Portable fire extinguishers - Part 9: Additional requirements to EN 3-7 for pressure resistance of CO2 extinguishers

This European Standard specifies the rules of design, assembling, inspection and testing of CO2 portable fire extinguishers as far as the pressure risk is concerned.
NOTE   Annex A gives the classification of the different parts forming the assembly of the portable extinguisher.

Tragbare Feuerlöscher - Teil 9: Zusätzliche Anforderungen zu EN 3-7 an die Druckfestigkeit von Kohlendioxid-Feuerlöscher

Diese Europäische Norm legt die Regeln zur Bemessung, zum Zusammenbau, zur Inspektionskontrolle und
Prüfung tragbarer Kohlendioxid-Feuerlöscher fest, soweit die Gefährdung durch Druck betrachtet wird.
ANMERKUNG Anhang A enthält die Klassifizierung der unterschiedlichen Teile, die den tragbaren Feuerlöscher bilden.

Extincteurs d'incendie portatifs - Partie 9 : Exigences additionnelles à l'EN 3-7 relatives à la résistance à la pression des extincteurs au dioxyde de carbone

La présente Norme européenne spécifie les règles de conception, de fabrication, d’inspection et d’essai des
extincteurs d’incendie portatifs au CO 2 en ce qui concerne les risques liés à la pression.
NOTE L'Annexe A donne la classification des différentes parties constitutives d'un extincteur d’incendie portatif.

Prenosni gasilniki - 9. del: Dodatne zahteve k EN 3-7 za odpornost proti tlaku za gasilnike s CO2

General Information

Status
Published
Publication Date
05-Dec-2006
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
06-Dec-2006
Completion Date
06-Dec-2006

RELATIONS

Buy Standard

Standard
EN 3-9:2007
English language
13 pages
sale 10% off
Preview
sale 10% off
Preview
e-Library read for
1 day

Standards Content (sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Portable fire extinguishers - Part 9: Additional requirements to EN 3-7 for pressure resistance of CO2 extinguishersPrenosni gasilniki - 9. del: Dodatne zahteve k EN 3-7 za odpornost proti tlaku za gasilnike s CO2Extincteurs d'incendie portatifs - Partie 9 : Exigences additionnelles a l'EN 3-7 relatives a la résistance a la pression des extincteurs au dioxyde de carboneTragbare Feuerlöscher - Teil 9: Zusätzliche Anforderungen zu EN 3-7 an die Druckfestigkeit von Kohlendioxid-FeuerlöscherTa slovenski standard je istoveten z:EN 3-9:2006SIST EN 3-9:2007en13.220.10Gašenje požaraFire-fightingICS:SLOVENSKI

STANDARDSIST EN 3-9:200701-marec-2007

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3-9December 2006ICS 13.220.10 English VersionPortable fire extinguishers - Part 9: Additional requirements toEN 3-7 for pressure resistance of CO2 extinguishersExtincteurs d'incendie portatifs - Partie 9 : Exigencesadditionnelles à l'EN 3-7 relatives à la résistance à lapression des extincteurs au dioxyde de carboneTragbare Feuerlöscher - Teil 9: Zusätzliche Anforderungenzu EN 3-7 an die Druckfestigkeit von Kohlendioxid-FeuerlöscherThis European Standard was approved by CEN on 25 October 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, 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 United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36

B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3-9:2006: E

EN 3-9:2006 (E) 2 Contents Page Foreword......................................................................................................................................................................3 1 Scope..............................................................................................................................................................4 2 Normative references....................................................................................................................................4 3 Terms and definitions...................................................................................................................................4 4 Materials.........................................................................................................................................................4 4.1 General............................................................................................................................................................4 4.2 Material compatibility....................................................................................................................................4 5 Design.............................................................................................................................................................5 5.1 Cylinder and operating devices...................................................................................................................5 5.2 Filling ratio......................................................................................................................................................5 5.3 Operating device............................................................................................................................................5 5.4 Bursting disc..................................................................................................................................................5 5.5 Hose and nozzle couplings – Prototype testing.........................................................................................5 5.6 Resistance to impact.....................................................................................................................................6 6 Manufacturing of the assembled extinguisher...........................................................................................6 7 Final assessment of the assembled extinguisher......................................................................................6 7.1 General............................................................................................................................................................6 7.2 Validation of accessories..............................................................................................................................6 7.3 Validation of the design maximum filling mass.........................................................................................7 8 Marking...........................................................................................................................................................7 8.1 Operating device............................................................................................................................................7 8.2 Cylinder...........................................................................................................................................................7 8.3 Extinguisher assembly..................................................................................................................................7 Annex A (informative)

Classification of the different parts of an extinguisher....................................................8 Annex B (informative)

Filling ratio for CO2...............................................................................................................9 Annex C (normative)

Portable CO2 fire extinguisher thread sizes......................................................................10 Annex D (normative)

Impact tests...........................................................................................................................11 D.1 General..........................................................................................................................................................11 D.2 Test at TSmin...............................................................................................................................................11 D.3 Test at TSmax...............................................................................................................................................11 D.4 Apparatus.....................................................................................................................................................12 D.5 Procedure.....................................................................................................................................................12 Annex ZA (informative)

Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC.............................................................................................................................13

Table A.1 — Classification of the different parts of portable fire extinguisher....................................................8 Table B.1 — Filling ratio for CO2...............................................................................................................................9 Table C.1 — Cylinder neck thread dimensions.....................................................................................................10 Table ZA.1 — Correspondence between this European Standard and Directive 97/23/EC..............................13

EN 3-9:2006 (E) 3 Foreword This document (EN 3-9:2006) has been prepared by Technical Committee CEN/TC 70 “Manual means of fire fighting equipment”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2007, and conflicting national standards shall be withdrawn at the latest by June 2007. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive 97/23/CE. For relationship with EU Directive 97/23/CE, see informative Annex ZA, which is an integral part of this document. This document is included in a series of European Standards planned to cover: a) classification of fires (EN 2) b) mobile fire extinguishers (EN 1866) EN 3 consists of the following parts, under the general title "Portable fire extinguishers"  Part 11): Description, duration of operation, class A and B fire test  Part 21): Tightness, dielectric test, tamping test, special provisions  Part 3: Construction, resistance to pressure, mechanical tests  Part 41): Charges, minimum required fire  Part 51): Specification and supplementary tests  Part 6: Provisions for the attestation of conformity of portable fire extinguishers in accordance with EN 3 part 1 to part 5  Part 7: Characteristics, performance requirements and test methods  Part 82): Additional requirements to EN 3-7 for the construction, resistance to pressure and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar  Part 92): Additional requirements to EN 3-7 for pressure resistance of CO2 extinguishers  Part 10 3): Provisions for evaluating of conformity of a portable fire extinguisher to EN 3 part 7 According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, 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 United Kingdom.

1) Withdrawn and replaced by EN 3-7. 2) EN 3-8 and 3-9 update and amend EN 3-3. On publication of these EN 3-3 will be withdrawn. 3) In preparation. EN 3-10 updates and amends EN 3-6. On publication of EN 3-10 EN 3-6 will be withdrawn.

EN 3-9:2006 (E) 4 1 Scope This European Standard specifies the rules of design, assembling, inspection and testing of CO2 portable fire extinguishers as far as the pressure risk is concerned. NOTE Annex A gives the classification of the different parts forming the assembly of the portable extinguisher. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3-7:2004, Portable fire extinguishers — Part 7: Characteristics, performance requirements and test methods EN 3-8:2006, Portable fire extinguishers — Part 8: Additional requirements to EN 3-7 for the construction, resistance to pressure and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30

...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.