空调水管管径流量对照表
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 内面积m 220
0.50.70.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.40.00031425
0.7 1.1 1.4 1.8 2.1 2.5 2.8 3.2 3.5 3.9 4.2 4.6 4.9 5.30.00049132
1.2 1.7
2.3 2.9
3.5
4.1 4.6
5.2 5.8
6.4 6.9
7.5
8.18.70.00080440
1.8
2.7
3.6
4.5
5.4
6.3
7.2
8.1
9.010.010.911.812.713.60.00125750
2.8 4.2 5.77.18.59.911.312.714.115.617.018.419.821.20.00196365
4.87.29.611.914.316.719.121.523.926.328.731.133.43
5.80.00331880
7.210.914.518.121.725.329.032.636.239.843.447.050.754.30.005027100
11.317.022.628.333.939.645.250.956.562.267.973.579.284.80.007854125
17.726.535.344.253.061.970.779.588.497.2106.0114.9123.7132.50.012272150
25.438.250.963.676.389.1101.8114.5127.2140.0152.7165.4178.1190.90.017671200
45.267.990.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.30.031416250
70.7106.0141.4176.7212.1247.4282.7318.1353.4388.8424.1459.5494.8530.10.049087300
101.8152.7203.6254.5305.4356.3407.1458.0508.9559.8610.7661.6712.5763.40.070686350
138.5207.8277.1346.4415.6484.9554.2623.4692.7762.0831.3900.5969.81039.10.096211400
181.0271.4361.9452.4542.9633.3723.8814.3904.8995.31085.71176.21266.71357.20.125664450
229.0343.5458.0572.6687.1801.6916.11030.61145.11259.61374.11488.61603.21717.70.159043500
282.7424.1565.5706.9848.2989.61131.01272.31413.71555.11696.51837.81979.22120.60.196349600407.1610.7814.31017.91221.41425.01628.61832.22035.72239.32442.92646.52850.03053.60.28274320253240
506580100125150200250300350400闭式系统0.5-0.60.6-0.70.7-0.90.8-10.9-1.2 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0.4-0.50.5-0.60.6-0.80.7-0.90.8-1.00.9-1.2 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管径/流速/流量对照表
流速推荐值m/s:管径(DN)
管径
(DN)
流量 m 3/h
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 DN10
1 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