国标法兰尺寸对照表.docx

1、国标法兰尺寸对照表国标法兰尺寸对照表表凸面平焊钢制管法兰 PN 1.0MPa(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df数量n螺纹Th.系列1/系列210149060144M1240212150.4615189565144M1245212190.5120251057514.4M1255214260.75253211585144M1265214330.893238140/135100184M1678216391.404045150/145110184M16853

2、18461.715057165/160125184M16100318592.096573185/180145184M16120320752.848089200/195160184M16135320913.24100108220/215180188M161553221104.01125133250/245210188M161853241355.40150159285/280240238M202103241616.67175194310270238M202403241967.44200219340/335295238M202653242228.24225245365325238M202953242

3、489.30250273395/3903502312M2032032627610.70300325445/4404002312M2036842832812.90350377505/5004602316M2042842838016.9040042656551526/2516M24/M2248243043021.8045048061556526/2520M24/M2253243048424.4050053067062026/2520M24/M2258543253427.706006307807253020M2768553663439.407007208958403024M2780053671553

4、8008201015/10109503424M30905538817679009201115/111010503428M30100553891876参考100010201230/1220116036/3428M30/M331115538102090参考11001120134012703628M331222540125参考120012201455/1450138039/4132M3613255441223143参考凸面平焊钢制管法兰 PN 1.6MPa(16bar) MM公称管子连接尺寸密封尺寸 法兰法兰法兰通径外径法兰管径螺栓孔中心圆螺栓孔直径螺栓、螺柱d f 厚度内径理论DNAD系列1/系列

5、2直径KL系列1/系列2数量n螺纹Th.系列1/系列2CB重量kg10149060144M1240214150.5515189565144M1245214190.71202510575144M1255216260.87253211585144M1265218331.183238140/135100184M1678218391.604045150/145110184M1685320462.005057165/160125184M16100322592.616573185/180145184M16120324753.458089200/195160188M16135324913.711001082

6、20/215180188M161553261104.80125133250/245210188M161853281356.47150159285/280240238M202103281617.92175194310270238M202403281968.81200219340/3352952312M2026533022210.102252453653252312M2029533024811.7025027340535526/2512M24/M2232033227615.7030032516041026/2512M24/M2237543232818.10350,37752047026/2516M

7、24/M2243543438023.304004265805253016M2748543843031.004504806405853020M2754544248440.20500530715/7056503420M3060844853455.7060063084077036/4120M33/M3671855063480.8070072091084036/4124M33/M36788550724106.28008201025/102095039/4124M36898552824130.59009201125/1120105039/4128M3699854492491参考1000102012551

8、17042/4828M39/M4211105461024127参考11001120137012804228M3912225501124160参考120012201485139048/5432M45/M4813255521224186参考凸面平焊钢制管法兰 PN 2.5MPa(25bar) MM公称管子连接尺寸密封尺寸 法兰法兰法兰通径外径 法兰管径螺栓孔中 螺栓孔直径螺栓、螺柱d f厚度内径理论DNAD系列1/系列2心圆直径KL系列1/系列2数量n螺纹Th.系列1/系列2CB重量kg10149060144M1240216150.6415189565144M1245216190.80202510

9、575144M1255218260.99253211585144M1265218331.183238140/135100184M1678220391.964045150/145110184M1685322462.605057165/160125184M16100324592.716573185/180145188M16120324753.228089200/195160188M16135326914.06100108235/230190238M201603281106.0012513327022026/258M24/M221883301358.2615015930025026/258M24/M

10、2221833016110.4017519433028026/2512M24/M2224833219611.9020021936031026/2512M24/M2227833222214.502252453953403012M2730233424817.002502734253703012M2733233427618.903003254854303016M2739043632826.80350377555/5504904016M3044844238034.35400426620/61055036/3416M33/M3050544443044.90450480670/66060036/3420M

11、33/M3055544848451.9250053073066036/3420M33/M3661045253467.30600630845/8407704120M3671855663495.20700720960/95587542/4824M39/M42815560724116.08008201085/10709904824M45/M42930564824150.29009201185/1180109048/5428M45/M481025558924160参考100010201320/1305121055/5828M5211405621024210参考11001124142513155528M

12、5212455661124260参考120012201530/1525142055/5832M5213505701224300参考凹凸面对焊钢制管法兰PN 4.0MPa(40bar) MM公管连接尺寸密封尺寸法法法称子法兰管径螺栓螺栓i! 0螺栓、螺柱dXY f系列1f1，、人、八，、人通外D 孔中孑L数螺纹Th.系列1f2厚高内劲圆法兰理论部角重量kg直半A型B型径DN径A系列1/系列2心圆直径K直径L系列1/系列2量n系列1/系列2/系列2/系列2度C度H径B径Nma:径x R10149060144M1240343524163582640.770.6715189565144M1245394

13、0241635123050.870.77202510575144M12555051241636183851.090.97253211585144M12655758241638254551.311.183238140/135100184M16786566241845315652.171.984045150/145110184M168575763418,48386452.512.145057165/160125184M161008788342048487653.342.926573185/180145188M16120109110342252669664.343.858089200/1951601

14、88M161351201213424587811265.525.03100108235/230190238M2016014915034.526689613868.397.7112513327022026/258M24/M2218817517634.52868120160811.0610.2715015930025026/258M24/M2221820320434.53072145186814.1613.3017519433028026/252M24/M2224823323434.53688177226 10 21.8020.9720021936031026/252M24/M2227825926

15、034.53888200250 10 25.5624.722252453953403012M2730228628734.54098226280 10 32.4831.602502734253703012M2733231231334.542102 2?52 310 1039.8739.003003254854303016M2739036336444.546116 3J01 368 1255.9753.21350377555/5504903416M304484214224552120 :4118 1275.3072.29400426620/61055036/346M33/M305054734744

16、558142 :J98 480 12112.02108.44450480670/66060036/3420M33/M305555235244560146 4L48 530 14112.82109.7050053073066036/4120M33/M366105755764562156 4L95 580 15142.70138.6060063089079548/5420M45/M48730675/677676/6785662176 595 700 2016716070072099590048/5424M45/M48 825777/767778/7685668200 6580 780 202752

17、65800820140/113510305824M52960882875883/8765676 220 7780 910 22410400凹凸面对焊钢制管法兰PN 6.4MPa(64bar) MM公 称 通 径DN连接尺寸密封尺寸法，、人厚度C法兰高度H法内径B管子外 径A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dX系列1/系列2Y系列1/系列2ff1f2数量n螺纹Th系列1/系列2101410070144M125034352418488劲圆法兰理论重量kg部角直半径径A型B型Nma05/200160238M201301091103428756

18、410667.006.43808915/210170238M201401201213430757712068.077.5010010825020026/258M24/M2216814915034.5328094140611.5110.80125133295240308M2720217517634.5369811872818.0217.09150159345/340280348M3024020320434.538 1()8142206826.4525.29175194375/3703103412M3027023323434.542 110174232 10 30.6329.61200219415/40534536/342 M33/M30300259260