管径与流速对照表.docx
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管径/流速/流量对照表
管径 (DN)
0. 4m/s
0. 6m/s
0. 8m/s
1. Om/s
1. 2 m/s
1. 4m/s
1. 6 m/s
1. 8 m/s
2. Om/s
2. 2m/s
2. 4m/s
2. 6m/s
2. 8m/s
3. Om/s
流交
E对应流量m3/h
20
0.5
0.7
0.9
1. 1
1.4
1.6
1.8
2.0
2.3 1
2.5
2.7
2.9
3.2
3.4
25
0.7
1.1
_1.4
2.3
1.8
2.1
2.5
2.8
3.2
3.5
5.8
3.9
4.2
4.6
4.9
5.3
32
1.2
1.7
2.9
3.5
4.1
4.6
5.2
6.4
6.9
7.5
8.1
8.7
40
1.8
2.7
3.6
4.5
5.4
6.3
7.2
8.1
9.0
10.0
10.9
11.8
12.7
13.6
50
2.8
4.2
5.7
9.6
7.1
8.5
9.9
11.3
12.7
14. 1
23.9
15.6
17.0
18.4
19.8
21.2
65
4.8
7.2
11.9
14.3
16.7
19.1
21.5
26.3
28.7
31.1
33.4
35.8
80
7.2
10.9
14.5
18. 1
21.7
25.3
29.0
32.6
36.2
39.8
43.4
47.0
50.7
54.3
100
11.3
17.0
22.6
28.3
33.9
39.6
45.2
50.9
56.5
62.2
67.9
73.5
79.2
84.8
125
17.7
26.5
35.3
50.9
90.5
44.2
53.0
61.9
70.7
79.5
88.4
127.2
226.2
97.2
106.0
114.9
123.7
132.5
150
25.4
38.2
63.6
76.3
89.1
101.8
114.5
140.0
152. 7
165.4
178.1
190.9
200
45.2
67.9
113.1
135.7
158.3
181.0
208.6
248.8
271.4
294.1
316.7
339.3
250
70.7
106.0
141.4
176.7
212.1
247.4
282.7
318.1
353.4
388.8
424.1
489.5
494.8
530.1
300
101.8
152.7
208.6
254.5
305.4
386.3
407.1
488.0
508.9
589.8
640.7
661.6
712.5
763.4
350
138.5
207.8
277.1
381.9
346.4
415.6
484.9
554.2
623.4
692.7
904.8
762.0
831.3
900.5
989.8
1089.1
400
181.0
271.4
462.4
542.9
633.3
723.8
814.3
995.3
1085. 7
1176.2
1286. 7
1357. 2
450
229.0
343.5
488.0
572.6
687.1
801.6
916.1
1080. 6
1145. 1
1259. 6
1374.1
1488. 6
1608.2
1717.7
500
282.7
424.1
565.5
706.9
848.2
989.6
1131.0
1272. 3
1413. 7
1555.1
1696. 5
1837. 8
1979. 2
2120.6
600
401.1
610.7
814.3
1017.9
1221.4
1425. 0
1628. 6
1832. 2
2085. 7
2239.3
2442.9
2646.5
2850. 0
3053. 6
管径 (DN)
流速推荐值m/s:
20
25
32
40
50
65
80
100
125
150
200
250
300
350
400
闭式系统
0. 5-0. 6
0. 6-0.7
0. 7-0. 9
0. 8-1
0. 9-1. 2
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. 6-0. 8
0. 7-0. 9
0. 8-1. 0
0. 9-1. 2
1.2-1. 6
1. 5-2. 0
1. 6-2. 3
1. 7-2. 4
1. 7-2. 4
1. 6-2.1
1. 8-2. 3
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