Grundfos DDA 7.5-16

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3. Technical data / Dimensions
3.1 Technical data
Data 7.5-16 12-10 17-7 30-4
Mechanical
data
Turndown ratio (setting range) [1:X] 3000 1000 1000 1000
Max. dosing capacity
[l/h] 7.5 12.0 17.0 30.0
[gph] 2.0 3.1 4.5 8.0
Max. dosing capacity with SlowMode 50 %
[l/h] 3.75 6.00 8.50 15.00
[gph] 1.00 1.55 2.25 4.00
Max. dosing capacity with SlowMode 25 %
[l/h] 1.88 3.00 4.25 7.50
[gph] 0.50 0.78 1.13 2.00
Min. dosing capacity
[l/h] 0.0025 0.0120 0.0170 0.0300
[gph] 0.0007 0.0031 0.0045 0.0080
Max. operating pressure
[bar] 16 10 7 4
[psi] 230 150 100 60
Max. stroke frequency
1)
[strokes/
min]
190 155 205 180
Stroke volume [ml] 0.74 1.45 1.55 3.10
Accuracy of repeatability [%] ± 1
Max. suction lift during operation
2)
[m] 6
Max. suction lift when priming with wet
valves
2)
[m] 2 3 3 2
Min. pressure difference between suction and
discharge side
[bar] 1 (FC and FCM: 2)
Max. inlet pressure, suction side [bar] 2
Max. viscosity in SlowMode 25 % with
spring-loaded valves
3)
[mPas]
(= cP)
2500 2500 2000 1500
Max. viscosity in SlowMode 50 % with
spring-loaded valves
3)
[mPas]
(= cP)
1800 1300 1300 600
Max. viscosity without SlowMode with
spring-loaded valves
3)
[mPas]
(= cP)
600 500 500 200
Max. viscosity without spring-loaded valves
3)
[mPas]
(= cP)
50 300 300 150
Min. internal hose/pipe diameter
suction/discharge side
2), 4)
[mm]4669
Min. internal hose/pipe diameter
suction/discharge side (high viscosity)
4)
[mm] 9
Min./Max. liquid temperature [°C] -10/45
Min./Max. ambient temperature [°C] 0/45
Min./Max. storage temperature [°C] -20/70
Max. relative humidity (non-condensing) [%] 96
Max. altitude above sea level [m] 2000