JB各种规格法兰尺寸标准.docx

公称直径

管子外径
（法兰内径）法兰盘焊接螺栓管子外径和法兰盘内径之间最大距离法兰盘外径和公差螺栓中心距直径和公差连接凸缘密封表面法兰盘厚度及公差螺栓孔直径及公差法兰盘重量（Kg）焊缝高度管壁最小厚度法兰盘管端距离数量螺纹长度直径高度沟纹间的距离沟纹宽度沟纹数DgdhDD1D2hgg1BdQKSHne10140.4390+0.8760+0.7440241212+0.4314+0.430.463344M124515180.5295+0.8765+0.7445241212+0.4314+0.430.613344M124520250.52105+0.8775+0.7458241214+0.4314+0.430.753344M124525320.62115+0.8785+0.8768241214+0.4314+0.430.8943.554M124532380.62135+1.0100+0.8778241216+0.4318+0.521.4043.554M165540450.62145+1.0110+0.8988341218+0.5218+0.521.7143.554M166050570.74160+1.0125+1.0102341218+0.5218+0.522.0943.554M166070760.74180+1.15145+1.0122341220+0.5218+0.522.845464M166580890.87195+1.15160+1.0138351320+0.5218+0.523.245464M16651001080.87215+1.15180+1.15158351322+0.5218+0.524.015468M16701251331.0245+1.15210+1.15188351324+0.5218+0.525.405468M16701501591.0280+1.35240+1.15212351324+0.5223+0.526.1254.568M20752002191.0335+1.35295+1.35268351324+0.5223+0.528.247688M20752502731.0390+1.55350+1.35320351326+0.5223+0.5210.7981012M20803003251.0440+1.55400+1.55370451328+0.5223+0.5212.9981012M20903503771.0500+1.8460+1.55430451328+0.5223+0.5215.71091116M20904004261.0565+1.8515+1.8482451330+0.6225+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+0.5239.41091120M27100焊接平式钢制法兰盘标准尺寸表（Pg=10Kg/cm2）
单位（mm）

焊接平式钢制法兰盘标准尺寸表（Pg=1Kg/cm2）

管子公称直径

管子外径
（法兰内径）法兰盘法兰重量
管子外径和法兰盘内径之间最大距离螺栓中心距直径和公差法兰盘外径和公差法兰盘厚度及公差螺栓孔螺栓直径及公差焊接缝隙焊缝高度
孔径螺栓数量Dgd0eD1DbdHK1K2(Kg)200219129533518238M208686.72582731350390202312M208688.23003251395435202312M2086109.33503771.5445485202312M2086109.94004261.5495535202316M20861011.24504781.5550590202316M208610135005291.5600640202316M20861014.16006301.5705755202520M22861018.97007201.5810860202524M27861024.48008202920975203024M27861030.4900920210201075203024M27108103410001020211201175203028M271081037.211001120212201280243032M271081053.812001220213401400243432M301081061.4130013202.514401500243432M301081066.4140014202.51