爱问共享资料GBT 12224-2005 钢制阀门 一般要求文档免费下载，数万用户每天上传大量最新资料，数量累计超一个亿 ，ICS2306030J16荡鸿中华人民共和国国家标准GBT12224-2005代替GBT12224-1989钢制阀门一般要求Generalrequirementsforindustrialsteelvalves2005-09-19发布2006-04-01实施中华人民共和国国家质量监督检验检疫总局中国国家标准化管理委员会44f17GBT12224-2005目次前言····················································································...

　　ICS2306030J16荡鸿中华人民共和国国家标准GBT12224-2005代替GBT12224-1989钢制阀门一般要求Generalrequirementsforindustrialsteelvalves2005-09-19发布2006-04-01实施中华人民共和国国家质量监督检验检疫总局中国国家标准化管理委员会44f17GBT12224-2005目次前言····································································································⋯⋯皿1范围································································································⋯⋯12规范性引用文件·······································································⋯⋯13压力一温度额定值·························································································⋯⋯331概述······························································································⋯⋯332额定温度··························································································⋯⋯333温度影响·······························································································⋯⋯334法兰连接端阀门使用要求···············································⋯⋯1235偏差·······································································································一1236多种材料等级····················································································⋯⋯1237局部运行条件····················································································⋯⋯124标志·········································································································125材料···········································································································1351概述···········································································································一1352材料选择································································································一1353防静电要求·············································································一·一136设计要求···························································································⋯⋯1361阀体设计·······················································································⋯⋯1362端部尺寸·····················································································⋯⋯1763辅助连接件·············································································一⋯⋯1864阀门组件·····························································································⋯⋯2065阀杆·······

　　·························································································⋯⋯2266安装限制··························································································⋯⋯2267对夹式阀门····································································⋯⋯227检验与试验······················································································⋯⋯2271检验········································································································⋯⋯2272压力试验····················································································⋯⋯23S缺陷清除及修复···············································································⋯⋯2481缺陷清除························································································⋯⋯2482补焊修复··············································································⋯⋯24附录A资料性附录阀门公称尺寸和阀体端部基本内径的关系····································⋯⋯25附录B资料性附录压力一温度额定值的确定方法······················································一26B1概述·······································································································一26B2标准压力级额定值的确定方法···························································⋯⋯26B3特殊压力级额定值的确定方法····················································⋯⋯27附录C规范性附录阀门的无损检验要求·······························································⋯⋯28C1范围·························································································⋯⋯28C2概述···························································································一28TcaT12224-2005C3规定的检查·······················································································一28附录D规范性附录特殊压力级阀门压力一温度额定值··························⋯⋯33图1阀体颈部·····················································································一⋯15图2蝶阀阀体····························································································⋯二17图3焊接端坡口································································································一18图4辅助连接的螺纹长度···················································································⋯⋯19图5辅助连接用凸台················································································⋯⋯19图6辅助连接的承插焊································································

　　················⋯⋯19图7辅助连接的对焊·····················································································⋯⋯20图8辅助连接位置的表示方法····················································⋯⋯21图C1闸阀阀体自密封阀盖································································⋯⋯29图C2Y型截止阀阀体自密封阀盖································································⋯⋯29图C3角阀阀体自密封阀盖·················································⋯⋯⋯⋯30图C4下弯阀体自密封阀盖····································································⋯⋯30图C5闸阀阀体法兰连接的阀盖·······················································⋯⋯30图C6截止阀阀体法兰连接的阀盖·····························································⋯⋯31图C7蝶阀阀体·-31图C8旋塞阀阀体···········································································⋯⋯31图C9管道闸阀阀体自密封阀盖········································⋯⋯32图C10蝶形阀盖··········································································⋯⋯32图C11盖板························································································⋯⋯32表1钢制阀门承压件材料··················································⋯一二二⋯⋯2表2-1至表2-12标准压力级阀门压力一温度额定值···································⋯⋯⋯4表3壳体最小壁厚fm一二·⋯⋯14表4焊接端部尺寸················································································一18表5辅助连接壳体螺纹有效长度···············································4一⋯⋯⋯19表6辅助连接壳体承插焊接有关尺寸··············································⋯⋯一⋯⋯19表7辅助连接凸合的外接圆直径························································⋯⋯20表8辅助连接件规格························································································⋯⋯20表9阀门壳体试验持续时间·······················································⋯⋯⋯⋯⋯23表1006MPa气体进行密封试验的阀门···················································⋯⋯23表11阀门密封试验持续时间····································································⋯⋯23表A1阀门公称尺寸和阀体端部基本内径的关系······················································⋯⋯25表D1至表D12特殊压力级阀门压力一温度额定值······················································⋯⋯33GBT12224-2005目p言本标准与ASMEB1634a-1998《法兰螺纹和焊接端连接的阀门》的一致性程度为非等效主要差异如下本标准取消了ASMEB1634a-1998中73渗漏探测装置的内容本标准取消了ASMEB1634a-1998中附录B射线照相规程和验收标准的内容本标准取消了ASMEB1634a-1998中附录C磁粉检验规程和验收标准的内容一一本标准取消了ASMEB1634a-1998中附录D液体渗透检验规程和验收标准的内容本标准取消了ASMEB1634a-1998中附录E超声波检验规程和验收标准的内容本标准取消了ASMEB1634a-1998中附录G限定压力级阀门要求的内容本标准取消了ASMEB1634a-1998中附录H质里体系

　　程序的内容本标准取消了ASMEB1634a-1998中附录I参照标准和技术条件的内容本标准对ASMEB1634a-1998中附录F确定压力一温度额定值方法的内容作了适当精简本标准把ASMEB1634a-1998中条款8特殊压力级阀门规定检验的内容放在附录C中本标准代替GBT12224---1989钢制阀门一般要求》本标准与GBT12224-1989相比主要变化如下标准格式按GBT11-2000《标准化工作导则第1部分标准的结构和编写规则》作了调整适用范围由公称压力PN16-320修改为公称压力PN16-VPN760气在设计要求部分的端部尺寸内容增加了承插焊接端和螺纹连接端本标准中压力一温度额定值的制定方法及不同材料的压力一温度额定值按本标准表2-1至表2-12和GBT9124-2000钢制管法兰技术条件》的规定对GBT12224-1989材料部分的44精密铸造件不得用于公称压力PN100的阀门的规定作了相应修改对GBT12224-1989材料部分的45和46按ASME16341998的规定作了相应修改在设计要求部分增加了阀门组件安装限制对夹式阀门3部分增加了标准压力级阀门压力一温度额定值增加了阀门的检验与试验部分增加了缺陷清除与修复部分增加了附录A管道公称尺寸和内径的关系增加了附录B压力一温度额定值的确定方法增加了附录C阀门的无损检验要求增加了附录D特殊压力级阀门压力一温度额定值本标准技术内容与ASMEB1634a--1998基本一致技术水平与之相当本标准附录A和附录B为资料性附录附录C和附录D为规范性附录本标准由中国机械工业联合会提出本标准由全国阀门标准化技术委员会SACTC188归口本标准主要起草单位合肥通用机械研究院中核苏阀科技实业股份有限公司沈阳盛世高中压阀mGBT12224-2005门有限公司上海市通用机械技术研究所上海良工阀门厂浙江五洲阀门制造有限公司武汉锅炉集团阀门有限责任公司上海亚核阀业成套有限公司本标准主要起草人高秉申陈鉴平郑云海孔彪龙杨恒郑祖辉吕召政杨志聪本标准所代替标准历次版本发布情况为GBT12224-1989GBT12224-2005钢制阀门一般要求范围本标准规定了钢制阀门的压力一温度额定值材料设计要求检验与试验标志和无损检验与修复等内容本标准适用于表1给出的各种材料阀体可以是铸造锻造和组焊加工端部连接可以是法兰螺纹和焊接端连接以及对夹式和单法兰安装的阀门本标准适用阀门的参数范围为a公称压力PN16--PN760的阀门公称压力PN760仅适用于焊接端阀门b公称尺寸不大于DN125的法兰连接端阀门和对焊连接端阀门c公称尺寸不大于DN65的承插焊接端阀门和螺纹连接端阀门d额定温度不大于5400C公称压力不大于PN420的螺纹连接端阀门e公称压力PN16-PN25的法兰连接端阀门额定温度不大于540-C2规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款凡是注明日期的引用文件其随后所有的修改单不包括勘误的内容或修订版均不适用于本标准然而鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本凡是不注日期的引用文件其最新版本适用于本标准GB150-1998钢制压力容器GBT193-2003普通螺纹直径与螺距系列ISO2611998MODGBT197-2003普通螺纹公差ISO965-11998MODBT228-2002金属材料室温拉伸试验方法eqvISO68921998GBT711-1988优质碳素结构钢热轧厚钢板和宽钢带neqIOCT1577GBT1047-2005管道元件DN公称尺寸的定义和选用ISO67081995IDTGBT1048-2005管道元件PN公称压力的定义和选用ISOCD72681996IDTGB3531-1996低温压力容器用低合金钢钢板GBT4237-1992不锈钢热轧钢板neqJISG43041984GB6654-1996压力容器用钢板GBT密封管螺纹eqvISO7-11994GBT9113一9123-2000钢制管法兰GBT9124-2000钢制管法兰技术条件GBT12220通用阀门标志GBT12220-1989idtISO52091977GBT12221金属阀门结构长度GBT12221---2005ISO57521982MODGB丁12228通用阀门碳素钢锻件技术条件GBT1222通用阀门碳素钢铸件技术条件GBT1223通用阀门奥氏体钢铸件技术条件GBT1密封管螺纹eqvASMEBI2011992GBT13927通用阀门压力试验neqISO52081982GBT14976-2002流体输送用不锈钢无缝钢管JBT1751-1992阀门结构要素承插焊连接和配管端部尺寸GBT12224-2005盅少把埠一一一一一一二m心一一洲r门今〕教遥鸳口薪卜1N叔r门匕U户翻护N软a穿宝伊1报葵勿d亡口一卜mO划塞一一一一一口劲之亡口日卜U〔〕一令一鉴组m00o荔少望辑一〔一叶卜刁t勺卜m〕一卜必代公NF己亡二七理N心闷一卜国曲一一一O二m口4UiF一aUl一U三a一a一3QNVU弓鑫M吸口一一UkU墓吵艳鉴一i冬一含一令必卜」卜喇国卜一塞Q一C一自zC芝巴勺OIO荟妇U明尸叫于一O岑目妇O-一〔了zO沪闷卜UOI一一一oF摹鬓宫兰一INairILd捧尸尸r卜润口dI月吧已蟠山公一一一刘明e户公润0朴己母勺口勺闰心一尸曰亡心写勺丫刁闰C7一」示自宙啥

　　国U十U临门国OI一一亡r门卜」徐卜国公一纂a一一一圣a演一a口之c荟口二C一一xO荟卜U目刁甲一一一一O二之的州U咬习一0zU」令FF00襄轰宫邑一4--3Frlqm3U3一目曰芝勺二一一e一一O居帅O曰目0UM一翼IMu簇箕zrla吕二三N二GBT12224-2005JB4726-2000压力容器用碳素钢和低合金钥锻件JB4727-200低温压力容器用碳素钢和低合金钢锻件JB4728--200压力容器用不锈钢锻件JBT5263电站阀门钢铸件技术条件neqANSIASTMA217MJBT6439阀门受压铸钢件磁粉探伤检验JBT6440阀门受压铸钢件射线阀门铸钢件液体渗透检查方法JBT6903阀门锻钢件超声波检查方法JBT7248阀门低温铸钢件技术条件JBT7927阀门铸钢件外观质量要求3压力一温度额定值31概述311压力一温度额定值压力一温度额定值按表2的规定除表2规定的以外按GBT9124-2000的规定312标准压力级阀门满足本标准要求的阀门除满足附录C阀门的无损检验要求之外的阀门都定为标准压力级阀门其压力一温度额定值按311的规定313特殊压力级阀门满足312要求的阀门并且满足附录C阀门的无损检验要求其压力一温度额定值按附录D中表D1至表D12的规定特殊压力级额定值不适用于法兰连接端阀门314中间额定值阀门在公称压力等级数值内处于表列额定温度之间或额定压力之间的中间额定值可以用线性插值法确定但对法兰连接端阀门不允许用线组焊件完全或部分用铸件锻件棒料板材或管材组焊的阀门应满足下列要求a焊件的组焊和热处理按GB150--1998的规定b焊缝的检验与验收按GB150-1998的规定上述要求不适用于密封焊或附着焊如倒密封座阀座圈吊耳和辅助连接件的焊接316最高允许工作压力除35规定外压力一温度额定值是在所示温度下以表压所表示的最高允许工作压力32额定温度对应额定压力的温度就是该承压壳体的额定温度这个温度与其内的介质温度相同33温度影响331高温在蠕变范围内的高温下由于法兰螺栓和垫片发生松弛将会导致螺栓负荷减小因此会降低法兰连接面的密封能力在温度升高时特别是公称压力PN镇25的法兰连接面可能会产生泄漏所以应采取有效措施避免过大的外加负荷或过大的温度梯度变化332低温对于表1中所列的材料工作温度低于一29℃的压力值都应不大于GBT9124-2000温压表中对应于38℃的额定值表1中所列的某些材料在低温下的抗冲击性能会降低所能承受的冲击载荷应力突然变化或高度应力集中的能力也会降低GBT1介质热膨胀在一定情况下有些双阀座阀门能密封中腔在中腔充满或部分充有介质温度上升的情况下可能导致中腔压力异常升高造成阀门破坏有可能发生这种情况的场合用户应在定货合同中说明制造厂在阀门中腔应设置泄压装置第11组材料WCBA105长期使用于温度大于427℃时钢中的碳化物相会转化为石墨表2-1标准压力级阀门压力一温度额定值温度t叫一引40口一一」]0「___上_1160一二一63loo1so671土60一29-26t514_04l1508101428一l475_7157282l0910131422之54第12组材料WCC长期使用于温度大于427℃时钢中的碳化物相会转化为石墨LC2LC3使用温度不大于3430Co表2一2标准压力级阀门压力一温度额定值allc公称压力一16一25一40一丽一可一100一」1一320一一「632050I60分级表示的上作压力MP一709610515吕931__9_21532041工工420385o1n90700GBT12224-2005裹2-2续温度℃公称压力202050

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