translate JG/T 258-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

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Q: Should I purchase the latest version JG/T 258-2018?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JG/T 258-2018 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$829.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
JG/T 258-2018: Nonmetallic and foil-insulant composite air duct
Status: Valid

JG/T 258: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JG/T 258-2018	829	Add to Cart	6 days	Nonmetallic and foil-insulant composite air duct	Valid
JG/T 258-2009	919	Add to Cart	5 days	Nonmetallic and foil-insulant composite duct	Obsolete

Similar standards

GB/T 39976 GB 50243 GB 50738 JG/T 529 JGJ/T 258 JG/T 259

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Older Standard (superseded by this standard): JG/T 258-2009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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JG/T 258-2018_English be delivered?

Answer: Upon your order, we will start to translate JG/T 258-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JG/T 258-2018_English with my colleagues?

Answer: Yes. The purchased PDF of JG/T 258-2018_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version JG/T 258-2018?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JG/T 258-2018 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.