LG SW 400 ES SWRO Membranes

Original price was: 671 $.Current price is: 625 $.

The LG SW 400 ES SWRO LG SW ES (Energy Saving) membranes are designed to offer significant energy savings and high-quality water production for low to medium-salinity seawater applications. These membranes are optimized to perform with low feed pressures, reducing the energy consumption and total cost of plant ownership.

The superior membrane permeability allows for greater water production while maintaining excellent salt rejection rates. The LG SW 400 ES SWRO LG SW ES membranes are the ideal solution for those looking to save on energy costs without sacrificing water quality.

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Product details

LG SW 400 ES SWRO (Energy Saving) membranes offer significant energy savings while producing good water quality; suitable for low to medium salinity seawater applications.


LG Chem Product: LG SW 400 ES
Size (Approximate): 8" Dia. x 40"L
Flow Rate: 6,800 gpd (25.7 m3/d)
Applied Pressure: 225 psig (15.5 bar)
Stabilized Salt Rejection: 99.6%
Minimum Salt Rejection: 99.3%
Active Surface Area: 400 ft2  (41 m2)
Feed Spacer: 34 mil
Single Element Recovery: 8%
Boron Rejection: 81%
Exterior: Hard Shell Fiberglass
Membrane Type: Thin Film Nanocomposite


  • 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 ES SWRO Membranes (English)