實(shí)用標(biāo)準(zhǔn)法蘭盤尺寸表(Pg=0.1~6.4MPa)

1、實(shí)用文檔焊接平式鋼制法蘭盤標(biāo)準(zhǔn)尺寸表(pg=ioKg/cm)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 差連接凸緣密封表囿法蘭 盤厚 度及 公差螺栓 孔直 徑及 公差法蘭盤(Kg)焊縫 高度管壁 最小 厚度法蘭端距 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)DgdhDD1D2hggiBdQKSHne10140.43八八+0.879060+0.74402412/ c+0.4312d X +0.43140.463344M124515180.52-l+0.879565+0.74452412/ c

2、+0.4312d X +0.43140.613344M124520250.52/ cl+0.8710575+0.74582412d ,0.4314d X +0.43140.753344M124525320.62d d 廠+0.87115cl+0.8785682412d ,0.4314d X +0.43140.8943.554M124532380.62/ cl+1.0135) -+0.8710078241216+0.4318+0.521.4043.554M165540450.62+ + l+1.0145110+0.8988341218+。.5218+0.521.7143.554M16605057

3、0.74/ cc + 1.0160/ cl+1.01251023412/ c+0.5218/ c+0.52182.0943.554M166070760.74/ c".15180 /u+1.01451223412c+0.5220/ c+0.52182.845464M166580890.87“l(fā) + 1.15195/ cc+1.01601383513cc+0.5220/ c+0.52183.245464M16651001080.87l + 1.15215/ cc+1.15180158351322+0.52/ c+0.52184.015468M16701251331.0c / l + 1.

4、15245210+10.5218+0.525.405468M16701601591.0280+1.35240+10.5223+0.526.1254.568M20752002191.0335+1.35295+1.35268351324+0.5223+0.528.247688M20752502731.0390+1.55cl-+1.353503203513cc+0.5226cc+0.522310.7981012M20803003251.0, ,".55440sc+1.554003704513cc+0.5228cc+0.522312.998

5、1012M20903503791.0+1.8500+1.554604304513+0.5228+0.522315.71091116M20904004261.0_ +18565515+1.84824513+0.623025+0.5221.81091116M22904504782.0615+1.8565+1.8532451330+0.625+0.5224.41091120M22905005292.0670+2.0620+1.8585451332+0.6225+0.5227.71091120M221006006302.0780+2.0725+1.8685551336+0.6230+0.5239.41

6、091120M27100焊接平式鋼制法蘭盤標(biāo)準(zhǔn)尺寸表（pg=iKg/cm）單位（mm圖號(hào)：1B503-3管子公稱 直徑管子外徑（法蘭內(nèi) 徑）法蘭盤管子外徑螺栓中心 距直徑和 公差法蘭盤 外徑和 公差厚度及 公差螺栓孔螺栓直徑 及公差焊接縫隙焊縫高度和法蘭盤 內(nèi)徑之間 最大距離孔徑螺栓數(shù)量DgdeeD1DbdHK1K2(Kg)200219129533518238M208686.72582731350390202312M208688.23003251395435202312M2086109.33503771.5445485202312M2086109.94004261.5495535202316M

7、20861011.24504781.5550590202316M208610135005291.5600640202316M20861014.16006301.5705755202520M22861018.97007201.5810860202524M27861024.48008202920975203024M27861030.4900920210201075203024M27108103410001020211201175203028M271081037.211001120212201280243032M271081053.812001220213401400243432M301081061

8、.4130013202.514401500243432M301081066.4140014202.515601620243436M301081280.4150015202.516601720243436M301081286160016202.517601820243440M301081291180018202.519702045244144M3610812113200020202.521802265284848M4210812156220022202.523902475284852M4210812176240024202.526002685284856M4210812204Pg=1kgf/cm

9、2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(diǎn)、毛刺及其他降低法蘭強(qiáng)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(xiàng)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 Dg25信列按 JB78-59,Pg=10Kgf/cm醐定，以便于配Pg=10kg/cm2勺閥門；Dg300-Dg240原列按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%級(jí)精 度，尺寸D b的公差按GB159-599級(jí)精

10、 度，相鄰兩螺栓孔之間的弦長允許偏差為± 0.6mm任意兩 螺栓孔之間的弦長總偏差為當(dāng) Dg< 500mm 不超過± 1mm;當(dāng) Dg=600-1200m時(shí)，不超過± 1.5mm;當(dāng) Dg=1300-1400m時(shí)，不超過± 2mm.焊接平式鋼制法蘭盤標(biāo)準(zhǔn)尺寸表（Pg=6Kg/cm）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 差連接凸緣密封表囿法蘭 盤厚 度及 公差螺栓 孔直 徑及 公差重量(Kg)焊縫 高度管壁 最小 厚度法蘭 X 端距 離數(shù)量螺紋長度直

11、徑高度溝紋 間的 距離溝紋 寬度溝紋 數(shù)DgdhDD1D2hgg1BdQKSHne10140.4375+0.7450+0.74352412/ c+0.4312/ c+0.43120.313344M104015180.52P 80+0.8755+0.74402412/ c+0.4312/ c+0.43120.343344M104020250.52+0.9790+0.7465502412+0.4314+0.43120.543344M104525320.62/ cc+0.8710075+0.74602412d X +0.4314/ c+0.43120.6443.554M104532380.62120

12、+1.090+0.8770241216+0.43d X +0.43141.1043.554M125040450.62130+1.0100+0.8780341216+0.434 /+0.43141.2243.554M125050570.74)/c+1.0140/ / c+0.87110903412/ c+0.4316d X +0.43141.3543.554M125070760.74) "+1.0160/ cc+1.01301103412/ c+0.4316d X +0.43141.675464M125080890.87/ cl+1.10185/ l-+1.01501283513/ c

13、+0.5218/ c+0.52182.485464M16601001080.87ccl+1.15205/ rc+1.01701483513/ c+0.5218/ c+0.52182.895464M16601251331.0+ 1.15235+1.152001783513+0.5220+0.52183.945468M16651601591.0260+1.35ccl+1.152252023513c+0.522018+0.524.4754.568M16652002191.0315+1.35280+1.35258351322+0.5218+0.528.077688M16702502731.0crc+1

14、.55370ccl+1.35335312351324+0.52/ c+0.52188.03981012M16703003251.0+ 1.65435+1.55395365451324+0.52cc+0.522310.3981012M20753503791.0,cl+1.59485/u+1.554454154513cc+0.5226cc+0.522312.61091112M20804004261.0_+18535sl+1.554954654513cc+0.5228cc+0.522315.21091116M20904504782.0590+1.8550+1.8520451328+0.5223+0.

15、5217.61091116M20905005292.0640+2.0600+1.8570451330+0.5223+0.5220.71091116M20906006302.0+2.0755-cl+2.07056705513cc+0.623025+0.5226.61091120M22907007202.0cc-+2.2860c / c+2.2810775561.53cc+0.623225+0.5237.11091124M221008008202.0cr l+2.2975+2 2920880561.5332+0.62cc+0.623046.21091124M271009009202.0_+2 41

16、075+2 41020980561.5334+0.62cc+0.623055.11091124M27110100010202.0+2 41175+2 411201080561.5336+0.62cc+0.623057.31091128M27110Pg=6Kgf/cm2鋼制平式法蘭使用范圍試驗(yàn)壓力P (用t<100C的水柱壓)Kg/cm29在介質(zhì)溫度c為右欄 所示時(shí)最大工作壓力 Kg/cm2在200匕以內(nèi)6在25。日以內(nèi)5.5在300C以內(nèi)5公稱直徑Dg(mm)10-1000焊接平式鋼制法蘭盤標(biāo)準(zhǔn)尺寸表(Pg=16Kg/cm)單位(mm圖號(hào)：1標(biāo)2001公稱直徑管子外徑(法蘭內(nèi) 徑)法蘭盤

17、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 差連行泗緣密封表囿法蘭 盤厚 度及 公差螺栓 孔直 徑及 公差法蘭盤(Kg)焊縫 高度管壁 最小 厚度法蘭端距 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+0.879060+0.74402412d ,0.4314d X +0.43140.553344M124515180.52-l+0.879565+0.74452412d .0.4314d X +0.43140.713344M124520250.52/ cl+0.8710575+0.7

18、4582412/ c+0.4316d X +0.43140.873344M125025320.62d d u+0.87115cl+0.8785682412/ c+0.5218d X +0.43141.1743.554M125532380.62+1.0135+0.87100782513+0.5218+0.52181.6043.554M166040450.62145+1.°110+0.89883513c-+0.522018+0.522.0043.554M166550570.74160+1.0125+1.0102351322+0.5218+0.522.6143.554M167070760.

19、74/ cc + 1.15180+10145122351324+0.52/ c+0.52183.455464M167080890.87/ c+1.15195/ -八+1.0160138351324+0.52/ c+0.52183.715468M16701001080.87l + 1.15215/ cc+1.15180158351326+0.52/ c+0.52184.85468M16751251331.0c / l + 1.15245c+1.152101883513cc+0.5228/ c+0.52186.475468M16801501591.0280+1.35240+1.1521235132

20、8+0.5223+0.527.9254.568M20902002191.0335+1.35295+1.35268351330+0.6223+0.5210.176812M20902502731.0405+1.55355+1.35320351332+0.6225+0.5215.7981012M221003003251.0, 八".55460- 八+1.59410378461.5332+0.6225+0.6218.1981012M221003503791.0lcc + 1.8520- c+1.56470438461.5334+0.6225+0.5223.31091112M221004004

21、261.0lcc + 1.8580_5338+0.62cc+0.523031.01091116M271104504782.0C/c+2.0640lcl+1.8585550461.5342+0.6230+0.6240.21091120M271205005292.0705+2.0650+2.0610461.5348+0.6234+0.6255.11091120M301406006302.0840+2.2710+2.0720561.5450+0.62/ 4 +0.624180.31091122M36150Pg=l 6Kgf7cm2鋼制平式法蘭使用范圍試驗(yàn)壓力P (用t<

22、;100 C的水柱壓)Kg/cm224在介質(zhì)溫度C為右欄 所示時(shí)最大工作壓力 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焊接平式鋼制法蘭盤標(biāo)準(zhǔn)尺寸表（Pg=25Kg/cm）單位（mm圖號(hào)：1標(biāo)3795公 稱 直 徑連 管 的 突 出 長 度連接管法蘭盤加強(qiáng)環(huán)焊 接螺栓重里（Kg）連管 的直 徑壁 厚當(dāng)R=350 時(shí)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=10mr1管子長100mm法蘭 盤8101214161820

23、22DghdsanDKgLeD1環(huán)的厚度1010014314906040161434M120.080.651510018314956545161434M120.110.7320100253141057558181434M120.161.0425100323.5161158568181454M120.291.2532100383.51614010078181854M160.301.804010044.53.51615011088181854M160.352.0050100574.517160125102181864M160.382.20701307663818514512222181308101

24、2141618202278M160.691.043.308013089638200160138241816081012141618202278M161.081.234.20100150108758235190162282317081012141618202278M201.501.746.60125180133758290220188302524081012141618202278M222.492.188.901501801598910300250218302529081012141618202298M223.632.9810.6200200219918113603102983225400810

25、1214161820221012M226.954.6614.22502202739281142537033534305108101214161820221012M2711.55.8619.43002203259401148543039036306108101214161820221016M2716.57.0124.5DKD11 .加強(qiáng)環(huán)材料A減A3,管子按冶11-57A10;2 .法蘭盤按標(biāo)準(zhǔn)1標(biāo)-2002;3 .電弧焊或氣焊均可；4 .電弧焊時(shí)使用電焊條42;5 .氣焊時(shí)氣焊條15;帶有突出部和凹入部的鋼制對(duì)頭焊接法蘭盤Pg=64Kg/cm2圖號(hào)：1標(biāo)-2009尺寸表公稱 直徑管 子法蘭盤雙

26、頭螺栓外 徑外徑與 公稱內(nèi)徑與 公稱連接突出部突出部凹入部突出部凹入部法蘭 盤的 厚度 與公 差高 度雙頭 螺栓 孔直 徑與 公差頸法二盤重重 Kg數(shù) 量螺 紋長 度直徑高度直徑與 公差直徑與 公差突出部的高度 凹入部的深度 與公差外 徑最 大 直 徑倒圓半 徑帶突 出部帶凹 入部DgdHDd1D2hD3D4HLhdDnDmQQhL1014/ cc+0.871008-0.550234一0.3435+0.344 ±0.5/ c+0.521848d X +0.4314153441.051.04M12551518+0.871050.512552-0.3439+0.34404 ±0

27、.5+0.521848+0.4314193851.181.114M12552025125+1.018 0.568250 0.451+0.44 ±0.5cc+0.52205618+0.52264851.871.764M16652532135+1.025 0.578257 0.458+0.44 ±0.522+0.525818+0.52335252.362.224M16703238/ f+1.015031 0.585265 0.466+0.44 ±0.524+0.5262cc+0.5223396453.152.994M20754045)八l+1.016537 0.596

28、375 0.476+0.44 ±0.524+0.5268cc+0.5223467453.803.674M20755057+1017547 0.5106387 0.46"+0.46884 ±0.526+0.5270cc+0.5223588654.764.54M20807076ccc+1.1520064 0.51323) 0.46109/ / c+0.461104 ±0.5+0.522875cc+0.52237710666.436.058M20908089210+1.1577 0.51423/ CC 0.53120+0.531214 ±0.530+0.627523+0.529012067.4378M2090100108250+1.1584 0.5170314