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1、汉语翻译在英文之下用蓝色标出，变更的点用黄色底色标出，翻译仅供参考，专业术语请根据技术用语。DateofIssue:April2023(MonogramProgramEffectiveDate:October2023)发布日期:2023年4月(证书生效日期:2023年10月)AffectedPublication:APISpecification6D,SpecificationforValves,25,hEdition,November2021涉及出版物:APl规范6D,阀门规范，第25版，2021年11月Addendum1附录13.1.12:Thedefinitionof,dateofman
2、ufactureshallbechangedtothefollowing:Themonthandyearofcompletionoffactoryacceptancetesting.3.1.12:“生产日期”的定义更改如下：完成出厂验收测试的月份和年份。3.1.18:Thedefinitionof,flowcoefficientshallbechangedtothefollowing:ThevolumetricflowrateofU.S.gallonsofwaterperminuteatatemperatureof60oF(15.6)passingthroughavalveandresulti
3、nginapressurelossof1psi(0.0069MPa;0.069bar).3.1.18:“流量系数”的定义需更改为：在温度为60F(15.6C)时，每分钟通过阀门的水(以加仑为单位)的体积流量，其压力损失为IPSi(0.0069MPa;0.069条)。4.4.2:Thefirstparagraphshallbechangedtothefollowing:Full-openingvalvesshallbeunobstructedinthefullyopenedpositionandshallhaveaninternalminimumcircularopeningoftheclosu
4、rememberandseatasspecifiedinTable1.4.4.2:第一段修改如下：全开阀门在全开位置应该是通畅的，并且在启闭件和阀座上应该有一个内部最小圆形通孔，如表1规定。5.1.3: Thethirdparagraphshallbechangedtothefollowing:Thedesignofthepressurebalancehole,whenequipped,shallhavearatiobetweenthelengthoftheholeandtheholediameteroflessthan10(LDor-iWherethegradeandclassdoesnot
5、uniquelyidentifythematerialspecification,thematerialspecification,grade,andclassshallbemarked.Example:A516-70orA537CL2.当等级和代码不能唯一标识材料规格时，应标明材料规格、等级和等级。例如:A516-70或A537CL2.Table13:Thetableshallbechangedasindicatedbytheredboxes:表13.名牌标记9Body/endconnectormaterialdesignationa,h阀体货材料的名称a,fh6.1Materialgrad
6、ehWherethegradeandclassdoesnotuniquelyidentifythematerialspecification,thematerialspecification,grade,andclassshallbemarked.Example:A516-70orA537CL2.当等级和代码不能唯一标识材料规格时，应标明材料规格、等级和等级.例如:A516-70或A537CL2.14.1: The5lhbulletshallbechangedtothefollowing:visualinspectionrecords;14.1: 第5项修改如F:-目视检查记录；以下是附件的修
7、改；AnnexB:ThetitlefortheFigureB.12intheintroductionoftheAnnexshallbechangedtothefollowing:FigureB.12CheckValve(ShortPattern,Single-plateWafer-type)附件B:附件导言中图B.12的标题应改为：图b.12止回阀(短型、单瓣对夹)FigureB.8:ThefollowingnoteshallbeaddedtotheFigure:NOTE:SeeapplicabletableinAnnexC.图B.8:在图中增加以卜说明：注:见附件C适用表格。FigureB.
8、9:ThefollowingnoteshallbeaddedtotheFigure:NOTE:Seea即IiCabIetableinAnnexC.图B.9:在图中增加以下说明：注:见附件C适用表格。FigureB.12:ThefollowingnoteshallbeaddedtotheFigure:NOTE:SeeapplicabletableinAnnexC.图B.12在图中需要增加以卜说明：注:见附件C适用表格。TableC.2:ForClass150,therowforNPS20shallbechangedtothefollowing:表C.2:对于150LB,NPS20的那一行应更改如下：(两位小数补足)|2050036.00(914)39.00(991)36.50(927)TableC.3:ForClass2500,therowforNPS6shallbechangedtothefollowing:表C
