1、平焊钢制法兰标准及学习资料平焊钢法兰JB81-59Pg=0.6MPa公称通径管子外径法 兰螺 栓螺母单重（kg）焊 接法兰理论重量（kg）外径螺孔中心直径连接凸出直径凸出部分高度法兰厚度螺栓孔直径GB18-58焊接直角边长管壁最小厚度管与法兰边距数量直径与长度单重（kg）Dgd0DD1D2fbdKsH1014755032212124M10X380.0350.0113340.3131518805540212124M10X380.0350.0113340.3352025906550214124M10X400.0360.0113340.53625321007560214124M10X400.0360
2、.01143.550.64132381209070216144M12X480.0580.01643.551.097404513010080316144M12X480.0580.01643.551.219505714011090316144M12X480.0580.01643.551.3486573160130110316144M12X480.0580.0165461.678089185150120316184M16X550.1190.0325462.48100108205170145316184M16X550.1190.0325462.89125133235200175320188M16X60
3、0.1260.0325463.94150159260225200320188M16X600.1260.03254.564.37175194290255230322188M16X650.1340.0326675.50200219315280255322188M16X650.1340.0327686.02225245340305280322188M16X650.1340.0328796.72502733703353103241812M20X700.2390.03298108.033003254353953624242312M20X700.2390.061981010.335037748545541
4、24262312M20X750.2520.0611091113.54004265354954524282316M20X800.2640.0611091115.34504785905505064282316M20X800.2640.0611091117.535005296406005584302316M20X850.2760.0611091120.676006307557156705302520M20X850.3350.0731091126.07注：螺母型号及标记示例 螺母AM10 GB45-58 平焊钢法兰JB81-59Pg=1.0MPa公称通径管子外径法 兰螺 栓螺母单重（kg）焊 接法兰理
5、论重量（kg）外径螺孔中心直径连接凸出直径凸出部分高度法兰厚度螺栓孔直径GB18-58焊接直角边长管壁最小厚度管与法兰边距数量直径与长度单重（kg）Dgd0DD1D2fbdKsH1014906040212144M12X400.0510.0163340.0851518956545212144M12X400.0510.0163340.51120251057555214144M12X450.0550.0163340.74825321158565214144M12X450.0550.01643.550.89323813510078216184M16X500.1110.03243.551.4040451
6、4511085318184M16X550.1190.03243.551.715057160125100318184M16X550.1190.03243.552.096575180145120320184M16X600.1260.0325462.848089195160135320184M16X600.1260.0325463.24100108215180155322188M16X650.1340.0325464.01125133245210185324188M16X700.1420.0325465.4150159280240210324238M20X700.2390.06154.566.121
7、75194314280240324238M20X700.2390.0616677.44200219335295265324238M20X700.2390.0617688.24225245365325295324238M20X700.2390.0618799.302502733903503203262312M20X750.2520.061981010.13003254404003684282312M20X800.2640.061981012.93503775004604284282316M20X800.2640.0611091115.94004265655154824302516M22X850.
8、3350.0731091121.84504786155655324302520M22X850.3350.0731091124.45005296706205854332520M22X900.3490.0731091127.76006307807256855363020M24X1050.6370.1551091139.4注：螺母型号及标记示例 螺母AM10 GB45-58 平焊钢法兰JB81-59Pg=1.6MPa公称通径管子外径法 兰螺 栓螺母单重（kg）焊 接法兰理论重量（kg）外径螺孔中心直径连接凸出直径凸出部分高度法兰厚度螺栓孔直径GB18-58焊接直角边长管壁最小厚度管与法兰边距数量直径
9、与长度单重（kg）Dgd0DD1D2fbdKsH1014906040214144M12X450.0550.0163340.5471518956545214144M12X450.0550.0163340.71120251057555216144M12X500.0590.0163340.86725321158565218144M12X500.0590.01643.551.174323813510078318184M16X550.1190.03243.551.60404514511085320184M16X600.1260.03243.552.005057160125100322184M16X650
10、.1340.03243.552.416573180145120324184M16X700.1420.0325463.458089195160135324188M16X700.1420.0325463.71100108215180155326188M16X700.1420.0325464.8125133245210185328188M16X750.1500.0325466.47150159280240210328238M20X800.2640.06154.567.92175194310270240328238M20X800.2640.0616678.81200219325295265330231
11、2M20X850.2760.06176810.12252453653252953302312M20X850.2760.06187911.72502734053553203322512M22X900.3490.073981015.73003254604103754322512M22X900.3490.073981018.13503775204704354342516M22X950.3640.0731091123.34004265805254854383016M27X1050.6370.1551091131.04504786405855454423020M27X1150.6780.15510911
12、40.25005297056506084483420M30X1300.9520.2161091155.16006308407707185504120M36X1401.0070.2161091180.3注：螺母型号及标记示例 螺母AM10 GB45-58 平焊钢法兰JB81-59Pg=2.5MPa公称通径管子外径法 兰螺 栓螺母单重（kg）焊 接法兰理论重量（kg）外径螺孔中心直径连接凸出直径凸出部分高度法兰厚度螺栓孔直径GB18-58焊接直角边长管壁最小厚度管与法兰边距数量直径与长度单重（kg）Dgd0DD1D2fbdKsH1014906040216144M12X480.0580.016334
13、0.6341518956545216144M12X480.0580.0163340.80420251057555218144M12X500.0590.0163340.88525321158565218144M12X500.0590.01643.551.172323813510078220184M16X600.1260.03243.551.96404514511085322184M16X650.1340.03243.552.605057160125100324184M16X700.1420.03243.552.716573180145120324188M16X700.1420.0325463.2
14、28089195160135326188M16X700.1420.0325464.08100108230190160328238M20X800.2640.0615466.0125133270220188330258M22X850.3350.0735468.6150159300250218330258M22X850.3350.07354.5610.41751943302802483322512M22X900.3490.07366711.92002193603102783322512M22X900.3490.07376814.52252453953403023343012M27X1000.6150
15、.15587917.52502734253703323343012M27X1000.6150.155981018.93003254854303904363016M27X1000.6150.155981026.83503775504904484423416M30X1150.8690.2161091134.354004256105505054443416M35X1200.8970.2161091148.94504786606005554483420M30X1300.9520.2161091151.925005297306606104524120M36X1401.5250.3581091167.5注
16、：螺母型号及标记示例 螺母AM10 GB45-58平焊钢法兰HG5010-58Pg=0.1MPa 公称直径管子外径法 兰螺 栓橡胶石棉垫片 外径螺孔中心直径连接凸出直径法兰厚重量(kg)GB5-66外径内径厚度数量直径与长度单重kg）Dgd0DD1D2bG101475503580.204M10X3035141.5151880554080.234M10X304018202590655080.304M10X3050252532100756080.374M10X306032 1.53238120907080.534M12X30703840451301008080.584M12X30804550571
17、401109080.644M12X309057 1.57076160130110101.024M12X35110768089185150128101.394M16X4012889100108205170148101.574M16X401481082125133235200178101.988M16X40178133150159260225202122.628M16X45202159175194290255232143.268M16X502321942200219315280258143.808M16X50258219225245340305282144.108M16X5028224525027
18、3370335312144.6512M16X503122732300325435395365166.8312M20X55365325350377485445415167.6412M20X55415377400426535495465189.8516M20X6046542634504785905505201811.1016M20X605204785005296406005702013.5016M20X605705296006307557056702017.1520M22X6567063037007208608107752225.3024M22X707757208008209759208802433.9024M27X80880820900920107510209802437.9024M27X809809203100010201175112010802645.7028M27X8510801020120012201375132012802657.1032M27X8512801220140014201575152014802873.2036M27X85148014203160016201785173016902888.2040M27X8516901620注：配用螺栓GB18-66(Pg6,用GB5-66),螺母GB45-66(Pg6,用GB41-66)
