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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12094-5:2001 The Eu
2、ropean Standard EN 12094-5:2000 has the status of a British Standard ICS 13.220.10; 13.220.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Fixed firefighting systems Components for gas extinguishing systems Part 5: Requirements and test methods for high and low pressure sel
3、ector valves and their actuators for CO2systems Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:55:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI This British Standard, having been prepared under the direction of the Health and Environment Sector Committee, was published under the authority
4、 of the Standards Committee and comes into effect on 15 February 2001 BSI 02-2001 ISBN 0 580 36565 4 BS EN 12094-5:2001 Amendments issued since publication Amd. No.DateComments National foreword This British Standard is the official English language version of EN 12094-5:2000. This European Standard
5、 is the subject to transitional arrangements agreed under 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 C
6、E marking becomes effective. The UK participation in its preparation was entrusted by Technical Committee FSH/18, Fixed firefighting systems, to Subcommittee FSH/18/6, Gaseous extinguishing media and systems, which has the responsibility to: aid enquirers to understand the text; present to the respo
7、nsible European 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. A list of organizations represented on this subcommittee can be obtained on request to it
8、s secretary. Cross-references The British Standards which implement international or European 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 Standa
9、rds Electronic Catalogue. A British Standard does not purport to include all the necessary 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. Summary of page
10、s 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 notice displayed in this document indicates when the document was last issued. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:55:12 GMT+00:00 2006, Uncontro
11、lled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12094-5 December 2000 ICS 13.220.10 English version Fixed firefighting systems Components for gas extinguishing systems Part 5: Requirements and test methods for high and low pressure selector valves and their actuators for CO2
12、systems Installations fixes de lutte contre lincendie Elments constitutifs des installations dextinction gaz Partie 5: Exigences et mthodes dessai pour vannes directionnelles haute et basse pression et leurs dclencheurs pour systmes CO2 Ortsfeste Brandbekmpfungsanlagen Bauteile fr Lschanlagen mit ga
13、sfrmigen Lschmitteln Teil 5: Anforderungen und Prfverfahren fr Hoch- und Niederdruck-Bereichsventile und zugehrige Auslseeinrichtungen fr CO2-Anlagen This European Standard was approved by CEN on 18 November 2000. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipul
14、ate 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 European Standard exist
15、s 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 standards bodies
16、 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 KOMITEE FR NORMUNG Man
17、agement Centre: rue de Stassart, 36 B-1050 Brussels 2000 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12094-5:2000 E Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:55:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page
18、2 EN 12094-5:2000 BSI 02-2001 ContentsPage Foreword3 Introduction.4 1 Scope.4 2 Normative references.4 3 Terms and definitions4 4 Requirements5 4.1 General design 5 4.2 Connection threads and flanges.6 4.3 Function and ambient temperatures.6 4.4 Resistance to internal pressure and leakage6 4.5 Resis
19、tance to bursting.6 4.6 Operational reliability.6 4.7 Flow characteristics.6 4.8 Resistance to corrosion.6 4.9 Resistance to stress corrosion6 4.10 Vibration resistance.6 4.11 Operating force7 4.12 Documentation 7 5 Type test methods7 5.1 Conditions7 5.2 Samples and order of tests.7 5.3 Compliance8
20、5.4 Test for function.8 5.5 Test for resistance to internal pressure and leakage .9 5.6 Test for resistance to bursting.9 5.7 Test for operational reliability 9 5.8 Test for operation under temperature conditions9 5.9 Test for flow characteristic data 9 5.10 Test for resistance to corrosion.11 5.11
21、Test for resistance to stress corrosion12 5.12 Vibration test12 5.13 Test for operating force.12 6 Marking12 7 Evaluation of conformity.13 7.1 General13 7.2 Initial type testing.13 7.3 Factory production control (FPC)13 Annex ZA (informative) Clauses of this European Standard addressing essential pr
22、ovisions of EU Construction Products Directive14 Bibliography17 Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:55:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 3 EN 12094-5:2000 BSI 02-2001 Foreword This European Standard has been prepared by Technical Committee CEN/TC 191, Fixed fir
23、efighting 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 text or by endorsement, at the latest by June 2001, and conflicting national standards shall be withdrawn at the latest by Septem
24、ber 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 essential requirements of EU Directive 89/106/EEC. For relationship with EU Directive(s), see informative Annex ZA, which is an integral pa
25、rt 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 in a series of European Standards planned to cover: gas extinguishing systems (EN 12094); sprinkler systems (EN 12259); powd
26、er systems (EN 12416); explosion protection 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 co
27、ntrol and delay devices; Part 2: Requirements 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 valves assemblies and actuators; Par
28、t 5: Requirements and test methods 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 connec
29、tors for CO2 systems; Part 9: Requirements 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: Re
30、quirements and test methods for check valves and non-return valves; Part 16: Requirements and test methods for odorizing devices for CO2 low pressure systems; Part 17: Requirements and test methods for pipe hangers; Part 20: Requirements and test methods for compatibility of components. According to
31、 the CEN/CENELEC Internal 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
32、, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:55:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 4 EN 12094-5:2000 BSI 02-2001 Introduction It has been assumed in the preparation of this standard that the execution of its provisions is ent
33、rusted 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 = 105 Nm-2 = 100 kPa 1 Scope This European Standard specifies requirements and describes test methods for selector valves and
34、 their actuators used in CO2 firefighting systems. 2 Normative references This European Standard incorporates by dated or undated references, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For
35、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 applies (including amendments). EN 1092, Flanges and th
36、eir joints EN 12094-8, Fixed firefighting system Components for gas extinguishing systems Part 8: 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 designation ISO 228-1,
37、Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation ISO 7005, Metallic flanges 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.
38、1 actuator component which causes a valve to operate 3.2 container valve valve, which is intended to close the extinguishing media container and which releases the extinguishing media when the actuator is activated 3.3 fill ratio mass of extinguishing medium related to the net capacity of a containe
39、r expressed as kg/l 3.4 functional reliability ability of function under different working conditions Licensed Copy: sheffieldun sheffieldun, na, Sat Oct 28 14:55:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 5 EN 12094-5:2000 BSI 02-2001 3.5 high pressure container cylinder filled with CO2 und
40、er ambient temperature conditions NOTE The pressure at 20 C is 56,3 bar. 3.6 low pressure container insulated tank filled with CO2 equipped with a cooling machine NOTE The pressure at 20 C is 18,7 bar. 3.7 selector valve valve with two open positions, which is intended to release the extinguishing m
41、edia to the pipework for a flooding zone when activated 3.8 pressure relief valve valve, which protects a closed part of a pipe work against dangerous over pressure 3.9 resistance coefficient value for the calculation of the pressure drop in a component under two-phase flow condition 3.10 two-phase
42、flow partial change of phase of a fluid from liquid to vapour under flowing conditions 3.11 working pressure pressure at which the component is used in the system 4 Requirements 4.1 General design 4.1.1 Metal parts of the component shall be made of stainless steel, copper, copper alloy or corrosion-
43、protected steel (e.g. galvanized steel, cadmium-plated steel, etc.). All materials shall be resistant to media with which they come into contact. 4.1.2 The open and closed position of the selector valve shall be clearly indicated at the valve and shall be defined by mechanical means at the valve of
44、the actuator. 4.1.3 High pressure selector valves and actuators shall be designed for a maximum opening time of 3 s. Low pressure selector valves and actuators shall be designed for a maximum opening time of 3 s and for a maximum closing time of 3 s. 4.1.4 Selector valves shall be designed so that t
45、he closed position may be left only by activation of the actuators or by manual means. The closed position of low pressure valves shall not be maintained only by friction. 4.1.5 High pressure selector valves shall be designed and specified for a working pressure of 140 bar. Low pressure selector val
46、ves shall be designed and specified for a working pressure of 25 bar. NOTE Actuators may have a different working pressure than selector valves. A manual emergency operating device, if applicable, at the selector valve may not override pre-warning and time delay. Licensed Copy: sheffieldun sheffield
47、un, na, Sat Oct 28 14:55:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Page 6 EN 12094-5:2000 BSI 02-2001 4.1.6 The pressure of the housing of the selector valve shall not exceed the working pressure in any operating position. 4.1.7 The test sample shall comply to the technical description as specif
48、ied in 4.12 (drawings, parts lists, description of functions, operating and installation instructions) when checked in accordance with 5.3. 4.2 Connection threads and flanges Connections threads shall comply with ISO 7-1 or ISO 228-1 and for flanges with EN 1092 or ISO 7005. Inlet and outlet of the
49、valve shall be of the same size in diameter. 4.3 Function and ambient temperatures The selector valve and actuator shall operate in an ambient temperature range encompassing ?20 ?C to +50 ?C, when tested in accordance with 5.8. High pressure selector valves and actuators shall be designed to provide opening times of maximum 3 s, when tested in accordance with 5.4. Low pressure selector valves with their actuators shall be designed to provide times for opening and closi
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