JIS日标法兰尺寸标准.doc

法兰尺寸JIS法兰（JIS B 2238、JIS B 2239）JIS 5K 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1017.37591213955412M101521.78091214460412M102027.285101414965412M102534.095101415975412M103242.7115121627090415M124048.6120121627595415M125060.51301416285105415M126576.315514182110130415M128089.118014182121145419M16100114.320016202141165819M16125139.823516202176200819M16150165.226518222206230819M16200216.332020242252280823M20250267.4385222623173451223M20300318.5430222833603901223M20350355.6480243034034351225M22400406.4540243034634951625M22450457.2605243035235551625M22500508.0655243235736052025M22600609.6770263236807152027M24JIS 10K 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中心圆直径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－－－500508.0675304035856202027M24－－－600609.6795324436907302433M30－－－JIS法兰（JIS B 2238、JIS B 2239）JIS 16K 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1017.39012-14665415M121521.79512-15170415M122027.210014-15675415M122534.012514-16790419M163242.713516-276100419M164048.614016-281105419M165060.51551620296120819M166576.317518222116140819M168089.120020242132160823M20100114.322522262160185823M20125139.827022262195225825M22150165.2305242822302601225M22200216.3350263022753051225M22250267.4430283423453801227M24300318.5480303633954301627M24350355.6540343834404801633M30×3400406.4605384234955401633M30×3450457.2675404635606052033M30×3500508.0730425036156602033M30×3600609.6845465837207702439M36×3JIS 20K 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1017.390141614665415M121521.795141615170415M122027.2100161815675415M122534.0125162016790419M163242.71351820276100419M164048.61401822281105419M165060.51551822296120819M166576.317520242116140819M168089.120022262132160823M20100114.322524282160185823M20125139.827026302195225825M22150165.2305283222302601225M22200216.3350303422753051225M22250267.4430343823453801227M24300318.5480364033954301627M24350355.6540404434404801633M30×3400406.4605465034955401633M30×3450457.2675485435606052033M30×3500508.0730505836156602033M30×3600609.684554663。