ANSI/ASHRAE 34f-2003 制冷剂的名称与符号和安全分级

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【英文标准名称】:StandardSpecificationforUnfacedPreformedRigidCellularPolyisocyanurateThermalInsulation
【原文标准名称】:非表面加工用预制刚性蜂窝状聚氨基甲酸乙酯绝热材料的标准规范
【标准号】:ASTMC591-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C16.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:cellularplastic;polyisocyanurate;polyurethanemodifiedpolyisocyanurate;thermalinsulation;Rigidthermalinsulation--specifications;Thermalinsulatingmaterials--specifications;Unfacedthermalinsulation--specifications;Cellularthermalinsulat
【摘要】:1.1Thisspecificationcoversthetypes,physicalproperties,anddimensionsofunfaced,preformedrigidcellularpolyisocyanurateplasticmaterialintendedforuseasthermalinsulationonsurfacesfrom-297x00B0;F(-183x00B0;C)to300x00B0;F(149x00B0;C).Forspecificapplications,theactualtemperaturelimitsshallbeagreeduponbythemanufacturerandpurchaser.1.2Thisspecificationonlycoversx201C;polyurethanemodifiedpolyisocyanuratex201D;thermalinsulationwhichiscommonlyreferredtoasx201C;polyisocyanuratex201D;thermalinsulation.Thisstandarddoesnotencompassallpolyurethanemodifiedmaterials.Polyurethanemodifiedpolyisocyanurateandotherpolyurethanematerialsaresimilar,butthematerialswillperformdifferentlyundersomeserviceconditions.1.3Thisstandardisdesignedasamaterialspecification,notadesigndocument.Physicalpropertyrequirementsvarybyapplicationandtemperature.Attemperaturesbelow-70x00B0;F(-51x00B0;C)thephysicalpropertiesofthepolyisocyanurateinsulationattheservicetemperatureareofparticularimportance.Below-70x00B0;F(-51x00B0;C)themanufacturerandthepurchasermustagreeonwhatadditionalcoldtemperatureperformancepropertiesarerequiredtodetermineifthematerialcanfunctionadequatelyfortheparticularapplication.1.4ThetableintheAnnexA1addressesrequirementsofunfacedpreformedrigidcellularpolyisocyanuratethermalinsulationmanufacturedwithHCFCblowingagent.1.5Whenadoptedbyanauthorityhavingjurisdiction,codesthataddressfirepropertiesinmanyapplicationsregulatetheuseofthethermalinsulationmaterialscoveredbythisspecification.Firepropertiesarecontrolledbyjob,project,orotherspecificationswherecodesorgovernmentregulationsdonotapply.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Erectionoflow-voltageinstallations-Part7:Requirementsforspecialinstallationsorlocations;Section704:Constructionanddemolitionsiteinstallations(IEC60364-7-704:1989,modified);GermanversionHD384.7.704S1:2000
【原文标准名称】:低压设备的安装.第7部分:特殊安装或定位要求.第704节:建筑和拆除场地安装
【标准号】:DINVDE0100-704-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-05
【实施或试行日期】:2001-05-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电子工程;作标记;临时电力设备;安全措施;电耗;低压电器;保护措施;额定电压;定义;安全工程;电力系统;装配;防电击;保护设备;职业安全;建筑工地;电气设备;低电压;电气安全;建筑物;电力设备;安全要求;安装;设备安全;电力装置;规范(验收);电气工程;电驱动装置;安全
【英文主题词】:
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:91_140_50;91_200
【页数】:13P;A4
【正文语种】:德语