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500 GPD Seawater Reverse Osmosis Desalination System (Watermaker)

-- Converts Seawater to potable grade water.
-- Can run with solar/wind power generator

  • boats
  • beach houses
  • beach side restaurants
  • emergency preparedness
  • hydroponics
  • etc..

Technical Specifications

  • Daily production rate: 500-600 GPD/ 1900-2300 LPD
  • Feed water: less than 40000 ppm
  • Required feed water pressure: 40 psi
  • Average feed water temperature: 25 °C/ 77 °F
  • Product water quality: less than 500 ppm
  • Recovery Rate: 16%
  • Feed water rate: 1.8 GPM
  • Working Pressure: up to 950 psi
  • Dimension (L x W x H): 114 x 41 x 45.7 (cm)/ 45 x 16 x 18 (in)
  • Weight: 115 lb/ 52 kg
RO System

The construction of the membrane is a Thin Film Composite (TFC). It is the highest quality membrane available in the industry. The reverse osmosis pressure vessel is a heavy-duty housing made of corrosion resistant fiberglass.
  • Pre-Filtration System: PVC housing, 5-micron cartridge type sediment filter further reduces suspended solids in the feed water stream to RO system. It protects the RO high-pressure pump and lead end RO membrane elements from debris. 5 GPM rating. 1 No.
  • Membrane Housing: fiberglass, 2.5" housing, holds 1 membrane, 1000 psi rated pressure vessel, 2 No.
  • Membranes: 2 No. 2.5"x40"
  • High pressure RO Pump: CAT Pump, 316 Stainless Steel.
  • Motor (120VAC/60hz/single phase): 1 HP, TEFC.
  • High pressure side piping material: 316L Stainless Steel
  • Low pressure side piping material: Schedule 80 PVC
  • Concentrate control valve: 316 Stainless Steel
  • Water quality monitor: product water TDS meter
  • Flow meters: Panel Mount Flow Meters for feed water and product water.
  • Pressure Gauges: Feed Water Pressure, working pressure, Concentrate
  • System controls (automatic operation):
  • Automatic control to provide start/stop, sequential, and alarm control.

RO System start permissible conditions:
  1. Power On
  2. Start button pushed
  3. No Low pressure Fault
  4. No High Pressure Fault
  5. Permeate water tank level below low level (low and high level switches are on open position)

Five conditions will cause the RO to shut down the machine:
  1. High working pressure,
  2. Low inlet pressure (<20 psi)
  3. Fuse overload
  4. Product water storage tank level high
  5. Stop button pushed.