资讯动态
全径阀门的最小通道直径_阀门标准
|
单位为毫米 |
||||
|
公称通径 |
最小通道直径 |
|||
|
DN |
PN 1.6 MPa～10.0 Mpa |
PN 15.0 MPa |
PN 25.0 MPa |
PN 42.0 MPa |
|
50 |
49 |
49 |
49 |
42 |
|
65 |
62 |
62 |
62 |
52 |
|
80 |
74 |
74 |
74 |
62 |
|
100 |
100 |
100 |
100 |
87 |
|
150 |
150 |
150 |
144 |
131 |
|
200 |
201 |
201 |
192 |
179 |
|
250 |
252 |
252 |
239 |
223 |
|
300 |
303 |
303 |
287 |
265 |
|
350 |
334 |
322 |
315 |
— |
|
400 |
385 |
373 |
360 |
|
|
450 |
436 |
423 |
— |
|
|
500 |
487 |
471 |
||
|
550 |
538 |
522 |
||
|
600 |
589 |
570 |
||
|
650 |
633 |
617 |
||
|
700 |
684 |
665 |
||
|
750 |
735 |
712 |
||
|
800 |
779 |
760 |
||
|
850 |
830 |
808 |
||
|
900 |
874 |
855 |
||
|
950 |
925 |
— |
||
|
1000 |
976 |
|||
|
1050 |
1020 |
|||
|
1200 |
1166 |
|||
|
1400 |
1312 |
|||
|
1500 |
1458 |
|||
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