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对夹式止回阀 铜制对夹旋启式止回阀及铜制对夹蝶式止回阀阀体的最小壁厚_阀门标准
对夹式止回阀 铜制对夹旋启式止回阀及铜制对夹蝶式止回阀阀体的最小壁厚
| 公称 尺寸 DN |
公 称 压 力 PN |
|||||||||||||||
| 10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
320 |
400 |
20 |
50 |
110 |
150 |
260 |
420 |
|
| 阀体的最小壁厚/mm |
||||||||||||||||
| 50 |
6.5 |
7.9 |
8.8 |
9.3 |
10.0 |
11.2 |
15.8 |
19.1 |
19.9 |
21.3 |
8.6 |
9.7 |
11.2 |
19.1 |
19.1 |
22.4 |
| 65 |
7.3 |
8.7 |
10.0 |
10.7 |
11.4 |
11.9 |
18.0 |
22.4 |
22.9 |
24.2 |
9.7 |
11.2 |
11.9 |
22.4 |
22.4 |
25.4 |
| 80 |
7.8 |
9.4 |
10.7 |
11.4 |
12.1 |
12.7 |
19.1 |
23.9 |
26.0 |
28.8 |
10.4 |
11.9 |
12.7 |
19.1 |
23.9 |
30.2 |
| 100 |
8.4 |
10.3 |
11.5 |
12.2 |
13.4 |
16.0 |
21.3 |
28.7 |
30.9 |
34.1 |
11.2 |
12.7 |
16.0 |
21.3 |
28.7 |
35.8 |
| 125 |
9.0 |
11.2 |
11.9 |
13.2 |
15.0 |
17.4 |
23.5 |
33.4 |
36.3 |
40.2 |
11.5 |
14.1 |
17.4 |
23.5 |
33.4 |
42.2 |
| 150 |
10.0 |
11.9 |
12.6 |
14.6 |
16.7 |
19.1 |
26.2 |
38.1 |
41.5 |
46.2 |
11.9 |
16.0 |
19.1 |
26.2 |
38.1 |
48.5 |
| 200 |
11.0 |
12.7 |
13.5 |
15.9 |
19.2 |
25.4 |
31.8 |
47.8 |
52.6 |
59.0 |
12.7 |
17.5 |
25.4 |
31.8 |
47.8 |
62.0 |
| 250 |
12.1 |
14.2 |
15.0 |
17.5 |
21.2 |
28.7 |
36.6 |
57.2 |
59.9 |
— |
14.2 |
19.1 |
28.7 |
36.6 |
57.2 |
67.6 |
| 300 |
12.8 |
15.3 |
16.8 |
19.1 |
23.0 |
31.8 |
42.2 |
— |
— |
— |
16.0 |
20.6 |
31.8 |
42.2 |
66.8 |
86.6 |
| 350 |
13.4 |
15.9 |
17.7 |
20.5 |
25.2 |
35.1 |
— |
— |
— |
— |
16.8 |
22.4 |
35.1 |
46.0 |
69.9 |
— |
| 400 |
14.0 |
16.4 |
18.6 |
21.8 |
27.0 |
— |
— |
— |
— |
— |
17.5 |
23.9 |
38.1 |
52.3 |
79.5 |
— |
| 450 |
14.6 |
16.9 |
19.5 |
23.0 |
— |
— |
— |
— |
— |
— |
18.3 |
25.4 |
41.4 |
57.2 |
88.9 |
— |
| 500 |
15.3 |
17.6 |
20.4 |
24.3 |
— |
— |
— |
— |
— |
— |
19.1 |
26.9 |
44.5 |
63.5 |
98.6 |
— |
| 600 |
16.5 |
19.6 |
22.2 |
27.0 |
— |
— |
— |
— |
— |
— |
20.6 |
30.2 |
50.8 |
73.2 |
114.3 |
— |
| 650 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
21.3 |
31.9 |
54.1 |
78.5 |
— |
— |
| 700 |
17.6 |
21.0 |
25.0 |
— |
— |
— |
— |
— |
— |
— |
22.0 |
33.5 |
57.3 |
83.8 |
— |
— |
| 750 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
23.1 |
35.1 |
60.5 |
89.1 |
— |
— |
| 800 |
19.2 |
23.0 |
28.0 |
— |
— |
— |
— |
— |
— |
— |
24.0 |
38.0 |
63.8 |
94.4 |
— |
— |
| 900 |
20.3 |
24.1 |
29.4 |
— |
— |
— |
— |
— |
— |
— |
25.4 |
39.9 |
70.4 |
105.0 |
— |
— |
| 1000 |
21.5 |
25.6 |
31.8 |
— |
— |
— |
— |
— |
— |
— |
26.9 |
43.1 |
77.3 |
115.7 |
— |
— |
| 1050 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
27.7 |
44.7 |
80.0 |
121.0 |
— |
— |
| 1200 |
24.2 |
28.7 |
— |
— |
— |
— |
— |
— |
— |
— |
30.2 |
49.5 |
90.3 |
— |
— |
— |
| 1350 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
32.8 |
54.8 |
100.7 |
— |
— |
— |
| 1400 |
27.1 |
32.2 |
— |
— |
— |
— |
— |
— |
— |
— |
33.9 |
56.4 |
104.1 |
— |
— |
— |
| 1500 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
35.7 |
59.8 |
111.0 |
— |
— |
— |
| 1600 |
30.1 |
35.7 |
— |
— |
— |
— |
— |
— |
— |
— |
37.6 |
— |
— |
— |
— |
— |
| 1650 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
38.6 |
— |
— |
— |
— |
— |
| 1800 |
31.7 |
37.6 |
— |
— |
— |
— |
— |
— |
— |
— |
39.6 |
— |
— |
— |
— |
— |
| 1950 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
44.0 |
— |
— |
— |
— |
— |
| 2000 |
36.0 |
42.8 |
— |
— |
— |
— |
— |
— |
— |
— |
45.0 |
— |
— |
— |
— |
— |
| 2100 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
46.8 |
— |
— |
— |
— |
— |
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