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Weight (lbs) | 7.7 |
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The SMART Digital DDA is a compact positive displacement, diaphragm dosing pump with variable-speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for high-viscosity or degassing liquids. The duration of each discharge stroke varies according to the capacity set, resulting in optimum smooth and continuous discharge flow. The click-stop mounting plate allows installation in three different positions without using any additional accessories. The control cube can be turned easily into front, left or right position. The click wheel and the multi-coloured backlit graphical, plain-text LC display make commissioning and operation intuitive. The control elements are protected by a transparent cover.
Brand | Grundfos |
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Product Type | Pump |
Drive Type | Spur Gear |
Material - Diaphragm | PTFE |
Inlet/Outlet Connection Type | Hose |
Inlet Size | 3/8 in |
Material - Housing | PPO/PS 20% gf |
Motor Hz Rating | 50/60 |
Motor Type | Variable-Speed Stepper Motor |
Motor Voltage | 100 - 240 VAC |
Mounting | Basic/Wall Mounting |
Outlet Size | 1/2 in |
Material - Seal | PTFE |
Seal Type | Gasket |
Material - Balls | Ceramic |
Max Flow | 3.2 gph (12 lph) |
Max Temperature | 113°F (45°C) |
Noise Level | 60 dB(A) |
Max Pressure | 29 psi (2 bar) |
Pressure Range | 3 - 11 bar |
Turndown Ratio | 1:1000 |
Voltage | 100 - 240 V, 50/60 Hz |
Accuracy | +/-1% |
Enclosure | IP 65, NEMA 4X |
Max Viscosity | 300 mPa.s |
Includes | Installation Set Includes 2 Pump Connections, Foot Valve, Injection Unit, 6-m PE Discharge Hose, 2-m PVC Suction Hose, 2-m PVC Deaeration Hose (4/6 mm) |
Speed | 155 stroke/min |
Signal Output | 0.5A (Relay Output), 30VDC/AC (Relay/Analog Output), 500 Ohms at 0/4 - 20mA(Analog Output) |
Control Variant | Standard with Alarm Relay, Analog Input and FlowControl |
Diaphragm Diameter | 50 mm |
Fluid Type | Water |
Material - Dosing Head | PVC |
Max Suction Lift | 19.7 ft |
Model | DDA |
Operation Modes | Manual Speed Control, Pulse Control (in ml/pulse), Analog Control (0/4 - 20 mA), Pulse-Based Batch Control, Dosing Timer Cycle, Fieldbus Control |
Plug Type | USA, Canada |
Pulse Control Setting range | 0.0029 - 29 ml/pulse |
Pulse-Based Batch Control Setting Range | 1.45 ml/batch - 999 l/batch |
Signal Input | 12V 5mA (Level, Pulse and External Stop Input), 15 Ohms Impedance at 0/4 - 20mA (Analog Input), 1000 Ohms( Level/Pulse Circuit), 5 ms (Min. Pulse Length), 100 Hz (Max. pulse frequency) |
Stroke Volume | 1.45 ml |
Valve Type | Standard |
Displacement | Positive Displacement |