空调水管管径流量对照表

管径/流速/流量对照表
管径 (DN)
20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600
0.4m/s
0.5 0.7 1.2 1.8 2.8 4.8 7.2 11.3 17.7 25.4 45.2 70.7 101.8 138.5 181.0 229.0 282.7 407.1
19.1 21.5
29.0 32.6
45.2 50.9
70.7 79.5
101.8 114.5
181.0 203.6
282.7 318.1
407.1 458.0
554.2 623.4
723.8 814.3
916.1 1030.6
1131.0 1272.3
1628.6 1832.2
2.0m/s
2.3 3.5 5.8 9.0 14.1 23.9 36.2 56.5 88.4 127.2 226.2 353.4 508.9 692.7 904.8 1145.1 1413.7 2035.7
0.6m/s
0.7 1.1 1.7 2.7 4.2 7.2 10.9 17.0 26.5 38.2 67.9 106.0 152.7 207.8 271.4 343.5 424.1 610.7
0.8m/s
0.9 1.4 2.3 3.6 5.7 9.6 14.5 22.6 35.3 50.9 90.5 141.4 203.6 277.1 361.9 458.0 565.5 814.3
Fra Baidu bibliotek2.2m/s
2.5 3.9 6.4 10.0 15.6 26.3 39.8 62.2 97.2 140.0 248.8 388.8 559.8 762.0 995.3 1259.6 1555.1 2239.3
2.4m/s
2.7 4.2 6.9 10.9 17.0 28.7 43.4 67.9 106.0 152.7 271.4 424.1 610.7 831.3 1085.7 1374.1 1696.5 2442.9
管径 (DN)
闭式系 开统式系
统
流速推荐值m/s:
20
25
32
40
50
65
80
100
125
150
200
250
300
350
0.5-0.6 0.6-0.7 0.7-0.9 0.8-1 0.9-1.2 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
1.0m/s
1.1 1.8 2.9 4.5 7.1 11.9 18.1 28.3 44.2 63.6 113.1 176.7 254.5 346.4 452.4 572.6 706.9 1017.9
1.2m/s
1.4 2.1 3.5 5.4 8.5 14.3 21.7 33.9 53.0 76.3 135.7 212.1 305.4 415.6 542.9 687.1 848.2 1221.4
2.6m/s
2.9 4.6 7.5 11.8 18.4 31.1 47.0 73.5 114.9 165.4 294.1 459.5 661.6 900.5 1176.2 1488.6 1837.8 2646.5
2.8m/s
3.2 4.9 8.1 12.7 19.8 33.4 50.7 79.2 123.7 178.1 316.7 494.8 712.5 969.8 1266.7 1603.2 1979.2 2850.0
1.4m/s
1.6 2.5 4.1 6.3 9.9 16.7 25.3 39.6 61.9 89.1 158.3 247.4 356.3 484.9 633.3 801.6 989.6 1425.0
流量 m3/h
1.6m/s 1.8m/s
1.8
2.0
2.8
3.2
4.6
5.2
7.2
8.1
11.3 12.7
3.0m/s
3.4 5.3 8.7 13.6 21.2 35.8 54.3 84.8 132.5 190.9 339.3 530.1 763.4 1039.1 1357.2 1717.7 2120.6 3053.6
内面积m2 0.000314 0.000491 0.000804 0.001257 0.001963 0.003318 0.005027 0.007854 0.012272 0.017671 0.031416 0.049087 0.070686 0.096211 0.125664 0.159043 0.196349 0.282743
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 1.6-2.1
400 1.8-2.6 1.8-2.3
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 140 131 DN150