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1、BRITISH STANDARD BS EN 12094-13:2001 Incorporating Corrigendum No. 1 Fixed firefighting systems Components for gas extinguishing systems Part 13: Requirements and test methods for check valves and non-return valves The European Standard EN 12094-13:2001 has the status of a British Standard ICS 13.22
2、0.10 ? Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:58:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 12094-13:2001 This British Standard, having been prepared under the direction of the Health and Environment Sector Committee, was published under the authority of the Standards Com
3、mittee and comes into effect on 15 May 2001 BSI 19 September 2002 ISBN 0 580 36774 6 National foreword This British Standard is the official English language version of EN 12094-13:2001, including Corrigendum February 2002. This European Standard is the subject of transitional arrangements agreed un
4、der a Commission 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 a transition period of 21 months before CE marking becomes effective. The UK participation in i
5、ts preparation was entrusted by Technical Committee FSH/18, Fixed firefighting systems, to Subcommittee FSH/18/6, Gas 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
6、 which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This pub
7、lication does not purport to include all the necessary provisions of a contract. Users 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 Europea
8、n committee any enquiries 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
9、 2 to 17 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 13873 Corrigendum No. 1 19 September 2002 Revisions to 3.8 and the first paragraph of 4.1. Licensed Copy: sheffieldun sh
10、effieldun, na, Sat Oct 28 14:58:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12094-13 March 2001 ICS 93.080.20Incorporating corrigendum February 2002 English version Fixed firefighting systems Components for gas extinguishing systems Part 13: Req
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12、eil 13: Anforderungen und Prfverfahren fr Rckflussverhinderer und Rckschlagventile This European Standard was approved by CEN on 4 February 2001. 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
13、 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 European Standard exists in three official versions (English, French, German). A version in
14、 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 national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germ
15、any, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, 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 2001 CENAll righ
16、ts of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12094-13:2001 E Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:58:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 2 EN 12094-13:2001 Contents Page Foreword3 Introduction3 1 Scope.4
17、2 Normative references4 3 Terms and definitions4 4 Requirements 5 4.1 General design .5 4.2 Connection threads 6 4.3 Internal pressure.6 4.4 Strength 6 4.5 Flow way.6 4.6 Leakage6 4.7 Impact.6 4.8 Function and ambient temperatures 6 4.9 Corrosion 6 4.10 Stress corrosion6 4.11 Vibration resistance7 4
18、.12 Documentation7 5 Test methods.7 5.1 Test conditions7 5.2 Test samples and order of tests.7 5.3 Compliance.8 5.4 Internal pressure.8 5.5 Strength test8 5.6 Leakage test.8 5.7 Impact test 9 5.8 Function9 5.9 Function at high and low temperature9 5.10 Corrosion 10 5.11 Stress corrosion10 5.12 Vibra
19、tion10 6 Marking10 7 Evaluation of conformity11 7.1 General.11 7.2 Initial type testing11 7.3 Factory production control (FPC).11 Annex A (normative) Flow characteristics.12 Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive14
20、 Bibliography.17 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:58:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 3 EN 12094-13:2001 Foreword This European Standard has been prepared by Technical Committee CEN/TC 191 “Fixed firefighting systems“, the secretariat of which is held by BS
21、I. 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 September 2001, and conflicting national standards shall be withdrawn at the latest by December 2002. This European Standard has been prepared un
22、der a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this standard. This part of EN 12094 is one of a number
23、 of European Standards prepared by CEN/TC 191 covering components for gas extinguishing systems. They are included in a series of European Standards planned to cover: - gas extinguishing systems (EN 12094) - sprinkler systems (EN 12259 and EN 12845) - powder systems (EN 12416) - explosion protection
24、 systems (EN 26184) - foam systems (EN 13565) - hose systems (EN 671) - smoke and heat control systems (EN 12101) - water spray systems The following parts of this European Standard are planned: - Part 1: Requirements and test methods for electrical automatic control and delay devices - Part 2: Requ
25、irements and test methods for non-electrical automatic control and delay devices - Part 3: Requirements and test methods for manual triggering and stop devices - Part 4: Requirements and test methods for high- pressure container valve assemblies and actuators - Part 5: Requirements and test methods
26、for selector valves and actuators for CO2 systems - Part 6: Requirements and test methods for non-electrical disable devices for CO2 systems - Part 7: Requirements and test methods for nozzles for CO2 systems - Part 8: Requirements and test methods for flexible connectors for CO2 systems - Part 9: R
27、equirements and test methods for special fire detectors - Part 10: Requirements and test methods for pressure gauges and pressure switches - Part 11: Requirements and test methods for weighing devices - Part 12: Requirements and test methods for alarm devices - Part 13: Requirements and test methods
28、 for check valves and non-return valves - Part 16: Requirements and test methods for odorizing devices for low pressure CO2 systems - Part 17: Requirements and test methods for pipe hangers - Part 20: Requirements and test methods for compatibility of components According to the CEN/CENELEC Internal
29、 Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and
30、 the United Kingdom. Introduction It has been assumed in the preparation of this European Standard that the execution of its provisions is entrusted to appropriately qualified and experienced people. All pressure data in this European Standard are given as gauge pressures in bar, unless otherwise st
31、ated. NOTE 1 bar = 105 N m-2 = 100 kPa. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:58:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 4 EN 12094-13:2001 1 Scope This European Standard specifies the requirements and describes test methods for check and non-return valves for CO2, ine
32、rt gas or halocarbon gas fire extinguishing systems. Non-return and check valves allow the passage in the direction of flow and they prevent flow in the reverse direction. This European Standard is applicable to check valves installed between container valve and manifold and non-return valves instal
33、led in pilot lines, except those valves which are tested in combination with non-electrical control devices. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in
34、 the text and the publications are listed hereafter. For dated references subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to
35、 applies (including amendments). EN 12094-8, Fixed firefighting systems - Components for gas extinguishing systems - Requirements and test methods for flexible connectors for CO2 systems ISO 7-1, Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and de
36、signation ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation 3 Terms and definitions For the purposes of this European Standard the terms and definitions of EN 12094-8 and the following terms and definitions apply: 3.1 che
37、ck valve component intended for installation between container valve and manifold, which permits flow only in one direction 3.2 CO2-high-pressure installation fire extinguishing installation in which the CO2 is stored at ambient temperature, e.g. the pressure of the CO2 in storage is pabs = 58,6 bar
38、 at 21oC 3.3 CO2-low-pressure installation fire extinguishing installation in which the CO2 is stored at low temperature, normally at a temperature of - 19oC to - 21oC 3.4 fill ratio mass of extinguishing medium related to the net capacity of a container expressed as kilograms per litre (kg/l) 3.5 g
39、as extinguishing installation system installed to provide fire protection 3.6 halocarbon gas extinguishing agent that contains as primary components one or more organic compounds containing one or more of the elements fluorine, chlorine, bromine or iodine 3.7 halocarbon gas installation fire extingu
40、ishing installation in which the halocarbon gas is stored at ambient temperature Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:58:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 5 EN 12094-13:2001 3.8 inert gas non-liquefied gas or mixture of gases which extinguish the fire mainly by
41、reducing the oxygen concentration in the protected zone, e.g. argon, nitrogen or CO2 or mixtures of these gases 3.9 inert gas installation fire extinguishing installation in which the inert gas is stored at ambient temperature 3.10 manifold special pipe to collect the medium flow of two or more cont
42、ainers 3.11 non-return valve component intended for installation in pilot lines, which permits flow only in one direction 3.12 resistance coefficient value for the calculation of the pressure drop in a component under two-phase flow condition 3.13 two-phase flow partitial change of phase of a fluid
43、from liquid to vapour under flowing conditions 3.14 working pressure pressure at which the component is used in the system 4 Requirements 4.1 General design The metal parts of check valves and non-return valves shall be made of corrosion resistant materials, e.g. stainless steel, copper, copper allo
44、y or corrosion-protected steel (e.g. galvanized steel, cadmium-plated steel, etc.). All materials shall be resistant to media with which they come into contact. Non-return and check valves shall be designed so that the function cannot be adversely affected by ageing or environmental influences. Non-
45、metallic materials and elastomers shall be stable and shall not alter their performance over the working life time recommended by the manufacturer. Non-return and check valves shall be specified by the manufacturer for working pressure according to Table 1. Licensed Copy: sheffieldun sheffieldun, na
46、, Sat Oct 28 14:58:57 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 6 EN 12094-13:2001 Table 1 - Working pressure TypeWorking pressure in bar for CO2-high-pressure component CO2-low-pressure component Inert gas componentHalocarbon gas component Check valve140not applicablesee asee a Non-return val
47、veAs specified by the manufacturer a This value is given as the developed pressure in the container at 50C with the highest fill ratio/superpressurization, where applicable The manufacturer shall specify the free cross-sectional area of the minimum flow way of check valves and non- return valves. 4.
48、2 Connection threads Connection threads shall conform to ISO 7-1 or ISO 228-1 relating to threads. 4.3 Internal pressure Non-return and check valves shall not show any sign of deterioration which could impair proper function, when pressurized up to 1,5 times the working pressure listed in Table 1 an
49、d tested in accordance with 5.4. 4.4 Strength Non-return and check valves shall not show any sign of deterioration which could impair proper function, when pressurized up to three times the working pressure listed in Table 1 and tested in accordance with 5.5. 4.5 Flow way The free cross-sectional area of the minimum flow way of check valves and non-return valves shall be within 10% of the value specified by the manufacturer, when verified by the measurement check describ