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2024-05-03钢制旋塞阀 较薄壁壳体的最小壁厚
公称尺寸 DN | PN10 | PN16 | PN25 | PN40 | PN20 | PN50 | PN100/ PN110 | PN140a | PN160/ PN150 | PN250/ PN260 | PN420 |
| 15 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 5.0 | 4.0 | — | 6.0 | 8.0 |
| 20 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 5.0 | 4.3 | — | 7.0 | 9.0 |
| 25 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 6.0 | 6.0 | 5.0 | — | 8.0 | 11.0 |
| 32 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 7.0 | 7.0 | 5.6 | — | 10.0 | 14.0 |
| 40 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 7.0 | 7.0 | 5.6 | — | 12.0 | 16.0 |
| 50 | 6.5 | 6.5 | 7.5 | 8.0 | 7.0 | 8.0 | 8.0 | 6.1 | — | 14.0 | 20.0 |
| 65 | 6.5 | 7.0 | 7.5 | 8.0 | 7.0 | 8.0 | 9.0 | — | — | 16.0 | 23.0 |
| 80 | 6.5 | 7.0 | 7.5 | 8.0 | 7.0 | 9.0 | 10.0 | — | 13.0 | 20.0 | 26.0 |
| 100 | 7.5 | 7.5 | 8.0 | 9.0 | 8.0 | 10.0 | 12.0 | — | 16.0 | 23.0 | 32.0 |
| 150 | 8.0 | 9.0 | 9.0 | 11.0 | 9.0 | 12.0 | 16.0 | — | 22.0 | 32.0 | 44.0 |
| 200 | 9.0 | 10.0 | 11.0 | 13.0 | 10.0 | 14.0 | 20.0 | — | 26.0 | 40.0 | 56.0 |
| 250 | 9.5 | 11.0 | 12.0 | 14.0 | 11.0 | 16.0 | 23.0 | — | 31.0 | 48.0 | 70.0 |
| 300 | 11.0 | 12.0 | 13.0 | 16.0 | 12.0 | 18.0 | 27.0 | — | 36.0 | 55.0 | 81.0 |
| 350 | 11.0 | 12.5 | 14.0 | 17.5 | 13.0 | 20.0 | 29.0 | — | — | 60.0 | — |
| 400 | 12.0 | 14.0 | 16.0 | 19.0 | 14.0 | 22.0 | 32.0 | — | — | 68.0 | — |
| 450 | 13.0 | 15.0 | 18.0 | — | 15.0 | — | — | — | — | — | — |
| 500 | 14.0 | 16.0 | 20.0 | — | 16.0 | — | — | — | — | — | — |
| 600 | 15.0 | 18.0 | 22.0 | — | 18.0 | — | — | — | — | — | — |
| a PN140 压力级仅适用于锻造或棒材制作的阀体。 | |||||||||||
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