常用法兰规格,常用法兰规格尺寸表

('法兰尺寸公差1.“机械工业部（JB81/83-94）”法兰连接尺寸表公称通径DNmm公称压力Pg（Kgf/cm2）2.56101625DD1ndDD1ndDD1ndDD1ndDD1nd401301004141301004141451104181451104181451104185014011014011016012516012516012565160130160130180145180145180145880(70)1851501818515018195160195160819516010020517020517021518082151802301902212523520082352008245210245210270220261502602252602252852402228024022300250200315280315280335295335295123603101225037033512370335123903501240535526425370303004353952243539522440400460410485430163504854454854455004601652047016550490334005354951653549516565515265805253061055045059055059055061556520640585206606002050064060064060067062070565033730660396007557052026755705202678072530840770398407707008608102486081024895840249108402495587524458009759203097592030101095033102095010709909001075102010751020111010502811201050281180109028521000117511202811751120281220116012551170451305121056120013751320321400134032331450138032391485139032521525142032140015751520361620156036167515903645168515903617501640364015001690163017201660---------160017851730401820176040191518204052193018204056-代号D-法兰外径mmn-螺栓孔个数D1-法兰螺栓孔中心圆直径mmd-螺栓孔直径mm2.国标(GB9112—9131—88)管法兰连接尺寸表公称通径DNmm公称压力PNMPa(bar)0.25(2.5)/0.6(6)1.0(10)1.6(16)2.5(25)2.0(20)DKnLDKnLDKnLDKnLDKnL4013010041415011041815011041815011041813098．541650140110165125165125165125150120．520651601301851451851451851458180139．5801901501820016082001608200160190152．510021017022018022018023519022230190．58125240200825021025021027022026255216221502652252852402228524022300250280241．52003202803402953402951236031012345298．525037533512395350124053552642537030405362122630044039522445400460410485430164854323504904455054601652047016555490335354703040054049516565515265805253062055036600540164505955506155652064058520670600206355783350064560020670620715650337306607006352060075570526780725308407703684577039815749．5367008608102489584024910840249608752442/80097592030101595033102595039108599048900107510201115105028112510502811851090281000117511202812301160361255117042132012105612001375140513201340323033145513803239148513903248153014203214001575163015201560363036167515903642168515903617551640366216001790183017301760401915182040481930182040561975186040代号D-法兰外径mm；n-螺栓孔个数D1-法兰螺栓孔中心圆直径mmd-螺栓孔直径mm;3．化工部建设工程标准（HGJ44~76-91）管法兰连接尺寸表西德国标（DIN2500~2699）公称通径DNmm公称压力PNMpa(bar)0.25(2.5)0.6(6)1.0(10)1.6(16)2.5(25)DKnLDKnLDKnLDKnLDKnL40130100414130100414150110418150110418150110418501401101401101651251651251651256516013016013018514518514518514588019015018190150182001608200160820016010021017021017022018022018023519022125240200824020082502102502102702202615026522526522528524022285240223002502003202803202803402953402951236031012250375335123753351239535012405355264253703030044039522440395224454004604104854301635049044549044550546016520470165554903340054049516540495165655153058052530620550364505955505955506155652064058520670600205006456002064560020670620715650337306606007557052675570526780725308407703684577039700860810248608102489584024/8009759203097592030101595033900107510201075102011151050281000117511202811751120283612301160361200137513203214051340323314551380323914001575152036163015603636167515903642160017901730401830176040191518204048180019901930442045197044392115202044代号D-法兰外径mmn-螺栓孔个数D1-法兰螺栓孔中心圆直径mmd-螺栓孔直径mm4.中石化标准（SH3406-92）管法兰连接尺寸表美国标准（ANSIB16.5、API605）公称通径公称压力PNMPa(bar)DN1.0(125)2.0(150)5.0(300)AmmBinOCNhOCNhOCNh401-1/2注:表中代号:O-法兰外径mmC-螺栓孔中心圆直径mmn-螺栓数量h-螺栓孔直径mm13098.5416155114.5422502150120.520165127.0820652-1/2180139.5190149.022803190152.5210168.51004230190.58255200.01255255216.022280235.01506280241.5320270.0122008345298.5380330.02625010405362.01226445387.5163030012485432.0520451.03335014535476.030585514.52040016600540.016650571.53645018635578.033710628.52450020700635.020775686.060024815749.536915813.04270028813775401883779540229218573636800329148764894190048105497832429003610339924022105710102611721089451000401135109444117511214430127311914011004412511203362612761222521384129548120048135313054413921335443315111416521300521457141048149414375216131518481400561575152140301600154360176516513660150060167616224417261662523618781764405.日本国家标准（JISB2210-84）法兰连接尺寸表公称通径DNmm公称压力PNKgf/cm2(K)2K5K10K16K/20K30KDCnhDCnhDCnhDCnhDCnh4012095415120954151404191401054191601204235013010513010515510515512081651308196515513015513017512017514020016023801801451918014519185140820016023210170(90)19015519015519515021017023018525100200165820016582101602251852401951252352002352002501752327022525275230150265230265230280210305260123252751227200320280233202802333024012350305370320250385345123853451240029025430380274503903330043039043039044535516480430165154501635048043525480435254904005404803356049540054049516540495165604452760554063056039450605555236055556205102067560520500655605206556052067562073066060077071525770715277957302433845770243970087582024875820249058409608754248800995930279959303310209502810859904856900109510301095103011201050118510902810001195113028119511302812351160391320121056----12001420135032142013503214651380321530142032135015751505157515051630154036451700159062----15001730166036173016603617951700401865175036代号D-法兰外径mmn-螺栓孔个数D1-法兰螺栓孔中心圆直径mmd-螺栓孔直径mm板式平焊法兰带颈平焊法兰带颈对焊法兰Plate-typeFlatWeldingFlangeSlip-onNeckFlangeWeldNeckFlange螺纹法兰承插焊法兰法兰盖ThreadedFlangeSocketWeldingFlangeBlindFlange对焊环松套法兰平焊环松套法兰八字盲板ButtWeldingRingLooseFlangeFlatWeldingRingLooseFlangeFigure8Blind法兰剖面图密封面参数法兰结构图板式平焊法兰(PL)带颈平焊法兰(SO)带颈对焊法兰(WN)承插焊法兰(DN15-80)SW螺纹法兰(DN15-80)TH法兰盖(BL)带颈对焊环松套法兰LF.SE平焊环松套法兰PJ.RJ环槽面法兰及法兰盖大直径平板法兰(600-4800mm)大直径高颈法兰(600-4000mm)八字盲板BL美标系列AmericanStandardSeries标准号ANSIB16.5(88)通径范围压力等级1/2"-24"Class150、300、600、900、1500、2500ANSIB16.47(90)26"-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-DN2000PN0.250.61.02.02.54.05.06.310.011.015.016.025.026.042.0MpaSH3406-96DN10-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-DN2000PN0.250.61.01.62.54.06.410.0MpaDG0511-0541DN15-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类别钢板锻件铸件钢管钢号标准号钢号标准号钢号标准号钢号标准Q235Q235AQ235BGB3274(GB700)--------2020GB71120JB4726WCAASTM216GB12229----20RGB665409Mn2VDR09MnNiDRGB353109Mn2VD09MnNiDJB472716Mn16MnRGB665416MnJB4726ZG240/450AGZG280/520GGB/T16253WCBWCCASTM216GB1222916MnDRGB353116MnDJB4727LCCLCBASTMA3521Cr-0.5Mo15CrMoRGB665415CrMoJB4726ZG15Cr1MoGB/T1625321/4Cr-1Mo12Cr2Mo1RGB150(GB6654)12Cr2Mo1JB4726ZG12Cr2Mo1GGB/T162535Cr-0.5M0----1Cr5MoJB4726ZG16Cr5MoGGB/T16253304L00Cr19Ni10GB432700Cr19Ni10JB4728ZG03Cr18Ni10GB/T1625300Cr19Ni10GB/T14796HG20537CF3ASTMA351GB122303040Cr18Ni90Cr18Ni9ZG07Cr20Ni10GB/T162530Cr18Ni9CF8ASTMA351GB122303210Cr18Ni10Ti0Cr18Ni10TiZG08Cr20NiNbGB/T162530Cr18Ni10Ti(1Cr18Ni9Ti)(1Cr18Ni9Ti)(1Cr18Ni9Ti)CF8CASTMA351GB12230316L00Cr17Ni14Mo200Cr17Ni14Mo2ZG03Cr19Ni11Mo2GB/T1625300Cr17Ni14Mo2CF3MASTMA351GB122303160Cr17Ni12Mo20Cr17Ni12Mo2ZG07Cr19Ni11Mo2GB/T162530Cr17Ni12Mo2CF8MASTMA351GB12230说明：1、管法兰材料一般应采用锻制，不推荐用钢板或型钢制造，钢板仅可用于法兰盖、衬里法兰盖、板式平焊法兰、对焊环松套法兰和平焊环松套法兰；2、表列中的铸件仅适用于整体法兰，并不适用于带焊接的铸造法兰；3、表列中钢管仅适用于采用钢管制造的奥氏体不锈钢对焊环。',)