法兰标准尺寸表

中国JB标准法兰尺寸图1凸面整体铸钢管法兰1.凸面整体铸钢管法兰(JB/T79.1-94) 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 28PN1.6MPamm公称通径DN连接尺寸「密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dfNmaxSmaxR数量n螺纹Th.系列1/系列2159565144M1245214391242010575144M1255214441242511585144M12652144912432140/135rioO184M16r78121656112「440150/145110184M16853166412450165/160125184M161003167412565185/180145184M161203189515580200/195160188M16135320110155100220/215r180188M16r155i320130115I5125250/245210188M16185322161186150285/280240238M20210324186186(175)310270238M20240326215206200340/335P2952312M20「265]326240]20r6(225)365P3252312M20P295：326269122625040535526/2512M24/M22132033029824830046041026/2512M24/M221375430348248表29PN2.5MPamm公称通径DN连接尺R密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系螺栓孔中心圆直径K螺栓孔直径L系列1/螺栓、螺柱dfNmaxSmaxR数量n螺纹Th.系列列2系列21/系列2159565144M1245216391242010575144M1255216441252511585144M12652164912532140/135P100184M16[7821862[15540150/145「110184M16「8531870115550165/160125184M161003208015565185/180145188M1612032210118680200/195160188M16135322116186100230P190238M20「160324136[18「612527022026/258M24/M22118832816922815030025026/258M24/M221218330198248(175)33028026/2512M24/M221248332223248200360:31026/2512M24/M221278334252]268(225)395r3403012M27r30233628112882504253703012M2733233630628103004854303016M273904403603010表30PN4.0MPamm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2螺栓、螺柱dfNmaxSmaxR数量n螺纹Th.系列1/系列2159565144M1245216391242010575144M1255216441252511585144M12652164912532140/135「100184M16「7821862115「540150/145110184M16853187015550165/160125184M161003208015565185/180145188M1612032210118680200/195P160188M16f135322116[186100235/230P190238M20r160324140120612527022026/258M24/M22118832816922815030025026/258M24/M221218330198248(175)3502953012M272583342312810200375:3203012M27282338256[28rio(225)415P3553412M30r315340285130「10250450/4453853412M303453423143210300515/5104503416M304084463683412注：表28〜30中系列1法兰连接尺寸与国标及德国法兰标准尺寸互换；系列2尺寸与原机标准法兰尺寸互换；新产品 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 应优先采用系列1尺寸。2.凹凸面整体铸钢管法兰(JB/T79.2-94)图2凹凸面整体铸钢管法兰mm表31PN4.0MPamm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dX系列1/系列2Y系歹U1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列2159565144M1245394012416391242010575144M125550512416441252511585144M1265575824164912532140/1351001814M161786566]2[4r18「6215]540150/145110184M1685757613141187015550165/160125184M16100878834208015565185/180145188M16120109110342210118680200/195160188M161351201213422116186100235/2301902318M2011601491503:4.5:24P140201612527022026/258M241881751763I4.5I2816922815030025026/258M24/M2：>21820320434.530198248(175)3502953012M2725823323434.534231281020037532030112M27128225926034.5:38[2562810(225)4153553412M303152862873I4.5I402853010250450/4453853412M3034531231334.5423143210300515/5104503416M3040836336444.5463683412表32PN6.3MPamm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dX系列1/系列2Y系歹U1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列21510575144M1255394024184515420130/12590184M1668505124205216525140/135100184M1678575824226118532155/1501102314M2082656612:4r24「6818]540170/165125234M2095757634248020550180/175135234M20105878834269020565205/200160238M20130109110342811123680215/210170238M20140120121343012824610025020026/25]8M24/M2；"681491503:4.5:32「15226]6125295240308M27202175176314.5：36181288150345/340280348M3024020320434.538210308(175)3703103412M3027023323434.542239321020040534536/3412M33/M3()30025926034.5442683410(225)43037036/3412M33/M3()3252862873;4.5:46:30138:1025047040036/4112M33/M3C)35231231334.548326381030053046036/4116M33/M3C)41236336444.5543844212表33PN10.0MPamm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dX系列1/系列2Y系歹U1/系列2ff1、f2NmaxSmaxR数量n螺纹Th.系列1/系列21510575144M1255394024204515420130/12590184M1668505124225417425140/13510018「4M16178575812:4:24「6118；432155/150110234M20826566124口46818440170/165125234M209575763426802045019514526/254M24/M2：>11287883428942246522017026/258M24/M2："381091103[4:32r11525158023018026/258M24/M2：>1481201211314：34132265100265210308M2717214915034.538160305125315/310250348M3021017517634.542189326150355/35029034112M3012502032043:4.5:46[2223616(175)3803203412M3012802332343I4.5I481251381820043036036/4112M33/M3()31225926034.554284428(225)4704004112M3635228628734.556313448250505/50043041112M3638231231334.5r6034648830058550042/48:16M39/M4：>44236336444.5704085410表34PN16.0MPamm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dX系列2Y系列2ff1、f2；NmaxSmaxR数量n螺纹Th.系列1/系歹215110；75r184M1652[39140r24124149]17420130901234M20625051124265819425140100234M2072575824286520432165115254M2285656624307622540175「125:274M2492[75176r34P32188]24550215165：258M2213287881343610226565245190308M27152109110344413133880260205308M27168120121344614834r8100300240348M3020014915034.5481723681253551285二418M36238F1751176匚34.5r601213144101503903184112M3627020320434.5662464810(175)4603804812M4232523323434.57428756102004804004812M4234525926034.5783165810(225)5451450r5412M48390]286：287r34.5r82134516010250580485I5412M48425312313I34.58837864103006655705416M4851036336444.51004527610表35PN20.0MPamm卜尔通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系歹（J2螺栓孔中心圆直径K螺栓孔直径L系列2双头螺柱dX系列2Y系列2ff1、f2；NmaxSmaxR数量n螺纹Th.系列1/系歹21512082234M205527282526511852013090234M2062343525286020525150:102:254M2272[41142r25r30：67]21532160115：254M22854950I25327823540170124274M2490555635349025550210160258M2212869703540108295652601203:308M27165r96[97「35:481137136880290230I348M30190115116I3554160408100360292418M3624513713836662045281253853184112M3627016917036762375610150440360:4812M42305f189[190r36P8212706010(175)4753944812M423401213[214368430163102005354405412M4838024424536923407010(225)580]483二5812M52418f267[268匚36f100137776102506705725816M52508318319361104489410注：表31〜35中系列1法兰连接尺寸与国标及德国法兰标准尺寸互换，系列2尺寸与原机标法兰尺寸互换；新产品设计优先采用系列1尺寸。3、桦槽面整体铸钢管法兰(JB/T79.3-94)图3榨槽面整体铸钢管法兰表36PN4.0MPamm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱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数量n螺纹Th.系列1/系列2159565144M12452939402824161391242010575144M1255365051352416441252511585144M1265435758422416,49125321140/1351001814「M16]785165[66r502:4r186215r5:40150/145110184M16856175I76：60314I187015I5I50165/160125184M1610073878872342018015565185/180145188M161209510911094342210118680200/195160188M161351061201211053422116186100:235/230190P238M20：160129149150:128]314.524：14020:612527022026/258M24/M2：?188155175176115413:4.528116922回15030025026/258M24/M2：>21818320312041182134.530198248(175)3502953012M2725821323323421234.53423128102003753203012M2728223925926023834.53825628r10(225):415355P3412M30[315266286287]265]3[4.540：2853010250450/4453853412M3013452923123131291314.542131432I10300515/5104503416M30408343363364342144.5463683412表37PN6.3MPamm公称通径DN连接尺寸密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱dWK歹1」1/系列2X系列1/系列2Y系列1/系列2Z系歹1/系列2ff1、f2Nmax:Smax:R数量n螺纹Th.系列1/系列21510575144M121552939402824184515420130/12590184M16683650513524205216525140/135100184M16784357584224226118532155/15011023；4PM2018251：65:6650:2:42468:18r540170/165125234M209561：751766013142480120550180/175135234M2010573878872342690201565205/200160238M201309510911094342811123680215/210170238M20140106120121105343012824:6100250200:26/2518M24/M2!168129:149:150：128：3:4.532152266125295240308M27202115511751761154314.53618128：8150345/340280348M3024018320320418234.538210308(175)3703103412M3027021323323421234.5422393210200405345:36/34112M33/M3C30023912591260]238134.54426834r10(225)430370136/34112M33/M3C325266286287265：3I4.5463013810250470400136/4112M33/M36352292I31231329134.54832638110300530460136/4116M33/M3641234336336434244.5543844212表38PN10.0MPamm公称通径DN连接尺R密封面尺寸法兰厚度C法兰颈法兰外径D系列1/系列2螺栓孔中心圆直径K螺栓孔直径L系列1/系列2双头螺柱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数量n螺纹Th.系列1/系列21510575144rM1215529:39:4028242045]15r420130/12590184M166836I50I51352I42254117425140/135100184M16784357584224246118432155/150110234M20825165665024246818440170/165125234M20956175766034268020450195145:26/25；4M24/M2!11273:87:8872:3:42894122465220170:26/258M24/M2!1389510911094343211525580230180：26/258M24/M2：?14811061201211053434132265100265210308M2717212914915012834.538160305125315/310250348M3021015517517615434.54218932:6150355/35029034112M30250:183:203：204：182：3:4.546222366(17573803203412M3028021323323421234.548251388200430360136/4112M33/M3631223925926023834.554284428(225)4704004112M3635226628628726534.556313448250505/5004304112PM36]382:292:312：313：291：34.56034648:8300585500，42/48116M39/M42442343：363：3641342：4:4.5704085410350655560，48/5416M45/M4849839542142239445764665812400715620，48/5416M45/M4855844747347444645805206012注：表36〜38中系列1法兰连接尺寸与国标及德国法兰标准尺寸互换；系列2尺寸与原机标法兰尺寸互换；新产品设计应优先采用系列1尺寸。