BS EN 12094-13-2001 Fixed firefighting systems - Components for gas extinguishing systems - Requirements and test methods for check valves and non-return valves《固定消防系统 气体灭火系统元件 止回阀.pdf

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 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 Committee and comes into effect on 15 May 2001 BSI 19 September 2002 ISBN 0 580 36774 6 National foreword This B

3、ritish 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 under a Commission mandate which is intended to lead to CE marking in support of the Construction Products Dire

4、ctive. 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 its preparation was entrusted by Technical Committee FSH/18, Fixed firefighting systems, to Subcommittee FSH/1

5、8/6, 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 which implement international or European publications referred to in this document may be found in the BSI

6、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 publication does not purport to include all the necessary provisions of a contract. Users are responsible for th

7、eir 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 on the interpretation, or proposals for change, and keep the UK interests informed;

8、 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 cover. The BSI copyright date displayed in this document indicates when the document was

9、last issued. Amendments issued since publication Amd. No. Date Comments 13873 Corrigendum No. 1 19 September 2002 Revisions to 3.8 and the first paragraph of 4.1.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12094-13 March 2001 ICS 93.080.20 Incorporating corrigendum February 2002 English ver

10、sion Fixed firefighting systems Components for gas extinguishing systems Part 13: Requirements and test methods for check valves and non-return valves Installations fixes de lutte contre liincendie Elments dinstallation dextinction gaz Partie 13: Exigences et mthodes dessai pour clapets anti-retour

11、Ortsfeste Brandbekmpfungsanlagen Bauteile fr Lschanlagen mit gasfrmigen Lschmitteln Teil 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 Regulat

12、ions 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 Europe

13、an 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 national

14、 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. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMIT

15、EE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12094-13:2001 EPage 2 EN 12094-13:2001 Contents Page Foreword3 Introduction 3 1 Scope.4 2 Normative reference

16、s 4 3 Terms and definitions 4 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 Leakage 6 4.7 Impact .6 4.8 Function and ambient temperatures 6 4.9 Corrosion 6 4.10 Stress corrosion6 4.11 Vibration resistance7 4.12 Documentation

17、7 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 Function 9 5.9 Function at high and low temperature9 5.10 Corrosion 10 5.11 Stress corrosion10 5.12 Vibration10 6 Marki

18、ng 10 7 Evaluation of conformity 11 7.1 General .11 7.2 Initial type testing 11 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 Bibliogr

19、aphy .17Page 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 BSI. This European Standard shall be given the status of a national standard, either by publication of an identical te

20、xt 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 under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essentia

21、l 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 of European Standards prepared by CEN/TC 191 covering components for gas extinguishing systems. They are included i

22、n 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 systems (EN 26184) - foam systems (EN 13565) - hose systems (EN 671) - smoke and heat control systems (EN 12101) -

23、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: Requirements and test methods for non-electrical automatic control and delay devices - Part 3: Requirements and test met

24、hods 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 for selector valves and actuators for CO 2systems - Part 6: Requirements and test methods for non-electrical disable

25、 devices for CO 2systems - Part 7: Requirements and test methods for nozzles for CO 2systems - Part 8: Requirements and test methods for flexible connectors for CO 2systems - Part 9: Requirements and test methods for special fire detectors - Part 10: Requirements and test methods for pressure gauges

26、 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 for check valves and non-return valves - Part 16: Requirements and test methods for odorizing devices for low press

27、ure CO 2systems - 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 Regulations, the national standards organizations of the following countries are bound to implement this European S

28、tandard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Introduction It has been assumed in the preparation of this European Standard that the executio

29、n 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 stated. NOTE 1 bar = 10 5N m -2= 100 kPa.Page 4 EN 12094-13:2001 1 Scope This European Standard specifies the requirem

30、ents and describes test methods for check and non-return valves for CO 2 , inert 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 valv

31、es installed between container valve and manifold and non-return valves installed 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 p

32、ublications. These normative references are cited at the appropriate places in 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 revi

33、sion. For undated references the latest edition of the publication referred to applies (including amendments). EN 12094-8, Fixed firefighting systems - Components for gas extinguishing systems - Requirements and test methods for flexible connectors for CO 2systems ISO 7-1, Pipe threads where pressur

34、e-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation 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 de

35、finitions of EN 12094-8 and the following terms and definitions apply: 3.1 check valve component intended for installation between container valve and manifold, which permits flow only in one direction 3.2 CO 2 -high-pressure installation fire extinguishing installation in which the CO 2is stored at

36、 ambient temperature, e.g. the pressure of the CO 2in storage is p abs= 58,6 bar at 21 o C 3.3 CO 2 -low-pressure installation fire extinguishing installation in which the CO 2is stored at low temperature, normally at a temperature of - 19 o C to - 21 o C 3.4 fill ratio mass of extinguishing medium

37、related to the net capacity of a container expressed as kilograms per litre (kg/l) 3.5 gas 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 ele

38、ments fluorine, chlorine, bromine or iodine 3.7 halocarbon gas installation fire extinguishing installation in which the halocarbon gas is stored at ambient temperaturePage 5 EN 12094-13:2001 3.8 inert gas non-liquefied gas or mixture of gases which extinguish the fire mainly by reducing the oxygen

39、concentration in the protected zone, e.g. argon, nitrogen or CO 2or 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 containers 3.11 non-retu

40、rn 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 from liquid to vapou

41、r 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 alloy or corrosion-prote

42、cted 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-metallic materials a

43、nd 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.Page 6 EN 12094-13:2001 Table 1 - Working pressure Type Working

44、 pressure in bar for CO 2 -high-pressure component CO 2 -low-pressure component Inert gas component Halocarbon gas component Check valve 140 not applicable see a see a Non-return valve As specified by the manufacturer a This value is given as the developed pressure in the container at 50C with the h

45、ighest 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. 4.2 Connection threads Connection threads shall conform to ISO 7-1 or ISO 228-1 relating to threads. 4.3 Internal press

46、ure 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 and tested in accordance with 5.4. 4.4 Strength Non-return and check valves shall not show any sign of deterioration wh

47、ich 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 ma

48、nufacturer, when verified by the measurement check described in 5.3. NOTE See also annex A. 4.6 Leakage Non-return and check valves shall be sufficiently tight for the purpose they are constructed for, when tested in accordance with 5.6. 4.7 Impact Check valves shall not be damaged, when tested in a

49、ccordance with 5.7. 4.8 Function and ambient temperatures Check valves shall have reached their fully open position at a differential pressure of 3 bar maximum. Non-return valves shall have reached their fully open position at a differential pressure of not greater than 10 % of the minimum system pressure in the pilot system. Non-return and check valves shall operate in an ambient temperature range encompassing -20 C to +50 C, when tested in accordance with 5.8 and 5.