NF E25-650-2-1999 自攻螺纹
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来源:标准资料网
【英文标准名称】:Tappingscrewthread.
【原文标准名称】:自攻螺纹
【标准号】:NFE25-650-2-1999
【标准状态】:现行
【国别】:法国
【发布日期】:1999-12-01
【实施或试行日期】:1999-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:螺纹;外螺纹紧固件;特性;自攻丝螺钉;规范(验收);紧固件;尖端(紧固件);名称与符号;螺钉;尺寸
【英文主题词】:Designations;Dimensions;External-threadfasteners;Fasteners;Points(fasteners);Properties;Screws(bolts);Self-tappingscrews;Specification(approval);Threads
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_040_30
【页数】:7P;A4
【正文语种】:其他
基本信息
标准名称: | 脱缆器 |
英文名称: | Runing roppe quipment |
中标分类: |
船舶 >>
舾装设备 >>
系泊设备 |
替代情况: | CB* 3034-1978 |
发布日期: | 1995-12-13 |
实施日期: | 1996-06-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 船舶 舾装设备 系泊设备
【英文标准名称】:StandardPracticeforDeterminingSteadyStateThermalTransmittanceofFenestrationSystems
【原文标准名称】:测定门窗设计系统稳态热转换用标准实施规程
【标准号】:ASTME1423-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E06.51
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:隔热;窗
【英文主题词】:doors;fenestration;heat;heattransfer;hotbox;sky-light;steadystate;surroundpanel;thermalperofrmance;transmittance;U-factor;windows
【摘要】:Thispracticedetailsthetestspecimensizesandtestconditions,namely,theroom-sideandweather-sideairtemperatures,andthesurfaceheattransfercoefficientsforbothsidesofthetestspecimen,whentestingfenestrationproductsinaccordancewithTestMethodC1199.Thethermaltransmittanceandconductanceofaspecimenareaffectedbyitssizeandthree-dimensionalgeometry.Testsshouldthereforebeconductedusingthespecimensizesrecommendedin5.1.Shouldthespecimensizedifferfromthosegivenin5.1,theactualsizeshallbereportedinthetestreport.Manyfactorscanaffectthethermalperformanceofafenestrationsystem,includingdeflectionsofsealedglazingunits.CareshouldbeexercisedtomaintaintheoriginalphysicalconditionofthefenestrationsystemandwhileinstallingitinthesurroundpanelThethermaltransmittanceandconductanceresultsobtaineddonot,andarenotintended,toreflectperformancesexpectedfromfieldinstallationssincetheydonotaccountforsolarradiationandairleakageeffects.Thethermaltransmittanceandconductanceresultsaretakenfromspecifiedlaboratoryconditionsandaretobeusedonlyforfenestrationproductcomparisonsandasinputtothermalperformanceanalysesthatalsoincludesolarandairleakageeffects.1.1ThispracticecoversstandardtestspecimensizesandtestconditionsaswellasthecalculationandpresentationofthethermaltransmittanceandconductancedatameasuredinaccordancewithTestMethodC1199.Thestandardsizesandconditionsaretobeusedforfenestrationproductcomparisonpurposes.Thespecifiermaychooseothersizesandconditionsforproductdevelopmentorresearchpurposes.1.2Thispracticedealswiththedeterminationofthethermalpropertiesofafenestrationsysteminstalledverticallywithouttheinfluencesofsolarheatgainandairleakageeffects.Note18212;Todetermineairleakageeffectsoffenestrationsystems,TestMethodE283orE1424shouldbereferenced.Note28212;SeeAppendixX1regardinggaragedoorsandrollingdoors.1.3Thispracticespecifiestheprocedurefordeterminingthestandardizedthermaltransmittanceofafenestrationtestspecimenusingspecifiedvaluesoftheroom-sideandweather-sidesurfaceheattransfercoefficients,hhandhc,respectively.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P32
【国际标准分类号】:91_060_50;91_120_10
【页数】:12P.;A4
【正文语种】: