常用平焊法兰及螺栓规格尺寸公称直径管子法兰(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DgdHSDD1D2fbdKgn直径×长度KHPg=2.5公斤/厘米2100126150108133159444.52052352601702002251481782023331414161818182.22.783.49488M16×50M16×50M16×505556661752002251942192456672903153402552803052322582823331618201818183.864.885.9388...