【英文标准名称】:IEC/PAS62647-21,Ed.1:Aerospaceanddefenceelectronicsystemscontainingleadfree-solder-Part21:ProgramManagement-Systemsengineeringguidelinesformanagingthetransitiontolead-freeelectronics
【原文标准名称】:IEC/PAS62647-21,Ed.1:航空和国防电子系统采用的无铅焊料.第21部分:程序管理.管理转变为无铅电子设备用系统工程指南
【标准号】:IEC107/130/PAS-2010
【标准状态】:作废
【国别】:国际
【发布日期】:2010-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC107
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;消费者与供货者的关系;定义;电子的;电子工程;电子产品;工程设计;手册;无铅;维修;管理;管理系统;程序管理;可靠性;焊锡;系统工程
【英文主题词】:Aerospacetransport;Airtransport;Consumer-supplierrelations;Definitions;Electronic;Electronicengineering;Electronicproducts;Engineeringdesign;Handbooks;Leadfree;Maintenance;Management;Managementsystems;Programsystem;Reliability;Solders;Systemengineering
【摘要】:
【中国标准分类号】:V16
【国际标准分类号】:25_160_50;31_020;49_035
【页数】:
【正文语种】:英语


【英文标准名称】:StandardSpecificationforSpecialEngineeredFittings,AppurtenancesorValvesforuseinPoly(VinylChloride)(PVC)orChlorinatedPoly(VinylChloride)(CPVC)Systems
【原文标准名称】:聚氯乙烯(PVC)或氯化聚氯乙烯(CPVC)系统中使用的专用工程配件、附件或阀门的标准规范
【标准号】:ASTMF1970-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:F17.10
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:公用事业设备;活接头;阀门;止回阀;CPVC;饮用水设备;弹性体;聚氯乙烯;法兰;配件;材料试验
【英文主题词】:appurtenances;checkvalves;CPVC;elastomericjoints;elastomers;fittings;flanges;PVC;SE;special-engineered;unions;valves
【摘要】:1.1Thisspecificationcoversfittings,appurtenancesandvalveswhicharetobeusedwithpipeandtubingcomplyingwithSpecificationsD1785,D2241,D2846,F441orF442,orotherpipingasspecifiedbythefittingsmanufacturer.Theseproducts,suchasunions,flangesorvalves,arenotincludedinthescopeofexistingASTMspecifications.Thisspecificationincludesminimumrequirementsfortesting,materials,dimensions,workmanship,marking,andin-plantqualitycontrol.1.2Fittingsorappurtenancescoveredbythisspecificationaregenerallyeithermolded,fabricated,orassembledfrommoldedormachinedcomponents.Thematerialsusedincomponentsincluderigidthermoplastics,thermoplasticelastomers,elastomerics,andmetals.Thebodyormainportionofthefitting,appurtenanceorvalveistypicallyPVC,CPVC,PEorPA(nylon).AllproductscoveredbythisstandardareintendedtobeusedinPVCorCPVCplasticpipingsystems,orasatransitionfromthesetometalsystems.1.3Theapplicationoftheseproductstogasserviceisbeyondthescopeofthisspecification.1.4Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsystemswithcompressedairorothercompressedgasessomemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.Note18212;Warning:Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafetywhichpresentserioussafetyhazardsshouldasystemfailforanyreason.1.5Fittingswhichrelyonheatfusionweldingforconnectiontothepipingsystemareoutsidethescopeofthisspecification.1.6Checkvalves(includingfootvalves)coveredbythisspecificationshallnotbeconsideredbackflowpreventiondevicesandshallnotbeusedfortheprotectionofapotablewatersupply.Fordefinitionsandrequirementsofbackflowpreventiondevices,consultmodelplumbingcodesandASSE.1.7Duetothecomplexandinstallation-specificconcernssurroundingchemicalresistanceandcorrosion,thisspecificationdoesnotaddressthecompatibilityoftheproductswithallpossibleend-useenvironments.Additionaltestingspecifictotheend-useenvironmentisrecommendedifthesystemisconveyingliquidsotherthanpotablewater.1.8Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesaregivenforinformationonly.1.9Thefollowingsafetycaveatappliesonlytothetestmethodsandin-plantqualitycontrolportions,sectionofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:83_140_30
【页数】:6P.;A4
【正文语种】: