管道公称直径和水量换算表

一般水流速为1-3m/s，取中间值2m/s

序号公称直径DN外径mm壁厚内径mm理论最大水量m3/h 110142100.5652 215183120.813888 32025319 2.040372 42532326 3.820752

53238 3.531 5.431572

64045 3.5388.161488

75057 3.55014.13 8657646826.134848 9808948137.082772 10100108410056.52 11125133412588.3125 12150159 4.5150127.17 132002196207242.182548 142502738257373.308948 153003258309539.658612 163503779359728.435412 1740042610406931.653072 18450480124561175.254272 19500530145021424.326608 20600630165982021.177808