BS EN ISO 14673-2-2001 乳和乳制品.硝酸盐和亚硝酸盐含量的测定.分段流动分析法(常规法)

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【英文标准名称】:SpecificationforSocket-TypeChlorinatedPoly(VinylChloride)(CPVC)PlasticPipeFittings,Schedule40
【原文标准名称】:套管型氯化聚氯乙烯(CPVC)塑料管配件规范.表40
【标准号】:ANSI/ASTMF438-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:管道配件;聚氯乙烯
【英文主题词】:Construction;Fittings;Pipefittings;Plastics;Plasticsproducts;Polyvinylchloride
【摘要】:Thisspecificationcoverschlorinatedpoly(vinylchloride)(CPVC)Schedule40socket-typepipefittings.Includedarerequirementsformaterials,workmanship,dimensions,andburstpressure.Note1-TheCPVCfittingscoveredbythisstandardwerecoveredpreviouslyinSpecificationD2466.Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsystemswithcompressedairorothercompressedgasessomemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.Note2-Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafteyhazardsshouldasystemfailforanyreason.Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesaregivenforinformationonly.Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section8,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_45
【页数】:
【正文语种】:英语


【英文标准名称】:Specificationforalternatingcurrentstaticwatt-hourmetersforactiveenergy(classes0,2Sand0,5S)
【原文标准名称】:有源能量用交流静电瓦时表(0.25和0.55级)规范
【标准号】:BSEN60687-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-03-15
【实施或试行日期】:1993-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardappliesonlytonewlymanufacturedstaticwatt-hourmetersofaccuracyclasses0,2Sand0,5S,forthemeasurementofalternating-currentelectricalactiveenergyofafrequencyintherange45Hzto65Hzandtotheirtypetestsonly.Itappliesonlytotransformer-operatedstaticmetersforindoorapplicationconsistingofoneormoremeasuringelementsandregistersenclosedtogetherinthesamecase.NOTE-IEC185describestransformershavingameasuringrangeof0,05/nto1,2/n,orof0,05/nto1,5/n,orof0,05/nto2lnandtransformershavingameasuringrangeof0,01/nto1,2/nforaccuracyclasses0,2Sand0,5S.Asthemeasuringrangesofameteranditsassociatedtransformershavetobematchedandasonlytransformersofclasses0,2Sand0,5Shavetheaccuracyrequiredtooperatethemetersofthisstandard,themeasuringrangeofthemeterwillbe0,01/nto1,2/n.Italsoappliestooperationindicators,testoutputsandmeterswhichmeasureenergyinbothdirections.Thisstandarddoesnotapplyto:a)watt-hourmeterswherethevoltageacrosstheconnectionterminalsexceeds600V(line-to-linevoltageformetersforpolyphasesystems);b)portablemetersandmetersforoutdooruse;c)datainterfacestotheregisterofthemeter;d)referencemeters.Wherethedisplayand/orthememory(ies)is/areexternalorwhereotherelementsareenclosedinthemetercase(suchasmaximumdemandindicators,telemetering,timeswitchesorremotecontrol,etc.)thisstandardappliesonlytothemeteringsection.Thisstandarddoesnotcovertheacceptancetestsandtheconformitytests(bothtestingproceduresareconnectedwithlegalrequirementsofthedifferentcountriesandcouldonlybetakencareofpartially).Forrack-mountedmeters,themechanicalpropertiesarenotcoveredinthisstandard.
【中国标准分类号】:N22
【国际标准分类号】:91_140_50
【页数】:50P;A4
【正文语种】:英语