JB/T 974-1977 焊接式隔壁直通管接头
时间:2024-05-15 12:33:08 来源: 标准资料网 作者:标准资料网 阅读:9895
基本信息
标准名称: | 焊接式隔壁直通管接头 |
中标分类: |
机械 >>
通用零部件 >>
管路附件 |
替代情况: | JB 974-1967;被JB/T 966-2005代替 |
发布日期: | 1977-01-17 |
实施日期: | 1977-05-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 2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: 机械 通用零部件 管路附件
【英文标准名称】:StandardSpecificationforBlackandHot-DippedZinc-Coated(Galvanized)WeldedandSeamlessSteelPipeforFireProtectionUse
【原文标准名称】:消防用黑色和热浸镀锌焊接钢管及无缝钢管用标准规范
【标准号】:ASTMA795/A795M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:A01.09
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:blacksteelpipe;seamlesssteelpipe;steelpipe;weldedsteelpipe;zinccoatedsteelpipe;Blacksteelpipe--specifications;Firefightingsystems--speicfications;Standpipes;Weldedsteelpipe--specifications;Zinc-coatedsteelpipe--specifications
【摘要】:1.1Thisspecificationcoversblackandhot-dippedgalvanizedweldedandseamlesssteelpipeinNPS1/2toNPS10,inclusive[DN15toDN250,inclusive](Note1),withwallthicknessesasgiveninTable1andTable2.PipehavingotherwallthicknessesmaybefurnishedprovidedsuchpipecomplieswithallotherrequirementsofthisspecificationandtheoutsidediameterisasgiveninTable2.Pipeorderedunderthisspecificationisintendedforuseinfireprotectionsystems.Thepipemaybebent,butitisnotintendedforbendingmadeatambienttemperaturewhereintheinsidediameterofthebendislessthantwelvetimestheoutsidediameterofthepipebeingbent(Note2).Note18212;ThedimensionlessdesignatorsNPS(nominalpipesize)andDN(nominaldiameter)havebeensubstitutedinthisstandardforsuchtraditionaltermsasx201C;nominaldiameter,x201D;x201C;size,x201D;andx201C;nominalsize.x201D;Note28212;Successfulbendingofpipeisafunctionofequipmentandtechniqueaswellaspipeproperties.1.2Thispipeissuitableforjoiningbythefollowingmethods:1.2.1Light-WeightFireProtectionPipe8212;Rolledgroove,welding,andfittingsforplainendpipe.SeeTable1fordimensions.1.2.2Standard-WeightFireProtectionPipe8212;Cutorrolledgroove,threading,welding,andfittingsforplainendpipe.SeeTable2fordimensions.1.2.3ForpipehavingdimensionsotherthanthoseofTable1andTable2,thejoiningmethodmustbecompatiblewiththepipedimensions.AcompletelistingofstandardlightweightdimensionsappearsinASMEB36.10andB36.19.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Sections8,9,and10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:DemulsibilityCharacteristicsofLubricatingOils,MethodofTestfor(05.02)
【原文标准名称】:测定润滑油的乳化分解性的试验方法(05.02)
【标准号】:ANSI/ASTMD2711-1986
【标准状态】:作废
【国别】:美国
【发布日期】:1986
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:润滑剂;试验;特性;石油产品
【英文主题词】:lubricants;properties;testing;petroleumproducts
【摘要】:
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语