法蘭標(biāo)準(zhǔn)尺寸表

1、中國(guó)JB標(biāo)準(zhǔn)法蘭尺寸圖1凸面整體鑄鋼管法蘭1.凸面整體鑄鋼管法蘭(JB/T79.1-94)表28PN1.6MPamm公稱通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2雙頭螺柱dfNmaxSmaxR數(shù)量n螺紋Th.系列1/系列2159565144M1245214391242010575144M1255214441242511585144M12652144912432140/135rioO184M16r78121656112440150/145110184M16853166412450165/160125184M16100316741

2、2565185/180145184M161203189515580200/195160188M16135320110155100220/215r180188M16r155i320130115I5125250/245210188M16185322161186150285/280240238M20210324186186(175)310270238M20240326215206200340/335P2952312M2026532624020r6(225)365P3252312M20P295：326269122625040535526/2512M24/M22132033029824830046041

3、026/2512M24/M221375430348248表29PN2.5MPamm公稱通徑DN連接尺R密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系螺栓孔中心圓直徑K螺栓孔直徑L系列1/螺栓、螺柱dfNmaxSmaxR數(shù)量n螺紋Th.系列列2系列21/系列2159565144M1245216391242010575144M1255216441252511585144M12652164912532140/135P100184M16782186215540150/145110184M168531870115550165/160125184M161003208015565185/180145188M

4、1612032210118680200/195160188M16135322116186100230P190238M2016032413618612527022026/258M24/M22118832816922815030025026/258M24/M221218330198248(175)33028026/2512M24/M221248332223248200360:31026/2512M24/M221278334252268(225)395r3403012M27r30233628112882504253703012M2733233630628103004854303016M2739044

5、03603010表30PN4.0MPamm公稱通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2螺栓、螺柱dfNmaxSmaxR數(shù)量n螺紋Th.系列1/系列2159565144M1245216391242010575144M1255216441252511585144M12652164912532140/135100184M167821862115540150/145110184M16853187015550165/160125184M161003208015565185/180145188M1612032210118680200/1

6、95P160188M16f135322116186100235/230P190238M20r160324140120612527022026/258M24/M22118832816922815030025026/258M24/M221218330198248(175)3502953012M272583342312810200375:3203012M2728233825628rio(225)415P3553412M30r31534028513010250450/4453853412M303453423143210300515/5104503416M304084463683412注：表2830中系

7、列1法蘭連接尺寸與國(guó)標(biāo)及德國(guó)法蘭標(biāo)準(zhǔn)尺寸互換；系列2尺寸與原機(jī)標(biāo)準(zhǔn)法蘭尺寸互換；新產(chǎn)品設(shè)計(jì)應(yīng)優(yōu)先采用系列1尺寸。2.凹凸面整體鑄鋼管法蘭(JB/T79.2-94)圖2凹凸面整體鑄鋼管法蘭mm表31PN4.0MPamm公稱通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2雙頭螺柱dX系列1/系列2Y系歹U1/系列2ff1、f2NmaxSmaxR數(shù)量n螺紋Th.系列1/系列2159565144M1245394012416391242010575144M125550512416441252511585144M1265575824164912

8、532140/1351001814M16178656624r186215540150/145110184M1685757613141187015550165/160125184M16100878834208015565185/180145188M16120109110342210118680200/195160188M161351201213422116186100235/2301902318M2011601491503:4.5:24P140201612527022026/258M241881751763I4.5I2816922815030025026/258M24/M2：2182032043

9、4.530198248(175)3502953012M2725823323434.534231281020037532030112M27128225926034.5:382562810(225)4153553412M303152862873I4.5I402853010250450/4453853412M3034531231334.5423143210300515/5104503416M3040836336444.5463683412表32PN6.3MPamm公稱通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2雙頭螺柱dX系列1/系列

10、2Y系歹U1/系列2ff1、f2NmaxSmaxR數(shù)量n螺紋Th.系列1/系列21510575144M1255394024184515420130/12590184M1668505124205216525140/135100184M1678575824226118532155/1501102314M2082656612:4r246818540170/165125234M2095757634248020550180/175135234M20105878834269020565205/200160238M20130109110342811123680215/210170238M2014012012

11、1343012824610025020026/258M24/M2；681491503:4.5:32152266125295240308M27202175176314.5：36181288150345/340280348M3024020320434.538210308(175)3703103412M3027023323434.542239321020040534536/3412M33/M3()30025926034.5442683410(225)43037036/3412M33/M3()3252862873;4.5:46:30138:1025047040036/4112M33/M3C)35231

12、231334.548326381030053046036/4116M33/M3C)41236336444.5543844212表33PN10.0MPamm公稱通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2雙頭螺柱dX系列1/系列2Y系歹U1/系列2ff1、f2NmaxSmaxR數(shù)量n螺紋Th.系列1/系列21510575144M1255394024204515420130/12590184M1668505124225417425140/135100184M16178575812:4:246118；432155/150110234M

13、20826566124口46818440170/165125234M209575763426802045019514526/254M24/M2：11287883428942246522017026/258M24/M2：3810911034:32r11525158023018026/258M24/M2：1481201211314：34132265100265210308M2717214915034.538160305125315/310250348M3021017517634.542189326150355/35029034112M3012502032043:4.5:462223616(175)

14、3803203412M3012802332343I4.5I481251381820043036036/4112M33/M3()31225926034.554284428(225)4704004112M3635228628734.556313448250505/50043041112M3638231231334.5r6034648830058550042/48:16M39/M4：44236336444.5704085410表34PN16.0MPamm公稱通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2雙頭螺柱dX系列2Y系列2ff1、

15、f2；NmaxSmaxR數(shù)量n螺紋Th.系列1/系歹215110；75r184M165239140r2412414917420130901234M20625051124265819425140100234M2072575824286520432165115254M2285656624307622540175125:274M249275176r34P3218824550215165：258M2213287881343610226565245190308M27152109110344413133880260205308M27168120121344614834r8100300240348M3020

16、014915034.5481723681253551285二418M36238F1751176匚34.5r601213144101503903184112M3627020320434.5662464810(175)4603804812M4232523323434.57428756102004804004812M4234525926034.5783165810(225)5451450r5412M48390286：287r34.5r82134516010250580485I5412M48425312313I34.58837864103006655705416M4851036336444.51004

17、527610表35PN20.0MPamm卜爾通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系歹（J2螺栓孔中心圓直徑K螺栓孔直徑L系列2雙頭螺柱dX系列2Y系列2ff1、f2；NmaxSmaxR數(shù)量n螺紋Th.系列1/系歹21512082234M205527282526511852013090234M2062343525286020525150:102:254M227241142r25r30：6721532160115：254M22854950I25327823540170124274M2490555635349025550210160258M2212869703540108295652

18、601203:308M27165r969735:481137136880290230I348M30190115116I3554160408100360292418M3624513713836662045281253853184112M3627016917036762375610150440360:4812M42305f189190r36P8212706010(175)4753944812M423401213214368430163102005354405412M4838024424536923407010(225)580483二5812M52418f267268匚36f100137776102

19、506705725816M52508318319361104489410注：表3135中系列1法蘭連接尺寸與國(guó)標(biāo)及德國(guó)法蘭標(biāo)準(zhǔn)尺寸互換，系列2尺寸與原機(jī)標(biāo)法蘭尺寸互換；新產(chǎn)品設(shè)計(jì)優(yōu)先采用系列1尺寸。3、樺槽面整體鑄鋼管法蘭(JB/T79.3-94)圖3榨槽面整體鑄鋼管法蘭表36PN4.0MPamm公稱通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2雙頭螺柱dWK歹U1/系列2X系歹U1/系列2Y系列1/系列2Z系歹U1/系列2ff1、f2Nma(SmaxR數(shù)量n螺紋Th.系列1/系列2159565144M12452939402824

20、161391242010575144M1255365051352416441252511585144M1265435758422416,49125321140/1351001814M1678516566r502:4r186215r5:40150/145110184M16856175I76：60314I187015I5I50165/160125184M1610073878872342018015565185/180145188M161209510911094342210118680200/195160188M161351061201211053422116186100:235/230190P23

21、8M20：160129149150:128314.524：14020:612527022026/258M24/M2：?188155175176115413:4.528116922258M24/M2：21818320312041182134.530198248(175)3502953012M2725821323323421234.53423128102003753203012M2728223925926023834.53825628r10(225):415355P3412M3031526628628726534.540：2853010250450/4453853412M

22、3013452923123131291314.542131432I10300515/5104503416M30408343363364342144.5463683412表37PN6.3MPamm公稱通徑DN連接尺寸密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2雙頭螺柱dWK歹11/系列2X系列1/系列2Y系列1/系列2Z系歹1/系列2ff1、f2Nmax:Smax:R數(shù)量n螺紋Th.系列1/系列21510575144M121552939402824184515420130/12590184M16683650513524205216525140/1

23、35100184M16784357584224226118532155/15011023；4PM2018251：65:6650:2:42468:18r540170/165125234M209561：751766013142480120550180/175135234M2010573878872342690201565205/200160238M201309510911094342811123680215/210170238M20140106120121105343012824:6100250200:26/2518M24/M2!168129:149:150：128：3:4.53215226612

24、5295240308M27202115511751761154314.53618128：8150345/340280348M3024018320320418234.538210308(175)3703103412M3027021323323421234.5422393210200405345:36/34112M33/M3C30023912591260238134.54426834r10(225)430370136/34112M33/M3C325266286287265：3I4.5463013810250470400136/4112M33/M36352292I31231329134.54832638110300530460136/4116M33/M3641234336336434244.5543844212表38PN10.0MPamm公稱通徑DN連接尺R密封面尺寸法蘭厚度C法蘭頸法蘭外徑D系列1/系列2螺栓孔中心圓直徑K螺栓孔直徑L系列1/系列2雙頭螺柱dWK歹U1/系列2X系列1/系列2Y系列1/系列2Z系歹U1/系列2ff1、f2Nmax:Smax:R數(shù)量n螺紋Th.系列1/系列21510575144rM1215529:39:402824204515r420130/12590184M166836I50I