规格外径mm公称内经DN10DN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN200英寸3/8寸1／2寸3／4寸1寸1.25寸1.5寸2寸2.5寸3寸4寸5寸6寸8寸8寸16.621.326.933.742.448.360.376.188.9114.3140168.3219.1219.11721273342486076891141401682192191015.721.327.335.441.352.768.180.9106.3131159.3207.1206.110152127354152688010613115920720610.0-12.014.6-16.820.2-22.426.1-28.534.8-37.240.02-42.5851.92-54.6867.04-69.9479.4-82.4104.8-107.8130-133.2157.68-160.922.82.82.83.23.53.53.84444.54.566.53分管4分管6分管8分管10分管12分管16分管20分管24分管32分管40分管48分管64分管64分管常用外径内径mm常用内径内径范围壁厚mm俗称
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