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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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