Contact us

Seawater RO LG

LG Chem NanoH2O Seawater Reverse Osmosis (SWRO) Membranes LG Chem’s NanoH2O™ seawater RO membranes, incorporated with innovative Thin Film Nanocomposite (TFN) technology, reduce the cost of desalination while delivering superior water quality. LG seawater RO membranes provide high salt rejection and produce 20% more flow than membranes manufactured with conventional technologies. All Refine, Inc. is a master distributor of LG Chem seawater membranes, with many models in stock for immediate shipment. LG SWRO membranes purchased from ART are backed by the technical expertise and support of our staff of experienced water quality technicians. Contact us today for a quotation and to discuss your water treatment challenges.

LG Chem Seawater Reverse Osmosis Membranes (SWRO Membranes)

Product Nominal Size Permeate Flow Rate Active Membrane Area Stabilized Salt
Rejection		 Stabilized Boron
Rejection
gpd m3d ft2 m2s
LG SW 400 SR G2 8″ x 40″ 6,000 22.7 400 37 99.89% 93%
LG SW 440 SR G2 8″ x 40″ 6,600 25.0 440 41 99.89% 93%
LG SW 400 GR G2 8″ x 40″ 7,500 28.4 400 37 99.89% 93%
LG SW 440 GR G2 8″ x 40″ 8,250 31.2 440 41 99.89% 93%
LG SW 400 SR 8″ x 40″ 6,000 22.7 400 37 99.85% 93%
LG SW 440 SR 8″ x 40″ 6,600 25.0 440 41 99.85% 93%
LG SW 400 GR 8″ x 40″ 7,500 28.4 400 37 99.85% 93%
LG SW 440 GR 8″ x 40″ 8,250 31.2 440 41 99.85% 93%
LG SW 400 R 8″ x 40″ 9,000 34.1 400 37 99.85% 93%
LG SW 440 R 8″ x 40″ 9,900 37.5 440 41 99.85% 93%
LG SW 400 ES 8″ x 40″ 13,700 51.9 400 37 99.80% 89%
LG SW 440 ES 8″ x 40″ 15,070 57.0 440 41 99.80% 89%

Each LG 8″ membrane element is supplied with one membrane interconnector/ membrane coupler.

LG Seawater Reverse Osmosis SWRO Membranes

LG Seawater RO Membrane Product Classification

LG Membranes SWRO Seawater RO Membranes with High Rejection
  • R
  • SR
  • GR
 High Rejection Membranes
R, SR, and GR seawater membranes are well suited for high feed TDS and high permeate quality requirements.
LG Membranes SWRO Seawater RO Membranes with Low Energy Low Pressure
  • ES
 Energy-Saving Membranes
ES seawater membranes are well suited for low feed TDS and low temperature seawater applications.
LG Membranes SWRO Seawater RO Membranes with High Rejection
  • SR G2
  • GR G2
 Next Generation High Rejection Membranes
SR G2 and GR G2 next generation seawater membranes offer 99.89% rejection, ideal for the highest permeate quality requrements.

Ready to Choose Us?

Our Edge in Water Treatment:‌

Proven Expertise‌ – 20+ years, 500+ global projects.
‌Smart Innovation‌ – AI-driven systems, ZLD tech, modular designs.
Sustainability First‌ – Energy-efficient, zero-waste solutions.
End-to-End Partnership‌ – From design to maintenance, tailored for your needs.
‌Partner with us‌ to scale impact, cut costs, and lead in sustainable water solutions.