TFWD series is the vertical waltmann water meter with a dry register. It is used for wide range flow rate. The body is made of ductile iron.
| Type | TFWD50 | TFWD75 | TFWD100 |
|---|---|---|---|
| Q3 Nominal Flow Rate (m³/h) | 40 | 63 | 100 |
| R (Q3/Q1) | 100 | 100 | 100 |
| Q1 Minimum Flow Rate (m³/h) | 0.4 | 0.63 | 1.0 |
| Q2 Transitional Flow Rate (m³/h) | 0.64 | 1.008 | 1.6 |
| Q4 Overload Flow Rate (m³/h) | 50 | 78.75 | 125 |
| Maximum Pressure Loss at Q3 (MPa) | 0.063 | ||
| Maximum Admissible Pressure (MPa) | 1 | ||