1、BRITISH STANDARDBS EN 12094-8:2006Fixed firefighting systems Components for gas extinguishing systems Part 8: Requirements and test methods for connectorsThe European Standard EN 12094-8:2006 has the status of a British StandardICS 13.220.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g5
2、4g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 12094-8:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006ISBN 0 580 488
3、03 9National forewordThis British Standard is the official English language version of EN 12094-8:2006. It supersedes BS EN 12094-8:1998 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee FSH/18, Fixed firefighting systems, to Subcommittee FSH/18/6, Gaseo
4、us 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-referencesThe British Standards which implement international or European publications referred to in this document may be f
5、ound 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 publication does not purport to include all the necessary provisions of a contract. Users are res
6、ponsible for its 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 international/European committee any enquiries on the interpretation, or proposals for change, and keep
7、 UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 22, an inside back cover and a back cover.The BSI copyright notice displayed in th
8、is document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12094-8April 2006ICS 13.220.20 Supersedes EN 12094-8:1998 English VersionFixed firefighting systems - Components for gas extinguishingsys
9、tems - Part 8: Requirements and test methods for connectorsInstallations fixes de lutte contre lincendie - lmentsconstitutifs des installations dextinction gaz - Partie 8:Exigences et mthodes dessai pour raccordsOrtsfeste Brandbekmpfungsanlagen - Bauteile frLschanlagen mit gasfrmigen Lschmitteln - T
10、eil 8:Anforderungen und Prfverfahren fr VerbindungenThis European Standard was approved by CEN on 9 March 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 alter
11、ation. 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 translat
12、ionunder 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,
13、 Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de
14、 Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12094-8:2006: EEN 12094-8:2006 (E) 2 Contents Page Foreword 3 Introduction5 1 Scope .6 2 Normative references .6 3 Terms and definitions.6 4 Requireme
15、nts.7 4.1 General design.7 4.2 Connection threads.8 4.3 Resistance to leakage.8 4.4 Resistance to bursting8 4.5 Resistance of type 2 and type 4 connectors to pressure and heat .8 4.6 Resistance of type 2 and type 4 connectors to heat and cold shock9 4.7 Resistance of flexible connectors to cold .9 4
16、.8 Resistance of type 2 connectors to flexing.9 4.9 Documentation9 5 Type test methods 10 5.1 Conditions 10 5.2 Samples 10 5.3 Compliance.11 5.4 Test for resistance to leakage .11 5.5 Test for resistance to bursting 11 5.6 Test for resistance of type 2 and type 4 connectors to pressure and heat12 5.
17、7 Test for resistance of type 2 and type 4 connectors to heat and cold shock 12 5.8 Test for resistance of flexible connectors to cold12 5.9 Test for resistance of type 2 connectors to flexing12 6 Marking .12 7 Evaluation of conformity 13 7.1 General 13 7.2 Initial type testing13 7.3 Factory product
18、ion control (FPC)14 Annex ZA (informative) Clauses of this European Standard addressing the provisions of the Construction Products Directive .18 ZA.1 Scope and relevant characteristics .18 ZA.2 Procedure for the attestation of conformity of connectors .19 ZA.3 CE Marking and labelling20 Bibliograph
19、y.22 EN 12094-8:2006 (E) 3 Foreword This European Standard (EN 12094-8:2006) 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
20、 identical text or by endorsement, at the latest by October 2006, and conflicting national standards shall be withdrawn at the latest by April 2009. This European Standard supersedes EN 12094-8:1998. This European Standard has been prepared under a mandate given to CEN by the European Commission and
21、 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 European Standard. This European Standard is part of a series concerned with gas extinguishing system compo
22、nents. The following European Standards are 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 (EN 14816). This standard has the general title “Fixed firefighting systems Components for gas extinguishing systems“ and will consist of the following parts: Part 1: Requirements and test methods for electrical automatic control and delay devices, Part 2: Requirements and test
24、 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 container valve assemblies and their actuators, Part 5: Requirements and test methods for high and low pressure sel
25、ector valves and their actuators, Part 6: Requirements and test methods for non-electrical disable devices, Part 7: Requirements and test methods for nozzles for CO2systems, EN 12094-8:2006 (E) 4 Part 8: Requirements and test methods for connectors, Part 9: Requirements and test methods for special
26、fire detectors, Part 10: Requirements and test methods for pressure gauges and pressure switches, Part 11: Requirements and test methods for mechanical weighing devices, Part 12: Requirements and test methods for pneumatic alarm devices, Part 13: Requirements and test methods for check valves and no
27、n-return valves, Part 16: Requirements and test methods for odorizing devices for CO2low pressure systems, Part 20: Requirements and test methods for the compatibility of components. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries ar
28、e 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, Switze
29、rland and United Kingdom. EN 12094-8:2006 (E) 5 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
30、in bar, unless otherwise stated. NOTE 1 bar = 105N m-2= 100 kPa. EN 12094-8:2006 (E) 6 1 Scope This European Standard specifies requirements and describes test methods for flexible and rigid connectors used in CO2-, Inert Gas- or Halocarbon gas fire extinguishing systems. This European Standard is a
31、pplicable to connectors used: between container valves and the manifold (type 1 and type 5 connector); in pneumatic pilot lines (type 3 connector); in distribution pipework of fire extinguishing installations downstream of the manifold/selector valve (type 2 or type 4 connector). 2 Normative referen
32、ces The following referenced documents are indispensable for the application of this European Standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN ISO 9001:2000, Quality management
33、 systems Requirements (ISO 9001:2000) 3 Terms and definitions For the purposes of this European Standard, the following terms and definitions apply. 3.1 CO2-high-pressure installation fire extinguishing installation in which the CO2is stored at ambient temperature. For example, the pressure of the C
34、O2in storage is pabs= 58,6 bar at 21 C 3.2 CO2-low-pressure installation fire extinguishing installation in which the CO2is stored at low temperature, normally 19 C to 21 C 3.3 fill ratio mass of extinguishing medium related to the net capacity of a container expressed as kilograms per litre (kg/l)
35、3.4 connector component that joins two parts 3.5 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 3.6 Halocarbon Gas installation fire extinguishing installation in which
36、the Halocarbon Gas is stored at ambient temperature EN 12094-8:2006 (E) 7 3.7 Inert Gas non liquefied gas or mixture of gases which extinguish the fire mainly by reducing the oxygen-concentration in the protected zone, like Argon, Nitrogen or mixtures of these gases with CO23.8 Inert Gas installatio
37、n fire extinguishing installation in which the Inert Gas is stored at ambient temperature 3.9 type 1 connector flexible connector for connecting container valves to a manifold or check valve 3.10 type 2 connector flexible connector for use in distribution pipework downstream of the manifold/selector
38、 valve for the connection of parts which may move relative to each other 3.11 type 3 connector flexible connector for use in pneumatic pilot lines 3.12 type 4 connector flexible connector for use in distribution pipework downstream of the manifold/selector valve for the connection of non-moving part
39、s which allow for dimensional adjustments 3.13 type 5 connector rigid connector for connecting containers to a manifold 3.14 working pressure pressure at which the component is used in the system 4 Requirements 4.1 General design Metal parts of connectors shall be made of stainless steel, copper, co
40、pper alloy or corrosion-protected steel (e.g. galvanized). All materials shall be resistant to media with which they come into contact. The type of connectors shall be specified by the manufacturer. Connectors shall be designed so that their function cannot be adversely affected by ageing or environ
41、mental influences. Non-metallic materials and elastomers shall be selected to be stable and not alter their performance over the working life recommended by the manufacturer. Connectors shall be specified by the manufacturer for working pressure at least in accordance with Table 1. Connectors may be
42、 specified by the manufacturer for use in systems with reduced and controlled pressure only. EN 12094-8:2006 (E) 8 Connectors shall be specified by the manufacturer for bursting pressure of at least three times the working pressure according to Table 1. The minimum bending radius of flexible connect
43、ors shall be specified by the manufacturer. The maximum angle of deflection of flexible connectors may be specified by the manufacturer. Table 1 Working pressure Working pressure in bar Type CO2-high-pressure component CO2-low-pressure component Inert Gas component Halocarbon Gas component Type 1 co
44、nnector 140 not applicable see NOTE 1see NOTE 1Type 2 connector 60 25 As specified by the manufacturer see NOTE 2Type 3 connector As specified by the manufacturer Type 4 connector 60 25 As specified by the manufacturer see NOTE 2Type 5 connector 140 not applicable see NOTE 1see NOTE 1NOTE 1 This val
45、ue is given as the developed pressure in the container at 50 C with the highest fill ratio/superpressurization, where applicable, or for components specified for use in systems with reduced and controlled pressure only as specified by the manufacturer. NOTE 2 This value is given as the developed pre
46、ssure in the container at 20 C with the highest fill ratio/superpressurization, where applicable, or for components specified for use in systems with reduced and controlled pressure only as specified by the manufacturer. 4.2 Connection threads Connection threads shall comply with European Standards
47、or International Standards for threads, e.g. ISO 7-1 or EN ISO 228-1. 4.3 Resistance to leakage Connectors shall not leak, and shall show no sign of damage which could impair proper function, when pressurized up to 1,5 times the working pressure according to Table 1 when tested in accordance with 5.
48、4. 4.4 Resistance to bursting Connectors shall not burst when pressurized up to 3 times the working pressure according to Table 1 when tested in accordance with 5.5. 4.5 Resistance of type 2 and type 4 connectors to pressure and heat NOTE Only for type 2 and type 4 connectors. Type 2 and type 4 conn
49、ectors shall show no sign of damage which could impair proper function when tested in accordance with 5.6 at the pressure and temperature conditions given in Table 2 and shall not leak when subsequently tested in accordance with 5.4. EN 12094-8:2006 (E) 9 Table 2 Test conditions for resistance of type 2 and type 4 connectors to pressure and heat Test condition Test pressure in bar Test temperature in C CO2-low pressure component 25 600CO2-high pressure component 60 600Inert Gas componen
