2024年3月20日发(作者：良慕卉)
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
流量 m
3
/h
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
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
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
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
1.6m/s
1.8
2.8
4.6
7.2
11.3
19.1
29.0
45.2
70.7
101.8
181.0
282.7
407.1
554.2
723.8
916.1
1131.0
1628.6
1.8m/s
2.0
3.2
5.2
8.1
12.7
21.5
32.6
50.9
79.5
114.5
203.6
318.1
458.0
623.4
814.3
1030.6
1272.3
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
2.2m/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
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
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
管径(DN)
2
闭式系统0.5-0.60.6-0.70.7-0.90.8-1
流速推荐值m/s:
80
0.9-1.21.1-1.41.2-1.61.3-1.81.5-2.01.6-2.21.8-2.51.8-2.61.9-2.91.6-2.51.8-2.6
开式系统0.4-0.50.5-0.60.6-0.80.7-0.90.8-1.00.9-1.21.1-1.41.2-1.61.4-1.81.5-2.01.6-2.31.7-2.41.7-2.41.6-2.11.8-2.3
红色为常用流量流速管径对照区域
2024年3月20日发(作者：良慕卉)
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
流量 m
3
/h
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
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
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
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
1.6m/s
1.8
2.8
4.6
7.2
11.3
19.1
29.0
45.2
70.7
101.8
181.0
282.7
407.1
554.2
723.8
916.1
1131.0
1628.6
1.8m/s
2.0
3.2
5.2
8.1
12.7
21.5
32.6
50.9
79.5
114.5
203.6
318.1
458.0
623.4
814.3
1030.6
1272.3
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
2.2m/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
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
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
管径(DN)
2
闭式系统0.5-0.60.6-0.70.7-0.90.8-1
流速推荐值m/s:
80
0.9-1.21.1-1.41.2-1.61.3-1.81.5-2.01.6-2.21.8-2.51.8-2.61.9-2.91.6-2.51.8-2.6
开式系统0.4-0.50.5-0.60.6-0.80.7-0.90.8-1.00.9-1.21.1-1.41.2-1.61.4-1.81.5-2.01.6-2.31.7-2.41.7-2.41.6-2.11.8-2.3
红色为常用流量流速管径对照区域