日標(biāo)JIS法蘭標(biāo)準(zhǔn).doc

法蘭尺寸JIS法蘭（JIS B 2238、JIS B 2239）JIS 5K 單位：mm口徑DN適 用 的鋼管外徑法蘭外徑D法蘭各部分尺寸螺栓孔螺栓的螺紋尺寸bf直徑D2中心圓直徑D1數(shù)量z直徑d灰鑄鐵以外灰鑄鐵1017.37591213955412M101521.78091214460412M102027.285101414965412M102534.095101415975412M103242.7115121627090415M124048.6120121627595415M125060.51301416285105415M126576128089.118014182121145419M16100114.320016202141165819M16125139.823516202176200819M16150165.226518222206230819M16200216.332020242252280823M20250267.4385222623173451223M20300318.5430222833603901223M20350355.6480243034034351225M22400406.4540243034634951625M22450457.2605243035235551625M22500508.0655243235736052025M22600609.6770263236807152027M24JIS 10K 單位：mm口徑DN適 用 的鋼管外徑法蘭外徑D法蘭各部分尺寸螺栓孔螺栓的螺紋尺寸薄型法蘭bf直徑D2中心圓直徑D1數(shù)量z直徑d灰鑄鐵螺栓的孔徑螺栓的尺寸灰鑄鐵以外灰鑄鐵1017.390121414665415M121212M101521.795121615170415M121212M102027.2100141815675415M121412M102534.0125141816790419M161615M123242.71351620276100419M161815M124048.61401620281105419M161815M125060.51551620296120419M161815M126576.317518222116140419M161815M128089.118518222126150819M161815M12100114.321018242151175819M162015M12125139.825020242182210823M202219M16150165.228022262212240823M202219M16200216.3330222622622901223M202419M16250267.4400243023243551225M222623M20300318.5445243233684001625M222823M20350355.6490263434134451625M222823M20400406.4560283634755101627M243025M22450457.2620303835305652027M24500508.0675304035856202027M24600609.6795324436907302433M30JIS法蘭（JIS B 2238、JIS B 2239）JIS 16K 單位：mm口徑DN適 用 的鋼管外徑法蘭外徑D法蘭各部分尺寸螺栓孔螺栓的螺紋尺寸bf直徑D2中心圓直徑D1數(shù)量z直徑d灰鑄鐵以外灰鑄鐵1017.39012-14665415M121521.79512-15170415M122027.210014-15675415M122534.012514-16790419M163242.713516-276100419M164048.614016-281105419M165060.51551620296120819M166576.317518222116140819M168089.120020242132160823M20100114.322522262160185823M20125139.827022262195225825M22150165.2305242822302601225M22200216.3350263022753051225M22250267.4430283423453801227M24300318.5480303633954301627M24350355.6540343834404801633M303400406.4605384234955401633M303450457.2675404635606052033M303500508.0730425036156602033M303600609.6845465837207702439M363JIS 20K 單位：mm口徑DN適 用 的鋼管外徑法蘭外徑D法蘭各部分尺寸螺栓孔螺栓的螺紋尺寸bf直徑D2中心圓直徑D1數(shù)量z直徑d灰鑄鐵以外灰鑄鐵1017.390141614665415M121521.795141615170415M122027.2100161815675415M122534.0125162016790419M163242.71351820276100419M164048.61401822281105419M165060.51551822296120819M166576.317520242116140819M168089.120022262132160823M20100114.322524282160185823M20125139.827026302195225825M22150165.2305283222302601225M22200216.3350303422753051225M22250267.4430343823453801227M24300318.5480364033954301627M24350355.6540404434404801633M303400406.4605465034955401633M303450457.2675485435606052033M303500508.0730505836156602033M303600609.6845546637207702439M363中美日承插孔尺寸和螺紋端尺寸SW NPT(Rc)規(guī)格承插孔尺寸螺紋端尺寸T（in）中國 JB美國 ANSI日本 JIS中國GB、日本JIS美國ANSIDNNPS（in）SL1SL1SL1Rc和PT牙形角55NPT牙形角6081/414.51014.19.614.39.61/4103/818.01017.69.617.99.63/8151/222.51021.89.622.29.61/2203/428.51127.112.727.712.73/425134.51233.812.734.512.7132143.01542.612.743.212.7140149.01548.712.749.112.7150261.01661.115.961.115.92說明：“Rc”、“PT”和“NPT”分別是中國、日本和美國密封錐管螺紋代號。JIS 10K、RF、FF 單位：mm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3t*fn-dM2010075581914 1814-15122512590702514 1814-191640140105853816 2024-1916501551201005116 2024-1916651751401206118 2224-1916801851501307618 2228-191610021017515510218 2428-191612525021018512520 2428-232015028024021515222 2628-232020033029026520422 2628-232025040035532525424 30212-252230041540037530524 32316-2522JIS 16K、RF、FF 單位：mm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3t*fn-dM2010075581914 1814-15122512560702514 1814-191640140105853816 2024-1916501551201005116 2028-1916651751401206418 2228-1916802001601357620 2428-232010022518516010222 2628-232012527022519512522 26212-252215030526023015224 28212-252220035030527520426 30212-252225043038034525428 34212-272430048043039530530 36316-2724JIS 20K、RF、FF 單位：mm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3t*fn-dM2010075581916 1814-15122512590702516 2014-191640140105853818 2224-1916501551201005118 2228-1916651751401206420 2428-1916802001601357622 2628-232010022518516010224 2828-232012527022519512526 30212-252215030526023015228 32212-252220035030527520430 34212-252225043038034525434 38212-272430048043039530536 40316-2724注：t值中較小值為鋼及可鍛鑄鐵法蘭；較大值為鑄鐵法蘭。JIS 30K、RF、FF 單位：mm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3t*fn-dM201208560191814-1916251309570252014-19164016012090382224-232050165130105512228-191665200160130642628-232080210170140762828-23201002401951601023228-25221252752301951253628-252215032527523515238212-272420037032028020442212-272425045039034525448212-333030051545040530552316-3930JIS 40K、RF、FF 單位：mm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3t*fn-dM201208560192014-1916251309570252214-19164016012090382424-232050165130105512628-191665200160130643028-232080210170140763228-23201002502051651023628-25221253002502001254028-272415035529524015244212-333020040534529020050212-3330250475440355247.556212-3330300540470440298.560316-3936JIS 63K、RF、FF 單位：mm公稱通徑外徑螺栓孔中心圓直徑連接凸出部分直徑內(nèi)徑法蘭厚度連接部分凸出高度螺栓孔數(shù)量與直徑螺栓直徑DNDD1D2D3tfn-dM25140100702227140-23204017513090353224-252250185145105483428-232065220175130573828-252280230185140734028-2522100270220165994428-27241253252652001215028-333015036530524014652212-333020042536029019058212-333025050043035523868212-393630056048541028377316-3936公稱通徑：DN是公稱通徑，公稱通徑(或叫公稱直徑),就是各種管子與管路附 件的通用口徑。同一公稱直徑的管子與管路附件均能相互連接，具有互換性.它不是實際意義上的管道外徑或內(nèi)徑，雖然其數(shù)值跟管道內(nèi)徑較為接近或相等。例如： 公稱直徑為100MM的無縫鋼管有102*5、108*5等好幾種，108為管子的外徑，5表示管子的壁