资讯动态
比例式减压阀 阀体的最小壁厚_阀门标准
比例式减压阀 阀体的最小壁厚
公称尺寸 DN |
铜合金 | 灰铸铁 | 球 墨 铸 铁 | 铸 钢 | |||
| PN16 | PN10 | PN16 | PN25 | PN16 | PN20 | PN25 | |
| 最小壁厚/mm | |||||||
| 15 | 2.5 | — | — | — | — | — | — |
| 20 | 2.5 | — | — | — | — | — | — |
| 25 | 3 | — | — | — | — | — | — |
| 32 | 3 | — | — | — | — | — | — |
| 40 | 3 | — | — | — | — | — | — |
| 50 | 4 | 7 | 7 | 9 | 5.5 | 5.6 | 5.7 |
| 65 | 5 | 8 | 8 | 9 | 5.5 | 5.6 | 5.7 |
| 80 | 5.5 | 8 | 8 | 9 | 5.6 | 5.6 | 6.1 |
| 100 | 6.5 | 9 | 9 | 10 | 6.2 | 6.4 | 6.6 |
| 125 | 7 | 10 | 10 | 11 | 6.6 | 7.1 | 7.4 |
| 150 | 8 | 11 | 11 | 12 | 6.8 | 7.1 | 7.5 |
| 200 | 9.5 | 12 | 12 | 12 | 7.7 | 7.9 | 8.5 |
| 250 | — | 12 | 12 | 14 | 8.1 | 8.6 | 9.3 |
| 300 | — | 14 | 14 | 15 | 9.1 | 9.7 | 10.5 |
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