LG BW 400 R G2 – HIGH-REJECTION BRACKISH WATER RO MEMBRANE

LG Chem membrane element. Available now in the U.S. with volume pricing, technical support, and immediate shipping.

INTRODUCING LG CHEM’S HIGHEST REJECTION BRACKISH WATER RO MEMBRANE

The LG BW 400 R G2 is a high-performance brackish water RO membrane, engineered to deliver up to 99.8% salt rejection with reduced fouling and excellent long-term performance. Built with advanced NanoH2O TFN brackish water membrane technology, this 8-inch RO membrane element provides stable, high-purity output for demanding industrial, municipal, and reuse applications.

Envirogen is an approved U.S. distributor of the LG Chem brackish water RO membrane – the LG BW 400 R G2 – offering stock availability, expert technical support, installation services, membrane cleaning and inspection, and flexible stocking programs tailored to your operational needs.

Download the official LG BW 400 R G2 datasheet (PDF)

Official LG BW 400 R G2 membrane element – engineered for high salt rejection and fouling resistance in brackish water RO systems. Supplied by Envirogen with immediate U.S. shipping and technical support.

 

KEY FEATURES OF THE LG BW 400 R G2 MEMBRANE ELEMENT

Designed for high efficiency and reliability, this brackish water RO membrane offers the following standout features:

 

  • Superior salt rejection of up to 99.8%
  • Engineered using NanoH2O TFN brackish water membrane technology
  • 34-mil feed spacer reduces pressure drop and cleaning frequency
  • High resistance to fouling and scaling for longer membrane life
  • NSF certified brackish water RO membrane – approved for U.S . drinking water systems
  • Backed by LG Chem brackish water RO membrane engineering and certification

OPERATIONAL BENEFITS AND LONG-TERM VALUE

The LG BW 400 R membrane helps operators reduce total cost of ownership through:

 

  • Consistently high permeate quality across variable feed conditions
  • Reduced cleaning frequency and chemical usage
  • Excellent recovery after cleaning and fewer changeouts
  • Lower energy usage due to optimized surface hydraulics
  • Ideal for both new systems and RO membrane replacement projects

WHY SELECT ENVIROGEN AS YOUR LG CHEM MEMBRANE PARTNER

Envirogen is more than a product supplier – we’re a trusted engineering partner. As an approved distributor of LG Chem brackish water RO membrane systems, we provide:

 

  • Genuine LG BW 400 R G2 membranes with full certification
  • Immediate U.S. shipping and flexible stocking programs
  • Expert selection advice and sizing support
  • Access to our professional membrane cleaning and preservation service
  • Ongoing support for RO membrane replacement and optimization

 

Example reverse osmosis membrane element in service. Envirogen supplies the LG BW 400 R G2 brackish water RO membrane with installation support, membrane cleaning, and immediate U.S. shipping.

 

FAQs

Have questions? Here are some of the most common things people ask before choosing the LG BW 400 R G2 brackish water RO membrane. For additional technical information, you can download the official datasheet (PDF).

 

If you still have questions, contact us via the contact form, and our team will be happy to help.

What is the salt rejection rate of the LG BW 400 R G2?

The LG BW 400 R G2 brackish water RO membrane delivers up to 99.8% salt rejection, making it one of the highest-performing options for high-purity permeate in industrial, municipal, and water reuse systems.

Is this membrane certified for drinking water use?

Yes – this is an NSF certified brackish water RO membrane, compliant with NSF/ANSI/CAN 61, and suitable for U.S. municipal and potable water systems.

What maintenance benefits does the LG BW 400 R G2 offer?

The 34-mil feed spacer reduces pressure drop and fouling, which means fewer cleanings, lower chemical usage, and improved long-term performance.

What size is the LG BW 400 R G2 membrane?

It is a standard 8-inch RO membrane element (200 mm OD, 1,016 mm length), compatible with conventional 8-inch pressure vessels.

When should I perform RO membrane replacement?

Signs include declining permeate flow, higher differential pressure, or lower water quality. Before replacing, consider Envirogen’s professional RO membrane cleaning service to restore performance and extend membrane life.

Where can I buy LG brackish water RO membranes in the U.S.?

Envirogen is an approved U.S. distributor of the LG Chem brackish water RO membrane – the LG BW 400 R G2. We offer fast shipping, technical support, and custom stocking programs.

What applications is this membrane suitable for?

It’s ideal for brackish water RO membrane replacement or new systems in industrial process water, municipal treatment, wastewater reuse, and polishing applications.

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