常用平焊法兰及螺栓规格尺寸单位：毫米公称直径管子法兰(毫米)螺栓焊缝外径壁厚外径螺栓孔中心圆直径连接凸出部分直径连接凸出部分高度厚度螺栓孔直径重量数量规格焊缝的直角边焊缝离法兰面距离DgdSDDDfbdKgn直径×长度KHPg=6公斤/厘米210152014182533758090505565354050222121214121212444M10×40M10×40M10×403334442532403238451001201307590100607080223141616121414444M10×40M12×50M12×504445555070805776894414016018511013015090110128333161618141418444M12×50M12×50M16×5545556610012515010813315944205235260170200225148178202333182020181818488M16×55M16×60M16×60555666175200225194219245667290315340255280305235258282333222222181818888M16×65M16×65M16×65678789250300350273325377889370435485335395445312365415344242426182323121212M16×70M20×70M20×79910101011400450500426478529999535590640495550600465520570444282830232323161616M20×80M20×80M20×9510101011111160070080063072082099975586097570581092067077588055530323252530202424M22×85M22×90M27×9510101011111190010009201020991075117510201120980108055343630302428M27×100M27×10510l0ll11公称直径管子法兰(毫米)螺栓焊缝外径壁厚外径螺孔中心圆直径连接凸出部分直径连接凸出部分高度厚度螺栓孔直径重量数量规格焊缝的直角边焊缝离法兰面距离DgdSDDDfbdKgn直径×长度KHPg=10公斤/厘米21015201418253339095105606575404558222121214141414444M12×40M12×40M12×4533344425324032384511513514585100110687888223141618141818444M12×45M16×50M16×5544455550708057768944160180195125145160102122138333182020181818448M16×55M16×60M16×6045556610012515010813315944215245280180210240158188212333222424181823888M16×65M16×70M16×70555666175200225194219245667310335365270295325242268295333242424232323888M20×70M20×70M20×70678789250300350273325377889390440500350400460320370430344262828232323121216M20×75M20×90M20×80991010101l40045050060042647852963099995656156707805155656207254825325856854445303032362525253016202020M22×85M22×95M22×90M27×1051010101011111111Pg=16公斤/厘米2l015201418253339095105606575404558222141416141414444M12×45M12×45M12×503334442532403238451151351458510011068788822311820141818444M12×50M16×55M16×604445O550708057768944160180195125145160102122138333222424181818448M16×65M16×70M16×7045556610012515010813315944215245280180210240158188212333262828181823886M16×70M16×75M20×80555666公称直径管子法兰(毫米)螺栓焊缝外径壁厚外径螺栓孔中心圆直径连接凸出部分直径连接凸出部分高度厚度螺栓孔直径重量数量规格焊缝的直角边焊缝离法兰面距离DgdSDDDfbdKgn直径×长度KHPg=16公斤/厘米217520022519421924566731033536527029532524226829534428303023232381212M20×80M20×85M20×95678789250300350273325377889405460520355410470320378438344323234252525121216M22×90M22×90M22×959910101011400450500426478529999580640705525585650490550610444384248303034162020M27×105M27×115M30×13010101011111160063098407707205504120M30×140101lPg=25公斤/厘米21015201418253339095105606575404558222161618141414444M12×50M12×50M12×5033344425324032384511513514585100110687888223182022141818444M12×50M16×60M16×6544455550708057768944160180195125145160102122138333242426181818488M16×70M16×70M16×7045556610012515010813315944230270300190220250162188218333283030232525888M20×80M22×95M22×8555O666175200225194219245667330360395280310340248278305333323234252530121212M22×90M22×90M27×100678789250300350273325377889425485550370430490335390450344343642303034121616M27×100M27×105M30×1209910101011400450500426478529999610660730550600660505555615444444852343441162020M30×120M30×130M36×150101010111111
