BW 400 R+

Name: LG BW 400 R+
Availability: InStock
Rating: 4.8 (21 reviews)

The BW 400 R+ RO membrane is a high-performance solution designed to reduce water treatment costs through improved operational efficiency and a high permeate flow of up to 45 m³/day. Leveraging Thin-Film Nanocomposite (TFN) technology, it delivers exceptional salt rejection (up to 99.6%). A 34 mil feed spacer minimizes pressure drop and helps reduce fouling.

Brand: LG Chem – NanoH2O

Product Type: Membranes

PRODUCT FEATURES

Advanced Thin-Film Nanocomposite (TFN) technology enhances treatment performance and fouling resistance.
Up to 99.6% salt rejection ensures consistently high-quality permeate water.
34 mil feed spacer reduces pressure drop and mitigates fouling.
High permeate flow rate of up to 12,000 GPD (45 m³/day).
Durable construction with reduced CIP (Clean In Place) frequency lowers operating costs.
Certified to NSF/ANSI 61 for use in drinking water systems.

SPECIFICATIONS

Permeate flow rate

12,000 GPD (45 m³/d)
Minimum NaCl rejection

99.6%
Stabilized NaCl rejection

99.5%
Maximum operating pressure

600 psi (41 bar)
Active membrane area

400 ft² (37 m²)
Feed spacer thickness

34 mil

The BW 400 R+ is a reliable membrane solution for large-scale water treatment systems that demand efficiency, stability, and energy savings. By combining TFN membrane technology with an optimized feed spacer design, this membrane enhances system performance and extends equipment lifespan.

1. Technical specifications of the BW 400 R+ membrane

Understanding the membrane’s specifications is essential for evaluating its performance and compatibility with your existing system. The BW 400 R+ is distinguished by its high salt rejection and excellent permeate flow.

SPECIFICATION	VALUE
Permeate flow rate	12,000 GPD (45 m³/d)
Minimum NaCl rejection	99.6%
Stabilized NaCl rejection	99.5%
Maximum operating pressure	600 psi (41,3 bar)
Active membrane area	400 ft² (37 m²)
Feed spacer thickness	34 mil

2. Operating specifications of the BW 400 R+ membrane

Operating the BW 400 R+ within the recommended specifications is critical to ensuring optimal membrane performance and extending service life.

SPECIFICATION	VALUE
Maximum operating pressure	600 psi (41.3 bar)
Maximum chlorine concentration	< 0.1 ppm
Maximum operating temperature	45°C (113°F)
pH range, continuous operation	2 – 11
pH range, cleaning	2 – 12
Maximum feed water SDI₁₅	5.0
Maximum feed water turbidity	1.0 NTU
Maximum feed flow	85 gpm (19 m³/h)
Maximum pressure drop (ΔP) for each element	15 psi (1.0 bar)

3. Key features of the BW 400 R+ membrane

Engineered for industrial RO systems, the BW 400 R+ is optimized for long-term, efficient operation. Its nano-enhanced TFN layer delivers superior salt rejection with less frequent cleaning.

TFN technology improves performance and reduces energy consumption.
Up to 99.6% salt rejection supports high permeate water quality.
34 mil feed spacer helps lower pressure drop across the membrane.
High permeate flow (up to 45 m³/day) suits single-pass and two-pass RO systems.
Polyamide active layer embedded with nanomaterials enhances permeability and efficiency.
Reduced CIP frequency cuts chemical use and system downtime.

4. Advantages of the BW 400 R+ membrane

NanoH₂O’s BW 400 R+ membrane offers multiple operational and economic benefits:

Lower energy consumption due to reduced operating pressure drop.
Less frequent cleaning results in lower chemical and maintenance costs.
Stable filtration performance with fast recovery after CIP.
Compatible with both single-pass and double-pass RO systems.
NSF/ANSI 61-certified for compliance with international drinking water standards.

Màng RO LG BW 400 R+ tại kho ATS Water Technology — *BW 400 R+ RO membranes are in stock at the ATS Water Technology warehouse*

5. Certifications of the BW 400 R+ membrane

The BW 400 R+ is certified to NSF/ANSI 61, ensuring its suitability for potable water applications. This certification is an important consideration when selecting membrane elements for drinking water systems.

Learn more about the NSF/ANSI 61 certification of LG BW 400 R+ here: View NSF/ANSI 61 for BW 400 R+.

6. Applications of the BW 400 R+ membrane

Thanks to its high efficiency and robust performance, the BW 400 R+ is ideal for a wide range of applications requiring purified water:

Industrial water treatment for both light and heavy industries
Large-capacity RO systems requiring high flow rates
Second-pass RO systems for ultra-pure water production
Boiler feed water and cooling tower makeup water treatment

7. ATS Water Technology – Authorized distributor of the BW 400 R+ membrane

With years of experience in the water treatment industry, ATS Water Technology is proud to be an authorized distributor of LG Chem’s high-quality RO membranes, including the BW 400 R+ series. Alongside certified membrane products, we provide comprehensive services, from system design to technical support, to help clients optimize performance.

By partnering with ATS Water Technology, you’ll benefit from: