Catalog excerpts
FRESH WATER MAKER - NWC4-80/60 Reverse Osmosis Fresh Water Maker, NWC-Series with nominal capacity at seawater temp 25°C and salinity 35 000 ppm: • 80 TPD <330ppm TDS Potable Water or Rack mounted in stainless steel skid with integrated PLC control/starting cabinet. Built with automatic freshwater flushing system for membrane protection, and automatic "water drop" system with alarm on high salinity. Fitted with digital flow-meter for accurate reading of moment and total production. Unit complete with sea water filter and carbon flush water filter. Nominal capacity Potable water Nominal capacity Technical water Minimum feed water flow Minimum feed water pressure Maximum feed water pressure Nominal system pressure (PG2) Maximum system pressure (PG2) Maximum permeate back-pressure Maximum utility back-pressure Maximum concentrate back-pressure Pilot air pressure Calculated max. power consumption Motor rating S1 duty System voltage Nominal product conductivity Potable / Technical Maximum product conductivity Potable / Technical Raw water pre-filtration Flush water prefiltration Surrounding temperature Product water connection (N1) Concentrate connection (N2) Feed water connection (N3) Flush water connection (N4) Pilot Air (N5) Product water connection technical (N6) Unit dimension (l x b x h) (m) Unit Operational weight *1 Note = Alternative system voltage at request *2 Note = Alternative temperature limits at request
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Note 1: Maintenance space min. 1000mm at one side Note 2: Maintenance space min. 300mm 1 Seawater feed or booster pump 2 Pre-Filtration arrangement 3 Pre-Filtration arrangement 4 High-Pressure seawater pump 5 Pressure vessel with membranes 6 Pressure regulating valve 7 Conductivity sensor ^ ' 8 Production diverter valve 9 Post treatment pH-Regulating arrangement
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