资讯动态
铁制和铜制螺纹阀门阀杆最小直径说明_阀门标准
|
公称尺寸 DN |
PN10、PN16 |
PN20 |
PN25 |
PN40 |
|||
|
闸阀和截止阀 |
闸阀 |
截止阀 |
闸阀 |
截止阀 |
闸阀 |
截止阀 |
|
|
8 |
5.5 |
5.5 |
6.0 |
6.0 |
6.0 |
6.5 |
6.5 |
|
10 |
5.5 |
5.5 |
6.0 |
6.0 |
6.0 |
6.5 |
6.5 |
|
15 |
6.0 |
6.0 |
6.5 |
6.5 |
6.5 |
7.5 |
7.5 |
|
20 |
6.5 |
6.5 |
7.0 |
7.0 |
7.0 |
8.0 |
8.0 |
|
25 |
7.5 |
7.5 |
8.0 |
8.0 |
8.0 |
9.5 |
9.5 |
|
32 |
8.5 |
8.5 |
9.5 |
9.5 |
9.5 |
11.0 |
11.0 |
|
40 |
9.5 |
9.5 |
10.5 |
10.5 |
10.5 |
12.0 |
12.0 |
|
50 |
10.5 |
10.5 |
11.0 |
11.0 |
12.0 |
12.5 |
14.0 |
|
65 |
12.0 |
12.0 |
12.5 |
12.5 |
13.5 |
14.0 |
15.5 |
|
80 |
13.5 |
13.5 |
14.0 |
14.0 |
15.0 |
16.0 |
17.5 |
|
100 |
15.0 |
15.0 |
15.5 |
15.5 |
16.5 |
17.5 |
19.0 |
|
注：表中阀杆的最小直径系指与填料配合段的直径。 |
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