BS EN 13180-2002 Ventilation for buildings - Ductwork - Dimensions and mechanical requirements for flexible ducts《建筑物的通风 通风道工程 软导管尺寸和机械性能要求》.pdf

1、BRITISH STANDARD BS EN 13180:2002 Ventilation for buildings Ductwork Dimensions and mechanical requirements for flexible ducts The European Standard EN 13180:2001 has the status of a British Standard ICS 91.140.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 13180:2002

2、 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 25 January 2002 BSI 25 January 2002 ISBN 0 580 38918 9 National foreword This British Standard

3、 is the official English language version of EN 13180:2001. The UK participation in its preparation was entrusted to Technical Committee RHE/2, Air distribution and air diffusion, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its

4、 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 Sta

5、ndards 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. aid enquirer

6、s 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; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a

7、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 last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13180 Novem

8、ber2001 ICS91.140.30 Englishversion VentilationforbuildingsDuctworkDimensionsand mechanicalrequirementsforflexibleducts VentilationdesbtimentsRseaudeconduits Dimensionsetprescriptionsmcaniquespourlesconduits flexibles LftungvonGebudenLuftleitungenMaeund mechanischeAnforderungenfrflexibleLuftleitunge

9、n ThisEuropeanStandardwasapprovedbyCENon29September2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standard

10、smaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official v

11、ersions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOM

12、ITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13180:2001EEN13180:2001(E) 2 Contents page Foreword .3 Introduction 5 1 Scope5 2 Termsanddefinitions. 5 3 Dimensionsforducts 6 4 Mechani

13、calpropertiesandrequirements.8 5 Testmethods .9 6 Testreport. .15 7 Marking,labellingandpackaging15 AnnexA (informative) Exampleofatestsheet 16 Bibliography .17EN13180:2001(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC156“Ventilationfor buildings“,thesecretariatofwhichi

14、sheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestbyMay2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyMay2002. Thisstandardisoneofaseriesofstandardsforductworkusedforventilationandairconditionin

15、gof buildingsforhumanoccupancy. ThepositionofthisstandardinthefieldofmechanicalbuildingservicesisshowninFigure1. Mechanicalbuildingservices ControlSystems Ventilationandair conditioningsystems HeatingSystems Airhandling units Ductwork Installation Hangersand supports Requirements forstrength Sheetme

16、tal airductswith circularcross section Dimensions Circularsheet metalairducts Requirements forstrengthand leakage Rectangularsheet metalairducts Requirementsfor strengthand leakage Flanges Sheetmetal airductswith rectangular crosssection Dimensions Measurement ofductsurface area Requirementsfor duct

17、work components tofacilitate maintenance Determinationof mechanicalenergy loss Flexible ducts Ductworkmadeof insulationductboards Figure1 PositionofEN13180inthefieldofmechanicalbuildingservicesEN13180:2001(E) 4 AnnexAisinformative. ThisstandardincludesaBibliography. AccordingtotheCEN/CENELECInternal

18、Regulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN13180:2001(E)

19、5 Introduction Thisstandardhasbeenpreparedto: specifydimensionsandtolerancesforflexibleducts; givemethodsfortheperformancetestingofflexibleducts; andenableassessmentofminimumtechnicalrequirements. Howeverbecauseofthedifferenttypesofflexibleductsandthevariousrequirementsineach application,sometechnic

20、alcharacteristicsarepresentedasclassesandmaydifferdependingonthe materialsused. Thisstandardcanbeusedforthefollowingapplications: testingofcomponentsduringandaftermanufacturing; attestationpurposes. Temperaturecharacteristicsaresuppliedbythemanufacturer. 1Scope Thisstandardspecifiesrequirementsandte

21、stmethodsforthetechnicalcharacteristicsofflexible ductsusedinventilationandairconditioninginstallationsinbuildingsforhumanoccupancy. Thisstandardidentifiesthefollowingparameterswhichshallbetestedorinspected: dimensionsandtolerances; mechanical resistance. Acoustic,thermal,reactiontofire,andpressurel

22、osspropertiesofflexibleductsarenotcoveredinthis standard. 2 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 2.1 flexibleduct ductwhichcanbemanuallylongitudinallycompressedordecompressedandflexedwithout permanentlydamagingthecrosssectionareaEN13180:2001(

23、E) 6 2.2 airleakagefactor airtightnessexpressedastheairleakagerateperunitenvelopearea 2.3 crushingstrength load,atrightanglestotheaxisoftheduct,perunitdeflectionuptoamaximumof10%deformation 2.4 positiveratedoperatingpressure testedmaximumpositivepressureatwhichtheductisrated 2.5 negativeratedoperati

24、ngpressure testedmaximumnegativepressureatwhichtheductisrated 2.6 nominallengthofaflexibleduct actuallengthofaflexibleductafterdecompressionandinanunstressedstate 2.7 sag angleofdeflectionofoneendofaflexibleductwhenextendingintheairbeyondthehorizontal supportoftheremainderoftheflexibleduct 2.8 testp

25、ressure( p s ) staticgaugepressuremeasuredintheductbeingtested 3 Dimensionsforducts 3.1Ductswithcircularcrosssection ThedeviationsdependingonthenominaldiametershallconformtoTable 1whenverifiedin accordancewith5.2.Thenominaldiametersshallalsoapplytofittings.EN13180:2001(E) 7 Table1 Nominaldiametersan

26、ddeviations Nominaldiameter d Deviations mm mm ClassA ClassB 63 80 +1 +3 100 0 0 125 150 160 200 +2 +4 250 0 0 300 315 355 400 450 +3 +6 500 00 560 630 NOTEFiguresinboldindicaterecommendedsizesinaccordancewithEN1506 WhereanominaldiameterotherthanthosegiveninTable1isspecifiedbytheclient,thedeviations

27、 usedshallbethoseapplicabletothenearestsmallernominaldiametergiveninTable1. 3.2Ductswithnoncircularcrosssection Thenominaldimensionsandtolerancesshallbeasspecifiedbythemanufacturer.EN13180:2001(E) 8 4 Mechanicalpropertiesandrequirements 4.1General Thesampleshallnotrupture,andalljoiningmaterialshallr

28、emainintactduringandaftereachofthe testsspecifiedin5.1to5.9. 4.2Nominallength Someflexibleductsarecompressibleandcanbedeliveredinacompressedformforeaseof transportation,theflexibleductthenbeingextendedforuse. Afterdecompressioninaccordancewith5.4,themeasuredlengthshallbenotmorethan3%shorter thanmanu

29、facturersquotednominallength. 4.3Sag Whererequired,thesagshallbemeasuredinaccordancewith5.5. 4.4Bendingcapability Thesampleshallbebentbyhandthreetimes,atitsnominaldiameteroratthebendingradiusquoted bythemanufacturer,whicheverissmaller,inaccordancewith5.6.Theinitialheightoftheductshall notreduceorexp

30、andbymorethan20%atthecenterlineofthetestformeratanytimeduringthe test. 4.5Pressure Flexibleductsshallbecapableofwithstanding2,5timesthemanufacturersquotedpositivepressure p r +andnegativeratedpressure p r whentestedinaccordancewith5.8. Theheightoftheductshallnotreduceorexpandbymorethan20%oftheinitia

31、lheightatanytime duringthetest.Afteramaximumof5minrecoverytime,thedeformationshallnotexceed5%ofthe initialheight. 4.6Crushingstrength 4.6.1 Compressedduct Flexibleductsdeliveredincompressedformshallremainundamaged.Theyshallresistloads perpendiculartotheiraxis.Thecrushingstrengthpropertytoassesstheme

32、chanicalresistanceshall bespecifiedaccordingtotheapplication.Theminimumcharacteristicscanbeimposedatthenational level. 4.6.2 Uncompressedduct Aflexibleductcanbesubjecttoaloadperpendiculartoitsaxis.Thecrushingstrengthpropertyto assessthemechanicalresistanceshallbespecifiedaccordingtotheapplication.Th

33、eminimum characteristicscanbeimposedatthenationallevel. 4.7Airleakage Thetestshallbeconductedinaccordancewith5.9.Themaximumairleakagefactor, f max forthe appropriateairtightnessclassisgiveninTable2.EN13180:2001(E) 9 Table2 Airtightnessclass Airtightnessclass f max l s 1 m 2 A 0,027x p s 0,65 B 0,009

34、x p s 0,65 C 0,003x p s 0,65 5Test methods 5.1Testelement Twosamplesofductarerequired.Testsshallbeperformedonthreeelements: Testelement1isacompressedlengthof100mmcutfromoneendofacompressedduct; Testelement2isaninitialsampleoftheduct; Testelement3isanuncompressedlengthofductofmaximumlength1,1mincludi

35、nganextra lengthof0,10mforcollarfixation,cutfromthemiddlesectionoftestelement2. Testelement1shallbesubjectedtotestsinaccordancewith5.3,element2inaccordancewith5.2 andelement3inaccordancewith5.4to5.9. 5.2Nominaldiameter Thetestelementshallbeenteredbytheminimumandnotbythemaximumdiameteroverthelength o

36、nthetestapparatusshowninFigure2.EN13180:2001(E) 10 Key d min =nominaldiameter+permittednegativedeviation d max =nominaldiameter+permittedpositivedeviation Figure2 Testapparatus 5.3Determinationofcrushingstrengthofacompressedduct Acompressedlengthof100mmiscutfromanewcompressedduct.Thistestspecimenisp

37、lacedina suitabletestingdevicetorestrainthetwoextremitiesandsubjectedtoaconstantlyincreasingtest loadperpendiculartotheaxialdirectionandevenlydistributedalongitsentirelength,untilthe deformationinthedirectionoftheloadisequalto10%oftheexternaldiameter(seeFigure5). Therateofincreaseofdeformationduring

38、thetestshallnotexceed50mm/min. Thecrushingstrengthshallbedeterminedfromthemaximumtestload F 1 thathasbeenreached. 5.4Nominallength Thetwoextremitiesofthetestelementshallbeextendedtoreceiveanendcapforwhichthefixing elementsshallnotexceed50mmateachextremity. Thecompressedreferencetestelementshallbepla

39、cedhorizontallyandfixedatoneend.Theother endshallbesubjecttoaloadspecifiedbythemanufacturerbutnotexceedingtheyieldloadspecified inTable3.Theuncompressedlengthshallbethelengthmeasuredafter5minwiththeloadstill applied. r=0,1 d 45 d min d max d dEN13180:2001(E) 11 Table3 Yieldload Nominaldiameter d Max

40、imumappliedload mm N 65 120 65 d82 150 82 d102 160 102 d127 180 127 d160 200 160 d254 230 254 d315 260 315 300 5.5Sag Thereferencetestelementshallbeplacedinastraightlineonasmooth,horizontaltablesurfacein suchawaythatoneendoftheductextends500mmbeyondtheedgeofthetable.Thepartofthe ductlyingonthetables

41、hallberestrainedonthetopalongitswholelength.Thesagisobtainedby measuringtheanglebetweentheprojectedlineofthesupportandthelinedefinedbythefreeendof theduct. Fourmeasurementsshallbeperformedwiththetestelementbyrotatingtheelement90aftereach measurementandasubsequentwaitingperiodoffiveminutes.Thesagisth

42、eaveragevalueofthe fourmeasurements. 5.6Bendingcapability ThereferencetestelementisplacedintheapparatusshowninFigure3. Thetestelementshallbesecuredbetweentheformerssothatatleast200mmoftheelement projectsbelowthebaseoftheformers,andthelengthaboveissufficienttobendovertheformers. Thefreeupperlengthoft

43、heelementshallbebentatarotationalspeedof12rpmthroughanangleof 180overoneformerthentheother,whichmeanswithin5stotherightandwithin5stotheleft.This cycleshallberepeatedthreetimes.EN13180:2001(E) 12 Key r=Radiusequaltothenominaldiameterorthebendingradiusquotedbythemanufacturers D=Openingequaltoexternaldiameterofduct 1 Directionofbend 2 Testformerfixedtobase 3 Securebase 4 Centerlineoftheformer 5Secured part Figure3 Bendingcapabilitytestapparatus 5.7Determinationofcrushi