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1、管徑/流速/流量對照表13管徑單位：DN流速單位：m/s流量單位：m/h圓周率（π）：3.1415926管徑管道管徑規(guī)格大?。―N）流量20253240506580100125150200250300350400450500600流速0.10.110.180.290.450.711.191.812.834.426.3611.3117.6725.4534.6445.2457.2670.69101.790.20.230.350.580.901.412.393.625.658.8412.7222.6235.3450.8969.2790.48114.51141.37203.580.30.340.53
2、0.871.362.123.585.438.4813.2519.0933.9353.0176.34103.91135.72171.77212.06305.360.40.450.711.161.812.834.787.2411.3117.6725.4545.2470.69101.79138.54180.96229.02282.74407.150.50.570.881.452.263.535.979.0514.1422.0931.8156.5588.36127.23173.18226.19286.28353.43508.940.60.681.061.742.714.247.1710.8616.9
3、626.5138.1767.86106.03152.68207.82271.43343.53424.12610.730.70.791.242.033.174.958.3612.6719.7930.9344.5379.17123.70178.13242.45316.67400.79494.80712.510.80.901.412.323.625.659.5614.4822.6235.3450.8990.48141.37203.58277.09361.91458.04565.49814.300.91.021.592.614.076.3610.7516.2925.4539.7657.26101.7
4、9159.04229.02311.72407.15515.30636.17916.0911.131.772.904.527.0711.9518.1028.2744.1863.62113.10176.71254.47346.36452.39572.56706.861017.881.11.241.943.184.987.7813.1419.9131.1048.6069.98124.41194.39279.92381.00497.63629.81777.541119.661.21.362.123.475.438.4814.3421.7133.9353.0176.34135.72212.06305.
5、36415.63542.87687.07848.231221.451.31.472.303.765.889.1915.5323.5236.7657.4382.70147.03229.73330.81450.27588.11744.32918.921323.241.41.582.474.056.339.9016.7225.3339.5861.8589.06158.34247.40356.26484.90633.35801.58989.601425.031.51.702.654.346.7910.6017.9227.1442.4166.2795.43169.65265.07381.70519.5
6、4678.58858.831060.291526.811.61.812.834.637.2411.3119.1128.9545.2470.69101.79180.96282.74407.15554.18723.82916.091130.971628.601.71.923.004.927.6912.0220.3130.7648.0775.10108.15192.27300.41432.60588.81769.06973.341201.661730.391.82.043.185.218.1412.7221.5032.5750.8979.52114.51203.58318.09458.04623.
7、45814.301030.601272.351832.181.92.153.365.508.6013.4322.7034.3853.7283.94120.87214.88335.76483.49658.09859.541087.851343.031933.9622.263.535.799.0514.1423.8936.1956.5588.36127.23226.19353.43508.94692.72904.
