资讯动态
阀体的最小壁厚标准（表1） _阀门标准
|
阀体材料 |
灰铸铁 |
球墨铸铁 |
铸铁 |
||||||
|
公称压力PN |
0.25 |
0.6 |
1.0 |
1.6 |
2.5 |
0.6 |
1.0 |
1.6 |
2.5 |
|
Mpa |
|||||||||
|
公称通径DN |
阀体最小壁厚 |
||||||||
|
mm |
mm |
||||||||
|
50 |
7 |
7 |
7 |
8 |
8 |
7 |
8 |
9 |
9 |
|
65 |
7 |
7 |
7 |
8 |
8 |
7 |
8 |
9 |
9 |
|
80 |
8 |
8 |
8 |
9 |
9 |
8 |
9 |
10 |
10 |
|
100 |
9 |
9 |
9 |
10 |
10 |
9 |
10 |
11 |
11 |
|
125 |
10 |
10 |
10 |
12 |
12 |
10 |
11 |
12 |
13 |
|
150 |
11 |
11 |
11 |
12 |
12 |
11 |
12 |
13 |
13 |
|
200 |
12 |
12 |
12 |
14 |
14 |
12 |
13 |
14 |
15 |
|
250 |
13 |
13 |
13 |
— |
— |
13 |
14 |
15 |
17 |
|
300 |
14 |
14 |
14 |
— |
— |
14 |
15 |
16 |
18 |
|
350 |
14 |
14 |
14 |
— |
— |
14 |
15 |
16 |
19 |
|
400 |
15 |
15 |
15 |
— |
— |
15 |
16 |
17 |
20 |
|
450 |
16 |
16 |
16 |
— |
— |
16 |
16 |
17 |
20 |
|
500 |
16 |
16 |
16 |
— |
— |
16 |
17 |
18 |
21 |
|
600 |
18 |
18 |
18 |
— |
— |
18 |
19 |
20 |
24 |
|
700 |
20 |
20 |
20 |
— |
— |
20 |
21 |
22 |
27 |
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