
Digital Metering Pumps
Grundfos SMART Digital DDA Dosing Pump
Grundfos SMART Digital DDA diaphragm dosing pump with variable-speed stepper motor drive: 0.0025–30 L/h (DDA 7.5-16 to DDA 30-4), max. back pressure 4–16 bar, turn-down ratio up to 1:3000, repeatability ±1%.
Max flow
0.0025 – 30 L/h
Max pressure
4 – 16 bar
Turndown / accuracy
max. 1:3000
Wetted materials
—
Protection
—
Power
100–240 V, 50/60 Hz
Features
- Variable-speed stepper motor drive for smooth, continuous dosing
- Turn-down ratio up to 1:3000
- Repeatability ±1%
- SlowMode for high-viscosity media
- Optional FlowControl (FC/FCM) flow monitoring
Specifications
| Flow range | 0.0025 – 30 L/h |
| Max. back pressure | 4 – 16 bar |
| Turn-down ratio | max. 1:3000 |
| Repeatability | ±1% |
| Liquid temperature | -10 – 45 °C |
| Power supply | 100–240 V, 50/60 Hz |
| Brand | Grundfos Grundfos |
Applications
Materials & media
| Head | PVC |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| Manual | Standard |
Models & specs
| Model | Flow | Pressure | Notes | |
| DDA 7.5-16 | 7.5 L/h | 16 bar | min. 0.0025 L/h | |
| DDA 12-10 | 12 L/h | 10 bar | min. 0.012 L/h | |
| DDA 17-7 | 17 L/h | 7 bar | min. 0.017 L/h | |
| DDA 30-4 | 30 L/h | 4 bar | min. 0.03 L/h |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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