焊接平式鋼制法蘭盤標準尺寸表（Pg=10Kg/cm2） （I.OMPa）單位（mm）公稱直徑管子外徑 （法蘭內(nèi) 徑）法蘭盤焊接螺栓管子外徑 和法蘭盤 內(nèi)徑之間 最大距離法蘭盤外 徑和公差螺栓中 心距直 徑和公差連接凸緣密封表面法蘭 盤厚 度及 公差螺栓 孔直 徑及 公差法蘭盤 重量（Kg）焊縫高度管壁最小厚度法蘭 盤管 端距 離數(shù)量螺紋長度直徑高度溝紋 間的 距離溝紋寬度溝紋 數(shù)dhD2gg1BdQKSHeDgDD1hn一+0.87一+0.74,J0.4310140.43906040412120.464M1245 :+0.43214334亠 +0.87八 +0.74,J0.43,+0.4315180.52956545 1241212140.613344M124520250.52105+0.8775+07458241214+0.4314+0.430.753344M1245,+0.87小 +0.87,+0.43,+0.4325320.621158568241214140.8943.554M1245+1.0+0.87+0.43+0.5232380.621351007821216181.4043.554M1655 :40450.62+1 0145/ / c+0.89110883412/ c+0.5218/ c+0.52181.7143.554M166050570.74,"+1.0160"l+1.01251023412/ c+0.5218/ c+0.52 1182.0943.554M166070760.74/ cc+1.15180+1 01451223412“+0.5220+0.52182.845464M1665+ 1.15+1.0+0.52+0.5280890.87195160138351320183.245464M16651001080.87l+1.15215/ cc+1.15180158351322+0'2/ c+0.52 1184.015468M16701251331.0 l+1.15245 c+1.15210188351324+0.52/ +0.521185.405468M16701501591.0ccc+1.35280c "+1.15240212351324+0.52cc+0.52236.1254.568M2075+ 1.35+ 1.35+0.52+0.522002191.0335295268351324238.247688M20752502731.0ccc+1.55390clc+1.353503203513“+0.5226cc+0.522310.7981012M20803003251.0,“+1.55440"c+1.554003704513“+0.5228cc+0.522312.9981012M20903503791.0lcc+1.8500"c+1.554604304513“+0.5228cc+0.522315.71091116M2090+1.8+1.8+0.62+0.524004261.05655154824513302521.81091116M22904504782.0l+1.8615+1 85655324513“+0.63025+0.5224.41091120M22905005292.0crc+20670ccc+1.86205854513cc+0.623225+0.5227.71091120M221006006302.0"c+20780+1 87256855513“+0.623630+0'239.41091120M27100單位（mm）圖號：1B503-3管子公稱 直徑管子外徑 （法蘭內(nèi) 徑）法蘭盤法蘭重量管子外徑 和法蘭盤 內(nèi)徑之間 最大距離螺栓中心 距直徑和 公差法蘭盤 外徑和 公差法蘭盤 厚度及 公差螺栓孔螺栓直徑 及公差焊接縫隙焊縫高度孔徑螺栓數(shù)量DgdoeD1DbdHK1K2(Kg):200219129533518238M208686.72582731350390202312M208688.23003251395435202312M2086109.33503771.5445485202312M2086109.94004261.5495535202316M20861011.24504781.5550590202316M208610135005291.5600640202316M20861014.16006301.5705755202520M22861018.97007201.5810860202524M27861024.48008202920975203024M27861030.4900920210201075203024M27108103410001020211201175203028M271081037.211001120212201280243032M271081053.812001220213401400243432M301081061.4130013202.514401500243432M301081066.4140014202.515601620243436M301081280.4150015202.516601720243436M301081286160016202.517601820243440M301081291180018202.519702045244144M3610812113200020202.521802265284848M4210812156220022202.523902475284852M4210812176240024202.526002685284856M4210812204Pg=1kgf/cm2平式鋼制法蘭說明：1. 法蘭盤材料為A3,電焊條用T422.2. 法蘭盤表面應(yīng)是光滑的，不得有氣泡 裂縫斑點、毛刺及其他降低法蘭強度和 法蘭連接可靠性的缺陷。3. 法蘭所用的螺栓、螺母及墊片見1B503-13本表中法蘭重量一項不包括 螺栓螺母的重量。4. 表中尺寸D1、D d及螺栓孔數(shù)確定原 則如下：Dg200 Dg250系列按JB78-59 ，Pg=10Kgf/cm2確定，以便于 配 Pg=10kg/cm2的 閥門；Dg300-Dg2400系列按JB78-59,Pg=6Kgf/cm2確定，以便于配 /專用閥門。%5.尺寸D1、d的公差按GB159-59勺8級精度，尺寸D b的公差按GB159-59勺9級精 度，相鄰兩螺栓孔之間的弦長允許偏差為土 0.6mm任意兩 螺栓孔之間的弦長總偏差為當Dg< 500m時，不超過土 1mm;當 Dg=600-1200m 時，不超過土 1.5mm; 當 Dg=1300-1400m 時，不超過土 2mm.單位（mm）公稱直 徑管子外 徑（法蘭 內(nèi)徑）法蘭盤焊接螺栓管子外徑法蘭盤外 徑和公差螺栓中 心距直 徑和公差連接凸緣密封表面法蘭 盤厚 度及 公差螺栓 孔直 徑及 公差法蘭盤 重量（Kg）焊縫高度管壁最小厚度法蘭 盤管 端距 離數(shù)量螺紋長度和法蘭盤 內(nèi)徑之間 最大距離直徑高度溝紋 間的 距離溝紋寬度溝紋 數(shù)DgdhDD1D2hgg1BdQKSHne10140.4375+07450+0.74352412"+0.4312c+0.43120.313344M104015180.5280+0'755+074 1402412"+0.4312c+0.43120.343344M104020250.52+0.9790+0.7465502412+0.4314+0.43120.543344M104525320.62"c+0.8710075+074602412彳,+0.4314c+0.43120.6443.554M104532380.62"c+1.0120+0.8790702412"+0.4316彳 x+0.43141.1043.554M125040450.62"c+1.0130"c+0.87100803412"+0.4316彳 x+0.43141.2243.554M125050570.74+1.0140+0.87110903412+0.4316+0.43141.3543.554M125070760.74"c+1.0160"c+1.01301103412"+0.4316彳 x+0.43141.675464M125080890.87/ cl+1.10185/ Lc+1.01501283513"+0.5218/ c+0.52182.485464M16601001080.87“l(fā)+1.15205,"+1.01701483513"+0.5218/ c+0.52182.895464M16601251331.0+1.15235ccc+1.152001783513cc+0.5220丿 c+0.52183.945468M16651601591.0c“+1.35260ccl+1.152252023513"+0.5220/ c+0.52184.4754.568M16652002191.0l+1.35315280+1.352583513cc+0.522218+0'28.077688M16702502731.0370+1.55335+1.35312351324+0.5218+0.528.03981012M16703003251.0+1.65435+1.553953654513+0.5224+0.522310.3981012M20753503791.0"l+1.59485>l"+1.554454154513cc+0.5226"+0.522312.61091112M20804004261.0+ 1 8535 1.8"l+1.554954654513cc+0.5228"+0.522315.21091116M20904504782.0lcc+1.8590llc+1.85505204513"+0.5228"+0.522317.61091116M20905005292.0+2.0640+ 1.86005704513+0.5230+0.522320.71091116M20906006302.0+2.0755fcl+207056705513“+0.623025+0.5226.61091120M22907007202.0860“c+2.2810775561.53cc+0.623225+0.5237.11091124M221008008202.0975ccc+2.2920880561.53cc+0.623230+0'246.21091124M271009009202.0+2.41075+2.41020980561.53+0.6234+0.623055.11091124M27110100010202.0+2 41175 .+2 41120 .1080561.53cc+0.6236cc+0.623057.31091128M27110Pg=6Kgf/cm2鋼制平式法蘭使用范圍試驗壓力P (用t<100 C的水柱壓)Kg/cm29在介質(zhì)溫度C為右欄 所示時取大工作壓力Kg/cm2曲009以內(nèi)6在25OP以內(nèi)5.5/I.3001CW 內(nèi)5公稱直徑Dg(mm)10-1000單位（mm）圖號：1標2001公稱直徑管子外徑 （法蘭內(nèi) 徑）法蘭盤焊接螺栓管子外徑 和法蘭盤 內(nèi)徑之間 最大距離法蘭盤外 徑和公差螺栓中 心距直 徑和公差連接凸緣密封表面法蘭 盤厚 度及 公差螺栓 孔直 徑及 公差法蘭盤 重量（Kg）焊縫高度管壁最小厚度法蘭 盤管 端距 離數(shù)量螺紋長度直徑高度溝紋 間的 距離溝紋寬度溝紋 數(shù)DgdhDD1D2hgg1BdQKSHne10140.43+0.8790+0.7460402412+0.4314+0.43140.553344M124515180.5295+0.8765+0.7445241214+0.4314+0.430.713344M124520250.52105+0.8775+074582412"+0.4316彳 x+0.43140.873344M125025320.62 u+0.8711585+0.87682412/ c+0.5218彳 x+0.43141.1743.554M125532380.62+1.0135*cc+0.87100782513丿 c+0.5218* c+0.52181.6043.554M166040450.62+1 0145/ / c+0.89110883513"+0.5220/ c+0.52182.0043.554M166550570.74"c+1.0160cl+1.0125102351322+0'2/ c+0.52182.6143.554M167070760.74/ cc+1.15180+1 0145122351324+0.52/ c+0.52183.455464M167080890.87cl+1.15195"c+1.0160138351324+0.52/ c+0.52183.715468M16701001080.87l+1.15215/ cc+1.151801583513"+0.5226/ c+0.52184.85468M16751251331.0 l+1.15245 c+1.152101883513"+0.5228/ c+0.52186.475468M16801501591.0"c+1.35280c "+1.152402123513"+0.5228cc+0.52237.9254.568M20902002191.0+ 1.35335+ 1.352952683513+0.6230+0.522310.176812M20902502731.0"l+1.55405355+1.353203513cc+0.623225+0.5215.7981012M221003003251.0"c+1.55460410+1.59378461.5332+0'225+0.6218.1981012M221003503791.0lcc+1.8520,c+1.56470438461.5334+0.6225+0.5223.31091112M221004004261.0lcc+1.8580+1 8525 1.8490461.5338+0'230+0'231.01091116M271104504782.0c+20640lcl+1.8585550461.5342+0.6230+0'240.21091120M271205005292.0fcl+20705clc+2.0650610461.53"+0.624834+0.6255.11091120M301406006302.0c"+2.2840“c+2.0710720561.54lc+0.625041+0.6280.31091122M36150Pg=16Kgf/cm2鋼制平式法蘭1L使用范圍試驗壓力P (用t<100 C的水柱壓)Kg/cm224在介質(zhì)溫度C為右欄 所示時取大工作壓力Kg/cm2在200C以內(nèi)16在250C以內(nèi)15在300C以內(nèi)13公稱直徑Dg(mm)10-600單位（mm）圖號：1標3795公 稱 直 徑連 管 的 突 出 長 度連接管法蘭盤加強環(huán)焊接螺栓重量（Kg）連 管 的 直 徑壁厚當R=350時高 度法蘭 盤突 出部 分連 管端 部的 距離外徑螺 栓 圓 周 直 徑密 封 面 直 徑法蘭盤的厚度螺 栓 孔 的 直 徑外徑設(shè)備壁之厚度數(shù) 量直徑環(huán)m=10mm管子長100mm法盤810121416182022DghdsanDKgLeD1環(huán)的厚度1010014314906040161434M120.080.651510018314956545161434M120.110.7320100253141057558181434M120.161.0425100323.5161158568181454M120.291.2532100383.51614010078181854M160.301.804010044.53.51615011088181854M160.352.0050100574.517160125102181864M160.382.207013076638185145122221813081012141618202278M160.691.043.308013089638200160138241816081012141618202278M161.081.234.20100150108758235190162282317081012141618202278M201.501.746.60.125180133758290220188302524081012141618202278M222.492.188.901501801598910300250218302529081012141618202298M223.632.9810.62002002199181136031029832254008101214161820221012M226.954.6614.2 .2502202739281142537033534305108101214161820221012M2711.55.8619.43002203259401148543039036306108101214161820221016M2716.57.0124.5DD11. 加強環(huán)材料A2或A3,管子按冶11-57A10;2. 法蘭盤按標準1標-2002 ;3. 電弧焊或氣焊均可；4. 電弧焊時使用電焊條42;5. 氣焊時氣焊條15；帶有突出部和凹入部的鋼制對頭焊接法蘭盤Pg=64Kg/cm2圖號：1標-2009尺寸表公稱管法蘭盤雙頭螺栓直徑子外外徑與內(nèi)徑與連接突出部突出部凹入部突出部凹入部法蘭高雙頭頸法蘭盤重量Kg數(shù)螺長徑公稱公稱直徑高度直徑與r直徑與突出部的高度盤的度螺栓外最倒圓半帶突帶凹量紋度公差公差凹入部的深度厚度孔直徑大徑出部入部與公差與公徑與直差公差徑DgdHDd1D2hD3D4H1LhdDnDmQQhL+0.87-0.50.34+0.34+0.52+0.431014100850234354 ± 0.518I 4814153441.051.04M1255：“亠 +0.870.50.34八+0.34“ +0.52“ +0.4315181051255239404 ± 0.5184814193851.181.114M1255 :+1 00.5 0.4+0 4一+0 52一+0 522025125186825051 0.44 ± 0.520P 5618264851.871.764 ：M1665+1 00.5 0.4+0 4+0 52+0 5225321352578257584 ± 0.522I 581833525P 2.362.224M1670+1.00.5 0.4+0.4+0.52+0.5232381503185265664 ± 0.5246223396453.152.994M2075+1.00.5 0.4+0.4+0.52+0.5240451653796375764 ± 0.5246823467453.803.674M2075+1.00.50.46+0.46+0.52+0.52505717547106387884 ± 0.5261 7023588654.764.54M2080一八+1.15八0.5“ 0.46“ +0.46一+0.52亠小+0.5270762006413231091104 ± 0.52875237710666.436.058M2090+1.150.5 0.53+0.53+0.62+0.5280892107714231201214 ± 0.53075239012067.4378M2090+1.150.5 0.53+0.53+0.62+0.521001082508417031491504.5± 0.5321 8025100140611.310.58 1M20100：+1 35 0.5 0.53+0 53+0 62+0 6212513329511020531751764.5± 0.53698301351728P 17.516.68M27110 I+1.35 0.50.6+0.6+0.62+0.6215015934014224032032044.5± 0.53811034161206825.324.18M30120 I+1.55 0.50.6+0.6+0.62+0.6220021940519830032592604.5± 0.540116342222641037.535.912M30130：+1 551 0 0 68+0 68+0 62+0 62250273470246355 n33123134.5± 0.5481224127831610P 52.460.312M36140 I一+1.81.0 0.76一 +0.76+0.74,+0.6230032553029441543633644.5± 0.554136413303701270.868.316M36160 ：_ +181.0 0.76一+0 76一+0 74“ +0 6235037759534247044214225 ± 0.5601544138243012103.599.816M36170 I+2 01.0 0.76+0 76+0 74+0 6240042667038652544734745 ± 0.566170484324841214213716M42180 IPg=64Kgf/cm2帶有突出部和凹入部鋼制對頭法蘭盤DmDn士 0.5使用范圍D3D2D1D武臨圧力p （用tciooic的水札忌】24孫2K忙（U內(nèi) 舟滄廁泥慮于九叭嚴-16所示時量大丄柞壓力&2S0Tlil內(nèi)Kg/cm215<i 3C0T.以內(nèi)13公稱宵徑Dg <mm）1D-600