JIS日标法兰尺寸标准

1、For pers onal use only in study and research; not for commercial use莇For personal use only in study and research; not for commercial use蒂法兰尺寸袀JIS法兰(JIS B 2238、JIS B 2239)单位：mm肀口径莅DN螂适用的肂钢管外径膀法兰 外径D螆法兰各部分尺寸薄螺栓孔螁螺栓的芀螺纹腿尺寸薈b蚄f薃直径 D2荿中心圆直径 D1蚅数量 z莆直径d賺灰铸铁以外蕿灰铸铁羃10蝿17.3肄75螅9蚁12衿1蒅39膃55蒀4衿12祎M10羅15薃21.7罿8

2、0芇9莃12节1肇44蚈60412M102027.285101414965412M102534.095101415975412M103242.7115121627090415M124048.6120121627595415M125060.51301416285105415M126576128089.118014182121145419M16100114.320016202141165819M16125139.823516202176200819M16150165.226518222206230819M16200216.332020242252280823

3、M20250267.4385222623173451223M20300318.5430222833603901223M20350355.6480243034034351225M22400406.4540243034634951625M22450457.2605243035235551625M22500508.0655243235736052025M22600609.6770263236807152027M24单位：mm02T羀JIS 5KJIS 10K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中心圆直径 D1数量z直径d灰铸铁螺栓的孔径螺栓的

4、尺寸灰铸铁以外灰铸铁1017.390121414665415M121212M101521.795121615170415M121212M102027.2100141815675415M121412M102534.0125141816790419M161615M123242.71351620276100419M161815M124048.61401620281105419M161815M125060.51551620296120419M161815M126576.317518222116140419M161815M128089.118518222126150819M161815M12100114

5、.321018242151175819M162015M12125139.825020242182210823M202219M16150165.228022262212240823M202219M16200216.3330222622622901223M202419M16250267.4400243023243551225M222623M20300318.5445243233684001625M222823M20350355.6490263434134451625M222823M20400406.4560283634755101627M243025M22450457.26203038353056

6、52027M24500508.0675304035856202027M24600609.6795324436907302433M30JIS法兰(JIS B 2238、JIS B 2239)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直径 D2中心圆直径D1数量 z直径 d灰铸铁以外灰铸铁1017.39012-14665415M121521.79512-15170415M122027.210014-15675415M122534.012514-16790419M163242.713516-276100419M164048.614016-281105419

7、M165060.51551620296120819M166576.317518222116140819M168089.120020242132160823M20100114.322522262160185823M20125139.827022262195225825M22150165.2305242822302601225M22200216.3350263022753051225M22250267.4430283423453801227M24300318.5480303633954301627M24350355.6540343834404801633M30X 3400406.460538423

8、4955401633M30X 3450457.2675404635606052033M30X 3500508.0730425036156602033M30X 3600609.6845465837207702439M36X 3单位：mm口径适用的 钢管外径法兰外法兰各部分尺寸螺栓孔螺栓的螺 纹尺寸JIS 16KJIS 20Kbf直径 D2中心圆直径D1数量 z直径 d灰铸铁以外灰铸铁TSL1L说明：“Rc”、“PT和“NPT分别是中国、日本和美国密封锥管螺纹代号。中美日承插孔尺寸和螺纹端尺寸SWNPT(Rc)1017.390141614665415M121521.795141615170415M

9、122027.2100161815675415M122534.0125162016790419M163242.71351820276100419M164048.61401822281105419M165060.51551822296120819M166576.317520242116140819M168089.120022262132160823M20100114.322524282160185823M20125139.827026302195225825M22150165.2305283222302601225M22200216.3350303422753051225M22250267.44

10、30343823453801227M24300318.5480364033954301627M24350355.6540404434404801633M30X 3400406.4605465034955401633M30X 3450457.2675485435606052033M30X 3500508.0730505836156602033M30X 3600609.6845546637207702439M36X 3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 55N

11、PT 牙形角 6081/414.51014.19.614.39.61/4103/818.01017.69.617.99.63/8151/222.51021.89.622.29.61/2203/428.51127.112.727.712.73/425134.51233.812.734.512.71321?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-dM201007

12、55819141814-151225125907025141814-1916401401058538162024-1916JIS 10K、RF、FF单位：mmDNDD1D2D3t*fn-dM201208560191814-1916251309570252014-19164016012090382224-232050165130105512228-191665200160130642628-232080210170140762828-23201002401951601023228-25221252752301951253628-252215032527523515238212-272420037

13、032028020442212-272425045039034525448212-333030051545040530552316-3930JIS 40K、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-dM201208560192014-1916251309570252214-19164016012090382424-232050165130105512628-191665200160130643028-232080210170140763228-23201002502051651023628-2

14、5221253002502001254028-272415035529524015244212-333020040534529020050212-3330250475440355247.556212-3330300540470440298.560316-3936JIS 63K、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-dM25140100702227140-23204017513090353224-252250185145105483428-232065220175130573828-25228

15、0230185140734028-2522100270220165994428-27241253252652001215028-333015036530524014652212-333020042536029019058212-333025050043035523868212-393630056048541028377316-3936以下无正文仅供个人用于学习、研究；不得用于商业用途For personal use only in study and research; not for commercial use.Nur fur den pers?nlichen fur Studien, F

16、orschungommerziellen Zwecken verwendet werden.Pour l etude et la recherche uniquementades fins personnelles; pasades fins commerciales.以下无正文TO员BKOgA.nrogeHKO TOpMenob3ymrnflCH6yHeHu uac egoB u HHuefigoHMucno员B30BaTbCEBKOMMepqeckuxqe员EX.以下无正文仅供个人用于学习、研究；不得用于商业用途For personal use only in study and research; not for commercial use.Nur fur den pers?nlichen