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1、国标法兰尺寸表 1.0MPa-2.5MPa 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 10149060144M1240212150.4615189565144M1245212190.51202510575144M1255214260.75253211585144M1265214330.893238140/135100184M1678216391.404045150/14511
2、0184M1685318461.715057165/160125184M16100318592.096573185/180145184M16120320752.848089200/195160184M16135320913.24100108220/215180188M161553221104.01125133250/245210188 M161853241355.40150159285/280240238M202103241616.67175194310270238M202403241967.44200219340/335295238M202653242228.2422524536532523
3、8M202953242489.30250273395/3903502312M2032032627610.70300325445/4404002312M2036842832812.90350377505/5004602316M2042842838016.9040042656551526/2516M24/M2248243043021.8045048061556526/2520M24/M2253243048424.4050053067062026/2520M24/M2258543253427.706006307807253020M2768553663439.407007208958403024M27
4、800536715538008201015/10109503424M30905538817679009201115/111010503428M30100553891876参考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
5、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 10149060144M1240214150.5515189565144M1245214190.71202510575144M1255216260.87253211585144M1265218331.183238140/135100184M1678218391.604045150/145110184M1685320462.005057165/160125184M16100322592.616573185/180145184M16120324753.458089200/195160188M16
6、135324913.71100108220/215180188M161553261104.80125133250/245210188M161853281356.47150159285/280240238M202103281617.92175194310270238M202403281968.81200219340/3352952312M2026533022210.102252453653252312M2029533024811.7025027340535526/2512M24/M2232033227615.7030032516041026/2512M24/M2237543232818.1035
7、0, 37752047026/2516M24/M2243543438023.304004265805253016M2748543843031.004504806405853020M2754544248440.20500530715/7056503420M3060844853455.7060063084077036/4120M33/M3671855063480.8070072091084036/4124M33/M36788550724106.28008201025/102095039/4124M36898552824130.59009201125/1120105039/4128M36998544
8、92491参考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 10149060144M1240216150.641518
9、9565144M1245216190.80202510575144M1255218260.99253211585144M1265218331.183238140/135100184M1678220391.964045150/145110184M1685322462.605057165/160125184M16100324592.716573185/180145188M16120324753.228089200/195160188M16135326914.06100108235/230190238M201603281106.0012513327022026/258M24/M22188330135
10、8.2615015930025026/258M24/M2221833016110.4017519433028026/2512M24/M2224833219611.9020021936031026/2512M24/M2227833222214.502252453953403012M2730233424817.002502734253703012M2733233427618.903003254854303016M2739043632826.80350377555/5504904016M3044844238034.35400426620/61055036/3416M33/M3050544443044
11、.90450480670/66060036/3420M33/M3055544848451.9250053073066036/3420M33/M3661045253467.30600630845/8407704120M3671855663495.20700720960/95587542/4824M39/M42815560724116.08008201085/10709904824M45/M42930564824150.29009201185/1180109048/5428M45/M481025558924160参考100010201320/1305121055/5828M521140562102
12、4210参考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10149060144M1240343524163582640.7
13、70.6715189565144M12453940241635123050.870.77202510575144M12555051241636183851.090.97253211585144M12655758241638254551.311.183238140/135100184M16786566241845315652.171.984045150/145110184M168575763418, 48386452.512.145057165/160125184M161008788342048487653.342.926573185/180145188M16120109110342252669
14、664.343.858089200/195160188M161351201213424587811265.525.03100108235/230190238M2016014915034.526689613868.397.7112513327022026/258M24/M2218817517634.52868120160811.0610.2715015930025026/258M24/M2221820320434.53072145186814.1613.3017519433028026/2512M24/M2224823323434.536881772261021.8020.97200219360
15、31026/2512M24/M2227825926034.538882002501025.5624.722252453953403012M2730228628734.540982262801032.4831.602502734253703012M2733231231334.5421022523101039.8739.003003254854303016M2739036336444.5461163013681255.9753.21350377555/5504903416M3044842142245521203514181275.3072.29400426620/61055036/3416M33/
16、M30505473474455814239848012112.02108.44450480670/66060036/3420M33/M30555523524456014644853014112.82109.7050053073066036/4120M33/M36610575576456215649558015142.70138.6060063089079548/5420M45/M48730675/677676/67856621765957002016716070072099590048/5424M45/M48825777/767778/76856682006807802027526580082
17、0140/113510305824M52960882875883/876567622078091022410400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101410070144M1250343524184883441.121.02151810575144M12553940241848123
18、851.251.142025130/12590184M166850512420, 56184852.121.952532140/135100184M16785758242258255252.642.463238155/150110234M20826566242462316453.503.284045170/165125234M20957576342468377454.353.915057180/175135234M201058788342670478655.294.806573205/200160238M201301091103428756410667.006.438089215/210170
19、238M201401201213430757712068.077.5010010825020026/258M24/M2216814915034.5328094140611.5110.80125133295240308M2720217517634.53698118172818.0217.09150159345/340280348M3024020320434.538108142206826.4525.29175194375/3703103412M3027023323434.5421101742321030.6329.61200219415/40534536/3412M33/M30300259260
20、34.5441161982641039.6838.5122524543037036/3412M33/M3032528628734.5461202222901043.3442.3225027347040036/4112M33/M3635231231334.5481222463161053.6452.4730032553046036/4116M33/M3641236336444.5541362943701273.1069.97350377600/5955254116M36475421422456015434243012103.50108.4440042667058542/4816M39/M4252
21、5473474456617038648412143.30138.904504807156304820M4257052352445701864405401516015550053080070548/5420M456405755764570200485595182152106006309308205820M52750675/677676/678567622058571018320310 凹凸面对焊钢制管法兰 PN 10.0MPa(100bar) 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
22、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101410070144M1250343524184583441.121.01151810575144M12553940242048, 123851.371.262025130/12590184M16685051242256184852.302.132532140/135100184M16785758242458255252.862.673238155/150110234M20826566242462316453.503.284045170/16512523
23、4M20957576342670377654.724.28505719514526/254M24/M221128788342872458656.586.02657322017026/258M24/M221381091103432846211069.208.60808923018026/258M24/M2214812012134349075124610.619.97100108265210308M2717214915034.53810092146615.5414.70125133315/310250348M3021017517634.542115112180825.1024.0015015931
24、5/3502903412M3025020320434.546130136214834.4333.26175194385/3803203412M3028023323434.5481351662461041.6040.4720021943036036/4112M33/M3631225926034.5541451902761057.1455.802252454704004112M3635228628734.5561652123121073.3071.90250273505/5004304112M3638231231334.5601702363401089.3087.9030032558550042/
25、4816M39/M4244236336444.57019528440012107.45130.1035037766556048/5416M45/M48498421422457621033246012186.00175.2040042671562048/5416M45/M48558473474458022037651012223.50218.50 环连接面对焊钢制管法兰 PN 16.0MPa(160bar) MM 机械行业标准JB/T82.4-94 公称通径DN 管子外径A 连接尺寸法兰厚度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 螺栓孔中心圆直径K 螺栓
26、孔直径L螺栓、螺柱dPFErmax数量n 螺纹Th151811075184M16523596.50.82450114041.77202513090234M20624596.50.82655184542.562532140100234M20725096.50.82855235243.263242165115254M22856596.50.83060326254.844048175125274M24927596.50.83265377455.875060215165258M22132951280.8369048106510.846573245190308M271521101280.84410562
27、128816.678089260205308M271681301280.84611070138819.73100114300240348M302001601280.84812090170828.06125146355285418M362381901280.8601401182061046.301501683903184112M3627020514100.8661551362341060.451751944603804812M4232525517110.8761801582701096.57200219484004812M4234527517110.87818517829810109.30225
28、2455454505412M4839030517110.88221520034610156.402502735804855412M4842533017110.88823022438010191.603003256655705416M4851038023140.810027526846010300.60C型钢规格表各行数字含义（以C8040x202.5为例）：截面高度H=80mm； 截面宽度B=40mm； 卷边宽度C=20mm； 厚度t=2.5mm；规格 重量（kg/m） 规格 重量（kg/m） 8040202.5 3.92518060203 8.0078040203 4.7118070202.
29、5 7.06510050202.5 4.7118070203 8.47810050203 5.65220050202.5 6.67312050202.5 5.10320050203 8.00712050203 6.12320060202.5 7.06512060202.5 5.49520060203 8.47812060203 6.59420070202.5 7.45812070202.5 5.88820070203 8.94912070203 7.06522060202.5 7.456714050202.5 5.49522060203 8.94914050203 6.59422070202.
30、5 7.8516050202.5 5.88822070203 9.4216050203 7.06525075202.5 8.63416060202.5 6.2825075203 10.36216060203 7.53628080202.5 9.4216070202.5 6.67328080203 11.30416070203 8.00730080202.5 9.81318050202.5 6.2830080203 11.77518050203 7.53618060202.5 6.673镀锌管规格表镀锌管规格表如下：镀锌钢管分热镀锌和电镀锌两种，热镀锌镀锌层厚，具有镀层均匀，附着力强，使用寿命长等优点。电镀锌成本低，表面不是很光滑，其本身的耐腐蚀性
