GA/T 716-2007 English PDF

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GA/T 716-2007: Test methods for electrical or optical cables under fire conditions--Flame spread, heat release and smoke production measurement during test

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 716-2007	1059	Add to Cart	6 days	Test methods for electrical or optical cables under fire conditions--Flame spread, heat release and smoke production measurement during test

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Basic data

Standard ID: GA/T 716-2007 (GA/T716-2007)
Description (Translated English): Test methods for electrical or optical cables under fire conditions--Flame spread, heat release and smoke production measurement during test
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: C80
Classification of International Standard: 13.220.40
Word Count Estimation: 33,398
Date of Issue: 2007-10-17
Date of Implementation: 2007-12-01
Quoted Standard: ISO 3966-1997; ISO 9705-1993; EN 50266-1; EN 60584-1-1995; EN 60811-1-3; EN ISO 13943-2000
Adopted Standard: prEN 50399-2003, MOD
Issuing agency(ies): Ministry of Public Security
Summary: This standard specifies test apparatus and test methods for the evaluation of vertical flame propagation, heat release and smoke generation characteristics of vertically installed bundled cables, wires or cables under specified test conditions. This standard is applicable to the assessment of the fire risk of bundled cables, wires and cables.

GA/T 716-2007: Test methods for electrical or optical cables under fire conditions--Flame spread, heat release and smoke production measurement during test

---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.
Test methods for electrical or optical cables under fire conditions - Flame spread, heat release and smoke production measurement during test ICS 13.220.40 C80 People's Republic of China Public Security Industry Standards Of cables under fire by flame propagation conditions and Test methods for heat release and smoke production properties Posted 2007-10-17 2007-12-01 implementation People's Republic of China Ministry of Public Security

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 test apparatus 2 4.1 Overview 2 4.2 combustion chamber 2 Smoking cover 2 4.3 4.4 exhaust pipes 2 4.5 exhaust pipe testing equipment 3 4.6 Fan 3 4.7 Measurement of smoke density apparatus 3 4.8 flue gas analysis equipment 3 4 4.9 Air supply system 4.10 standard ladders 4 4.11 ignition source 4 4.12 4 Backplane Qualifying test apparatus 5 5 5.1 OVERVIEW 5 Flow distribution measuring 5.2 5 5.3 calibration test run 5 5.4 calibration operation 5 6 Test Procedure 6 6.1 Test sample 6 6.2 the number of samples is determined 6 6.3 Sample installation 6 6.4 pipeline volume flow 7 6.5 Time for Fire 7 6.6 Test procedure 7 6.7 cable test furnace measuring 8 Measuring test parameters 7 8 7.1 heat release rate HRR and smoke production rate calculated SPR 8 7.2 determine the height of charring 8 8 9 Test report Appendix A (informative) This standard reg number and prEN50399.2003 reg control number 15 Annex B (informative) This standard prEN50399.2003 technical differences and their causes 16 Annex C (normative) Calculation of heat release 17 C. 1 flow calculation 17 C. 2 of 17 generating thermal effects C. 3 burner gas 18 C. 4 calculate the number of water vapor in the air 18 mole Annex D (normative) flue gas product 19 D. 1 smoke density 19 D. 2 fume formation rate and the total amount of smoke 19 Annex E (informative) Figure 5 Constant additional information about Renault 20 Annex F (informative) information on the distribution of traffic within the conduit 21 F. 1 Overview 21 F. 2 velocity distribution factor k c 21 Annex G (normative) Calibration 23 G. General Procedure 1 piece of equipment 23 G. 2 gas analyzer calibration 23 G. 3 calibration optical density measuring system 23 G. 4 HRR calibration 24 Calibration Guide Appendix H (informative) special measuring equipment 28 H. General Procedure 1 separate piece of equipment 28 H. 2 Gas Analyzer Calibration 28 H. Check 3 propane mass flow meter or rotameter 28 H. 4 filters checking 29

Foreword

This revised standard adopts prEN50399.2003 "the cable Common test methods for cables under fire conditions in the flame propagation test The characteristics of heat release and smoke test "(English version) - Part 1. Test equipment; Part 2-1. EU Classification C and D levels of classification Program; Part 2-2. EU Classification Class B classification procedure. According to this standard prEN50399.2003 redrafted. The standard lists the reg number and prEN50399 in Appendix A. 2003 reg control list numbered. Taking into account China's national conditions, in the use of prEN50399.2003, the standard of this made some changes, the relevant technical differences have been incorporated into the text And identifies a single vertical line in which they are involved with the provisions margin. These technical differences are given in Appendix B and its prime Because the list for reference. For ease of use, for prEN50399.2003 This standard made the following editorial changes. Name --- standard has been modified to suit our habits; --- Use the decimal symbol instead of decimal symbol ",". ","; --- Will be the "European standards" be replaced by "this standard"; --- Delete the directory, foreword and introduction of the draft EU standards. The standard Appendix C, Appendix D and Appendix G are normative appendices, Appendix A, Appendix B, Appendix E, Appendix F and Appendix H of data Appendix. This standard was proposed by the Ministry of Public Security Fire Department. This standard by the National Standardization Technical Committee 7 Fire Technical Committee (SAC/TC113/SC7) centralized. This standard is drafted by. Ministry of Public Security of Sichuan Fire Research Institute. Participated in the drafting of this standard. Cable Fire Research Association (CFRA). The main drafters of this standard. Li Feng, Cheng Daobin, Feng, Zeng Xu Bin. Of cables under fire by flame propagation conditions and Test methods for heat release and smoke production properties

1 Scope

This standard specifies the test under certain conditions, vertical flame spread of vertically-mounted bunched cable, wire or fiber, and heat release Tobacco characteristic test apparatus and test methods were evaluated. This standard applies to fire bunched cables, wires and cables of Risk Assessment.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. ISO 3966. 1977 seal pipe flow measurement Pitot tube velocimetry ISO 9705.1993 full-size surface material fire performance test method EN50266-1 Common test methods for cables under fire conditions vertically mounted bunched wires or cables in the vertical direction by flame Propagation test - Part 1. Test apparatus The first part of 1995 thermocouple 1.. EN60584-1 Reference Table Common test methods EN60811-1-3 cable and cable insulation sheathing materials - Part 1-3 Generic density test method Water absorption tests - Shrinkage test ENISO 13943.2000 Fire safety terminology

3 Terms and Definitions

ENISO 13943 as well as established the following terms and definitions apply to this standard. 3.1 Under specified conditions, material in unit time by the release of heat of combustion. 3.2 Heat release rate within the specified time integral value. 3.3 The amount of smoke produced per unit of time. 3.4 Smoke production rate within a specified time integral value. 3.5 Flame tip flame spread to a distance. NOTE. The standard refers to the largest cable surface charring distance. ......

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