UL 711-2004 UL Standard for Safety Rating and Fire Testing of Fire Extinguishers (Seventh Edition Reprint with Revisions through and Including December 18 2013)《灭火器的等级和灭火试验》.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 711 Rating and Fire Testing of Fire ExtinguishersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORI

2、ZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Rating and Fire Testing of Fire Extinguishers, UL 711 Seventh Edition, Dated December 17, 2004 Summary of Topics This revision of ANSI/ UL 711 includes an updated title page to reect reaffirmation of A

3、NSI approval. Several editorial, non-substantive revisions are also included. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with a vertical line in the margin. The new/revised requirements are substantially in accordance with Proposal(s) on this s

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10、OUT PERMISSION FROM UL DECEMBER 18, 2013 UL 711 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL ULC Standards CAN/ULC-S508 Fourth Edition Underwriters Laboratories Inc. ANSI/UL 711 Seventh Edition Rating and Fire Test

11、ing of Fire Extinguishers December 17, 2004 (Title Page Reprinted: December 18, 2013) This common standard has been jointly revised on December 18, 2013 to reaffirm ANSI and SCC approval and to include editorial type updates. For this purpose, ULC Standards and UL are issuing reaffirmed pages dated

12、December 18, 2013. ANSI/UL 711- 2009 (R2013) Approved byUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This Standard is issued jointly by Underwriters Laboratories Inc. (UL) and ULC Standards. Amendments to this St

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17、 This ANSI/UL Standard for Safety consists of the Seventh Edition including revisions through December 18, 2013. The most recent designation of ANSI/UL 711 as an American National Standard (ANSI) occurred on December 18, 2013. ANSI approval for a standard does not include the Cover Page, Transmittal

18、 Pages, Title Page (front and back), or the Preface. The Department of Defense (DoD) has adopted UL 711 on July 2, 1990. The publication of revised pages or a new edition of this Standard will not invalidate the DoD adoption. Comments or proposals for revisions on any part of the Standard may be sub

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20、CTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS Preface .4 INTRODUCTION 1 Scope 4A 2 Units of measurement 4A 3 Reference publications .4A 4 Glossary 4A 5 Ratings 6 PERFORMANCE 6 General 7 7 Class A extinguishers .7 7.1 General .7 7.2 Wood crib re test 8 7.3 Wood panel re test 9 8 Class B e

21、xtinguishers 11 8.1 General 11 8.2 Flammable liquid re test .12 9 Class C extinguishers 13 9.1 General 13 9.2 Electrical conductivity test 14 10 Class D extinguishers and agents 15 10.1 General .15 10.2 Magnesium re tests 16 10.3 Sodium, potassium, and sodium-potassium alloy re tests .19 11 Class K

22、extinguishers .20 11.1 General .20 11.2 Fryer re test method .21 TABLES FIGURES ANNEX A DECEMBER 17, 2004 CAN/ULC-S508 ANSI/UL 711 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the common UL and ULC Standard for Rating and

23、 Fire Testing of Fire Extinguishers. It is the fourth edition of CAN/ULC-S508, including Amendment 3, and the seventh edition of ANSI/UL 711. This Joint Standard was prepared by Underwriters Laboratories Inc., ULC Standards, and the UL/ULC Extinguisher Technical Harmonization Committee. The efforts

24、and support of the Harmonization Technical Committee are gratefully acknowledged. Only metric SI units of measurement are used in this Standard. If a value for measurement is followed by a value in other units in parentheses, the second value may be approximate. The rst stated value is the requireme

25、nt. In Canada, there are two official languages, English and French. All safety warnings must be in French and English. Attention is drawn to the possibility that some Canadian authorities may require additional markings and/or installation instructions to be in both official languages. Note: Althou

26、gh the intended primary application of this Standard is stated in its scope, it is important to note that it remains the responsibility of the users of the standard to judge its suitability for their particular purpose. Level of Harmonization This Standard is published as an identical standard betwe

27、en UL and ULC Standards. An identical standard is a standard that is the same in technical content except for conicts in Codes and Governmental Regulations. Presentation shall be word for word except for editorial changes. Interpretations The interpretation by the SDO of an identical or equivalent s

28、tandard shall be based on the literal text to determine compliance with the standard in accordance with the procedural rules of the SDO. If more than one interpretation of the literal text has been identied, a revision shall be proposed as soon as possible to each of the SDOs to more accurately reec

29、t the intent. UL Effective Date A UL effective date is established by Underwriters Laboratories Inc. and is not part of the ANSI approved standard. DECEMBER 18, 2013 CAN/ULC-S508 ANSI/UL 711 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL I

30、NTRODUCTION 1 Scope 1.1 These requirements cover rating, and performance during re tests, of re extinguishers intended for use in attacking Class A, B, C, D, and K res as dened herein. These requirements also cover performance during re tests of re extinguishing agents for application on Class D res

31、. The ultimate rating of an extinguisher or the prescribed use of an extinguisher or re extinguishing agent is based on its re-extinguishing potential as determined by re tests and presupposes installation and use in accordance in the United States with the Standard for Portable Fire Extinguishers,

32、NFPA 10, and with the National Fire Code of Canada. 1.2 Fire extinguishers, re extinguishing agents, or both shall also comply with the requirements for construction and performance as applicable to specic types, designs, sizes, and arrangements. Such additional requirements include ANSI/UL 8 CAN/UL

33、C S554, ANSI/UL154 CAN/ULC S503, ANSI/UL299 CAN/ULC S504, ANSI/UL 626 CAN/ULC S507, and ANSI/ UL2129 CAN/ULC S566 and are not within the scope of these requirements. 2 Units of measurement 2.1 The metric unit shall be designated as the official unit for purposes of this standard. Where values of mea

34、surement are specied in both SI and English units, either unit is used. In cases of dispute, the metric unit shall be used. 3 Reference publications 3.1 See Annex A for a list of publications referenced in this standard. Any undated reference to a code or standard appearing in the requirements of th

35、is standard shall be interpreted as referring to the latest edition of that code or standard. When the latest edition of a standard is not applicable, the appropriate edition is indicated accordingly in Annex A. 4 Glossary 4.1 For the purpose of this standard the following denitions apply. 4.2 AFFF

36、Aqueous lm-forming foam. 4.3 AUTOIGNITION TEMPERATURE The temperature at which the test fuel ignites automatically. 4.4 CONTROL A reduction in re intensity of approximately 90 percent. 4.5 EFFECTIVE DISCHARGE The time of discharge of extinguishing agent from the extinguisher until gas point. 4.6 FFF

37、P Film-forming uoroprotein. 4.7 GAS POINT The point in time when the discharge changes from the extinguishing agent alone to a gas and extinguishing agent combination. 4.8 LETTER DESIGNATIONS The letter designates the general class of re for which the extinguisher or agent is acceptable: DECEMBER 18

38、, 2013 CAN/ULC-S508 ANSI/UL 711 4AUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Class A Fires Fires that involve ordinary combustible materials such as wood, cloth, paper, rubber, and many plastics. DECEMBER 18, 2013 CAN/ULC-S508 ANSI/UL 7

39、11 4BUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 18, 2013 CAN/ULC-S508 ANSI/UL 711 5 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Class B Fires Fi

40、res that involve ammable liquids, oils, petroleum greases, tars, oil-base paints, solvents, lacquers, alcohols, and ammable gases. Class C Fires Fires that involve energized electrical equipment where the electrical nonconductivity of the re extinguishing agent as discharged is of importance. (When

41、electrical equipment is de-energized, extinguishers rated for Class A or B res are used.) Class D Fires Fires that involve combustible metals, such as magnesium, titanium, zirconium, sodium, lithium, and potassium. Class K Fires Fires that involve cooking appliances with ammable cooking oils and fat

42、s, vegetable or animal. 4.9 NUMERAL DESIGNATIONS The numeral that indicates the extinguishing potential of a re extinguisher. 4.10 UNBURNED WOOD The minimum clear, uncharred area where the thickness is measured across the smallest dimension of the test member following a re test. 5 Ratings 5.1 Extin

43、guishers are classed and rated according to their re extinguishing potential which is indicated by numeral and letter designations. 5.2 The numerical portion of Class A ratings of extinguishers is developed on the basis of comparative re tests using various sizes of wood-crib and wood-panel. 5.3 The

44、 numerical portion of Class A ratings of large sizes of extinguishers (usually wheeled) is developed on the basis of wood-crib res only. 5.4 The numerical portion of Class B ratings of extinguishers is developed on the basis of re tests using square steel pans in specic size increments and a ammable

45、 liquid test fuel similar to commercial grade heptane. The re extinguishing classication is equivalent to 40 percent of the area of re consistently extinguished by an expert operator. The numeral thus derived is an approximate indication of the relative re extinguishing potential of the extinguisher

46、. 5.5 There are no numerical components for Class C ratings of extinguishers, as only the electrical nonconducting characteristics of the agent when being discharged are signicant, and no effort is made to indicate the extinguishing potential for res that involve electrical equipment. 5.6 There are

47、no numerical components for Class D ratings of extinguishers. Extinguishers and agents for use on Class D (combustible metals) res are rated for the amount of agent and the method of application needed to control re involving a particular quantity and type of metal. 5.7 There are no numerical compon

48、ents for Class K ratings of extinguishers, as the re extinguishing characteristics of the extinguisher have only been determined for a single size re source. DECEMBER 18, 2013 CAN/ULC-S508 ANSI/UL 711 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION

49、 FROM UL 5.8 Extinguishing agents are classed according to the general class of re for which the agent is acceptable, expressed by letter designation, where applicable. They are also rated for relative extinguishing effectiveness according to the amount of re, of a given class, repeatedly extinguished. PERFORMANCE 6 General 6.1 Wood crib re tests for Rating-Class up to and including 10-A, wood pane