LG SW 440 GR SWRO Membranes

Original price was: 687 $.Current price is: 645 $.

LG SW 440 GR SWRO (Great Rejection) membranes provide an exceptional level of salt rejection and low energy requirements, resulting in a reduced total cost of desalination.

These membranes are designed for high salinity seawater applications, where high salt rejection is crucial for producing high-quality product water.

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LG Chem Product: LG SW 440 GR
Size (Approximate): 8" Dia. x 40"L
Active Membrane Area: 440 ft² (41 m²)
Applied Pressure: 225 psig (15.5 bar)
Stabilized Salt Rejection: 99.85%
Minimum Salt Rejection: 99.7%
Permeate Flow Rate 8,250 gpd (31.2 m³/d)
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 440 GR SWRO Membranes (English)