1、BRITISH STANDARD BS EN 12094-11:2003 Fixed firefighting systems Components for gas extinguishing systems Part 11: Requirements and test methods for mechanical weighing devices The European Standard EN 12094-11:2003 has the status of a British Standard ICS 13.220.20 BS EN 12094-11:2003 This British S
2、tandard, was published under the authority of the Standards Policy and Strategy Committee on 1 July 2003 BSI 1 July 2003 ISBN 0 580 42192 9 National foreword This British Standard is the official English language version of EN 12094-11:2003. This European Standard is the subject to transitional arra
3、ngements 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 30 months before CE marking becomes effective. The UK
4、participation in its preparation was entrusted by Technical Committee FSH/18, Fixed fire fighting systems, to Subcommittee FSH/18/6, Gaseous extinguishing systems, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. C
5、ross-references The British Standards 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
6、of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text;
7、 present to the responsible international/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. Summary of pages This document comprises a front cover
8、, an inside front cover, the EN title page, pages 2 to 19 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. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1209411 March2003 ICS1
9、3.220.20 Englishversion FixedfirefightingsystemsComponentsforgasextinguishing systemsPart11:Requirementsandtestmethodsfor mechanicalweighingdevices InstallationsfixesdeluttecontrelincendieElments constitutifspourinstallationsdextinctiongazPartie11: Exigencesetmthodesdessaipourdispositifsdepese mcani
10、ques OrtsfesteBrandbekmpfungsanlagenBauteilefr LschanlagenmitgasfrmigenLschmittelnTeil11: AnforderungenundPrfverfahrenfrmechanische Wgeeinrichtungen ThisEuropeanStandardwasapprovedbyCENon7November2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivin
11、gthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyoth
12、erlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxemb
13、ourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwi
14、deforCENnationalMembers. Ref.No.EN1209411:2003EEN1209411:2003(E) 2 Contents page Foreword3 Introduction .5 1 Scope 6 2 Termsanddefinitions. .6 3 Requirements .7 3.1 Compliance.7 3.2 Design .7 3.3 Functionatnormaltemperature .7 3.4 Functionathighandlowtemperature .7 3.5 Overload7 3.6 Corrosion7 3.7 D
15、ocumentation.7 4 Testmethods 8 4.1 Testconditions . .8 4.2 Testsamplesandorderoftests. 8 4.3 Compliance.9 4.4 Functionatnormaltemperature .9 4.5 Functionathighandlowtemperature .10 4.6 Overload10 4.7 Corrosion10 5 Marking .11 6 Evaluationofconformity .11 6.1 General11 6.2 Initialtypetesting 12 6.3 F
16、actoryproductioncontrol(FPC) 12 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives 16 Bibliography 19EN1209411:2003(E) 3 Foreword Thisdocument(EN1209411:2003)hasbeenpreparedbyCEN/TC191“Fixedfirefightingsystem“,thesecretariat ofwhichishe
17、ldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbySeptember2003,andconflictingnationalstandardsshallbewithdrawnatthe latestbySeptember2005. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissiona
18、ndtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeAnnexZA,whichisanintegralpartofthisdocument. ThispartofEN12094isoneofanumberofEuropeanStandardspreparedbyCEN/TC191coveringcomponents forgasextinguishingsystems. Theyar
19、eincludedinaseriesofEuropeanStandardsplannedtocover: gasextinguishingsystems(EN12094); sprinklersystems(EN12259:1999+A1andEN12845); powdersystems(EN12416); explosionprotectionsystems(EN26184); foamsystems(EN13565); hosesystems(EN671); smokeandheatcontrolsystems(EN12101); waterspraysystems 1) . ThisE
20、uropeanStandardhasthegeneraltitle“ FixedfirefightingsystemsComponentsforgasextinguishing systems“andwillconsistofthefollowingparts: Part1: Requirementsandtestmethodsforelectricalautomaticcontrolanddelaydevices Part2: Requirementsandtestmethodsfornonelectricalautomaticcontrolanddelaydevices Part3: Re
21、quirementsandtestmethodsformanualtriggeringandstopdevices Part4: Requirementsandtestmethodsforhighpressurecontainervalveassembliesandtheiractuators Part5: RequirementsandtestmethodsforhighandlowpressureselectorvalvesandtheiractuatorsforCO 2 systems Part6: Requirementsandtestmethodsfornonelectricaldi
22、sabledevicesforCO 2 systems 1) Underpreparation.EN1209411:2003(E) 4 Part7: RequirementsandtestmethodsfornozzlesforCO 2 systems Part8: RequirementsandtestmethodsforflexibleconnectorsforCO 2 systems Part9: Requirementsandtestmethodsforspecialfiredetectors Part10: Requirementsandtestmethodsforpressureg
23、augesandpressureswitches Part11: Requirementsandtestmethodsformechanicalweighingdevices Part12: Requirementsandtestmethodsforpneumaticalarmdevices Part13: Requirementsandtestmethodsforcheckvalvesandnonreturnvalves Part16: RequirementsandtestmethodsforodorizingdevicesforCO 2 lowpressuresystems Part17
24、: Pipehangers Part20: Requirementsandtestmethodsforthecompatibilityofcomponents AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,I
25、celand,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1209411:2003(E) 5 Introduction IthasbeenassumedinthepreparationofthisEuropeanStandardthattheexecutionofitsprovisionsisentrustedto appropriatelyqualifiedandexperiencedpeople. Allp
26、ressuredatainthisEuropeanStandardaregivenasgaugepressuresinbar,unlessotherwisestated. NOTE 1bar=10 5 Nm 2 =100kPa.EN1209411:2003(E) 6 1Scope ThisEuropeanStandardspecifiesrequirementsandtestmethodsformechanicalweighingdevicesforcontinuous monitoringofcontainersofCO 2 ,InertGasorHalocarbonGasFireExtin
27、guishingInstallations. ThisEuropeanStandarddoesnotcoverweighingdevicesfornontransportablecontainerswhicharefilledand refilledonsite,e.g.CO 2 lowpressurecontainers. 2 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 2.1 CO 2 highpressureinstallation firee
28、xtinguishinginstallationinwhichtheCO 2 isstoredatambienttemperature.Forexample,thepressureofthe CO 2 instorageisp abs =58,6barat21C 2.2 CO 2 lowpressureinstallation fireextinguishinginstallationinwhichtheCO 2 isstoredatlowtemperature,normally19Cto21C 2.3 grossload massofacontainerfilledwithextinguis
29、hingmediumincludingvalveandactuator 2.4 fillratio themassofextinguishingmediumrelatedtothenominalinternalvolumeofacontainerexpressedinkilogramsper litre 2.5 halocarbongas extinguishingagentthatcontainsasprimarycomponentsoneormoreorganiccompoundscontainingoneormore oftheelementsfluorine,chlorine,brom
30、ineoriodine 2.6 halocarbongasinstallation fireextinguishinginstallationinwhichthehalocarbongasisstoredatambienttemperature 2.7 inertgas nonliquefiedgasormixtureofgaseswhichextinguishthefiremainlybyreducingtheoxygenconcentrationinthe protectedzone,e.g.Argon,NitrogenorCO 2 ormixturesofthesegases 2.8 i
31、nertgasinstallation fireextinguishinginstallationinwhichtheinertgasisstoredatambienttemperature 2.9 netload massoftheextinguishingmediuminacontainerEN1209411:2003(E) 7 3Requirements 3.1Compliance Thetestsampleshallcomplywiththedocumentation(drawings,partslists,descriptionoffunctions,operatingand ins
32、tallationinstructions)whenassessedinaccordancewith4.3. 3.2Design Aweighingdevicemaybedesignedformonitoringcontainersofvarioussizes,withvariousfillratiosorwithvarious gases. NOTE1 Differentcombinationsofsize,fillratio(whereapplicable)andtypeofgasresultindifferentvaluesforgrossandne t load. Foreachcom
33、binationofgrossloadandnetload,whichtheweighingdeviceisusedfor,themanufacturershall specify: a) typeofgas; b) nominalinternalvolumeofthecontainer; c)net load; d)gross load; e) fillratio,ifapplicable. Aweighingdeviceshallbeadjustabletogivealossindicationwhenamasslossbetween5%and10%ofthenet loadoccurs.
34、Thelossindicationshallbemaintaineduntilcorrectiveactionistaken. NOTE2 Normalbuildingmovementshouldnotgenerateafalselossindication. 3.3 Functionatnormaltemperature Aweighingdeviceshallrespondtoamasslossofbetween5%and10%ofthenetload,whentestedin accordancewith4.4.1. 3.4 Functionathighandlowtemperature
35、 Aweighingdeviceshallrespondtoamasslossofbetween5%and10%ofthenetload,whentestedat20C and+50Cinaccordancewith4.5. 3.5Overload Aweighingdeviceshallrespondtoamasslossofbetween5%and10%ofthenetload,whentestedin accordancewith4.4.2,afterbeingloadedwithtwicethemaximumgrossloadinaccordancewith4.6. 3.6Corros
36、ion Aweighingdeviceshallrespondtoamasslossofbetween5%and10%ofthenetload,whentestedin accordancewith4.4.2,afterbeingsubjectedtothecorrosiveatmosphereinaccordancewith4.7. 3.7Documentation 3.7.1 Themanufacturershallprepareandmaintaindocumentation.EN1209411:2003(E) 8 3.7.2 Themanufacturershallprepareins
37、tallationanduserdocumentation,whichshallbesubmittedtothetesting authoritytogetherwiththetestsample(s).Thisdocumentationshallcompriseatleastthefollowing: a) ageneraldescriptionofthecomponent,includingalistofitsfeaturesandfunctions; b) atechnicalspecificationincluding: 1) theinformationmentionedin3.2;
38、 2) sufficientinformationtopermitanassessmentofthecompatibilitywithothercomponentsofthesystem(if applicablee.g.mechanical,electricalorsoftwarecompatibility); c) installationinstructionsincludingmountinginstructions; d)operating instructions; e)maintenance instructions; f) routinetestinginstructions,
39、ifappropriate. 3.7.3 Themanufacturershallpreparedesigndocumentation,whichshallbesubmittedtothetestingauthority togetherwiththetestsample(s).Thisdocumentationshallincludedrawings,partslists,blockdiagrams(if applicable),circuitdiagrams(ifapplicable)andafunctionaldescriptiontosuchanextentthatcompliance
40、withthis EuropeanStandardmaybecheckedandthatageneralassessmentofthedesignismadepossible. 4Test methods 4.1Test conditions Thecomponentshallbeassembledfortestasspecifiedinthedocumentation.Thetestsshallbecarriedoutata temperatureof(2510)C,exceptwhenotherwisespecifiedforaparticulartest. Thetolerancefor
41、alltestparametersis5%,unlessotherwisestated. 4.2 Testsamplesandorderoftests Forthetestsonesampleisneeded.TheorderoftestsisshowninTable1.EN1209411:2003(E) 9 Table1Orderoftests Orderoftest Test 1 4.3Compliance 2 4.4.1Functionatnormaltemperature 3 4.5Functionathighandlowtemperature 4 4.6Overload 5 4.4.
42、2Functionatnormaltemperature 6 4.7Corrosion 7 4.4.2Functionatnormaltemperature 4.3Compliance Thistestrelatestotherequirementsof3.1. Avisualandmeasurementcheckshallbemadetodeterminethatthetestsamplecorrespondstothedescriptionin thedrawings,partslists,descriptionoffunctions,operatingandinstallationins
43、tructions. 4.4 Functionatnormaltemperature 4.4.1 Thistestrelatestotherequirementsof3.3. Ifaweighingdeviceisspecifiedbythemanufacturerforonecombinationofgrossloadandnetload,thefollowing sequencea)tod)shallbeconductedwiththespecifiedgrossloadandnetload. Ifaweighingdeviceisspecifiedbythemanufacturerforseveralcombinationsofgrossloadandnetload,the followingsequencea)tod)shallbeconductedwiththefollowingcombinationsofgrossloadandnetload: maximumgrossload,maximumnetload; maximumgrossloa
