法兰连接尺寸标准GB/T9113法兰标准PN1.0MPa（10bar）突面整体钢制管法兰公称通经DN连接尺寸密封面法兰厚度C法兰颈法兰外经D螺栓孔中心圆直径K螺栓孔径L螺栓dfNR数量n螺纹规格109060144M1241214283159565144M12462143232010575144M12562164042511585144M126521650432140100184M167621860540150110184M168421870550165125184M169922084665185145184M16118220104680200160188M161322201206100220180188M161562221408125250210188M2...
