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【英文标准名称】:StandardPracticeforEstimationofHeatSavingsbyAddingThermalInsulationtoBareValvesandFlanges
【原文标准名称】:通过给凸面阀门及法兰增加热绝缘材料评估蓄热量的标准实施规程
【标准号】:ASTMC1129-1989(2001)
【标准状态】:现行
【国别】:
【发布日期】:1989
【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】:C16.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:隔热;阀门;评定;法兰
【英文主题词】:calculatedenergysavings;heatlossfrompipes;pipesystems
【摘要】:1.1Themathematicalmethodsincludedinthispracticeprovideacalculationalprocedureforestimatingheatlossorheatsavingswhenthermalinsulationisaddedtobarevalvesandflanges.1.2Questionsofapplicabilitytorealsystemsshouldberesolvedbyqualifiedpersonnelfamiliarwithinsulationsystemsdesignandanalysis.1.3Estimatedaccuracyislimitedbythefollowing:1.3.1Therangeandqualityofthephysicalpropertydatafortheinsulationmaterialsandsystem,1.3.2Theaccuracyofthemethodologyusedincalculationofthebarevalveandinsulationsurfaceareas,and1.3.3Thequalityofworkmanship,fabrication,andinstallation.1.4Thisprocedureisconsideredapplicablebothforconventional-typeinsulationsystemsandforremovable/reusablecovers.Inbothcases,forpurposesofheattransfercalculations,theinsulationsystemisassumedtobehomogenous.1.5Thispracticedoesnotintendtoestablishthecriteriarequiredinthedesignoftheequipmentoverwhichthermalinsulationisused,nordoesthispracticeestablishorrecommendtheapplicabilityofthermalinsulationoverallsurfaces.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsinparenthesesareprovidedforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:23_040_60
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Slideprojektorsandslides-Framedimensionsforprojectionandguidingmechanismfortransparenciesand35mmfilmstrips
【原文标准名称】:幻灯放映机和幻灯片.放映的画面尺寸和透明胶片和35mm摄影胶片的导片装置
【标准号】:DIN108-3-1986
【标准状态】:作废
【国别】:德国
【发布日期】:1986-07
【实施或试行日期】:
【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】:作标记;幻灯机;正片(摄影);放映机;规范(审批);画幅大小;画幅速度;投影法(制图);夹持装置;透明软片;名称与符号;设计;幻灯放映机;尺寸;材料
【英文主题词】:
【摘要】:
【中国标准分类号】:N45
【国际标准分类号】:37_040_10
【页数】:4P;A4
【正文语种】:德语