Nominal diameter DN(mm) | 15 | 20 | 25 |
Total length(mm) | 165 | 195 | 210 |
Nominal flow Q3(m3/h) | 2.5 | 4 | 6.3 |
Overload flow Q4(m3/h) | 3.125 | 5 | 7.875 |
Critical flow Q2(1/h) | 10.24 | 25.6 | 40.3 |
Minimum flow Q1(1/h) | 12.5 | 20 | 31.25 |
Starting flow(1/h) | 3 | 3 | 5 |
Pressure loss at Q3 | 0.33 | 0.3 | 0.25 |