SIST EN 12094-9:2003
(Main)Fixed firefighting systems - Components for gas extinguishing systems - Part 9: Requirements and test methods for special fire detectors
Fixed firefighting systems - Components for gas extinguishing systems - Part 9: Requirements and test methods for special fire detectors
This European Standard specifies requirements and test methods for for special fire detectors, other than fire detectors covered by EN 54, used inert gas- or halo-carbon-gas fire extinguishing systems. Special fire detectors are heat sensitive devices, including a mounting device, designed to react at a predetermined temperature by: - bursting of a glass bulb; - melting of a fusible element.
Ortsfeste Brandbekämpfungsanlagen - Bauteile für Löschanlagen mit gasförmigen Löschmitteln - Teil 9: Anforderungen und Prüfverfahren für spezielle Branderkennungselemente
Diese Europäische Norm legt Anforderungen und Prüfverfahren für spezielle Branderkennungselemente zum Einsatz in CO2-, Inertgas- oder Feuerlöschanlagen mit halogeniertem Kohlenwasserstoff fest, die nicht durch EN 54-1 erfasst werden.
Diese Europäische Norm gilt für spezielle Branderkennungselemente, die durch
Platzen eines Glasfässchens oder
Schmelzen eines Schmelzlotelements
ansprechen.
Installations fixes de lutte contre l'incendie - Eléments constitutifs pour installations d'extinction a gaz - Partie 9: Exigences et méthodes d'essai pour détecteurs spéciaux
La présente norme européenne spécifie les exigences et les méthodes d'essai relatives aux détecteurs spéciaux d'incendie autre que les détecteurs traités dans l'EN 54, les systemes d'extinctions d'incendie utilisant un gaz inerte ou un gaz halogéné. Les détecteurs spéciaux d'incendie sont des dispositifs sensibles a la chaleur comportant un dispositif de montage et conçus pour réagir a une température pré-déterminée par: - éclatement d'une ampoule de verre; - fusion d'un élément fusible.
Vgrajeni gasilni sistemi - Sestavni deli sistemov za gašenje s plinom - 9. del: Zahteve in preskusne metode za posebne požarne javljalnike
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Vgrajeni gasilni sistemi - Sestavni deli sistemov za gašenje s plinom - 9. del: Zahteve in preskusne metode za posebne požarne javljalnikeOrtsfeste Brandbekämpfungsanlagen - Bauteile für Löschanlagen mit gasförmigen Löschmitteln - Teil 9: Anforderungen und Prüfverfahren für spezielle BranderkennungselementeInstallations fixes de lutte contre l'incendie - Eléments constitutifs pour installations d'extinction a gaz - Partie 9: Exigences et méthodes d'essai pour détecteurs spéciauxFixed firefighting systems - Components for gas extinguishing systems - Part 9: Requirements and test methods for special fire detectors13.220.10Gašenje požaraFire-fightingICS:Ta slovenski standard je istoveten z:EN 12094-9:2003SIST EN 12094-9:2003en01-maj-2003SIST EN 12094-9:2003SLOVENSKI
STANDARD
SIST EN 12094-9:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12094-9March 2003ICS 13.220.20English versionFixed firefighting systems - Components for gas extinguishingsystems - Part 9: Requirements and test methods for special firedetectorsInstallations fixes de lutte contre l'incendie - Elémentsconstitutifs pour installations d'extinction à gaz - Partie 9:Exigences et méthodes d'essai pour détecteurs spéciauxOrtsfeste Brandbekämpfungsanlagen - Bauteile fürLöschanlagen mit gasförmigen Löschmitteln - Teil 9:Anforderungen und Prüfverfahren für spezielleBranderkennungselementeThis European Standard was approved by CEN on 10 August 2002.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 alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12094-9:2003 ESIST EN 12094-9:2003
EN 12094-9:2003 (E)2ContentspageForeword.3Introduction.51Scope.62Normative references.63Terms and definitions.64Requirements.74.1General.74.2Nominal operating temperature.84.3Operating temperature.84.4Thermal response.84.5Pressure.84.6Force.94.7Function.94.8Heat exposure.94.9Strength of release elements.94.10Strength of the mounting support.94.11Thermal shock.94.12Resistance to low temperature.94.13Corrosion.104.14Stress corrosion.104.15Vibration resistance.104.16Documentation.105Test methods.115.1Test conditions.115.2Test samples and order of tests.115.3Compliance.125.4Pressure.125.5Force.125.6Function.125.7Corrosion.125.8Stress corrosion.135.9Vibration (sinusoidal).136Marking.147Evaluation of conformity.147.1General.147.2Initial type testing.157.3Factory production control (FPC).15Annex ZA
(informative)
Clauses of this European Standard addressing the provisions of the EUConstruction Products Directive.19Bibliography.23SIST EN 12094-9:2003
EN 12094-9:2003 (E)3ForewordThis document (EN 12094-9:2003) has been prepared by Technical Committee CEN/TC 191 "Fixed firefightingsystems", 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 orby endorsement, at the latest by September 2003, and conflicting national standards shall be withdrawn at thelatest by September 2005.This document has been prepared under a mandate given to CEN by the European Commission and the EuropeanFree 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 part of this document.This part of EN 12094 is one of a number of European Standards prepared by CEN/TC 191 covering componentsfor gas extinguishing systems.They are included in a series of European Standards planned to cover:- gas extinguishing systems (EN 12094)- sprinkler systems (EN 12259:1999+A1 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)- water spray systems1)This European Standard has the general title "Fixed firefighting systems – Components for gas extinguishingsystems" 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 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 their actuators- Part 5: Requirements and test methods for high and low pressure selector valves and their actuators for CO2systems- Part 6: Requirements and test methods for non-electrical disable devices for CO2 systems
1)Under preparation.SIST EN 12094-9:2003
EN 12094-9:2003 (E)4- 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: 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 mechanical weighing devices- Part 12: Requirements and test methods for pneumatic 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 CO2 low pressure systems- Part 17: Pipe hangers- Part 20: Requirements and test methods for the compatibility of componentsAccording to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal,Slovakia, Spain, Sweden, Switzerland and the United Kingdom.SIST EN 12094-9:2003
EN 12094-9:2003 (E)5IntroductionIt has been assumed in the preparation of this European Standard that the execution of its provisions is entrustedto appropriately qualified and experienced people.All pressure data in this European Standard are given as gauge pressures in bar, unless otherwise stated.NOTE1 bar = 105 N m-2 = 100 kPa.SIST EN 12094-9:2003
EN 12094-9:2003 (E)61 ScopeThis European Standard specifies requirements and test methods for special fire detectors, other than firedetectors covered by EN 54-1, used in CO2-, Inert gas- or Halocarbon gas and other fire extinguishing systems.This European Standard covers special fire detectors, which react¾ by bursting of a glass bulb or¾ by melting of a fusible element.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 54-1, Fire detection and fire alarm systems - Part 1: Introduction.EN 12259-1:1999+A1, Fixed firefighting systems - Components for sprinkler and water spray systems - Part 1:Sprinklers.EN 60068-2-6, Environmental testing - Part 2: Tests - Tests Fc: Vibration (sinusoidal) (IEC 60068-2-6:1995 +Corrigendum 1995).3 Terms and definitionsFor the purposes of this European Standard, the following terms and definitions apply.3.1CO2-high-pressure installationfire extinguishing installation in which the CO2 is stored at ambient temperatureNOTEThe pressure of the CO2 in storage is pabs = 58,6 bar at 21 °C.3.2 CO2-low-pressure installationfire extinguishing installation in which the CO2 is stored at low temperature, normally – 19 °C to – 21 °C3.3fire detectorcomponent as defined in EN 54-13.4halocarbon gasextinguishing agent that contains as primary components one or more organic compounds containing one or moreof the elements fluorine, chlorine, bromine or iodine3.5halocarbon gas installation
fire extinguishing installation in which the halocarbon gas is stored at ambient temperatureSIST EN 12094-9:2003
EN 12094-9:2003 (E)73.6inert gas
non liquefied gas or mixture of gases which extinguish the fire mainly by reducing the oxygen-concentration in theprotected zone, like argon, nitrogen or CO2 or mixtures of these gases3.7inert gas installation
fire extinguishing installation in which the inert gas is stored at ambient temperature3.8release elementpart of a special fire detector, which operates at a predetermined temperature3.9RTI (response time index)measure of the thermal sensitivity of a special fire detector expressed in (m s)1/23.10series of special fire detectorsseveral special fire detectors of identical design but with different nominal operating temperaturesNOTEThe different nominal operating temperatures are realised in case of glass bulbs by variation of the fill factor in theglass bulb and in case of fusible elements by variation of the fusible material.3.11service loadload which the release element sustains in its mounted position over its design lifetime3.12special fire detectorheat sensitive device other than fire detectors covered by EN 54-1, including a release element designed to reactat a predetermined temperature and a mounting device3.13working pressurepressure at which the component is used in the system4 Requirements4.1 General4.1.1If the special fire detector is designed for use under permanent gaseous pressurisation or under permanentforce, this shall be specified by the manufacturer.For special fire detectors designed for use under permanent gaseous pressurisation the manufacturer shall specifythe maximum and minimum working pressure and the minimum environmental temperature.Special fire detectors for use under permanent gaseous pressurisation from a CO2-low-pressure container shall bedesigned for a working pressure of at least 25 bar.For special fire detectors designed for use under permanent force the manufacturer shall specify the maximum andminimum force.4.1.2If the service load depends on installation conditions, the manufacturer shall specify the conditions(pressure or force) giving the maximum service load.4.1.3The test sample shall conform to the technical description (drawings, parts lists, description of functions,operating and installation instructions) when assessed in accordance with
5.3.SIST EN 12094-9:2003
EN 12094-9:2003 (E)84.2
Nominal operating temperatureSpecial fire detectors shall meet one of the nominal operating temperature requirements for sprinklers according toEN 12259-1:1999+A1.4.3
Operating temperatureWhen tested in accordance with EN 12259-1:1999+A1 (operating temperature test), special fire detectors shallmeet the operating temperature requirements, corresponding to the nominal operating temperature for sprinklersaccording to EN 12259-1:1999+A1.4.4 Thermal responseSpecial fire detectors shall meet one of the RTI classes of the thermal response requirements for sprinklersaccording to EN 12259-1:1999+A1. The test shall be carried out in accordance with EN 12259-1:1999+A1(measurement of RTI) without determination of C-value, which in the calculation of the RTI is set to zero.NOTERTI-formula with the C-value set to zero:)gea1(lnrTTutRTIDD--=wheretr=response time of the test sample in secondsu=air velocity in the test section in m/s at the moment the test sample operatesDTea=mean operating temperature of the component minus mount temperatureThe value of the mean operating temperature is given as the mean value of the measuredoperating temperatures of the test samples tested in the nominal operating temperature test.DTg=air temperature in the test section at the moment the test sample operates minus mounttemperatureln=natural logarithm.4.5 Pressure4.5.1A special fire detector designed for use under permanent gaseous pressurisation shall show no signs ofdeterioration and shall not leak when tested as described in 5.4.1, 5.4.2, 5.4.3 and 5.4.4.Subsequently, a special fire detector shall operate correctly, when tested in accordance with 5.6.4.5.2A special fire detector designed for use under permanent gaseous pressurisation shall not burst whentested as described in 5.4.5.SIST EN 12094-9:2003
EN 12094-9:2003 (E)94.6
ForceA special fire detector designed for use under permanent force shall show no signs of deterioration when tested asdescribed in 5.5.Subsequently, a special fire detector shall operate correctly, when tested in accordance with 5.6.4.7
FunctionA special fire detector shall operate correctly, when tested in accordance with
5.6.4.8
Heat exposure4.8.1A special fire detector shall be exposed to increased ambient temperature in accordance withEN 12259 -1:1999+A1 (heat exposure test for uncoated sprinklers) with the following amendment:The test sample shall be tested under the specified conditions (pressure or force) giving the maximum service load.A special fire detector designed for use under permanent gaseous pressurisation shall show no signs ofdeterioration and shall not leak when tested as described in 5.4.2, after being exposed to increased ambienttemperature as described above.A special fire detector shall operate correctly, when tested in accordance with 5.6, after being exposed to increasedambient temperature as described above.A special fire detector shall fulfil the requirements of
4.3, when tested in accordance with EN 12259-1:1999+A1(operating temperature test), after being exposed to increased ambient temperature as described above.4.8.2When tested in accordance with EN 12259-1:1999+A1 (heat exposure test for glass bulb sprinklers),special fire detectors with glass bulb shall meet the heat exposure requirements for glass bulb sprinklers accordingto EN 12259-1:1999+A1.4.9 Strength of release elementsWhen tested in accordance with EN 12259-1:1999+A1 (strength of release element test for sprinklers), special firedetectors shall meet the strength of release element requirements for sprinklers according toEN 12259-1:1999+A1.4.10 Strength of the mounting supportWhen tested in accordance with EN 12259-1:1999+A1 (strength of sprinkler body test for sprinklers), special firedetectors shall meet the strength of sprinkler body requirements for sprinklers according to EN 12259-1:1999+A1.4.11 Thermal shockA special fire detector with glass bulb shall be tested in accordance with EN 12259-1:1999+A1 (thermal shock test)and meet the thermal shock requirements for sprinklers according to EN 12259-1:1999+A1 with the followingamendment:¾ the subsequent function tests shall be carried out in accordance with 5.6 of this European Standard.4.12 Resistance to low temperatureA special fire detector shall be tested in accordance with EN12259-1:1999+A1 (low temperature test) and meet thelow temperature requirements for sprinklers according to EN 12259-1:1999+A1 with the following amendment:¾ the subsequent function tests shall be carried out in accordance with 5.6 of this European Standard.SIST EN 12094-9:2003
EN 12094-9:2003 (E)104.13 CorrosionA special fire detector shall operate correctly, when tested in accordance with 5.6, after being subjected to thecorrosive atmosphere in accordance with 5.7.The RTI-value of a special fire detector shall not exceed a value of 130 % of the respective RTI-value, when testedas required in 4.4, after being subjected to the corrosive atmosphere in accordance with 5.7.4.14 Stress corrosionAny copper alloy part used in the component shall not crack, when tested in accordance with
5.8.4.15 Vibration resistanceWhere the correct operation of the special fire detector can be adversely affected by vibration, it shall show novisible signs of deterioration and shall operate satisfactorily, when tested in accordance with 5.6, after beingsubjected to vibration in accordance with 5.9.4.16 Documentation4.16.1The manufacturer shall prepare and maintain documentation.4.16.2The manufacturer shall prepare installation and user documentation, which shall be submitted to the testingauthority together with the test sample(s). This documentation shall comprise at least the following:a) a general description of the component, including a list of its features and functions;b) a technical specification including:1) the nominal operating temperature;2) the information as required in 4.1;3) sufficient information to permit an assessment of the compatibility with other components of the system(if applicable e.g. mechanical, electrical or software compatibility);c)installation and mounting instructions;d)operating instructions;e)maintenance instructions;f)routine testing instructions, if appropriate.4.16.3The manufacturer shall prepare design documentation, which shall be submitted to the testing authoritytogether with the test sample(s). This documentation shall include drawings, part lists, block diagrams (ifapplicable), circuit diagrams (if applicable) and a functional description to such an extent that compliance with thisEuropean Standard may be checked and that a general assessment of the design is made possible.SIST EN 12094-9:2003
EN 12094-9:2003 (E)115 Test methods5.1 Test conditionsThe special fire detector shall be assembled for test in accordance with the manufacturer's installation instructions.The tests shall be carried out at a temperature of (25 ± 10) °C, except when otherwise specified for a particulartest.The tolerance for all test parameters is 5 %, unless otherwise stated.5.2 Test samples and order of testsThe number of test samples (numbers or numbers in brackets) and the order of tests (letters A, B.) shall be asshown in Table 1.Table 1 — Number of test samples and order of testsNumber of test samplesTestaccording toTest1040a1051241010b555555.3ComplianceAAAAAAAAAAAAEN 12259-1:1999+A1Nominal operating temperatureB--C(4)--------EN 12259-1:1999+A1Thermal response-B-------C(2)--5.4.1/2/3/4Pressure--BC(4)--------5.4.5Pressure--C(1)---------5.5Force--B---------5.6Function--C(4)C(4)---CCC(3)-CEN 12259-1:1999+A1Heat exposure---B--------EN 12259-1:1999+A1Heat exposure (glass bulb)----B-------EN 12259-1:1999+A1Strength of release element------B-----EN 12259-1:1999+A1Strength of the mountingsupport-----B------EN 12259-1:1999+A1Thermal shock-------B----EN 12259-1:1999+A1Resistance to low temperature--------B---5.7Corrosion---------B--5.8Stress corrosion----------B-5.9Vibration-----------Ba40 additional glass bulbs in the case of special fire detectors with glass bulbb10 release elements (glass bulbs or fusible links)SIST EN 12094-9:2003
EN 12094-9:2003 (E)12Depending on the materials and the design of a series of special fire detectors for some tests it may be possible totake test results for one or several nominal operating temperatures as test results for the whole series.The same test sample may be used for tests in more than one column of Table 1 and tests with more than onenominal operating temperature, when the test results are positive and when the test sample is reassembled with anew release element.5.3 ComplianceAn appropriate visual and measurement check shall be made to determine that the test sample corresponds to thedescription in the drawings, parts lists, description of functions, operating and installation instructions.5.4 PressureNOTEThese tests relate to the requirements specified in 4.5.5.4.1The special fire detector shall be connected to a suitable hydraulic pressure supply. Provision for ventingshall be available. The system shall be vented of air and the pressure shall be increased at (2 ± 1) bar s-1 up to1,5 times the maximum working pressure. This pressure shall be maintained for a period of 5 min. At the end of thisperiod the hydraulic pressure shall be released.5.4.2The special fire detector shall be pressurized with air or nitrogen to the maximum working pressure for10 min. The special fire detector shall be examined in a liquid bath for leakage. No bubbles shall appear.5.4.3The special fire detector shall be conditioned for 2 h at the specified minimum environmental temperature.Subsequently the test shall be carried out in accordance with 5.4.2 at this temperature, using a suitable liquid.5.4.4The special fire detector shall be conditioned for 2 h at 10 °C below the nominal operating temperature witha maximum of 50 °C. Subsequently the test shall be carried out in accordance with 5.4.2 at this temperature.5.4.5The special fire detector shall be connected to a suitable hydraulic pressure supply. Provision for ventingshall be available. The system shall be vented of air and the pressure shall be increased at (2 ± 1) bar s-1 up to3 times the maximum working pressure. This pressure shall be maintained for a period of 5 min. At the end of thisperiod the hydraulic pressure shall be released.5.5 ForceNOTEThis test relates to the requirements specified in 4.6.The special fire detector shall be loaded with 1,5 times the maximum specified force. This force shall be maintainedfor a period of 5 min.5.6 FunctionNOTEThis test relates to the requirements specified in 4.7 and other requirement clauses.The special fire detector shall be installed under its normal mounting conditions. If the ability to operate correctly isinfluenced by installation conditions the manufacturer shall specify the installation conditions giving the minimumsupport (e.g. minimum pressure, minimum force) and the test sample shall be tested under these conditions.The test sample shall be installed in the test apparatus which raises the temperature in not more than 3 min to alevel at which the test sample operates. The test sample shall be examined for correct operation.5.7 CorrosionNOTEThis test relates to the requirements specified in
4.13.The test sample shall be suspended freely in its normal installation attitude.SIST EN 12094-9:2003
EN 12094-9:2003 (E)13The test set-up comprises a container 5 l in volume, made of heat-resistant glass and with a corrosion-resistantcover which is shaped to prevent condensate dripping onto the specimen. If a container 10 litres in volume is used,the quantities of chemicals given below shall be doubled. The container is heated electrically and the side walls arecooled with water. A thermostat regulates the heating so as to maintain a temperature of approximately 45 °Cinside the container. During testing, water is passed through a cooling coil wrapped around the container; it shallflow fast enough that its temperature at the discharge point is below 30 °C.The combination of heating and cooling shall be designed to ensure that vapours will condense on the surface ofthe specimen. The sulphur dioxide atmosphere shall be generated in the 5-l container with a solution of 20 g ofsodium thiosulphate (Na2S2O3 x 5H2O) in 500 cm3 of distilled water, to which 20 cm3 of dilute sulphuric acid isadded daily. The dilute sulphuric acid shall comprise 128 cm3 of one molar sulphuric acid (H2SO4) dissolved in 1 lof distilled water. The test specimen shall be removed from the container after 8 days; the container shall becleaned. Then the procedure described above is repeated for a further period of eight days.After a total of 16 days, the specimen is removed from the container and allowed to dry for seven days at atemperature of (20 ± 5) °C at maximum relative humidity of 70 %.5.8 Stress corrosionNOTEThis test relates to the requirements specified in 4.14.The test specimen shall be degreased and then exposed for 10 days to a moist atmosphere of ammonia and air, ina glass container of 10 l to 30 l in
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