资讯动态
铁制对夹旋启式止回阀及铁制对夹蝶式止回阀阀体的最小壁厚标准_阀门标准
|
|
公 称 压 力 PN |
|||||
|
公称尺寸 |
2.5 |
6 |
10 |
16 |
25 |
40 |
|
DN |
阀 体 的 最 小 壁 厚 mm |
|||||
|
|
灰铸铁、球墨铸铁 |
球墨铸铁 |
||||
|
50 |
6 |
8 |
8 |
8 |
8 |
9 |
|
65 |
6 |
8 |
8 |
9 |
9 |
10 |
|
80 |
6 |
9 |
9 |
10 |
10 |
11 |
|
100 |
8 |
9 |
9 |
11 |
11 |
12 |
|
125 |
9 |
10 |
10 |
12 |
12 |
14 |
|
150 |
9 |
10 |
10 |
14 |
14 |
15 |
|
200 |
10 |
12 |
12 |
15 |
15 |
16 |
|
250 |
12 |
13 |
13 |
— |
— |
— |
|
300 |
13 |
14 |
14 |
— |
— |
— |
|
350 |
14 |
15 |
15 |
— |
— |
— |
|
400 |
14 |
16 |
16 |
— |
— |
— |
|
450 |
15 |
17 |
17 |
— |
— |
— |
|
500 |
15 |
18 |
18 |
— |
— |
— |
|
600 |
16 |
20 |
20 |
— |
— |
— |
|
700 |
20 |
24 |
26 |
— |
— |
— |
|
800 |
20 |
24 |
26 |
— |
— |
— |
|
900 |
22 |
25 |
28 |
— |
— |
— |
|
1000 |
22 |
26 |
30 |
— |
— |
— |
|
1200 |
23 |
26 |
— |
— |
— |
— |
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