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
