带颈平焊钢制法兰（欧洲体系）PN0.6MPa,HG/T20592-2009(例题,表注符号：SO250(B)—0.6RF，材质Q245，标准：HG/T20592-2009)公称直径(DN)钢管外径连接尺寸法兰厚度(C)法兰高度（H）理论重量（kg）A系列B系列法兰外径（D）螺栓孔中心圆直径（K）螺栓孔直径（D1）螺栓孔数量（n）螺栓长度（TH）1017.2147550114M10×5012200.381521.3188055114M10×5012200.442026.9259065114M10×5014240.662533.73210075114M10×5014240.813242.43812090144M12×5516261.324048.345130100144M12×5516261.555060.357140110144M12×5516281.736576.1(73)76160130144M12×5516322.238088.989190150184M16×6518343.32100114.3108210170184M16×6518404.06125139.7133240200188M16×6518445.26150168.3159265225188M16×7020446.37200219.1219320280188M16×7522447.982502732733753351812M16×80244410.3300323.93254403952212M20×85244414.1带颈平焊钢制法兰（欧洲体系）PN1.0MPa公称直径DN钢管外径连接尺寸法兰厚度C法兰高度（H）理论重量（kg）A系列B系列法兰外径（D）螺栓孔中心圆直径（K）螺栓孔直径（D1）螺栓孔数量（n）螺栓长度（TH）1017.2149060144M12×5514220.651521.3189565144M12×5514220.722026.92510575144M12×6016261.032533.73211585144M12×6016281.243242.438140100184M16×6518302.024048.345150110184M16×6518322.365060.357165125184M16×7020323.086576.1(73)76185145184M16×7020343.668088.989200160188M16×7020344.08100114.3108220180188M16×7522405.4125139.7133250210188M20×8022447.01150168.3159285240228M20×8524449.1200219.1219340295228M20×85244410.62502732733953502212M20×85264613.4300323.93254454002212M20×85264615.4350355.63775054602216M20×85265320.5400406.44265155152616M24×90265727.6450457.44805655652620M24×95286331.15005085306206202620M24×95286738.16006106307257253020M27×100287548.1带颈平焊钢制法兰（欧洲体系）PN1.6MPa公称直径DN钢管外径连接尺寸法兰厚度C法兰高度（H）理论重量（kg）A系列B系列法兰外径（D）螺栓孔中心圆直径（K）螺栓孔直径（D1）螺栓孔数量（n）螺栓长度（TH）1017.2149060144M12×5514220.651521.3189565144M12×5514220.722026.92510575144M12×6016261.032533.73211585144M12×6016281.243242.438140100184M16×6518302.024048.345150110184M16×6518322.365060.357165125184M16×7020343.086576.1(73)76185145184M16×7020323.668088.989200160188M16×7020344.08100114.3108220180188M16×7522405.4125139.7133250210188M16×7522447.01150168.3159285240228M20×8524449.1200219.12193402952212M20×85244410.32502732734053552612M24×90264614.3300323.93254604102612M24×95285318.8350355.63775204702616M24×100305725.2400406.44265805253016M27×105326334.8450457.44806405853020M27×110346841.25005085307156503320M30×115347354.96006106308407703620M33×125368377带颈平焊钢制法兰（欧洲体系）PN2.5MPa公称直径DN钢管外径连接尺寸法兰厚度C法兰高度（H）理论重量（kg）A系列B系列法兰外径（D）螺栓孔中心圆直径（K）螺栓孔直径（D1）螺栓孔数量（n）螺栓长度（TH）1017.2149060144M12×5514220.651521.3189565144M12×5514220.722026.92510575144M12×6016261.032533.73211585144M12×6016281.243242.438140100184M16×6518302.024048.345150110184M16×6518322.365060.357165125184M16×7020343.086576.1(73)76185145188M16×7022383.938088.989200160188M16×7524404.86100114.3108235190228M20×8024446.91125139.7133270220268M24×9026489.34150168.3159300250268M24×95285212.2200219.12193603102612M24×10305215.62502732734253703012M27×105326021.9300323.93254854303016M27×110346728.8350355.63775554903316M30×120387242.4400406.44266205503616M33×130407857.4450457.44806706003620M33×130428463.75005085307306603620M33×135449081.46006106308457703920M36×14046100109.4带颈平焊钢制法兰（欧洲体系）PN4.0MPa公称直径DN钢管外径连接尺寸法兰厚度C法兰高度（H）理论重量（kg）A系列B系列法兰外径（D）螺栓孔中心圆直径（K）螺栓孔直径（D1）螺栓孔数量（n）螺栓长度（TH）1017.2149060144M12×5514220.651521.3189565144M12×5514220.722026.92510575144M12×6016261.032533.73211585144M12×6016281.243242.438140100184M16×6518302.024048.345150110184M16×6518322.365060.357165125184M16×7020343.086576.1(73)76185145188M16×7022383.938088.989200160188M16×7524404.86100114.3108235190228M20×8024446.91125139.7133270220268M24×9026489.34150168.3159300250268M24×90285212.2200219.12193753203012M27×105345619.42502732734503853312M30×120386430.5300323.93255154503316M30×130427142.9350355.63775805103616M33×140467858.6400406.44266605853916M36×150508688.3450457.44806856103920M36×165579496.65005085307556704220M39×17057100106.26006106308907954820M45×20572106171.2法兰表注方式:无缝管法兰SO100（B）-1.6RF、焊接管法兰SO125-1.6RF2009版规定采用B系列钢管法兰，应在公称尺寸后面DN的数值后面标记“B”以示区别，A系列不必标识（A系列俗称英制，B系列为公制）。
