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1、国标法兰尺寸对照表表凸面平焊钢制管法兰PN l.OMPa(lObar) MM公称通径DN管子外径A连接尺寸密封尺寸法兰C，丿、兰 径B法兰 理论 重扯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数址n螺纹Th.系列1/系列210149060144M1240212150. 4615189565144M1245212190.51202510575144M1255214260. 75253211585144M1265214330. 893238140/135100184M1678216391.401045150/145110184M1685318461.
2、715057165/160125184M16100318592. 096573185/180145184M16120320752. 818089200/195160184M16135320913. 24100108220/215180188M161553221104.01125133250/245210188M161853241355. 40150159285/280240238M202103241616. 67175191310270238M202403241967. 44200219340/335295238M202653242228. 24225245365325238M20295324
3、2489. 30250273395/3903502312M2032032627610.70300325445/4104002312M2036842832812.90350377505/5004602316M2042842838016.9010042656551526/2516M24/M2248213043021.8015048061556526/2520M24/M2253243048424. 4050053067062026/2520M24/M2258543253427.706006307807253020M2768553663439. 407007208958403024M278005367
4、15538008201015/10109503424M30905538817679009201115/111010503428M30100553891876参考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公称通彳令DN管子外径A连接尺寸密封尺寸厚度C沃兰径B法兰 理论 重量kg法兰管径D系列1/系列2螺栓孔中心恻 直径K螺
5、栓孔直径L系列1/系列2嫖栓、螺柱df数量n螺纹Th. 系列1/系列210149060144M1240214150. 5515189565144M1245214190.71202510575144M1255216260. 87253211585144M1265218331. 183238140/135100184M1678218391.601045150/145110184M1685320462. 005057165/160125184M16100322592. 616573185/180145184M16120324753. 458089200/195160188M16135324913.7
6、1100108220/215180188M161553261104.80125133250/245210188M161853281356. 47150159285/280210238M202103281617.92175194310270238M202403281968.81200219340/3352952312M2026533022210.102252453653252312M2029533024811.7025027340535526/2512M24/M2232033227615.7030032516041026/2512M24/M2237543232S18.10350,37752047
7、026/2516M24/M2213513138023.304004265805253016M2748543843031.004504806105853020M2754544248140. 20500530715/7056503420M3060844853155.7060063084077036/4120M33/M3671855063480.8070072091081036/4124M33/M36788550724106.28008201025/102095039/4124M36898552824130.59009201125/1120105039/4128M3699854492191参考100
8、010201255117042/4828M39/M4211105461024127参考11001120137012804228M3912225501124160参考120012201485139048/5432M15/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、二厚度C、二径B法兰理论 重址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数址n螺纹Th.系列1/系列210149060144M1240216150. 6115189565144M1245216190.
9、 80202510575144M1255218260. 99253211585144M1265218331. 183238140/135100184M1678220391.964045150/145110184M1685322462.605057165/160125184M16100324592.716573185/180145188M16120324753.228089200/195160188M16135326914.06100108235/230190238M201603281106. 0012513327022026/258M24/M221883301358. 26150159 30025026/258M24/M22218330161 】1017519133028026/2512M24/M2224833219611.9020021936031026/2512M24/M2227833222214.502252453953403012M2730233424817.002502734253703012M2733233427618.903003254854303016M2739043632826. 80350377555/5504904016M3044814238034. 35400426620/61055036/3416M33/M3050544443044.9015048067
