管径 流量流速0.10.110.180.290.450.711.191.812.834.426.3611.3117.6725.4534.6445.240.20.230.350.580.901.412.393.625.658.8412.7222.6235.3450.8969.2790.480.30.340.530.871.362.123.585.438.4813.2519.0933.9353.0176.34103.91135.720.40.450.711.161.812.834.787.2411.3117.6725.4545.2470.69101.79138.54180.960.50.570.881.452.263.535.979.0514.1422.0931.8156.5588.36127.23173.18226.190.60.681.061.742.714.247.1710.8616.9626.5138.1767.86106.03152.68207.82271.430.70.791.242.033.174.958.3612.6719.7930.9344.5379.17123.70178.13242.45316.670.80.901.412.323.625.659.5614.4822.6235.3450.8990.48141.37203.58277.09361.910.91.021.592.614.076.3610.7516.2925.4539.7657.26101.79159.04229.02311.72407.1511.131.772.904.527.0711.9518.1028.2744.1863.62113.09176.71254.47346.36452.391.11.241.943.184.987.7813.1419.9131.1048.6069.98124.41194.39279.92381.00497.631.21.362.123.475.438.4814.3421.7133.9353.0176.34135.72212.06305.36415.63542.871.301.472.303.765.889.1915.5323.5236.7657.4382.70147.03229.73330.81450.27588.111.401.582.474.056.339.9016.7225.3339.5861.8589.06158.34247.40356.26484.90633.351.501.702.654.346.7910.6017.9227.1442.4166.2795.43169.65265.07381.70519.54678.581.601.812.834.637.2411.3119.1128.9545.2470.69101.79180.96282.74407.15554.18723.821.701.923.004.927.6912.0220.3130.7648.0775.10108.15192.27300.41432.60588.81769.061.802.043.185.218.1412.7221.5032.5750.8979.52114.51203.58318.09458.04623.45814.301.902.153.365.508.6013.4322.7034.3853.7283.94120.87214.88335.76483.49658.09859.542.002.263.535.799.0514.1423.8936.1956.5588.36127.23226.19353.43508.94692.72904.782.102.383.716.089.5014.8425.0938.0059.3892.78133.60237.50371.10534.38727.36950.022.202.493.896.379.9515.5526.2839.8162.2097.19139.96248.81388.77559.83761.99995.262.302.604.066.6610.4016.2627.4841.6265.03101.61146.32260.12406.44585.28796.631040.504003003502501501006532402025管径/流速/流量对照表 1管径单位：DN 流速单位：m/s 流量单位：m3/h 圆周率（π）：3.1415926管 道 管 径 规 格 大 小（DN）50801252002.402.714.246.9510.8616.9628.6743....
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