17.1.1 Performance data with vPTFE diaphragm
Tab. 29: at 200 strokes/minute and 100% stroke length
Type Pump capacity
at maximum back pressure
Connector
size
outer Æ x
inner Æ
Suction lift* Priming
lift**
Max. pri‐
ming pres‐
sure on the
suction
side
bar l/h ml/stroke mm m water
column
m water
column
bar
1612 10 12.0 1.00 8x5 5.0 2.5 5
1020 10 17.7 1.50 12x9 4.0 2.5 5
0730 7 26.7 2.23 12x9 4.0 2.5 3
0450 4 45.0 3.75 DN10 2.0 2.0 2
The stated performance data represents minimum values calculated using water as the medium at 20 °C.
* Suction lift with a filled suction line and filled liquid end.
** Priming lifts with clean and moist valves. Priming lift at
100% stroke length and free drain or opened vent
valve.
17.2 Accuracy
17.2.1
Standard Liquid End
Data Value Unit
Capacity range of the series -5 ... +10 % *
Reproducibility ±2 % **
* - at max. stroke length and max. operating pressure for all
material versions
** - at constant conditions and min. 30 % stroke length
17.2.2 Self-Bleeding Liquid End
As the self-bleeding liquid end is used with outgassing media and
when operating with air bubbles, no dosing accuracy or reproduci‐
bility can be provided.
The recommended minimum stroke length with self-bleeding
dosing pumps is 50 %.
Technical data
116
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