LG SW 400 GR SWRO Membranes

Original price was: 676 $.Current price is: 635 $.

LG SW 400 GR (Great Rejection) SWRO membranes are engineered with advanced technology to offer a superior combination of high salt rejection, low energy consumption, and cost-effective desalination of high-salinity seawater. These membranes are ideal for challenging applications where the salt content in seawater is high.

The LG SW 400 GR membranes are designed to deliver exceptional water quality while reducing the overall operational costs of desalination plants. They are perfect for applications where high-performance and long-lasting performance is essential, providing customers with a reliable and cost-effective solution for their seawater desalination needs.

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LG Chem Product: LG SW 400 GR
Size (Approximate): 8" Dia. x 40"L
Active Membrane Area: 400 ft² (37 m²)
Applied Pressure: 225 psig (15.5 bar)
Stabilized Salt Rejection: 99.85%
Minimum Salt Rejection: 99.7%
Permeate Flow Rate 7,500 gpd (28.4 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 400 GR SWRO Membranes (English)