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Reverse Osmosis – Model KRFU 3500
Reverse Osmosis – Model KR KRFU 3500
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 very high permeate recovery up to 90 % due to additional concentrate stage and high salt rejection up to 98.5 %. With controller RO 5000 and horizontal 8‘‘ membranes as well as concentrate rinsing unit, connection set for manual cleaning device.
Stainless steel main frame housing the instruments and controls. Special inlet filter with 5 μm-filter cartridge, high pressure pump low noise (incl. frequency converter for KR/FU systems), multi-stage centrifugal type, specially combined spirally wound modules with PA/PS composite membranes in GRP vessels with inliner.
| KR/FU 3500 Technical Data | ||
| Permeate flow rate | l/h | 3,500 |
| Min. salt rejection | % | 98,5 |
| Recovery | % | 85 |
| Operating pressure | bar | 18 |
| Membrane element / number | 4040 / 14 | |
| Voltage | V/Hz | 3 x 400 V / 50 |
| Motor power | kW | 5.5 |
| Pre-fusing | A | 16 |
| Feedwater connection | DN | 32 |
| Permeate / concentrate connection | DN | 25/ 25 |
| Conductivity permeate | μS/cm | 2 – 200 |
| Cond. permeate recirculation | μS/cm | 20 - 2,000 |
| Height | mm | 1,650 |
| Width | mm | 3,550 |
| Depth | mm | 700 |
| Weight approx | kg | 450 |
| Code no. | 381837 | |