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DIAPHRAGM PUMPS
High dosing accuracy
OVERVIEW Low-maintanance
Safe to run dry
Leakage free
User-friendly
Compact design
Low weight
Continuous, manual stroke length adjustment
Robust, metallic drive housing
TECHNICAL DATA Motor suitable for operation with frequency converter
PUMP DATA RF 409.2-...
(* 8mWS = performance losses 50e 75e 90e 115e 140e 180e 250e 350e
of nominal capacity QN of 20-25%)
Permissible pressure p 2max. bar 10 10 8 4 8 4 3 3
at the pump outlet
50 Hz 0-115 0-140 0-180 0-250 0-350
Nominal capacity QN 0-50 0-75 0-90
at p l/h
2max.
60 Hz 0-60 0-90 0-108 0-138 0-168 0-216 0-300 ---
Quantity per stroke ml/stroke (100%) 8,3 8,3 15,0 19,2 15,6 20,0 41,7 38,9
Max. suction height mWC 3 (8 *) 3
Min./max. permissible bar p -0,3/0 (-0,8/0) -0,3/0
pressure at the pump inlet 1min/max
Recomm. nominal diameter mm
DN of the connecting pipes 10 15 15 15 15 15 15 15
50 Hz 100 150 100 100 150 150 100 150
Nominal stroke frequency 1/min
60 Hz 120 180 120 120 180 180 120 ---
plastic 9 9 11 10 11 10 13 13
Weight approx. kg
stainless steel 10 10 13 13 13 13 21 21
ELECTRICAL DATA RF409.2-50e ... RF409.2-350e
Power consumption kW 0,37
Voltage V 230/400V 50Hz, 460V 60Hz
Frequency Hz 50/60
Insulation class ISO F
Enclosure IP 55
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