空调水管管径流量对照表

1、管管径径/流流速速/流流量量对对照照表表 管管径径 (dn) 流流量量 m m3 3/h/h 0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s内内面面积积m m2 2 200.50.70.91.11.41.61.82.02.32.52.72.93.23.40.000314 250.71.11.41.82.12.52.83.23.53.94.24.64.95.30.000491 321.21.72.32.93.54.14.65.25.86.46.97.58.18.70.0008

2、04 401.82.73.64.55.46.37.28.19.010.010.911.812.713.60.001257 502.84.25.77.18.59.911.312.714.115.617.018.419.821.20.001963 654.87.29.611.914.316.719.121.523.926.328.731.133.435.80.003318 807.210.914.518.121.725.329.032.636.239.843.447.050.754.30.005027 10011.317.022.628.333.939.645.250.956.562.267.97

3、3.579.284.80.007854 12517.726.535.344.253.061.970.779.588.497.2106.0114.9123.7132.50.012272 15025.438.250.963.676.389.1101.8114.5127.2140.0152.7165.4178.1190.90.017671 20045.267.990.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.30.031416 25070.7106.0141.4176.7212.1247.4282.7318.1353.4388.84

4、24.1459.5494.8530.10.049087 300101.8152.7203.6254.5305.4356.3407.1458.0508.9559.8610.7661.6712.5763.40.070686 350138.5207.8277.1346.4415.6484.9554.2623.4692.7762.0831.3900.5969.81039.10.096211 400181.0271.4361.9452.4542.9633.3723.8814.3904.8995.31085.71176.21266.71357.20.125664 450229.0343.5458.0572

5、.6687.1801.6916.11030.61145.11259.61374.11488.61603.21717.70.159043 500282.7424.1565.5706.9848.2989.61131.01272.31413.71555.11696.51837.81979.22120.60.196349 600407.1610.7814.31017.91221.41425.01628.61832.22035.72239.32442.92646.52850.03053.60.282743 700554.176 831.264 1108.35 1385.44 1662.53 1939.6

6、2 2216.71 2493.79 2770.88 3047.97 3325.06 3602.15 3879.23 4156.320.38484464 800723.822 1085.73 1447.64 1809.56 2171.47 2533.38 2895.293257.23619.11 3981.02 4342.93 4704.84 5066.75 5428.670.50265422 900916.087 1374.13 1832.17 2290.22 2748.26 3206.31 3664.35 4122.39 4580.44 5038.48 5496.52 5954.57 641

7、2.61 6870.650.63617175 10001130.97 1696.46 2261.94 2827.43 3392.923958.44523.89 5089.37 5654.86 6220.35 6785.83 7351.327916.88482.290.78539722 12001628.62442.93257.24071.54885.85700.16514.47328.781438957.39771.610585.9 11400.2 12214.51.130972 管径(dn) 流流速速推推荐荐值值m/s: 20253240506580100125150200250300350

8、400 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 1.6-2.51.8-2.6 开式系统 0.4-0.5 0.5-0.6 0.6-0.8 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 1.6-2.11.8-2.3 镀锌钢管(外径/内径)：dn15 21.75 16.25 dn20 26.75 21.25 dn25 3

9、3.5 27 dn32 42.25 35.75 dn40 48 41 dn50 60 53 dn70 75.5 68 dn80 88.5 80.5 dn100 114 106 dn125 140 131 dn150 165 156 dn200 219 203 dn250 273 257 管径(dn) 镀锌钢管(外径/内径)：dn15 21.75 16.25 dn20 26.75 21.25 dn25 33.5 27 dn32 42.25 35.75 dn40 48 41 dn50 60 53 dn70 75.5 68 dn80 88.5 80.5 dn100 114 106 dn125 140

10、 131 dn150 165 156 dn200 219 203 dn250 273 257 管管径径/ /流流速速/ /流流量量对对照照表表 管管径径(dn)(dn) 流量 m3/h 0.8m/s0.6m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s 200.90.71.11.41.61.82.02.3 251.41.11.82.12.52.83.23.5 322.31.72.93.54.14.65.25.8 403.62.74.55.46.37.28.19.0 505.74.27.18.59.911.312.714.1 659.67.211.914.316.7

11、19.121.523.9 8014.510.918.121.725.329.032.636.2 10022.617.028.333.939.645.250.956.5 12535.326.544.253.061.970.779.588.4 15050.938.263.676.389.1101.8114.5127.2 20090.567.9113.1135.7158.3181.0203.6226.2 250141.4106.0176.7212.1247.4282.7318.1353.4 300203.6152.7254.5305.4356.3407.1458.0508.9 350277.1207.8346.4415.6484.9554.2623.4692.7 400361.9271