|
球阀流道类型 |
|||
公称尺寸 |
通径 |
标准缩径 |
缩径 |
|
DN |
PN16~PN50 |
PN63~PN100 |
PN16~PN140 |
PN16~PN140 |
|
阀体通道最小直径/mm |
|||
8 |
6 |
6 |
6 |
不适用 |
10 |
9 |
9 |
6 |
不适用 |
15 |
11 |
11 |
8 |
不适用 |
20 |
17 |
17 |
11 |
不适用 |
25 |
24 |
24 |
17 |
14 |
32 |
30 |
30 |
23 |
18 |
40 |
37 |
37 |
27 |
23 |
50 |
49 |
49 |
36 |
30 |
65 |
62 |
62 |
49 |
41 |
80 |
75 |
75 |
55 |
49 |
100 |
98 |
98 |
74 |
62 |
125 |
123 |
123 |
88 |
— |
150 |
148 |
148 |
98 |
74 |
200 |
198 |
194 |
144 |
100 |
250 |
245 |
241 |
186 |
151 |
300 |
295 |
291 |
227 |
202 |
350 |
325 |
318 |
266 |
230 |
400 |
375 |
365 |
305 |
250 |
450 |
430 |
421 |
335 |
305 |
500 |
475 |
453 |
375 |
335 |
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