PRODUCT INFORMATION
Grundfos DDA 7.5-16 FCM-PV/T/C-F-31U2U2IG Digital Dosing Pump
Suitable for.
- Controls & Digital Groundwater Management
- Drip/Micro Spray
- Agricultural Groundwater
- Livestock watering with solar solutions
- Pivot
- Agriculture solar solutions
- Solar boosting and water supply solutions
- Agricultural Surface Water
- Commercial water disinfection
- Drinking water treatment
- Desalination
- Industrial heating
- Wash and clean
- Industrial water supply
- Industrial wastewater
- Solar Controls & Digital Water Management
- Solar Water Treatment Fertigation & Dosing
- Community water supply
- Wastewater treatment
SMART Digital diaphragm dosing pump with internal stepper motor drive. Economic Digital Dosing even for basic dosing applications (Digital Dosing Essential).
FEATURES & BENEFITS
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.
The sensor-based FlowControl (FC) system detects malfunctions directly in the dosing head and displays them in plain text in the alarm menu, e.g. air bubbles, line burst, overpressure. The integrated flow measurement function (only FCM) measures the actual flow and makes additional monitoring and control equipment redundant (accuracy of ± 1,5 % of set value in case of trouble-free process). The measured flow is displayed and can be integrated in the process control, e.g. SCADA. Furthermore, the AutoFlowAdapt function (only FCM) automatically adjusts the pump speed according to the process conditions to maintain target flow even at e.g. varying backpressure or air bubbles foaming (degassing drive strategy).
The dosing head is composed of:
- Long lifetime and universal chemical resistant Full-PTFE diaphragm.
- Double ball valves for the highest dosing accuracy.
- Deaeration valve for easy start-up.
Operation modes:
- Manual dosing in ml/h, I/h or gph.
- Pulse control in ml/pulse (incl. memory function).
- Analog control 0/4-20 mA (scalable).
- Pulse-based batch function in ml, l or gal.
- Timer-based batch function (Dosing timer, cycle or week).
- Fieldbus control (Genibus prepared for ProfibusDP E-box).
Other features:
- Auto deaeration during pump standby to avoid breakdowns due to air-locking.
- Two SlowMode steps (anti-cavitation), 50 % (maximum flow= 3.75 l/h) and 25 % (maximum flow= 1.88 l/h), e.g. for high-viscosity or degassing liquids.
- Two SlowMode steps (anti-cavitation), 50 % (maximum flow= 3.75 l/h) and 25 % (maximum flow= 1.88 l/h), e.g. for high-viscosity or degassing liquids.
- Two-step key lock function to protect the pump against unauthorised access.
- Additional display function to provide further information, e.g. the actual mA input signal.
- Counter for total dosed volume (resettable), operating hours, etc.
- Save and load customised settings as well as reload of factory settings.
Signal inputs/outputs:
- Input for pulse, analog 0/4-20mA, external stop.
- Input for low-level and empty-tank signal.
- Two potential-free output relays for max. 30 V AC/DC (configurable, e.g. alarm, stroke signal, pump dosing, timer etc.)
- Output analog 0/4-20mA.
- Fieldbus communication interface (GeniBus, also for additional Profibus DP E-box to retrofit).
TECHNICAL DATA
TECHNICAL
| Type key: | DDA 7.5-16 FCM-PV/T/C-F-31U2U2 |
| Max. Flow: | 7.5 l/h |
| Max. flow in slow mode 50%: | 3.75 l/h |
| Max. flow in slow mode 25%: |
1.88 l/h |
| Min flow: |
2.5 ml/h |
| Turn-down ratio: |
1:3000 |
| Approvals |
CE,CSA-US,NSF61,RCM |
| Valve type: |
Standard |
| Maximum viscosity at 100 %: | 50 mPas |
| Maximum viscosity in slow mode 50 %: | 1800 mPas |
| Maximum viscosity in slow mode 25 %: | 2500 mPas |
| Accuracy of repeatability: | 1 % |
MATERIALS:
| Dosing head: |
PVDF (Polyvinylidene fluoride) |
| Valve ball: | Ceramic |
| Gasket: |
PTFE |
INSTALLATION
| Range of ambient temperature: | 0 .. 45 °C |
| Maximum operating pressure: | 16 bar |
| Installation set: | NO |
| Installation type: | No installation set |
| Pump inlet: | 4/6, 6/9, 6/12, 9/12 mm |
| Pump outlet: |
4/6, 6/9, 6/12, 9/12 mm |
| Max. Suction lift during operation: | 6 m |
| Max. Suction lift during priming: |
2 m |
LIQUID
| Pumped liquid: | Water |
| Liquid temperature range: |
-10 .. 45 °C |
| Selected liquid temperature: |
20 °C |
| Density |
998.2 kg/m³ |
ELECTRICAL DATA:
| P1 max: | 24W |
| Mains frequency: |
50 / 60 Hz |
| Rated voltage: |
1 x 100-240 V |
| Enclosure class (IEC 34-5): |
IP65 / NEMA 4X |
| Length of cable: |
1.5 m |
| Type of cable plug: |
Australia, New Zealand, Taiwan |
| Inrush current: | 25A at 230V for 2ms |
DRAWINGS
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LITERATURE
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Grundfos DDA 7.5-16 FCM-PV/T/C-F-31U2U2IG Digital Dosing Pump Brochure |
