BW 4040 ES

The BW 4040 ES RO membrane from NanoH₂O features a 28-mil feed spacer and Thin-Film Nanocomposite (TFN) technology, enhancing anti-fouling properties while delivering up to 99.5% salt rejection and a permeate flow rate of 2,500 GPD (9.5 m³/day). Designed for low-pressure operation, it optimizes energy efficiency while ensuring high water purity.

Brand: LG Chem – NanoH2O

Product Type: Membranes

PRODUCT FEATURES

Advanced Thin-Film Nanocomposite (TFN) technology for enhanced filtration efficiency and energy savings.
High salt rejection of up to 99.5%, ensuring premium water quality.
28-mil feed spacer to optimize flow.
Durable design, ensuring stable operation and reduced cleaning frequency.
Energy-efficient operation, lowering electricity costs for RO systems.

SPECIFICATIONS

Permeate flow rate

2,500 GPD (9.5 m³/d)
Stabilized salt rejection

99.5%
Minimum salt rejection

99.2%
Maximum applied pressure

600 psi (41.3 bar)
Active membrane area

85 ft² (7.9 m²)
Feed spacer thickness

28 mil

The BW 4040 ES RO membrane is an optimal choice for small-scale water treatment systems, providing high-purity water with exceptional salt rejection. Thanks to advanced Thin-Film Nanocomposite technology, this membrane offers superior salt rejection, minimizes scaling, and optimizes operating costs.

In this section, we provide detailed information on the technical specifications, operating conditions, key features, advantages, and applications of the LG BW 4040 ES brackish water RO membrane to help customers accurately assess its suitability for their water treatment systems.

1. Technical specifications of the BW 4040 ES RO membrane

Understanding the technical specifications allows us to evaluate the performance and compatibility of the RO membrane within a water treatment system. The BW 4040 ES is designed with high water flow capacity, effective salt rejection, and exceptional durability, making it suitable for various applications. The specific details are as follows:

SPECIFICATION	VALUE
Permeate flow rate	2,500 GPD (9.5 m³/d)
Stabilized salt rejection	99.5%
Minimum salt rejection	99.2%
Active membrane area	85 ft² (7.9 m²)
Feed spacer thickness	28 mil

2. Operating Specifications of the BW 4040 ES membrane

Maintaining proper operating conditions ensures optimal performance and extended membrane lifespan. The BW 4040 ES is designed to operate efficiently across a broad pressure and pH range, making it suitable for diverse water treatment applications.

SPECIFICATION	VALUE
Maximum applied 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	16 gpm (3.6 m³/h)
Maximum pressure drop (ΔP) for each element	15 psi (1.0 bar)

3. Key features of the BW 4040 ES RO membrane

The LG BW 4040 ES RO membrane is developed with advanced technology, providing superior water filtration performance and long-term operational stability. The features below make this product an ideal choice for light industrial and commercial water treatment systems:

High salt rejection of up to 99.5%, ensuring premium-quality water output.
28-mil feed spacer.
Stable operation, making it ideal for commercial and light industrial RO systems.

4. Advantages of the BW 4040 ES RO membrane

The BW 4040 ES provides significant benefits to water treatment systems, helping reduce energy consumption and operational costs. Below are its key advantages:

Energy-efficient design, reducing electricity consumption.
Consistent high performance, maintaining stable permeate flow and water purity.
Durable membrane structure, ensuring long-term reliability.
NSF/ANSI 61 certification, meeting international safety standards for drinking water system components.

Ưu điểm của màng RO LG BW 4040 ES — *BW 4040 ES RO membranes feature numerous outstanding advantages*

5. Certifications of the BW 4040 ES RO membrane

The BW 4040 ES is certified to NSF/ANSI 61, ensuring compliance with international safety standards for drinking water treatment components. This certification guarantees product quality and reliability.

Please visit the following link for more details: NSF/ANSI 61 Certification for BW 4040 ES RO membranes

6. Applications of the BW 4040 ES RO membrane

Thanks to its advanced design and high filtration efficiency, the BW 4040 ES membrane is widely applied in various water treatment sectors. Below are some common applications:

Light industrial water treatment, used in small-to-medium scale filtration systems.
Commercial applications, providing high-purity water for the food, pharmaceutical, and manufacturing industries.

7. Authorized distributor of BW 4040 ES RO membranes

Selecting an authorized supplier is crucial to ensuring stable RO system operation. ATS Water Technology Co., Ltd. is the official distributor of BW 4040 ES RO membranes from NanoH₂O in Vietnam, offering high-quality products with full international certifications. We are committed to providing comprehensive water treatment solutions, helping customers select the most suitable products for their needs.