学习资料平焊法兰尺寸Pa)(1.0M公称通径管子兰法栓螺外径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法兰厚度螺栓孔直径数量个螺栓长度㎜螺栓重量㎏)(Dn)D()(0(D))(D1)(D2fbd101490604021214421×400.28115189565452121444012×0.281202510575552141444521×0.32532115856521414412*450.33238135100782161845061×0.60140451451108531818416×550.63550571601251003181841×5560.63565731801451203201841...