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1、BRITISH STANDARD BS EN 12094-7:2001 Incorporating Amendment No. 1 Fixed firefighting systems Components for gas extinguishing systems Part 7: Requirements and test methods for nozzles for CO2 systems This European Standard EN 12094-7:2000, with the incorporation of Amendment A1:2005, has the status
2、of a British Standard ICS 13.220.10;13.220.20 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:59:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 12094-7:2001 This British Standard, having been prepared under the direction of the Health and Environment Sector Committee, was published un
3、der the authority of the Standards Committee and comes into effect on 15 February 2001 National foreword This British Standard is the official English language version of EN 12094-7:2000, including amendment A1:2005. This European Standard is the subject to transitional arrangements agreed under a C
4、ommission mandate which is intended to lead to CE marking in support of the Construction Products Directive. In order to allow for any changes in national regulations, the Member States have agreed atransition period of 21 months before CE marking becomes effective. The start and finish of text intr
5、oduced or altered by amendment is indicated in the text by tags !“. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment1:2005 is indicated by !“. The UK participation in its preparation was entrusted by Technical Committee FSH/18, Fix
6、ed firefighting systems, to Subcommittee FSH/18/6, Gaseous extinguishing media and systems, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or E
7、uropean publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the n
8、ecessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries
9、 on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 17, and a back cove
10、r. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 16385 August 2006 See National foreword ISBN 0 580 36567 0 BSI August 2006 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:59:34 GMT
11、+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12094-7 December 2000 +A1 January 2005 ICS 13.220.10; 13.220.20 English version Fixed firefighting systems Components for gas extinguishing systems Part 7: Requirements and test methods for nozzles for CO2 s
12、ystems (includes amendment A1:2005) Installations fixes de lutte contre lincendie Elments constitutifs des installations dextinction gaz Partie 7: Exigences et mthodes dessai pour les diffuseurs de systmes CO2 (inclut lamendement A1:2005) Ortsfeste Brandbekmpfungsanlagen Bauteile fr Lschanlagen mit
13、gasfrmigen Lschmitteln Teil 7: Anforderungen und Prfverfahren fr Dsen fr CO2- Anlagen (enthlt Anderung A1:2005) This European Standard was approved by CEN on 18 November 2000; amendment A1:2005 was approved by CEN on 9 December 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regu
14、lations 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 obtained on application to the Management Centre or to any CEN member. This Eur
15、opean 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 Management Centre has the same status as the official versions. CEN members are the natio
16、nal standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Management Centre: rue de stassart, 36 B-1050 Brussels 2000 CEN All rights of exploi
17、tation in any form and by any means reserved worldwide for CEN national Members. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Ref. No. EN 12094-7:2000 + A1:2005: E Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:59:34 GMT+00:00 2006,
18、Uncontrolled Copy, (c) BSI Page 2 EN 12094-7:2000 BSI 02-2001 ContentsPage Foreword. 3 Introduction 5 1 Scope. 5 2 Normative references. 5 3 Terms and definitions 5 4 Requirements 6 4.1 General design 6 4.2 Connection threads. 6 4.3 Nozzle opening cross section 7 4.4 Nozzle protection covers. 7 4.5
19、Flow rate 7 4.6 Distribution characteristics 7 4.7 Resistance to pressure and heat. 7 4.8 Resistance to heat and cold shock 7 4.9 Resistance to corrosion. 8 4.10 Resistance to stress corrosion 8 4.11 Resistance to vibration 8 4.12 Documentation 8 5 Type test methods 8 5.1 Conditions . 8 5.2 Samples
20、and order of tests . 8 5.3 Compliance . 9 5.4 Determination of distribution characteristics 9 5.5 Determination of flow rate . 11 5.6 Test for resistance to pressure and heat . 11 5.7 Test for resistance to heat and cold shock . 11 5.8 Nozzle cover . 12 5.9 Test for resistance to corrosion . 12 5.10
21、 Test for resistance to stress corrosion12 5.11 Test for resistance to vibration. 12 6 Marking 13 7 Evaluation of conformity . 13 7.1 General 13 7.2 Initial type testing. 13 7.3 Factory production control (FPC) .13 Annex ZA (informative) Clauses of this European Standard addressing the provisions of
22、 the EU Construction Products Directive 14 Bibliography . 17 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:59:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
23、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
24、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
25、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:59:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword to amendment A1 This document (EN 12094-7:2000/A1:2005) has been prepared by Technical Committee CEN/TC 191 “Fixed firefighting systems”, the
26、secretariat of which is held by BSI. This Amendment to the European Standard EN 12094-7:2000 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2005, and conflicting national standards shall be withdrawn at the latest
27、 by July 2005. 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 89/106/EEC. For relationship with EU Directive, see informative Annex ZA, which is an integral part of t
28、his document. This Amendment A1 to EN 12094-7 changes the scope, 4.6, 5.4, 5.5 and Annex ZA. 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, Den
29、mark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BSI 02-2001 Page 4 EN 12094-7:2000 Licensed Copy: sheffieldun sheffieldun
30、, na, Sat Oct 28 14:59:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
31、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
32、 ? !This standard is not applicable to local application nozzles.“ !This document specifies requirements and test methods for room protection nozzles which introduce the extinguishing agent into a CO2 protected zone.“ Page 5 EN 12094-7:2000 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:5
33、9:34 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Page 6 EN 12094-7:2000 Licensed Co
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