管道流量流速对照表如下：
| DN（管径） | 0.4 m/s | 0.6 m/s | 0.8 m/s | 1.0 m/s | 1.2 m/s | 1.4 m/s | 1.6 m/s | 1.8 m/s | 2.0 m/s | 2.2 m/s | 2.4 m/s | 2.6 m/s | 2.8 m/s | 3.0 m/s |
|------------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|---------|
| 20 | 0.4 | 0.5 | 0.7 | 0.9 | 1.1 | 1.3 | 1.5 | 1.7 | 1.9 | 2.1 | 2.3 | 2.5 | 2.7 | 2.9 |
| 25 | 0.5 | 0.7 | 1.1 | 1.4 | 1.7 | 2.0 | 2.3 | 2.6 | 2.9 | 3.2 | 3.5 | 3.8 | 4.1 |
| 32 | 0.7 | 1.1 | 1.7 | 2.3 | 2.9 | 3.6 | 4.1 | 4.6 | 5.2 | 5.8 | 6.4 | 7.0 | 7.6 |
| 40 | 1.2 | 1.8 | 2.7 | 3.6 | 4.5 | 5.7 | 6.3 | 7.2 | 8.1 | 9.0 | 10.0| 11.3| 12.7|
| 50 | 1.8 | 2.8 | 4.2 | 5.7 | 7.1 | 9.9 | 11.9| 14.1| 16.7| 19.1| 21.5| 23.9| 26.3|
| 65 | 2.8 | 4.8 | 7.2 | 11.3| 14.3| 16.7| 21.7| 25.3| 29.0| 32.6| 36.2| 39.6| 45.2|
| 80 | 4.8 | 7.2 | 10.9| 14.5| 18.1| 22.6| 28.3| 33.9| 44.2| 50.9| 56.5| 61.9| 67.9|
| 100| 7.2 | 11.3| 17.0| 22.6| 28.3| 34.6| 41.8| 48.7| 63.6| 76.3| 90.5| 101.8 | 113.1 |
| 125| 11.3| 17.7| 26.5| 35.3| 44.2| 53.0| 61.9| 70.7| 89.1| 101.8 | 114.5 | 127.2 | 135.7 |
| 150| 17.7| 25.4| 38.2