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GB/T 20829-2021 English PDF

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Q: Should I purchase the latest version GB/T 20829-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20829-2021 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$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 20829-2021: Performance requirements and test method of fixed aerosol fire-extinguishing systems for ships
Status: Valid

GB/T 20829: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20829-2021	359	Add to Cart	4 days	Performance requirements and test method of fixed aerosol fire-extinguishing systems for ships	Valid
GB/T 20829-2007	479	Add to Cart	3 days	Performance requirements and test method of fixed aerosol fire-extinguishing systems for ships	Obsolete

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GB/T 33484 GB/T 21476

Basic data

Standard ID: GB/T 20829-2021 (GB/T20829-2021)
Description (Translated English): Performance requirements and test method of fixed aerosol fire-extinguishing systems for ships
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U23
Word Count Estimation: 18,147
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 20829-2021: Performance requirements and test method of fixed aerosol fire-extinguishing systems for ships

---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.
Performance requirements and test method of fixed aerosol fire-extinguishing systems for ships ICS 47.020.50 CCSU23 National Standards of People's Republic of China Replace GB/T 20829-2007 Ship fixed aerosol fire extinguishing system Performance requirements and test methods Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 20829-2007 "Performance requirements and test methods for fixed aerosol fire extinguishing systems on ships", and Compared with GB/T 20829-2007, in addition to structural adjustments and editorial changes, the main technical changes include. a) Modified normative references (see Chapter 2, Chapter 2 of the.2007 edition); b) The definitions of pyrotechnic aerosol and design density have been changed, and the definitions of aerosol extinguishing agent generators and efficiency coefficients have been added (see section 3. Chapter, Chapter 3 of the.2007 edition); c) Deleted the definition of "full submerged fire extinguishing system" (3.8 in.2007 edition); d) The formula for calculating the quality of the fire extinguishing agent has been changed (see 4.3.3, 4.3.3 of the.2007 edition); e) The test requirements for polymer plates have been added (see 4.4.9); f) The requirements of the user manual are changed, and the title of 4.5 is revised to "Precautions for Use" (see 4.5, 4.5 in the.2007 edition); g) Added spray test requirements (see 5.7); h) The installation height and quality requirements of the test medium are changed (see 5.8.3, 5.8.3 of the.2007 edition); i) The test fire combination requirements are changed (see Table 4, Table 4 of the.2007 edition). This document was proposed and managed by the National Marine Machinery Standardization Technical Committee (SAC/TC137). Drafting organizations of this document. China Shipbuilding Industry Comprehensive Technology and Economic Research Institute, Jiangxi Samsung Qilong Fire Safety Co., Ltd., Fujian Tianguang Fire Co., Ltd., Shanghai Xiaoxiang Fire Equipment Co., Ltd., Xi'an Rio Tinto Fire Technology Co., Ltd., Zhoushan City Quality and Technical Supervision, Inspection and Research Institute Research Institute. The main drafters of this document. Sun Meng, Chen Bin, Zhou Qun, Huang Yashu, Chen Xianlei, Li Chunming, Zhang Zanfeng, Li Liang. This document was first published in.2007, and this is the first revision. Ship fixed aerosol fire extinguishing system Performance requirements and test methods

1 Scope

This document specifies the performance requirements of the fixed fully submerged aerosol fire extinguishing system (hereinafter referred to as the fire extinguishing system) of the ship's Class A machinery space Summation test method. This document applies to the design, layout and testing of fire extinguishing systems.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 2423.1-2008 Environmental testing of electric and electronic products Part 2.Test method Test A. Low temperature GB/T 2423.2-2008 Environmental testing of electric and electronic products Part 2.Test method Test B. High temperature GB/T 2423.4 Environmental testing of electrical and electronic products Part 2.Test method Test Db Alternating damp heat (12h 12h cycle ring) GB/T 2423.10 Environmental Test Part 2.Test Method Test Fc. Vibration (Sine) GB/T 2423.18 Environmental test Part 2.Test method Test Kb. Salt spray, alternating (sodium chloride solution) GB/T 4968-2008 Fire Classification XF499.1-2010 Aerosol Fire Extinguishing System Part 1.Hot Aerosol Fire Extinguishing Device XF/T 506 Fire Smoke Toxicity Hazard Evaluation Method Animal Test Method ISO 14520-1.2015 Gas Fire Extinguishing System Physical Properties and System Design Part 1.General Requirements (Gaseous fire-extinguishingsystems-Physicalpropertiesandsystemdesign-Part 1.Generalrequirements)

3 Terms and definitions

The following terms and definitions defined in GB/T 4968-2008 apply to this document. 3.1 Aerosol A stable or quasi-stable substance system in which liquid (droplets) or solid particles are suspended in a gas medium. 3.2 Pyrotechnicalygeneratedaerosols A concentrated aerosol is formed in the pyrotechnic generator through medium filling and burning. Note. Smoke aerosol is also called hot aerosol. 3.3 Dispersed aerosols It is not produced by pyrotechnics, and is stored in a container with the help of carrier preparations (such as inert gases, halogenated hydrocarbons, etc.), through valves, ducts and nozzles Aerosols that are released into protected premises. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 20829-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 20829-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 20829-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 20829-2021_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 GB/T 20829-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20829-2021 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.