BS EN 13470-2001 Thermal insulating products for building equipment and industrial installations - Determination of the apparent density of preformed pipe insulation《建筑设备和工业设施用隔热制品.pdf

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1、BRITISH STANDARD BS EN 13470:2001 Thermal insulating products for building equipment and industrial installations Determination of the apparent density of preformed pipe insulation The European Standard EN 13470:2001 has the status of a British Standard ICS 91.100.60 NO COPYING WITHOUT BSI PERMISSIO

2、N EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 13470:2001 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 09 November 2001 BSI 09 November 2001 IS

3、BN 0 580 38638 4 National foreword This British Standard is the official English language version of EN 13470:2001. This British Standard, together with BS EN 13467:2001, BS EN 13468:2001, BS EN 13469:2001, BS EN 13471:2001 and BS EN 13472:2001 partially supersedes BS 2972:1989. The UK participation

4、 in its preparation was entrusted by Technical Committee RHE/9, Thermal insulating materials, to Subcommittee RHE/9/4, Nomenclature and specifications, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-referen

5、ces 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 Standards Electronic Catalog

6、ue. 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 enquirers to understand the text;

7、 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 front cover, an inside fr

8、ont cover, the EN title page, pages 2 to 7 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 EN13470 September2001 ICS91.100.60 Engl

9、ishversion Thermalinsulatingproductsforbuildingequipmentandindustrial installationsDeterminationoftheapparentdensityof preformedpipeinsulation Produitsisolantsthermiquespourlquipementdubtiment etlesinstallationsindustriellesDterminationdelamasse volumiqueapparentedescoquillesisolantesprformes Wrmedm

10、mstoffefrdieHaustechnikundfr betriebstechnischeAnlagenBestimmungderRohdichte vonvorgeformtenRohrdmmstoffen ThisEuropeanStandardwasapprovedbyCENon18August2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanational

11、standardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertherespon

12、sibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,Switz

13、erlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13470:2001EEN13470:2001(E) 2 Conte

14、nts page Foreword . 3 1Scope . 4 2Normativereferences . 4 3Termsanddefinitions . . 4 4Principle. 4 5Apparatus . . 4 6Testspecimens . 4 7Procedure . . 5 8Calculationandexpressionofresults. . 6 9Accuracyofmeasurement. 7 10Testreport . 7EN13470:2001(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTe

15、chnicalCommitteeCEN/TC88“Thermalinsulating materialsandproducts“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofan identicaltextorbyendorsement,atthelatestbyMarch2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyMar

16、ch2002. ThisEuropeanStandardisoneofaseriesofstandardswhichspecifytestmethodsfordetermining dimensionsandpropertiesofthermalinsulatingmaterialsandproducts.Itsupportsaseriesofproduct standardsforthermalinsulatingmaterialsandproductswhichderivefromtheCouncilDirectiveof21 December1988ontheapproximationo

17、flaws,regulationsandadministrativeprovisionsoftheMember Statesrelatingtoconstructionproducts(Directive89/106/EEC)throughtheconsiderationoftheessential requirements. ThisEuropeanStandardhasbeenpreparedforproductsusedtoinsulatebuildingequipmentand industrialinstallations,butitmayalsobeappliedtoproduct

18、susedinotherareas. NoexistingEuropeanStandardissuperseded. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic, Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembou

19、rg,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom .EN13470:2001(E) 4 1Scope ThisEuropeanStandardspecifiestheequipmentandproceduresfordeterminingtheapparentoverall densityandtheapparentcoredensityunderreferenceconditions.Itisapplicabletofullsizethermal insulatingproductsandt

20、estspecimensofpreformedpipeinsulation. 2Normativereferences ThisEuropeanStandardincorporates,bydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrev

21、isionsofanyofthesepublications applytothisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundated referencesthelatesteditionofthepublicationreferredtoapplies(includingamendments). EN13467, ThermalinsulatingproductsforbuildingequipmentandindustrialinstallationsDetermination ofdimensi

22、ons,squarenessandlinearityofpreformedpipeinsulation. 3Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 apparentoveralldensity, a themassperunitvolumeofaproduct,includingallsurfaceskinsformedduringproduction,butexcluding anyfacingsand/orcoatings 3.2 a

23、pparentcoredensity, c themassperunitvolumeofthecoreofaproductafterallsurfaceskinsformedduringproductionandall facingsand/orcoatingshavebeenremoved 4Principle Thedensityisdeterminedasthequotientofthemassandthevolumeofthetestspecimen. 5Apparatus 5.1Balance capableofdeterminingthemassofatestspecimentoa

24、naccuracyof0,5%. 5.2Equipment forthedeterminationofthedimensionsofpreformedpipeinsulation(see7.2). 6Testspecimens 6.1Dimensionsoftestspecimens Thetestspecimensshallbefullsizeproductsorpartsofthem,ortestspecimensusedforothertests. Whentheapparentoveralldensityisbeingdeterminedusingtestspecimenscutfro

25、maproductwith surfaceskinsformedduringproduction,theratiooftheareaofthesurfaceskintothetotalvolumeshall bethesameforthetestspecimenasfortheproduct. NOTEThesizeofatestspecimenshouldpreferablybeaslargeaspossible,commensuratewiththeapparatusEN13470:2001(E) 5 availableandwiththeshapeoftheoriginalproduct

26、.Thesizeofthetestspecimensmayalsobe specifiedinothertestmethods. 6.2Numberoftestspecimens Thenumberoftestspecimensforfullsizeproductsshallbeasspecifiedintherelevantproductstandard. Iftestspecimensfromothertestsareused,thenumbershallbeasspecifiedinthetestmethod.Ifthe numberisnotspecified,thenatleastt

27、hreetestspecimensshallbeused. NOTEIntheabsenceofaproductstandardoranyotherEuropeantechnicalspecificationthenumberoftestspeci mensmaybeagreedbetweenparties. 6.3Preparationoftestspecimens Thetestspecimensshallbecutbymethodsthatdonotchangetheoriginalstructureoftheproduct. Thelocationfromwhichthetestspe

28、cimensaretakenshallbesuchthatthedensityobtainedis representativeofthedensityoftheproduct. Fordeterminingtheapparentoveralldensity,anyfacingsand/orcoatingsshallberemovedfromthe product.Fordeterminingtheapparentcoredensity,anysurfaceskinsformedduringproductionandany facingsand/orcoatingsshallberemoved

29、fromtheproduct. Whenitisnotpossibletoremovethefacingsand/orcoatingswithoutinfluencingtheapparentdensityof theproduct,themassofthefacingsand/orcoatingsshallbedeductedbycalculation. NOTESpecialmethodsofpreparation,whenneeded,aregivenintherelevantproductstandard. 6.4Conditioningoftestspecimens Thetests

30、pecimensshallbeconditionedat(232) Cand(505)%relativehumidityuntilconstant massisachieved. Thetimeforconditioningandtherequiredaccuracyoftheconstantmassmeasurementsshallbegivenin therelevantproductstandard. NOTE1Ifitcanbeshownthattemperatureandhumidityhasnegligibleinfluenceonthedeterminationofthe den

31、sity,thentheconditioningcanbecarriedoutat(235) C. NOTE2Theconditioningtimecanbeshortenedbypredryingthetestspecimeninaventilateddryingchamberata prescribedtemperature.Appropriateproceduresmaybegivenintherelevantproductstandard. 7Procedure 7.1Testconditions Thetestshallbecarriedoutat(232) Cand(505)%re

32、lativehumidity. NOTEIfitcanbeshownthattemperatureandhumidityhasnegligibleinfluenceonthedeterminationofthedensity, thetestingcanbecarriedoutat(235) C. 7.2Testprocedure MeasurethelineardimensionsoffullsizeproductsandtestspecimensinaccordancewithEN13 467. Calculatethevolumesofthetestspecimensfromthesem

33、easurements. Weigheachtestspecimentoanaccuracyof0,5%andrecorditsmassinkilogrammes. Ifthefacingsand/orcoatingsareretained,themassoftheproductshallbecalculatedbydeductingthe massofthefacingsand/orcoatingsandadhesives,ifany,fromtheoverallmass.EN13470:2001(E) 6 Ifahigheraccuracyfordimensionsoffullsizepr

34、oductsisneeded,itshallbespecifiedintherelevant productstandard. 8Calculationandexpressionofresults Calculatetheapparentoveralldensity, a ,orapparentcoredensity, c ,inkilogrammespercubicmetre usingtheequation: (1) where: misthemassofthetestspecimen,inkilogrammes; Visthevolumeofthetestspecimen,incubic

35、metres. Thecalculationof Vforafullsizepipeinsulationismadeasfollows: (2) where: listhelengthofthetestspecimen,inmetres; D o istheoutsidediameter,inmetres; D i istheinsidediameter,inmetres. ( a or c )forthetestspecimenisgiventothreesignificantfigures. Calculatethearithmeticmeanvalueofthedensityfromth

36、eresultsforalltestspecimensandexpressthe valuetothreesignificantfigures. NOTEForsomeproductsthedeterminationofthevolumeusedforthecalculationofthedensityoftestspecimens, withanirregularorcomplicatedshape,canbemademeasuringthequantityofdisplacedwaterduringthecomplete immersioninwaterat(232) C.Inthisca

37、sethemassshouldbedeterminedbeforethevolumedetermination. V m = ) D D ( l = V 2 i 2 o 4 EN13470:2001(E) 7 9Accuracyofmeasurement NOTEIthasnotbeenpossibletoincludeastatementontheaccuracyofthemethodinthiseditionofthestandard, butitisintendedtoincludesuchastatementwhenthestandardisnextrevised. 10Testrep

38、ort Thetestreportshallincludethefollowinginformation: a)referencetothisEuropeanStandard; b)productidentification 1) productname,factory,manufacturer,orsupplier; 2)productioncodenumber; 3) typeofproduct; 4)packaging; 5) theforminwhichtheproductarrivedatthelaboratory; 6) otherinformationasappropriate,

39、e.g.nominaldimensions; c)testprocedure 1) pretesthistoryandsampling,e.g.whosampledandwhere; 2)conditioning; 3) dryingconditions; 4) presenceoffacings,themassofthefacingandthemethodofremoval,ifnecessary; 5) presenceofsurfaceskinsandthemethodofremoval,ifnecessary; 6) presenceofdensification,stratifica

40、tionordefectsofthetestspecimens; 7) ifanydeviationfromclauses6and7; 8) dateoftesting; 9) generalinformationrelatingtothetest; 10)eventswhichmayhaveaffectedtheresults; NOTEInformationabouttheapparatusandidentityofthetechnicianshouldbeavailableinthelaboratorybutit neednotberecordedinthereport. d)resul

41、ts allindividualvaluesandthemeanvalue.BS EN 13470:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is inc

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