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液压系统管路通径选择表
2022/8/26 9:22:28
国家标准推荐流速：
1.吸油管路:
1.2~1.3 m/s
2.回油管路 :
1.7~4.5 m/s
3.压力油管路:
<25 bar 2.5~3 m/s
<50bar 3.5~4 m/s
<100bar 4.5~5 m/s
<200bar 5~6 m/s
>200bar 6~7.6 m/s
泵流量与推荐油管通径表(d²=21.22Q/v)
|
流量 |
吸油管 |
回油管 |
<25bar |
<50bar |
<100bar |
<200bar |
>200bar |
|||||||
|
L/min |
1.2-1.3m/s |
1.7-2.5m/s |
2.5-3m/s |
3.5-4m/s |
4.5-5m/s |
5-6m/s |
6-7.6m/s |
|||||||
|
5.0 |
9.4 |
9.0 |
7.9 |
6.5 |
6.5 |
6.0 |
5.5 |
5.2 |
4.8 |
4.6 |
4.6 |
4.2 |
4.2 |
3.7 |
|
10.0 |
13.3 |
12.8 |
11.2 |
9.2 |
9.2 |
8.4 |
7.8 |
7.3 |
6.9 |
6.5 |
6.5 |
6.0 |
6.0 |
5.3 |
|
15.0 |
16.3 |
15.6 |
13.7 |
11.3 |
11.3 |
10.3 |
9.5 |
8.9 |
8.4 |
8.0 |
8.0 |
7.3 |
7.3 |
6.5 |
|
20.0 |
18.8 |
18.1 |
15.8 |
13.0 |
13.0 |
11.9 |
11.0 |
10.3 |
9.7 |
9.2 |
9.2 |
8.4 |
8.4 |
7.5 |
|
30.0 |
23.0 |
22.1 |
19.4 |
16.0 |
16.0 |
14.6 |
13.5 |
12.6 |
11.9 |
11.3 |
11.3 |
10.3 |
10.3 |
9.2 |
|
40.0 |
26.6 |
25.6 |
22.3 |
18.4 |
18.4 |
16.8 |
15.6 |
14.6 |
13.7 |
13.0 |
13.0 |
11.9 |
11.9 |
10.6 |
|
50.0 |
29.7 |
28.6 |
25.0 |
20.6 |
20.6 |
18.8 |
17.4 |
16.3 |
15.4 |
14.6 |
14.6 |
13.3 |
13.3 |
11.8 |
|
60.0 |
32.6 |
31.4 |
27.4 |
22.5 |
22.5 |
20.6 |
19.1 |
17.9 |
16.8 |
16.0 |
16.0 |
14.6 |
14.6 |
12.9 |
|
70.0 |
35.2 |
33.9 |
30.0 |
24.4 |
24.4 |
22.3 |
20.6 |
19.3 |
18.2 |
17.2 |
17.2 |
15.7 |
15.7 |
14.0 |
|
80.0 |
37.6 |
36.2 |
31.6 |
26.0 |
26.0 |
23.8 |
22.0 |
20.6 |
19.4 |
18.4 |
18.4 |
16.8 |
16.8 |
14.9 |
|
90.0 |
39.9 |
38.4 |
33.5 |
27.6 |
27.6 |
25.3 |
23.4 |
21.9 |
20.6 |
19.5 |
19.5 |
17.8 |
17.8 |
15.9 |
|
100.0 |
42.0 |
40.5 |
35.3 |
29.1 |
29.1 |
26.6 |
24.6 |
23.1 |
21.7 |
20.6 |
20.6 |
18.8 |
18.8 |
16.7 |
|
110.0 |
44.1 |
42.5 |
37.0 |
30.5 |
30.5 |
27.9 |
25.8 |
24.2 |
22.8 |
21.6 |
21.6 |
19.7 |
19.7 |
17.5 |
|
120.0 |
46.1 |
44.4 |
38.7 |
31.9 |
31.9 |
29.2 |
27.0 |
25.3 |
23.8 |
22.6 |
22.6 |
20.6 |
20.6 |
18.3 |
|
130.0 |
47.9 |
46.2 |
40.3 |
33.2 |
33.2 |
30.4 |
28.1 |
26.3 |
24.8 |
23.5 |
23.5 |
21.4 |
21.4 |
19.0 |
|
140.0 |
49.8 |
47.8 |
41.8 |
34.5 |
34.5 |
31.5 |
29.1 |
27.3 |
25.7 |
24.4 |
24.4 |
22.3 |
22.3 |
19.8 |
|
150.0 |
51.5 |
49.5 |
43.3 |
35.7 |
35.7 |
32.6 |
30.2 |
28.2 |
26.6 |
25.2 |
25.2 |
23.0 |
23.0 |
20.5 |
|
160.0 |
53.2 |
51.1 |
44.7 |
36.9 |
36.9 |
33.6 |
31.1 |
29.1 |
27.5 |
26.0 |
26.0 |
23.8 |
23.8 |
21.1 |
|
170.0 |
54.8 |
52.7 |
46.1 |
38.0 |
38.0 |
34.6 |
32.1 |
30.0 |
28.3 |
26.9 |
26.9 |
24.5 |
24.5 |
21.8 |
|
180.0 |
56.4 |
54.2 |
47.4 |
39.0 |
39.0 |
35.7 |
33.0 |
30.9 |
29.1 |
27.6 |
27.6 |
25.2 |
25.2 |
22.4 |
|
190.0 |
58.0 |
55.7 |
48.7 |
40.2 |
40.2 |
36.7 |
33.9 |
31.7 |
29.9 |
28.4 |
28.4 |
25.9 |
25.9 |
23.0 |
|
200.0 |
59.5 |
57.1 |
50.0 |
41.2 |
41.2 |
37.6 |
34.8 |
32.6 |
30.7 |
29.1 |
29.1 |
26.6 |
26.6 |
23.6 |
|
220.0 |
62.4 |
60.0 |
52.4 |
43.2 |
43.2 |
39.4 |
36.5 |
34.2 |
32.2 |
30.6 |
30.6 |
27.9 |
27.9 |
24.8 |
|
240.0 |
65.1 |
62.6 |
54.7 |
45.1 |
45.1 |
41.2 |
38.1 |
35.7 |
33.6 |
31.9 |
31.9 |
29.1 |
29.1 |
25.9 |
|
260.0 |
67.8 |
65.1 |
57.0 |
47.0 |
47.0 |
42.9 |
39.7 |
37.1 |
35.0 |
33.2 |
33.2 |
30.3 |
30.3 |
26.9 |
|
280.0 |
70.4 |
67.6 |
59.1 |
48.8 |
48.8 |
44.5 |
41.2 |
38.5 |
36.3 |
34.5 |
34.5 |
31.5 |
31.5 |
28.0 |
|
300.0 |
72.8 |
70.0 |
61.2 |
50.5 |
50.5 |
46.1 |
42.6 |
39.9 |
37.6 |
35.7 |
35.7 |
32.6 |
32.6 |
28.9 |
|
350.0 |
78.7 |
75.6 |
66.1 |
54.5 |
54.5 |
49.8 |
46.1 |
43.1 |
40.6 |
38.5 |
38.5 |
35.2 |
35.2 |
31.3 |
|
400.0 |
84.1 |
80.8 |
70.7 |
58.3 |
58.3 |
53.2 |
49.2 |
46.1 |
43.4 |
41.2 |
41.2 |
37.6 |
37.6 |
33.4 |
|
450.0 |
89.2 |
85.7 |
74.9 |
61.8 |
61.8 |
56.4 |
52.2 |
48.9 |
46.1 |
43.7 |
43.7 |
39.9 |
39.9 |
35.4 |
|
500.0 |
94.0 |
90.3 |
79.0 |
65.1 |
65.1 |
59.5 |
55.1 |
51.5 |
48.6 |
46.1 |
46.1 |
42.0 |
42.0 |
37.4 |
