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Reverse Osmosis – Model ND/FU 3500
Reverse Osmosis – Model ND/FU 3500
ND and ND/FU Series: 2000-3500 l/h Standard RO Systems Stand-type unit for desalination of softened drinking water according to German drinking water regulations (free chlorine not detectable), operating on the principle of reverse osmosis. With RO 1000 controller and horizontal 4” membranes.
Stainless steel base frame with plastic front panel housing the instruments and controls. Special inlet filter with 5 μm-filter cartridge and 2 pressure gauges, high pressure pump, low-noise, multi-stage centrifugal type (incl. frequency converter for ND/ FU systems), low energy wound modules with energy saving PA/PS composite membranes in GRP pressure vessels with inliner.
| ND/FU 3500 Technical Data | ||
| Permeate flow rate | l/h | 3500 |
| Min. salt rejection | % | 97 |
| Recovery | % | 75 |
| Operating pressure | bar | 14 |
| Membrane element / number | 4040 / 11 | |
| Voltage | V/Hz | 3 x 400/50 |
| Motor power | kW | 4 |
| Pre-fusing | A | 16 |
| Feedwater connection | DN | 32 |
| Permeate / concentrate connection | DN | 25 |
| Conductivity range | μS/cm | 2 – 200 |
| Min. / max. feed water pressure | bar | 2 / 6 |
| Min. / max. feed water temperature | °C | 5 / 35 |
| Max. ambient temperature | °C | 40 |
| pH | 3 – 11 | |
| Height | mm | 1650 |
| Width | mm | 3450 |
| Depth | mm | 700 |
| Weight approx | ca. kg | 380 |
| Code no | S10-381335 | |