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国标法兰尺寸表 1.0MPa-2.5MPa 凸面平焊钢制管法兰PN1.0MPa(10bar)MM公称通径DN 管子外径A连接尺寸密封尺寸法兰厚度C法兰内径B法兰理论重量kg 法兰管径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d f数量n螺纹Th.系列1/系列210149060144M1240212150.46 151********M1245212190.51 202510575144M1255214260.75 253211585144M1265214330.89 3238140/135100184M167821639 1.40 4045150/145110184M168531846 1.71 5057165/160125184M1610031859 2.09 6573185/180145184M1612032075 2.84 8089200/195160184M1613532091 3.24 100108220/215180188M16155322110 4.01125133250/245210188<,/TD>M16185324135 5.40150159285/280240238M20210324161 6.67 175194310270238M202403241967.44 200219340/335295238M202653242228.24 225245365325238M202953242489.30 250273395/3903502312M2032032627610.70 300325445/4404002312M2036842832812.90 350377505/5004602316M2042842838016.90 40042656551526/2516M24/M2248243043021.80 45048061556526/2520M24/M2253243048424.40 50053067062026/2520M24/M2258543253427.70 6006307807253020M2768553663439.40 7007208958403024M27800536715,53 8008201015/10109503424M3090553881767 9009201115/111010503428M30100553891876参考100010201230/1220116036/3428M33/M301115538102090参考11001120134012703628M331222540125参考120012201455/1450138039/4132M3613255441223143参考凸面平焊钢制管法兰PN1.6MPa(16bar)MM公称通径DN 管子外径A连接尺寸密封尺寸法兰厚度C法兰内径B法兰理论重量kg 法兰管径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d f数量n螺纹Th.系列1/系列210149060144M1240214150.55 151********M1245214190.71 202510575144M1255216260.87 253211585144M126521833 1.18 3238140/135100184M167821839 1.60 4045150/145110184M168532046 2.00 5057165/160125184M1610032259 2.61 6573185/180145184M1612032475 3.45 8089200/195160188M1613532491 3.71 100108220/215180188M16155326110 4.80 125133250/245210188M16185328135 6.47 150159285/280240238M202103281617.92 175194310270238M202403281968.81 200219340/3352952312M2026533022210.10 2252453653252312M2029533024811.70 25027340535526/2512M24/M2232033227615.70 30032546041026/2512M24/M2237543232818.10 350,37752047026/2516M24/M2243543438023.30 4004265805253016M2748543843031.00 4504806405853020M2754544248440.20 500530715/7056503420M3060844853455.70 60063084077036/4120M33/M3671855063480.8070072091084036/4124M33/M36788550724106.2 8008201025/102095039/4124M36898552824130.5 9009201125/1120105039/4128M3699854492491参考100010201255117042/4828M39/M4211105461024127参考11001120137012804228M3912225501124160参考120012201485139048/5432M45/M4813255521224186参考凸面平焊钢制管法兰PN2.5MPa(25bar)MM公称通径DN 管子外径A连接尺寸密封尺寸法兰厚度C法兰内径B法兰理论重量kg 法兰管径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d f数量n螺纹Th.系列1/系列210149060144M1240216150.64 151********M1245216190.80 202510575144M1255218260.99 253211585144M126521833 1.18 3238140/135100184M167822039 1.96 4045150/145110184M168532246 2.60 5057165/160125184M1610032459 2.71 6573185/180145188M1612032475 3.22 8089200/195160188M1613532691 4.06 100108235/230190238M20160328110 6.00 12513327022026/258M24/M221883301358.26 15015930025026/258M24/M2221833016110.40 17519433028026/2512M24/M2224833219611.90 20021936031026/2512M24/M2227833222214.50 2252453953403012M2730233424817.00 2502734253703012M2733233427618.90 3003254854303016M2739043632826.80 350377555/5504904016M3044844238034.35 400426620/61055036/3416M33/M3050544443044.90 450480670/66060036/3420M33/M3055544848451.92 50053073066036/3420M33/M3661045253467.30 600630845/8407704120M3671855663495.20700720960/95587542/4824M39/M42815560724116 8008201085/10709904824M45/M42930564824150.2 9009201185/1180109048/5428M45/M481025558924160参考100010201320/1305121055/5828M5211405621024210参考11001124142513155528M5212455661124260参考120012201530/1525142055/5832M5213505701224300参考。
法兰规格尺寸表大全法兰规格是指管道系统中用于连接或支撑管道的一种重要元件，具有固定管道及连接紧固件的作用。
按照标准规格设计，法兰可分为钢制、铸铁和塑料制法兰等多种材质。
下面是常用的法兰规格尺寸表大全，希望对大家有所帮助。
1、美标法兰美标法兰分为150#、300#、600#、900#、1500#、2500#等不同压力等级，对应的尺寸如下：压力等级尺寸150# 1/2"~24"300# 1/2"~24"600# 1/2"~24"900# 1/2"~16"1500# 1/2"~12"2500# 1/2"~12"2、日标法兰日标法兰则是按照JIS B2220-2004标准规格设计，其尺寸范围如下：公称压力 MPa 钢制法兰铸铁法兰尺寸(mm) 尺寸(mm)0.25 15～1200 15～6000.40 15～1200 15～6000.63 15～1200 15～6001.0 15～1200 15～6001.6 15～1200 15～6002.5 15～1200 15～6004.0 15～600 15～3005.0 15～450 15～3007.5 15～400 15～20010.0 15～300 15～20016.0 15～200 15～1003、德标法兰德标法兰是按照DIN PN6、PN10、PN16、PN25、PN40等不同压力等级进行分类，其尺寸如下：公称直径尺寸(mm)DN10~40 90DN50~80 110DN100~150 150DN200~300 225DN350~600 320DN700~1200 5004、欧标法兰欧标法兰则是按照EN 1092-1标准规格设计，尺寸如下：公称压力 PN2.5 PN6 PN10 PN16 PN25 PN40DN10~150 60 75 90 105 115 140DN200~300 165 185 200 220 250 320DN350~600 420 450 510 580 660 725DN700~1000 800 900 975 1075 1175 1325DN1200~2000 1600 1750 1950 2150 2325 2550 以上是常见的几种法兰规格尺寸表大全，希望对大家有所帮助。
![不锈钢法兰规格表国标日标[实用]](https://img.taocdn.com/s1/m/97e63a2a30126edb6f1aff00bed5b9f3f80f7257.png)
表一常用法兰规格尺寸表(国标）GB9119，2—88 GB9119，2—88in 公称通径10kg=公称通径16kg=法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN10506014414DN10906014414 1/2DN155********DN159******** 3/4DN201057514416DN201057514416 1DN251158514416DN251158514416 11/4DN3214010018418DN3214010018418 11/2DN4015011018418DN4015011018418 2DN5016512518420DN5016512518420 21/2DN6518514518420DN6518514518420 3DN8020016018820DN8020016018820 31/2DN10022018018822DN10022018018822 4DN12525021018822DN12525021018822 5DN15028524022824DN15028524022824 6DN20034029522824DN20034029522826 8DN250395350221226DN250405355261229 10DN300445400221228DN300460410261232 12DN350505*********DN350520470261635 14DN400565515261632DN400580525301638 16DN450615565262035DN450640585302042 18DN500670620262038DN500715650332046 20DN600780725262042DN600840770362052表二不锈钢法兰规格尺寸表（日标）尺寸规格外径内径厚中心孔大孔数尺寸规格外径内径厚中心孔大孔数1/2"5K809601243"5K1809014145194 10K95127015410K1859018150198 20K95147015420K2009022160238 150P89154150P190194 300P95194300P210228 DIN16951465154DIN162009020160198水道21190181681843/4"5K852********4"5K20011616165198 10K10028147515410K21011618175198 20K10028167515420K22511624185238 150P98154150P229198 300P117194300P254200228 DIN16105281675154DIN1622011620180198水道238181951841"5K9510751245"5K23514216200198 10K125149019410K25014220210238 20K125169019420K27014226225258 150P108154150P254228 300P12490194300P27935228 DIN161151685154DIN1625014222210198水道263192201861 1/4"5K11512901546"5K26516718230198 10K1351610019410K28016722240238 20K1351810019420K305167282602512尺寸规格外径内径厚中心孔大孔数尺寸规格外径内径厚中心孔大孔数150P117154150P279228 300P133194300P3182212 DIN1614016100194DIN1628516722240238水道290202471861 1/2"5K1205012951548"5K32021820280238 10K140501*********K330218222902312 20K140501*********K350218303052512 150P127154150P343228 300P156194300P3812512 DIN161505016110194DIN16340218242952312水道342218212991882"5K130********10"5K385270223452312 10K1551612019410K400270243552512 20K1551812019820K430270343802712 150P152********P4062512 300P16562127228300P4442916 DIN1616518125194DIN16405270263552712水道184********水道410223602182 1/2"5K155********15"5K430320223902312 10K1751814019410K445320244002516 20K1752014019820K480320364302716 150P178194150P4832512 300P190228300P5213216 DIN1618518145194DIN16460320284122712水道19318155184水道4643212341421法兰类型及密封面类型法兰类型代号类型PLSOWNIF整体法兰SW承插焊法兰THPJ/SE对焊环松套法兰PJ/RJ平焊环松套法兰BLBL(S)衬里法兰盖。
