ISO 3604-1976 弹性密封圈式硬聚氯乙烯(PVC)压力管件外水压条件下的密封压力试验
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【英文标准名称】:Fittingsforunplasticizedpolyvinylchloride(PVC)pressurepipeswithelasticsealingringtypejoints;Pressuretestforleakproofnessunderconditionsofexternalhydraulicpressure
【原文标准名称】:弹性密封圈式硬聚氯乙烯(PVC)压力管件外水压条件下的密封压力试验
【标准号】:ISO3604-1976
【标准状态】:作废
【国别】:国际
【发布日期】:1976-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:配件;漏泄试验;管道配件;塑料;塑料管;压力试验;管道工程系统;未增塑聚氯乙烯;试验;试验;压力过载;密封环;管;压力管;聚氯乙烯
【英文主题词】:Fittings;Leaktests;Pipefittings;Pipes;Pipeworksystems;Plasticpipes;Plastics;Polyvinylchloride;Pressureoverload;Pressurepipes;Pressuretests;Sealingrings;Testing;Tests;Unplasticizedpolyvinylchloride
【摘要】:Specificationoftestmethodandapparatusforcheckingtheleakproofnessofanassembledjoint,whensubmittedtoexternalhydraulicpressuregreaterthantheatmosphericpressurewithinthepipe.Thetestshallbecarriedoutattwolevelsofpressuredifference(0,01MPaand0,08MPa).Noleakageshalloccur.
【中国标准分类号】:G31
【国际标准分类号】:23_040_20;23_040_45
【页数】:2P;A4
【正文语种】:英语
【英文标准名称】:Firetestsonbuildingmaterialsandstructures-Methodfordeterminationofthefireresistanceofventilationducts
【原文标准名称】:建筑材料和结构的燃烧试验.第24部分:通风管道耐火性的测定方法
【标准号】:BS476-24-1987
【标准状态】:现行
【国别】:英国
【发布日期】:1987-05-29
【实施或试行日期】:1987-05-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验条件;通风设备;性能;建筑系统构件;试验设备;燃烧试验;耐火性;试样;试验压力;通风道工程;试样制备;尺寸;防止火灾扩散;挡火墙;管廊;试验持续时间
【英文主题词】:Buildings;Constructionsystemsparts;Determination;Fireresistance;Firetests;Surfacespreadofflame;Testequipment;Testing;Tests;Ventilatingstacks;Ventilation;Ventilationductwork
【摘要】:1ThisInternationalStandardspecifiesamethodoftestandcriteriaforthedeterminationofthefireresistanceofver-ticalandhorizontalventilationductsunderstandardizedfireconditions.2Thegeneralpurposeofthistestistomeasuretheabilityofarepresentativeductorductassemblytoresistthespreadoffirefromonefirecompartmenttoanotherwithouttheaidoffiredampers.3Itisapplicabletoverticalandhorizontalducts,withorwithoutbranches,takingintoaccountjoints,airsupplyandex-haustopenings,aswellassuspensiondevices,etc.4ThisInternationalStandardisnotapplicableto:a)ductsabovefire-resistingsuspendedceilings(horizon-talmembranes)inthosecaseswheretheductsrelyfortheirfireresistanceontheperformanceoftheceiling;NOTE—Othertestsarenecessaryfortheseducts.b)ductscontainingfiredampersatpointswheretheypassthroughfireseparations.NOTE—Inordertoassessthefireresistanceoffiredampers,othertestsarerequired.Amethodoftestforfiredampersisundercon-siderationasasubjectforafutureInternationalStandard.5ThisInternationalStandardisnotappropriateforthefollowingductsunlessthefurthercriteriadescribedinthean-nexareestablishedtothesatisfactionoftheappropriateauthority:a)ductsofmaterialswhichareextremelysensitivetother-malshock;NOTE—Thermalshockmayaffectsuchductsinawaythatwoulddifferfromtheeffectinthistest,butthetestmaystillbeusedwhereitcanbeestablishedthatsensitivitytothermalshockiswithinacceptablelimits.b)smokeoutletducts;NOTE—Theseductsneedtoretaintheirintegrityandcross-sectionalareaunderfireconditions.Consequentlycriteriaforac-ceptanceadditionaltothosegiveninthisInternationalStandardarerequired.ThisInternationalStandardisonlyapplicable,therefore,tosmokeoutletductsifthecriteriaforintegrityfailureofarepresentativesmokeoutletductwithinthefurnaceandthelossofretentionofcross-sectionalareaofsuchductsareagreedbetweenallpartiesconcernedandareinvestigatedandreported(seetheannex).c)ductslinedontheinsidewithcombustiblematerialorwhichinpracticemayaccumulatecombustibledepositsontheirinsideface(suchaskitchenextractducts).NOTE—Additionalcriteriaregardingtheinsulationperformanceoftheductarerequiredinthiscase(seetheannex).6ThisInternationalStandarddoesnottakeintoconsidera-tiontheeffectofimpactshockloadingonductsduetothecol-lapseofsupportingoradjacentstructuralmembersorothercomponents,orofimpact-orthermalshockloadingresultingfromtheapplicationofawater(hose)stream.NOTE—ThemethoddescribedinthisInternationalStandardshouldbeusedsolelytomeasureanddescribethepropertiesofductsandtheirsupportsinresponsetoheatandflameundercontrolledlaboratoryconditionsandshouldnotbyitselfbecon-sideredorusedforthedescription,appraisalorregulationofthefirehazardofsuchductsorsupportsunderactualfirecon-ditions.
【中国标准分类号】:Q10;P16
【国际标准分类号】:13_220_50;91_140_30
【页数】:24P;A4
【正文语种】:英语
【英文标准名称】:Analysisofsurfaceactiveagents(rawmaterials).Alkanesulphonates.Methodfordeterminationoftotalalkalinesulphonatescontent
【原文标准名称】:表面活性剂(原料)的分析.第2部分:烷烃磺酸盐.第1节:碱性磺酸盐总含量的测定方法
【标准号】:BS6829Sec.2.1-1988
【标准状态】:作废
【国别】:英国
【发布日期】:1988-12-30
【实施或试行日期】:
【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】:烷烃;磺酸盐化合物;沉淀法;重量分析;再现性;表面活性剂;化学分析和试验;干重测定;试验条件;含量测定
【英文主题词】:gravimetricanalysis;sulphonatecompounds;alkanes;precipitationmethods;determinationofcontent;dryweightdetermination;testingconditions;chemicalanalysisandtesting;reproducibility;surfactants
【摘要】:
【中国标准分类号】:G72
【国际标准分类号】:
【页数】:4P;A4
【正文语种】:英语
