LG SW 400 R SWRO Membranes

Original price was: 669 $.Current price is: 625 $.

LG SW 400 R SWRO membranes provide superior performance with a combination of high rejection and low energy requirements, leading to the reduced total cost of desalination.

They are ideal for medium to high salinity seawater applications, delivering high-quality freshwater.

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LG Chem Product: LG SW 400 R
Size (Approximate): 8" Dia. x 40"L
Flow Rate: 9,000 gpd (34.1 m³/d)
Applied Pressure: 225 psig (15.5 bar)
Stabilized Salt Rejection: 99.85%
Minimum Salt Rejection: 99.7%
Active Surface Area: 400 ft2  (37 m2)
Feed Spacer: 34 mil
Single Element Recovery: 8%
Boron Rejection: 93%
NaCL: 32,000 ppm
Max. Operating Pressure: 1,200 psi (82.7 bar)


  • LG offers a complete seawater RO range
  • LG membranes have proven their quality, the brand has a good reputation
  • Q+ Intuitively designed projection software
  • All membranes are incorporated with innovative Thin Film Nanocomposite (TFN) technology, reducing the cost of desalination while delivering superior water quality

Typical applications

  • Process water
  • Power Generation
  • Municipal industrial
  • Food & Beverage
  • Commercial applications

Downloadable PDF

LG SW 400 R SWRO Membranes (English)