(完整word版)JIS日标法兰尺寸标准

PAGE\*MERGEFORMAT#法兰尺寸JIS法兰(JISB2238、JISB2239)JIS5K单位：mm口径DN适用的钢管外径法兰外径D法兰各部分尺寸螺栓孔螺栓的螺纹尺寸bf直彳仝D2中心圆直径D1数量z直彳仝d灰铸铁以外灰铸铁1017.37591213955412M101521.78091214460412M102027.285101414965412M102534.095101415975412M103242.7115121627090415M124048.6120121627595415M125060.51301416285105415M126576.315514182110130415M128089.118014182121145419M16100114.320016202141165819M16125139.823516202176200819M16150165.226518222206230819M16200216.332020242252280823M20250267.4385222623173451223M20300318.5430222833603901223M20350355.6480243034034351225M22400406.4540243034634951625M22450457.2605243035235551625M22500508.0655243235736052025M22600609.6770263236807152027M24JIS10K单位：mm口径DN适用的钢管外径法兰外径D法兰各部分尺寸螺栓孔螺栓的螺纹尺寸薄型法兰bf直径D2中心圆直彳仝D1数量z直径d灰铸铁螺栓的孔径螺栓的尺寸灰铸铁以外灰铸铁1017.390121414665415M121212M101521.795121615170415M121212M102027.2100141815675415M121412M102534.0125141816790419M161615M123242.71351620276100419M161815M124048.61401620281105419M161815M125060.51551620296120419M161815M126576.317518222116140419M161815M128089.118518222126150819M161815M12100114.321018242151175819M162015M12125139.825020242182210823M202219M16150165.228022262212240823M202219M16200216.3330222622622901223M202419M16250267.4400243023243551225M222623M20300318.5445243233684001625M222823M20350355.6490263434134451625M222823M20400406.4560283634755101627M243025M22450457.2620303835305652027M24一一一500508.0675304035856202027M24一一一600609.6795324436907302433M30一一一JIS法兰(JISB2238、JISB2239)JIS16K单位：mm口径DN适用的钢管外径法兰外径D法兰各部分尺寸螺栓孔螺栓的螺纹尺寸bf直彳仝D2中心圆直径数量z直彳仝d灰铸铁以外灰铸铁D11017.39012-14665415M121521.79512-15170415M122027.210014-15675415M122534.012514-16790419M163242.713516-276100419M164048.614016-281105419M165060.51551620296120819M166576.317518222116140819M168089.120020242132160823M20100114.322522262160185823M20125139.827022262195225825M22150165.2305242822302601225M22200216.3350263022753051225M22250267.4430283423453801227M24300318.5480303633954301627M24350355.6540343834404801633M30X3400406.4605384234955401633M30X3450457.2675404635606052033M30X3500508.0730425036156602033M30X3600609.6845465837207702439M36X3JIS20K单位：mm口径DN适用的钢管外径法兰外径D法兰各部分尺寸螺栓孔螺栓的螺纹尺寸bf直彳仝D2中心圆直径数量z直彳仝d灰铸铁以外灰铸铁D11017.390141614665415M121521.795141615170415M122027.2100161815675415M122534.0125162016790419M163242.71351820276100419M164048.61401822281105419M165060.51551822296120819M166576.317520242116140819M168089.120022262132160823M20100114.322524282160185823M20125139.827026302195225825M22150165.2305283222302601225M22200216.3350303422753051225M22250267.4430343823453801227M24300318.5480364033954301627M24350355.6540404434404801633M30X3400406.4605465034955401633M30X3450457.2675485435606052033M30X3500508.0730505836156602033M30X3600609.6845546637207702439M36X3中美日承插孔尺寸和螺纹端尺寸NPT(Rc)规格承插孔尺寸螺纹端尺寸T(in)中国JB美国ANSI日本JIS中国GB日本JIS美国ANSIDNNPS(in)SL1SL1SL1Rc和PT牙形角55°NPT牙形角60°81/414.51014.19.614.39.61/4103/818.01017.69.617.99.63/8151/222.51021.89.622.29.61/2203/428.51127.112.727.712.73/425134.51233.812.734.512.71321?43.01542.612.743.212.71?401?49.01548.712.749.112.71?50261.01661.115.961.115.92说明：“Rc"、"PT'和"NPT分别是中国、日本和美国密封锥管螺纹代号。JIS10K、RF、FF单位：mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3t*fn-dM20100755819141814-1512251259070二L25141814-1916401401058538162024-191650155120100P51162024-191665175140120匚61182224-19168018515013076182228-1916100210175155102182428-1916125250210185125202428-2320150280240215152222628-2320200330290265匚204222628-23202504003553252542430212-25223004154003753052432316-2522JIS16K、RF、FF单位：mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3t*fn-dM20100755819141814-151225125607025141814-1916401401058538162024-19165015512010051162028-19166517514012064182228-19168020016013576202428-2320100225185160102222628-23201252702251951252226212-25221503052602301522428212-25222003503052752042630212-25222504303803452542834212-27243004804303953053036316-2724JIS20K、RF、FF单位：mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3t*fn-dM20100755819161814-151225125907025162014-1916401401058538182224-19165015512010051182228-19166517514012064202428-19168020016013576222628-2320100225185160102242828-23201252702251951252630212-25221503052602301522832212-25222003503052752043034212-25222504303803452543438212-27243004804303953053640316-2724注：t值中较小值为钢及可锻铸铁法兰；较大值为铸铁法兰。JIS30K、RF、FF单位：mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3t*fn-dM201208560191814-1916251309570252014-19164016012090382224-232050165130105512228-191665200160130642628-232080210170140762828-23201002401951601023228-25221252752301951253628-252215032527523515238212-272420037032028020442212-272425045039034525448212-333030051545040530552316-3930JIS40K、RF、FF单位：mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3t*fn-dM201208560192014-19F16251309570252214-19164016012090382424-232050165130105512628-191665200160130643028-232080210170140763228-23201002502051651023628-25221253002502001254028-272415035529524015244212-333020040534529020050212-3330250475440355247.556212-3330300540470440298.560316-3936JIS63K、RF、FF单位：mm公称通径外径螺栓孔中心圆直径连接凸出部分直径内径法兰厚度连接部分凸出高度螺栓孔数量与直径螺栓直径DNDD1D2D3tfn-dM25140100702227140-23204017513090353224-252250185145105483428-232065220175130573828-252280230185140734028-2522100270220165994428-27241253252652001215028-333015036530524014652212-333020042536029019058212-333025050043035523868212-393630056048541028377316-3936