BS EN 1568-2-2008 Fire extinguishing media Foam concentrates Part 2 Specification for high expansion foam concentrates for surface application to water-immiscible liquids.pdf
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1、BRITISH STANDARD BS EN 1568-2:2008 Fire extinguishing media Foam concentrates Part 2: Specification for high expansion foam concentrates for surface application to water-immiscible liquids ICS 13.220.10 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled C
2、opy Not for ResaleNo reproduction or networking permitted without license from IHS -,-,- BS EN 1568-2:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2008 BSI 2008 ISBN 978 0 580 54846 8 National foreword This British Standard i
3、s the UK implementation of EN 1568-2:2008. It supersedes BS EN 1568-2:2000 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee FSH/18, Fixed fire fighting systems, to Subcommittee FSH/18/3, Foam concentrates. A list of organizations represented on this co
4、mmittee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda iss
5、ued since publication DateComments Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1568-2 March 2008 ICS 13.220
6、.10Supersedes EN 1568-2:2000 English Version Fire extinguishing media - Foam concentrates - Part 2: Specification for high expansion foam concentrates for surface application to water-immiscible liquids Agents extincteurs - Emulseurs - Partie 2: Spcifications pour les mulseurs haut foisonnement dest
7、ins une application la surface de liquides nayant pas daffinit pour leau Feuerlschmittel - Schaummittel - Teil 2: Anforderungen an Schaummittel zur Erzeugung von Leichtschaum zum Aufgeben auf nicht-polare (mit Wasser nicht mischbare) Flssigkeiten This European Standard was approved by CEN on 5 Janua
8、ry 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obta
9、ined on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Manage
10、ment Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norw
11、ay, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form
12、 and by any means reserved worldwide for CEN national Members. Ref. No. EN 1568-2:2008: E Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS -,-,- EN 1568-2:2008 (E) 2 Conte
13、nts Page Foreword. 3 Introduction 4 1Scope 5 2Normative references . 5 3Terms and definitions. 5 4Sediment in the foam concentrate 6 5Viscosity of the foam concentrate 7 6pH of the foam concentrate . 7 7Surface tension of the foam solution 7 8Spreading coefficient of the foam solutions 7 9Expansion
14、and drainage of foam 7 10Test fire performance . 8 11Container marking 8 Annex A (informative) Grades of foam concentrates . 10 Annex B (normative) Preliminary sampling of foam concentrates. 11 Annex C (normative) Determination of percentage sediment . 12 Annex D (normative) Determination of viscosi
15、ty for pseudo-plastic foam concentrates 13 Annex E (normative) Temperature conditioning of foam concentrates . 15 Annex F (normative) Determination of surface tension and spreading coefficient 18 Annex G (normative) Determination of expansion and drainage time . 19 Annex H (normative) Determination
16、of test fire performance 25 Annex I (informative) A-Deviations. 29 Bibliography . 31 BS EN 1568-2:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS -,-,- ? EN 1568-2:2
17、008 (E) 3 Foreword This document (EN 1568-2:2008) has been prepared by Technical Committee CEN/TC 191 “ Fixed firefighting systems” , the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by end
18、orsement, at the latest by September 2008, and conflicting national standards shall be withdrawn at the latest by September 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for
19、 identifying any or all such patent rights. This document supersedes EN 1568-2:2000. This European Standard is one of a series specifying requirements for fire extinguishing media in common use. This series includes the following: EN 25923, Fire protection Fire extinguishing media Carbon dioxide (IS
20、O 5923:1989) EN 27201-1, Fire protection Fire extinguishing media Halogenated hydrocarbons Part 1: Specifications for halon 1211 and halon 1301 (ISO 7201-1:1989) EN 27201-2, Fire protection Fire extinguishing media Halogenated hydrocarbons Part 2: Code of practice for safe handling and transfer proc
21、edures (ISO 7201-2:1991) EN 615, Fire protection Fire extinguishing media Specification for powders (other than Class D powders) This standard is Part 2 of EN 1568 which has the general title “Fire extinguishing media Foam concentrates“. The other parts are: Part 1: Specification for medium expansio
22、n foam concentrates for surface application to water- immiscible liquids. Part 3: Specification for low expansion foam concentrates for surface application to water- immiscible liquids. Part 4: Specification for low expansion foam concentrates for surface application to water- miscible liquids. As f
23、ire fighting foams are chemical agents or chemical preparations EC Directives 1967/548/EEC, 1999/45/EEC, Regulation (EC) 1907/2006 (REACH) and 2006/60/EEC apply and should be taken into account. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
24、countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
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