• Home
  • /Seawater Desalination

Seawater Desalination

S3 Series Desalination (Seawater) RO Systems

S3 Series systems are designed and manufactured for seawater applications with capacities ranging from 600-200 gallons per day. The unique and compact design allows for easy installation in any space. The high grade corrosion resistant aluminum frame features a modular 2-in-1 design that allows for the system to be divided in to multiple assemblies for easier mounting. The S3 series is also equipped with premium components which include a 316L SS plunger-type pump for high performance and corrosion resistance, a programmable computer with many built-in features, fiberglass membrane housings durability and FilmTec seawater membranes for the highest quality product water.

Each unit is preplumbed, wired, assembled and factory tested for easy plug and play installation.

Included features:

  • S150 Computer controller (LCD Backlit display, Tank level input, low pressure monitoring and alarm, high pressure monitoring and alarm, TDS monitoring)
  • Permeate and Concentrate flow meters
  • Prefilter, pump discharge, and concentrate pressure gauges
  • 316SS needle valve
  • 10 micron and 5 micron prefilters
  • FilmTec high rejection seawater membranes
  • High-pressure filament-wound FRP membrane housings – 1000 psi
  • GP 316SS Plunger-Type Pump
  • TEFC Motor with Thermal Motor Protection
  • Plast-O-Matic PVC Flush solenoid valve
  • Low and high pressure switches
  • High grade Powder Coated Aluminum frame

Model S3-1125 S3-2125 S3-3125 S3-4125
Membrane Size 2540
Membrane Qty 1 2 3 4
Max. TDS Feed (ppm) 45,000
Standard Recovery Rate 15% 20% 25% 36%
Nominal Salt Rejection 99%
Permeate Flow GPM (GPD) 0.41 (590) 0.83 (1200) 1.25 (1800) 1.52 (2200)
Minimum Feed Flow GPM 4.2
Max. Feed Flow GPM 6
Feed Connection 1/2″ FNPT
Permeate Connection 3/8″ Tubing
Concentrate Connection 3/8″ Tubing
Voltage 220VAC 1 Ph
Voltage Options 220VAC 3 Ph
Voltage Amp Draw 11.5 – 12.5
Dimensions (inches) 48″ x 24″ x 18.5″
Weight lb (kg) 145 (66) 155 (70) 165 (75) 175 (79)

Download a brochure here