LG BW 4040 UES BWRO Membranes

195 $

LG BW 4040 UES BWRO membrane is part of the NanoH20™ product line and is designed for use in municipal and industrial applications. These membranes feature Thin Film Nanocomposite (TFN) technology, which provides superior filtration and anti-fouling properties, ensuring consistent and reliable performance.

These membranes have been tested in major utilities around the world and have proven to be highly effective and suitable for a wide range of applications where high-quality water filtration is required.

Categories: , , , Tag:

Product details

LG BW 4040 UES Ultra Energy Saving Brackish Water RO membranes offer high permeability at low feed pressure significantly reducing operating costs; suitable for low salinity brackish water applications.

LG Chem’s NanoH2O™ brackish water RO membranes serve various municipal and industrial applications and major utilities around the world. LG BWRO membranes, all incorporated with innovative Thin Film Nanocomposite (TFN) technology, are offered in industry standard configurations and can easily fit into existing and new RO plants.

  • Diameter: 4″
  • Active Membrane: 85 ft²
  • Type: Brackish water
  • Permeate Flow: 2,600 GPD
  • Salt Rejection: 99%
  • Minimum NaCl Rejection: 98%


LG Chem Product: LG BW 4040 UES
Size (Approximate): 4" Dia. x 40"L
Flow Rate: 2,700 gpd (10.2 m³/d)
Applied Pressure: 100 psig (6.9 bar)
Stabilized Salt Rejection: 99.0%
Minimum Salt Rejection: 98.0%
Active Surface Area: 85 ft2  (7.9 m2)
Single Element Recovery: 15%
End Style: Standard Male PWT
Exterior: Hard Shell Fiberglass
Feed Spacer: 28 mil
Membrane Type: Thin Film Nanocomposite
Can Replace Elements: FilmTec XLE-4040
Hydranautics ESPA4-4040
Toray MH10A


  • LG membranes have proven their quality, the brand has a good reputation
  • LG offers a complete brackish water range
  • 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
  • Municipal industrial
  • Commercial applications

Downloadable PDF

LG BW 4040 UES BWRO Membranes (English)