HG 21603-1999 回转盖快开不锈钢手孔
作者:标准资料网 时间:2024-05-12 07:06:04 浏览:8178
来源:标准资料网
基本信息
| 标准名称： | 回转盖快开不锈钢手孔 |
| 中标分类： |
化工 >>
化工机械与设备 >>
化工机械与设备零部件 |
| ICS分类： |
化工技术 >>
化工设备
|
| 替代情况： | HGJ 512-1986 |
| 发布日期： | 1999-12-10 |
| 实施日期： | 2001-08-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 5页 |
适用范围
本标准规定了回转盖快开不锈钢手孔的型式、基本参数、尺寸、技术要求和有关使用规定。本标准适用于无冲击工作压力小于等于PN0.6MPa，工作温度为大于-20～200℃，升温降压可以适用于工作温度300℃的回转盖快开不锈钢手孔。
前言
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目录
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引用标准
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所属分类： 化工 化工机械与设备 化工机械与设备零部件 化工技术 化工设备
【英文标准名称】:StandardPracticeforStitchesandSeams
【原文标准名称】:针角和缝合的标准实施规程
【标准号】:ASTMD6193-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D13.54
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:seams;stitches;textiles
【摘要】:Seamengineering,thedeterminationofthebeststitchtype,seamconfiguration,andthreadtypewhichshouldbeusedforaparticularassembly,requiresathoroughknowledgeofmanyvariables.Theimproperselectionofanyonecomponentcanresultinfailureofthesewnjunction,andultimatelyfailureoftheproductmanufactured.GeneralCharacteristics8212;Thecharacteristicsofaproperlyconstructedsewnseamarestrength,elasticity,durability,security,andappearance.Thesecharacteristicsmustbebalancedwiththepropertiesofthematerialtobejoinedtoformtheoptimumsewnseam.Theenduseoftheitemwillgoverntherelativeimportanceofthesecharacteristics.Theselectionoftheseamtypeandstitchtypeshouldbebasedupontheseconsiderations.Strength8212;Theseamefficiencyofthesewnseamshouldbeashighaspossible.Thiswillproducesewnseamstrengthwithabalancedconstructionthatwillwithstandtheforcesencounteredintheuseofthesewnitem.Theelementsaffectingthestrengthofasewnseamare:Fabrictypeandstrength,Seamtype,Stitchtype,Stitchdensity(spi),Threadtension,andThreadstrength.Elasticity8212;Theelasticityofasewnseamshouldbeslightlygreaterthanthatofthematerialwhichitjoins.Thiswillenablethematerialtosupportitsshareoftheforcesencounteredfortheintendedenduseofthesewnitem.Theelasticityofasewnseamdependsupon:Fabrictypeandstrength,Seamtype,Stitchtype,Stitchdensity(spi),Threadtension,andThreadelasticity.Durability8212;Thedurabilityofasewnseamdependslargelyuponitsstrengthrelativetotheelasticityoftheseamandtheelasticityofthematerial.However,inlesselastic,tightlywovenordensematerials,thereisatendencyforthepliestox201C;workx201D;orslideoneachother.Toformadurablesewnseaminthesetypesoffabrics,thethreadsizemustbecarefullychosen.Thestitchdensityalsoneedstobecarefullydeterminedforthematerialsoasnottocauseexcesstensionwhichwillunbalancetheelasticityandcausepuckering.Itisalsoimportanttominimizeabrasionandwearbycontactwithoutsideagenciestopromotedurability.Security8212;Thesecurityofasewnseamdependschieflyuponthestitchtype,spi,anditssusceptibilitytobecomeunraveled.Thestitchmustbewellsettothematerialtopreventsnaggingthatcancauseruptureofthethreadandunravelingofcertainstitchtypes.Appearance8212;Theappearanceofasewnseamgenerallyisgovernedbytheproperrelationshipbetweenthesizeandtypeofthread,thestitchdensity,andthetextureandweightofthefabric.Inadditiontothesegeneralcharacteristics,thetechniqueandskillofthesewingmachineoperatorsalsogoverntheappearanceofthesewnseams.SomeofthefactorswhichwilladverselyaffecttheappearanceareshowninTable1.TABLE1StitchandSeamDefectsStitchDefectsSeamAssemblynbsp;nbsp;nbsp;DefectsLoosestitches
Puckers
【英文标准名称】:Pressuregauges-Part2:Selectionandinstallationrecommendationsforpressuregauges;GermanversionEN837-2:1997
【原文标准名称】:测压仪.第2部分:测压仪选择和安装推荐标准
【标准号】:DINEN837-2-1997
【标准状态】:现行
【国别】:德国
【发布日期】:1997-05
【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】:运输;储存;范围;压力测量(流体);维修;计量学;压力计;选择;安装;应用;安全;测量,检验和仪器;测量仪器;定义;材料
【英文主题词】:Definition;Definitions;Maintenance;Materials;Measurement,testingandinstruments;Measuringinstruments;Metrology;Mounting;Pressuregauges;Pressuremeasurement(fluids);Recommendation;Safety;Scope;Sel
【摘要】:Thedocumentonlyappliestothosepressuregaugeswhosepressureresponsiveelementmeasuringsystemisametalpartwhichdeformsundertheeffectofthepressuremeasured,asdefinedinDINEN837-1andDINEN837-3.Ithasbeenpreparedtoassistintheselection,installationanduseofpressuregaugestoensurethattheygivesatisfactoryservicefortheintendedapplicationwiththemaximumlevelofsafety.
【中国标准分类号】:N11
【国际标准分类号】:17_100
【页数】:8P;A4
【正文语种】:德语
