水管管径-流速-流量对照表新

1、管管径径/ /流流速速/ /流流量量对对照照表表管管径径(DN)(DN)流流速速0.4m/s 0.6m/s 0.8m/s 1.0m/s 1.2m/s 1.4m/s 1.6m/s 1.8m/s 2.0m/s 2.2m/s 2.4m/s 2.6m/s 2.8m/s 3.0m/s流流量量 m m3/h/h200.50.70.91.11.41.61.82.02.32.52.72.93.23.4250.71.11.41.82.12.52.83.23.53.94.24.64.95.3321.21.72.32.93.54.14.65.25.86.46.97.58.18.7401.82.73.64.55.46

2、.37.28.19.010.010.911.812.713.6502.84.25.77.18.59.911.312.714.115.617.018.419.821.2654.87.29.611.914.316.719.121.523.926.328.731.133.435.8807.210.914.518.121.725.329.032.636.239.843.447.050.754.310011.317.022.628.333.939.645.250.956.562.267.973.579.284.812517.726.535.344.253.061.970.779.588.497.2106

3、.0114.9123.7132.515025.438.250.963.676.389.1101.8114.5127.2140.0152.7165.4178.1190.920045.267.990.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.325070.7106.0141.4176.7212.1247.4282.7318.1353.4388.8424.1459.5494.8530.1300101.8152.7203.6254.5305.4356.3407.1458.0508.9559.8610.7661.6712.5763.43

4、50138.5207.8277.1346.4415.6484.9554.2623.4692.7762.0831.3900.5969.81039.1400181.0271.4361.9452.4542.9633.3723.8814.3904.8995.31085.71176.21266.71357.2450229.0343.5458.0572.6687.1801.6916.11030.61145.11259.61374.11488.61603.21717.7500282.7424.1565.5706.9848.2989.61131.01272.31413.71555.11696.51837.81

5、979.22120.6600407.1610.7814.31017.91221.41425.01628.61832.22035.72239.32442.92646.52850.03053.6管径(DN)流流速速推推荐荐值值m/s:m/s:20253240506580100125150200250300350400闭式系统 0.5-0.6 0.6-0.7 0.7-0.90.8-10.9-1.2 1.1-1.4 1.2-1.6 1.3-1.8 1.5-2.0 1.6-2.2 1.8-2.5 1.8-2.6 1.9-2.9 1.6-2.5 1.8-2.6开式系统 0.4-0.5 0.5-0.6 0.

6、6-0.8 0.7-0.9 0.8-1.0 0.9-1.2 1.1-1.4 1.2-1.6 1.4-1.8 1.5-2.0 1.6-2.3 1.7-2.4 1.7-2.4 1.6-2.1 1.8-2.3水蒸气闭式系统开式系统推荐流速推荐流量推荐流速推荐流量推荐流速推荐流量低值高值低值高值低值高值低值高值低值高值低值高值m/sm/sm3/hm3/hm/sm/sm3/hm3/hm/sm/sm3/hm3/h150.40.50.30.30.30.40.20.3204012.725.4200.50.60.60.70.40.50.50.6204022.645.2250.60.71.11.20.50.60.

7、91.1204035.370.7320.70.922.60.60.81.72.3204057.9115.8400.813.64.50.70.93.24.1204090.5181500.91.26.48.50.815.77.12040141.4282.7651.11.413.116.70.91.210.814.32040238.9477.8801.21.621.7291.11.419.925.32040361.9723.81001.31.836.850.91.21.633.945.22040565.511311251.5266.388.41.41.861.979.52040883.61767.1

8、1501.62.2101.81401.5295.4127.220401272.32544.72001.82.5203.6282.71.62.3181260.120402261.94523.92501.82.6318.1459.51.72.4300.4424.120403534.37068.63001.92.9483.57381.72.4432.6610.720405089.410178.83501.62.5554.2865.91.62.1554.2727.420406927.213854.44001.82.6814.31176.21.82.3814.31040.520409047.818095

9、.6管道内流速常用值/（m/s）流体种类应用场合管道种类平均流速（m/s）备注水一般给水主压力管道23低压管道0.51泵进口0.52.0泵出口1.03.0工业用水离心泵压力管34离心泵吸水管DN25012DN2501.52.5往复泵压力管1.52往复泵吸水管1给水总管1.53排水管0.51.0冷却冷水管1.52.5热水管11.5凝结凝结水泵吸收管0.51凝结水泵出水管12自流凝结水管0.10.3一般液体低粘度1.53.0高粘度液体粘度DN250.50.950mPasDN500.71.0DN1001.01.6粘度DN250.30.6100mPasDN500.50.7DN1000.71.0DN2001.21.6粘度DN250.10.21000mPasDN50