发布时间：2021-04-14 人气：1750 来源：
| 公称外径 | 公称压力（SDR26） | SDR21 | SDR17 | SDR13.6 | SDR11 |
| 0.6 | 0.8 | 1.0 | 1.25 | 1.6 | |
| 32 | 3.0 | ||||
| 40 | 3.7 | ||||
| 50 | 4.6 | ||||
| 63 | 4.7 | 5.8 | |||
| 75 | 4.5 | 5.6 | 6.8 | ||
| 90 | 4.3 | 5.4 | 6.7 | 8.2 | |
| 110 | 4.2 | 5.3 | 6.6 | 8.1 | 10.0 |
| 125 | 4.8 | 6.0 | 7.4 | 9.2 | 11.4 |
| 140 | 5.4 | 6.7 | 8.3 | 10.3 | 12.7 |
| 160 | 6.2 | 7.7 | 9.5 | 11.8 | 14.6 |
| 180 | 6.9 | 8.6 | 10.7 | 13.3 | 16.4 |
| 200 | 7.7 | 9.6 | 11.9 | 14.7 | 18.2 |
| 225 | 8.6 | 10.8 | 13.4 | 16.6 | 20.5 |
| 250 | 9.6 | 11.9 | 14.8 | 18.4 | 22.7 |
| 280 | 10.7 | 13.4 | 16.6 | 20.6 | 25.4 |
| 315 | 12.1 | 15.0 | 18.7 | 23.2 | 28.6 |
| 355 | 13.6 | 16.9 | 21.1 | 26.1 | 32.2 |
| 400 | 15.3 | 19.1 | 23.7 | 29.4 | 40.9 |
| 450 | 17.2 | 21.5 | 26.7 | 33.1 | 45.4 |
| 500 | 19.1 | 23.9 | 26.7 | 36.8 | 50.8 |
| 560 | 26.7 | 29.7 | 41.2 | 57.2 | |
| 630 | 30.0 | 33.2 | 46.3 | ||
| 710 | 33.9 | 37.4 | 52.2 | ||
| 800 | 38.1 | 42.1 | 58.8 | ||
| 900 | 42.9 | 47.4 | |||
| 1000 | 47.7 | 53.3 |
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