LG SW 400 GR G2 SWRO Membranes

Original price was: 650 $.Current price is: 630 $.

The LG SW 400 GR G2 membranes are ideal for high salinity seawater applications, as they provide a high degree of salt rejection while minimizing energy consumption, reducing the total cost of desalination. With these membranes, users can achieve superior water quality at a lower cost, making them a popular choice for a range of applications including municipal and industrial water treatment, marine applications, and more.

Overall, the LG SW 400 GR G2 membranes are a reliable and cost-effective solution for those looking to produce high-quality water from seawater sources.

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Product details

The latest LG SW G2 membranes have been designed to revolutionize the desalination process with unmatched salt rejection rates. The advanced Thin Film Nanocomposite (TFN) technology has been incorporated into the LG SW G2 membranes, which can now achieve up to a 45% improvement in product quality when compared to conventional technology. This remarkable feat is coupled with significant cost savings, making LG SW G2 membranes an excellent choice for seawater desalination projects.

LG SW 400 GR G2 (Great Rejection) SWRO membranes have been designed to meet the growing demand for high-quality water by offering a unique combination of exceptional rejection rates and low energy consumption, making them a cost-effective solution for desalination. These membranes use advanced Thin Film Nanocomposite (TFN) technology to achieve a record-breaking salt rejection rate of up to 99.8%, significantly improving the product quality compared to conventional technologies.


LG Chem Product: LG SW 400 GR G2
Size (Approximate): 8" Dia. x 40"L
Active Membrane Area: 400 ft² (37 m²)
Applied Pressure: 225 psig (15.5 bar)
Stabilized Salt Rejection: 99.89%
Minimum Salt Rejection: 99.75%
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 G2 SWRO Membranes (English)