爱普生压电喷头行业资讯
2024-05-03管线阀门 技术条件、全径阀门的最小通道直径
公称通径 DN | 最小通道直径 | |||
| 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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