法兰尺寸对照表

..WORD完美格式....专业知识编辑整理..法兰尺寸表作者：\o"admin"admin

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更新时间：2008-8-19【字体：小大】GB9119，2—88in公称通径10kg=1.0MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN105060144141/2DN155965144143/4DN2010575144161DN25115851441611/4DN321401001841811/2DN40150110184182DN501651251842021/2DN65185145184203DN802001601882031/2DN100220180188224DN125250210188225DN150285240228246DN200340295228248DN25039535022122610DN30044540022122812DN35050546022163014DN40056551526163216DN45061556526203518DN50067062026203820D,N,600780725262042GB9119，2—88in公称通径16kg=1.6MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN109060144141/2DN159565144143/4DN2010575144161DN25115851441611/4DN321401001841811/2DN40150110184182DN501651251842021/2DN65185145184203DN802001601882031/2DN100220180188224DN125250210188225DN150285240228246DN200340295228268DN25040535526122910DN30046041026123212DN35052047026163514DN40058052530163816DN45064058530204218DN50071565033204620DN600840770362052JIS标准in公称通径10kg=1.0MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN101/2DN153/4DN201DN2511/4DN3211/2DN40140105194162DN501551201941621/2DN65175140194183DN801851501981831/2DN90195160198184DN100210175198185DN125250210238206DN150280240238228DN20033029023122210DN25040035525122412DN30044540025162414DN35049044525162616DN400560510271628JIS标准in公称通径16kg=1.6MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN101/2DN153/4DN201DN2511/4DN3211/2DN40140105194162DN501551201981621/2DN65175140198183DN802001602282031/2DN90210170228204DN100225185228225DN125270225258226DN1503052602512248DN20035030525122610DN25043038029122812DN30048043029163014DN35054048032163416DN400605540351638JIS标准in公称通径20kg=2.0MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN101/2DN153/4DN201DN2511/4DN3211/2DN40140105194182DN501551201981821/2DN65175140198203DN802001602382231/2DN90210170238244DN100225185238245DN125270225258266DN1503052602512288DN20035030525123010DN25043038029123412DN30048043029163614DN35054048033164016DN400605540331646ANSI标准125型in公称通径10kg=1.0MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN101/2DN153/4DN201DN2511/4DN3211/2DN4012798.516414.32DN50152120.519415.921/2DN65178139.519417.53DN80190152.519419.14DN100229190.519823.95DN125254216.522823.96DN150279241.522825.48DN200343298.522828.610DN250406362.5251230.212DN300483432251231.814DN350533476.529123516DN400597539.5291636.6ANSI标准150型in公称通径16kg=1.6MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN101/2DN153/4DN201DN2511/4DN3211/2DN4012798.516417.52DN50152121.519419.121/2DN65178139.519422.33DN80190152.519423.94DN100229190.519823.95DN125254216.522823.96DN150279241.522825.48DN200343298.522828.610DN250406362.5251230.212DN300483432251231.814DN350533476.529123516DN400597539.5291636.6ANSI标准300型in公称通径20kg=2.0MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN101/2DN153/4DN201DN2511/4DN3211/2DN40156114.5194182DN501651272281821/2DN65190149228203DN80210168228224DN100254200228245DN125279235228266DN1503182702212288DN20038133025123010DN250444387.529163412DN30052145132163614DN350584514.532204016DN400648571.5352046螺栓配套孔距对比表螺栓孔距直径111418（19）22（23）26（28）30（31）33（34）36（37）39（40）螺栓公称直径M10M12M16M20M24M27M30M33M36法兰制造标准作者：\o"admin"admin

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更新时间：2008-8-19【字体：小大】美标系列AmericanStandardSeries标准号通径范围压力等级ANSIB16.5(88)1/2"-24"Class150、300、600、900、1500、2500ANSIB16.47(9026"-60"Class150、300、600、900ASMEB16.5(96)1/2"-24"Class150、300、600、900、1500、2500ISO7005-1(92)1/2"-24"PN2.05.011.015.026.042.0BS4504-3.1(89)1/2"-24"Class150、300、600、900、1500、2500JPI7S-15-931/2"-24"Class150、300、600、900、1500、2500NFE29-2031/2"-24"PN2.05.011.015.026.042.0API605-8126"-60"Class150、300、600ASMEB16.36(96)1"-24"Class300、400、600、900、1500、2500德标系列GermanStandardSeries标准号通径范围压力等级DIN2630WNDN1200-DN24001BarDIN2631WNDN10-DN36006BarDIN2632WNDN200-DN300010BarDIN2633WNDN10-DN200016BarDIN2634WNDN200-DN100025BarDIN2635WNDN10-DN50040BarDIN2636WNDN10-DN40064BarDIN2637WNDN10-DN350100BarDIN2638WNDN10-DN300160BarDIN2573PLDN10-DN5006BarDIN2576PLDN10-DN50010BarDIN2527PLDN10-DN500610162540BarDIN2501WNDN15-DN5001016254063100160250320400BarDIN2566THDN15-DN5001016BarDIN2655PLDN15-DN5000.250.61.01.62.54.0BarDIN2656PLDN15-DN5000.250.61.01.62.54.0Bar日标系列JapaneseStandardSeries标准号通径范围压力等级JISB2220PLDN10-DN4005KJISB2220SODN450-DN10005KJISB2220PLDN10-DN22510KJIS2220SODN250-DN100010KJIS2220SODN10-DN120016K20K30KJIS2220WNDN15-DN40030K国标系列NationalStandardSeries标准号通径范围压力等级GB/T9112-9113.4-2000DN10-DN2000PN0.250.61.02.54.06.310.016.0MpaJB/T74-86.2-94DN10-DN1600PN0.250.61.02.54.06.310.016.020.0MpaHG20592-20626-97DN10-DN2000PN0.250.61.02.02.54.05.06.310.011.0

15.0

16.025.026.042.0MpaSH3406-96DN10-DN1500PN1.02.05.06.810.015.025.042.0MpaGB/T17241.1-17241.7DN10-DN4000PN0.250.61.01.62.02.54.05.0MpaGB/T15530.1-15530.8DN10-DN1800PN0.61.01.62.02.54.05.0Mpa电力部系列PowerMinistrySeries标准号通径范围压力等级D-GD86-0510-0537DN15-DN2000

PN0.250.61.01.62.54.06.410.0MpaDG0511-0541DN15-DN1000PN0.250.61.01.62.54.06.410.020.032.0Mpa压力容器系列PressureVesselSeries标准号通径范围压力等级JB/T4701-2000(甲型)DN300-DN2000PN0.250.61.01.610.0MpaJB/T4702-2000(乙型)DN300-DN3000PN0.250.61.01.62.54.0MpaJB/T4703-2000(长颈)DN300-DN2000PN0.61.01.62.54.06.4Mpa船用系列ShippingSeries标准号通径范围压力等级GB573-581-76DN20-DN500PN0.61.01.62.54.06.4MpaGB2506-2507-89DN10-DN2000PN0.250.61.01.62.5MpaGB4450-84DN20-DN500PN0.61.01.6MpaGB10746-10749-89DN10-DN600PN0.61.01.62.54.06.4Mpa法兰结构图作者：\o"admin"admin

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更新时间：2008-8-19【字体：小大】法兰标准体系作者：\o"admin"admin

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更新时间：2008-8-19【字体：小大】法兰标准体系管道法兰按与管子的连接方式可分为五种基本类型：平焊法兰、对焊法兰、螺纹法兰、承插焊法兰、松套法兰。法兰的密封面型式有有多种，一般常用有凸面（RF）、凹面（FM）、凹凸面（MFM）、榫槽面（TG）、全平面（FF）、环连接面（RJ）。相应材质：20#、A105、Q235A、12Cr1MoV、16MnR、15CrMo、18-8、321、304、304L、316、3