美标法兰尺寸表-150LBANSI标准150型in公称通径?16kg=1.6MPa法兰外径螺栓孔距螺栓直径螺栓孔数法兰厚度3/8DN10?????1/2DN15?????3/4DN20?????1DN25?????11/4DN32?????11/2DN4012798.516417.52DN50152121.519419.121/2DN65178139.519422.33DN80190152.519423.94DN100229190.519823.95DN125254216.522823.96DN150279241.522825.48DN200343298.522828.610DN250406362.5251230.212DN300483432251231.814DN350533476.529123516DN400597539.5291636.618DN450?????20DN500?????24DN600