1. ISO4064-1:2005
♦ Fully electronic water meter, high accuracy.
♦ Not subject to impurities in the media, chemical substances and magnetic materials;
♦ Using time detection chip GP21 from Germany, time measurement accuracy of 22 picoseconds;
♦ Measuring body without moving parts, do not wear, measurement accuracy is not affected by the use of time
Diameter | Class | Qs Overload Flow | Qp Nominal Flow | Qt Transitional Flow | Qmin Minimum Flow | Starting Flow |
---|---|---|---|---|---|---|
DN15 | B | 3 | 1.5 | 120 | 30 | 14 |
DN20 | B | 5 | 2.5 | 200 | 50 | 16 |
DN25 | B | 7 | 3.5 | 280 | 70 | 19 |
DN32 | B | 12 | 6.0 | 480 | 120 | 25 |
DN40 | B | 20 | 10 | 800 | 200 | 56 |
DN50 | B | 30 | 15 | 3000 | 450 | 70 |