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GB/T 26785-2011 English PDF

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GB/T 26785-2011: General technical specifications for water mist extinguishing systems and components
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Basic data

Standard ID GB/T 26785-2011 (GB/T26785-2011)
Description (Translated English) General technical specifications for water mist extinguishing systems and components
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard C84
Classification of International Standard 13.220.10
Word Count Estimation 63,624
Date of Issue 2011-07-20
Date of Implementation 2011-11-01
Quoted Standard GB 150; GB/T 1226; GB/T 1227; GB 5099; GB 5135.1-2003; GB 5135.3-2003; GB 5135.9-2006; GB 5749; GB/T 8979; GB/T 9969; GB 17323; GB 25972-2010; GA 61-2010; JB/T 9243; JB/T 9273; SY/T 0063-1999; TSG R0004-2009
Regulation (derived from) Announcement of Newly Approved National Standards No. 10 of 2011
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the water mist fire extinguishing systems and components for terms and definitions, classification and model preparation, the basic parameters, requirements, test methods, inspection rules, marking and instructions for use. This standard applies to water mist fire extinguishing systems and components.

GB/T 26785-2011: General technical specifications for water mist extinguishing systems and components


---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.
General technical specifications for water mist extinguishing systems and components ICS 13.220.10 C84 National Standards of People's Republic of China Water mist fire extinguishing systems and components General technical conditions components Issued on. 2011-07-20 2011-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Classification and model preparation 3 5 basic parameters 4 Requirements 5 6 7 Test Method 20 37 8 Inspection Rules 9 signs and instructions 42 Number of Appendix A (normative) system test procedures and sample 44 Number of Appendix B (normative) set of storage cylinders and sample test procedures 45 Number of Appendix C (normative) gas storage container 46 and sample test procedures Number of Annex D (normative) reservoir bottle 47 and sample test procedures set Appendix E (normative) water containers test procedures and the number of samples 48 Number of Appendix F (normative) safety relief device test program and sample 49 Annex G (normative) pressure relief device test program and sample number 50 Annex H (normative) partition control valve test procedures and sample number 51 Annex I (normative) Number of pump unit 52 and sample test procedures Appendix J (normative) pipe, tube test procedures and the number of samples 53 Annex K (normative) control panel (cabinet) test procedures and the number of samples 54 Annex L (normative) container valve (relief valve), gas check valve, drive means connected pipe test procedures and the number of samples 55 Number of Appendix M (normative) water mist nozzle 56 and sample test procedures

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard reference FM5560 "Water Mist System Standards" (2006, in English), UL2167 "fire-fighting system with water mist nozzles" (2004 in English), ISO 6182-9.2005 "Part 9 automatic sprinkler system. water mist nozzles" (in English) to develop. The standard proposed by the People's Republic of China Ministry of Public Security. This standard by the National Standardization Technical Committee fixed fire extinguishing system Technical Committee (SAC/TC113/SC2) centralized. This standard is drafted by. Ministry of Public Security in Tianjin Fire Research Institute. Participated in the drafting of this standard. Guangdong Provincial Public Security Department, Fire Department, Tianjin Shengda Security Technology Industrial Company, Shanghai Golden Shield Fire Safety Equipment Ltd., Guangdong wins Czech Fire Safety Enterprise Group, State Key Laboratory of Fire Science, University of Science in China, Henan Hailite Electrical Manufacturing Ltd., Germany special fog extinguishing systems limited liability company KG Shanghai Representative Office, Beijing is Tianqi Group Zhunxin Fire Engineering Equipment Co. the company. The main drafters of this standard. Li, Zhang Qiang, sip Fengying, Liu Lianxi, Chen Zemin, Yangzhen Ming, high Hun Sen, Lu Zheng Qiang, Li Baoli, Hao Ailing, Chen Yingxiong, Zhang Zhaoxian, Wu Xu Jian, Liao Xuan, Xu Zhiyuan, Hu Ming, Zhou Lu Ying. This standard is the first release. Water mist fire extinguishing systems and components General technical conditions

1 Scope

This standard specifies the terms and definitions water mist fire extinguishing systems and components, classification and model designation, the basic parameters, requirements, test methods, Inspection rules, signs and instructions for use. This standard applies to water mist fire extinguishing systems and components.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 150 steel pressure vessels GB/T 1226 General Pressure Gauge GB/T 1227 Precision pressure gauge GB 5099 seamless steel gas cylinders GB 5135.1-2003 Automatic sprinkler systems - Part 1. Sprinklers GB 5135.3-2003 Automatic sprinkler systems - Part 3. spray nozzle Part 9 GB 5135.9-2006 sprinkler systems. early suppression fast response (ESFR) sprinklers GB 5749 drinking water health standards GB/T 8979 nitrogen, high-purity nitrogen, ultra-pure nitrogen GB/T 9969 General Instructions industrial products GB 17323 bottled purified drinking water GB 25972-2010 gas fire extinguishing systems and components GA61-2010 fixed fire extinguishing system drive, control devices General JB/T 9243 glass gauge JB/T 9273 electrical contacts SY/T 0063-1999 Test method for pipeline leak detection coating Safety Technology Supervision TSGR0004-2009 Stationary Pressure Vessels

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Mist watermist At the minimum design working pressure, the spray nozzle and the droplet diameter of the nozzle axis in the plane down at 1m formed less than Dv0.50 200μm, Dv0.99 less than 400μm droplet of water. 3.2 Droplet diameter Dv099 dropdiameterDv099 Total volume of liquid in a spray, the percentage of the volume occupied by the droplet diameter or less was 99%.

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