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2 10149060144M1240212150.4615189565144M1245212190.51202510575144M1255214260.75253211585144M1265214330.893238140/135100184M1678216391.404045150/14511018

2、4M1685318461.715057165/160125184M16100318592.096573185/180145184M16120320752.848089200/195160184M16135320913.24100108220/215180188M161553221104.01125133250/245210188 M161853241355.40150159285/280240238M202103241616.67175194310270238M202403241967.44200219340/335295238M202653242228.24225245365325238M2

3、02953242489.30250273395/3903502312M2032032627610.70300325445/4404002312M2036842832812.90350377505/5004602316M2042842838016.9040042656551526/2516M24/M2248243043021.8045048061556526/2520M24/M2253243048424.4050053067062026/2520M24/M2258543253427.706006307807253020M2768553663439.407007208958403024M27800

4、536715538008201015/10109503424M30905538817679009201115/111010503428M30100553891876参考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

5、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2 10149060144M1240214150.5515189565144M1245214190.71202510575144M1255216260.87253211585144M1265218331.183238140/135100184M1678218391.604045150/145110184M1685320462.005057165/160125184M16100322592.616573185/180145184M16120324753.458089200/195160188M161353

6、24913.71100108220/215180188M161553261104.80125133250/245210188M161853281356.47150159285/280240238M202103281617.92175194310270238M202403281968.81200219340/3352952312M2026533022210.102252453653252312M2029533024811.7025027340535526/2512M24/M2232033227615.7030032516041026/2512M24/M2237543232818.10350, 3

7、7752047026/2516M24/M2243543438023.304004265805253016M2748543843031.004504806405853020M2754544248440.20500530715/7056503420M3060844853455.7060063084077036/4120M33/M3671855063480.8070072091084036/4124M33/M36788550724106.28008201025/102095039/4124M36898552824130.59009201125/1120105039/4128M369985449249

8、1参考100010201255117042/4828M39/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2 10149060144M1240216150.64151895651

9、44M1245216190.80202510575144M1255218260.99253211585144M1265218331.183238140/135100184M1678220391.964045150/145110184M1685322462.605057165/160125184M16100324592.716573185/180145188M16120324753.228089200/195160188M16135326914.06100108235/230190238M201603281106.0012513327022026/258M24/M221883301358.261

10、5015930025026/258M24/M2221833016110.4017519433028026/2512M24/M2224833219611.9020021936031026/2512M24/M2227833222214.502252453953403012M2730233424817.002502734253703012M2733233427618.903003254854303016M2739043632826.80350377555/5504904016M3044844238034.35400426620/61055036/3416M33/M3050544443044.9045

11、0480670/66060036/3420M33/M3055544848451.9250053073066036/3420M33/M3661045253467.30600630845/8407704120M3671855663495.20700720960/95587542/4824M39/M42815560724116.08008201085/10709904824M45/M42930564824150.29009201185/1180109048/5428M45/M481025558924160参考100010201320/1305121055/5828M5211405621024210参

12、考11001124142513155528M5212455661124260参考120012201530/1525142055/5832M5213505701224300参考凹凸面对焊钢制管法兰 PN 4.0MPa(40bar) MM 公称通径DN 管子外径A 连接尺寸密封尺寸法兰厚度C 法兰高度H法兰内径B 劲部直径Nmax圆角半径R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dX系列1/系列2Y系列1/系列2ff1f2数量n 螺纹Th.系列1/系列2 A型B型10149060144M1240343524163582640.770.67

13、15189565144M12453940241635123050.870.77202510575144M12555051241636183851.090.97253211585144M12655758241638254551.311.183238140/135100184M16786566241845315652.171.984045150/145110184M168575763418, 48386452.512.145057165/160125184M161008788342048487653.342.926573185/180145188M16120109110342252669664.3

14、43.858089200/195160188M161351201213424587811265.525.03100108235/230190238M2016014915034.526689613868.397.7112513327022026/258M24/M2218817517634.52868120160811.0610.2715015930025026/258M24/M2221820320434.53072145186814.1613.3017519433028026/2512M24/M2224823323434.536881772261021.8020.9720021936031026

15、/2512M24/M2227825926034.538882002501025.5624.722252453953403012M2730228628734.540982262801032.4831.602502734253703012M2733231231334.5421022523101039.8739.003003254854303016M2739036336444.5461163013681255.9753.21350377555/5504903416M3044842142245521203514181275.3072.29400426620/61055036/3416M33/M3050

16、5473474455814239848012112.02108.44450480670/66060036/3420M33/M30555523524456014644853014112.82109.7050053073066036/4120M33/M36610575576456215649558015142.70138.6060063089079548/5420M45/M48730675/677676/67856621765957002016716070072099590048/5424M45/M48825777/767778/768566820068078020275265800820140/

17、113510305824M52960882875883/876567622078091022410400凹凸面对焊钢制管法兰 PN 6.4MPa(64bar) MM 公称通径DN 管子外径A 连接尺寸密封尺寸法兰厚度C 法兰高度H法兰内径B 劲部直径Nmax圆角半径R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dX系列1/系列2Y系列1/系列2ff1f2数量n 螺纹Th系列1/系列2 A型B型101410070144M1250343524184883441.121.02151810575144M12553940241848123851.2

18、51.142025130/12590184M166850512420, 56184852.121.952532140/135100184M16785758242258255252.642.463238155/150110234M20826566242462316453.503.284045170/165125234M20957576342468377454.353.915057180/175135234M201058788342670478655.294.806573205/200160238M201301091103428756410667.006.438089215/210170238M2

19、01401201213430757712068.077.5010010825020026/258M24/M2216814915034.5328094140611.5110.80125133295240308M2720217517634.53698118172818.0217.09150159345/340280348M3024020320434.538108142206826.4525.29175194375/3703103412M3027023323434.5421101742321030.6329.61200219415/40534536/3412M33/M3030025926034.5441161982641039.6838.5122524543037036/3412M33/M3032528628734.5461202222901043.3442.3225027347040036/4112M33/M3635231231334.5481222463161053.6452.4730032553046036/4116M33/M3641236336444.55413629437012