DIN EN 15004-4-2008 Fixed firefighting systems - Gas extinguishing systems - Part 4 Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant (IS.pdf
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1、September 2008DEUTSCHE NORM English price group 9No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 13.220.20!$Qg“1466804
2、www.din.deDDIN EN 15004-4Fixed firefighting systems Gas extinguishing systems Part 4: Physical properties and system design of gas extinguishingsystems for HFC 125 extinguishant (ISO 14520-8:2006, modified)English version of DIN EN 15004-4:2008-09Ortsfeste Brandbekmpfungsanlagen Lschanlagen mit gasf
3、rmigen Lschmitteln Teil 4: Physikalische Eigenschaften und Anlagenauslegung fr Feuerlschmittel HFC 125(ISO 14520-8:2006, modifiziert)Englische Fassung DIN EN 15004-4:2008-09www.beuth.deDocument comprises 14 pagesDIN EN 15004-4:2008-09 2 National foreword This standard has been prepared by Technical
4、Committee CEN/TC 191 “Fixed firefighting systems” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Feuerwehrwesen (Firefighting and Fire Protection Standards Committee), Technical Committee NA 031-03-04 AA Lsch-anlagen mit gasfrmigen
5、 Lschmitteln und deren Bauteile. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15004-4 June 2008 ICS 13.220.20 English Version Fixed firefighting systems - Gas extinguishing systems - Part 4: Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant (ISO 145
6、20-8:2006, modified) Installations fixes de lutte contre lincendie - Installations dextinction gaz - Partie 4: Proprits physiques et conception des systmes pour agent extincteur HFC 125 (ISO 14520-8:2006, modifie) Ortsfeste Brandbekmpfungsanlagen - Lschanlagen mit gasfrmigen Lschmitteln - Teil 4: Ph
7、ysikalische Eigenschaften und Anlagenauslegung fr Feuerlschmittel HFC 125 (ISO 14520-8:2006, modifiziert) This European Standard was approved by CEN on 26 April 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Sta
8、ndard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, Fren
9、ch, 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus,
10、 Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT
11、 EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15004-4:2008: EEN 15004-4:2008 (E) 2 Contents Page Foreword3 Forew
12、ord of ISO 14520-8:2006 5 1 Scope 6 2 Normative references 6 3 Terms and definitions .6 4 Characteristics and uses 6 4.1 General6 4.2 Use of HFC 125 systems .7 5 Safety of personnel9 6 System design10 6.1 Fill density 10 6.2 Superpressurization 11 6.3 Extinguishant quantity 11 DIN EN 15004-4:2008-09
13、 EN 15004-4:2008 (E) 3 Foreword This document (EN 15004-4:2008) 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 te
14、xt or by endorsement, at the latest by December 2008, and conflicting national standards shall be withdrawn at the latest by December 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 respo
15、nsible for identifying any or all such patent rights. The text of the International Standard ISO 14520-8:2006 from Technical Committee ISO/TC 21 “Equipment for fire protection and fire fighting“ of the International Organization for Standardization (ISO) has been taken over as a European Standard by
16、 Technical Committee CEN/TC 191 “Fixed firefighting systems“, the secretariat of which is held by BSI, with common modifications which are indicated by a straight line in the margin of the text. This European Standard will consist of the following parts, under the general title Fixed firefighting sy
17、stems Gas extinguishing systems: Part 1: Design, installation and maintenance (ISO 14520-1, modified) Part 2: Physical properties and system design of gas extinguishing systems for FK-5-1-12 extinguishant (ISO 14520-5, modified) Part 3: Physical properties and system design of gas extinguishing syst
18、ems for HCFC Blend A extinguishant (ISO 14520-6, modified) Part 4: Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant (ISO 14520-8, modified) Part 5: Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant (ISO 14520-9,
19、 modified) Part 6: Physical properties and system design of gas extinguishing systems for HFC 23 extinguishant (ISO 14520-10, modified) Part 7: Physical properties and system design of gas extinguishing systems for IG-01 extinguishant (ISO 14520-12, modified) Part 8: Physical properties and system d
20、esign of gas extinguishing systems for IG-100 extinguishant (ISO 14520-13, modified) Part 9: Physical properties and system design of gas extinguishing systems for IG-55 extinguishant (ISO 14520-14, modified) Part 10: Physical properties and system design of gas extinguishing systems for IG-541 exti
21、nguishant (ISO 14520-15, modified) The International Standards ISO 14520-2 and ISO 14520-11, which dealt with CF3I and HFC 236fa extinguishants, respectively, have not been implemented by CEN, as CF3I extinguishant is only valid for local DIN EN 15004-4:2008-09 EN 15004-4:2008 (E) 4 application and
22、HFC 236fa extinguishant is only applicable for portable fire extinguishers and local application, respectively, which is not covered by the scope. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European S
23、tandard: 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, Spain, Sweden, Switzerland and the United Kingd
24、om. DIN EN 15004-4:2008-09 EN 15004-4:2008 (E) 5 Foreword of ISO 14520-8:2006 ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technic
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