WFM Flowmeters utilize the multi-jet principle to provide dependable, accurate performance. They are available in ¾, 1, 1½ and 2” NPT pipe sizes. A pulse output provides a signal to a controller or to a metering pump for proportional chemical feed. WFM Series water meters have earned a reputation for design simplicity, wide range of applications and accuracy in low-quality water. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials.
Power
| Sensor | Reed switch | Hall effect |
| Max.Current | 20 mA | 20 mA |
| Max.voltage | 24 VDC or VAC | 24 VDC |
| Power | None | min 6mA @ 12VDC |
Pressure: Maximum 150 psi operating
Temperature: Maximum 105ºF (40ºC)
Cable Length: 12 ft. standard, 2000 ft. max.
Materials of Construction:
Body: Cast Bronze
Internals: Engineered Thermoplastic
Magnet: Alnico
Flow Rates (GPM):
| Size | Minimum | Maximum |
| ¾” | 0.22 GPM | 22 GPM |
| 1” | 0.44 GPM | 52 GPM |
| 1½ ” | 0.88 GPM | 88 GPM |
| 2” | 1.98 GPM | 132 GPM |
Accuracy ± 1½ % of reading
Walchem
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