LG SW 400 R

Name: LG SW 400 R
Availability: InStock
Rating: 4.9 (22 reviews)

The LG SW 400 R is a premium seawater reverse osmosis (SWRO) membrane from LG Chem, utilizing advanced Thin-Film Nanocomposite (TFN) technology. With a salt rejection rate of up to 99.85% and a permeate water flow rate of 9,000 GPD (34.1 m³/day), this product is ideal for single or multi-pass seawater RO systems.

Brand: LG Chem – NanoH2O

Product Type: SWRO membranes

PRODUCT FEATURES

Advanced proprietary Thin-Film Nanocomposite (TFN) technology: Enhances filtration efficiency and energy savings.
High salt rejection: Achieves a salt rejection rate of up to 99.85%.
Improved water quality: Delivers high permeate water flow rates, significantly enhancing water quality.
Energy efficiency: Optimizes operational costs while maintaining high performance.
Fouling resistance: Extends membrane lifespan with excellent anti-fouling technology.
Certified safety: Meets NSF/ANSI/CAN 61 standard for drinking water system components.

SPECIFICATIONS

Permeate flow rate

9,000 GPD (34.1 m³/d)
Stabilized salt rejection

99.85%
Stabilized boron rejection

93%
Maximum applied pressure

1,200 psi (82.7 bar)
Active membrane area

400 ft² (37 m²)
Feed spacer thickness

34 mil

Selecting the right RO membrane is critical for improving filtration efficiency and optimizing long-term operational costs. The LG SW 400 R is a trusted business solution due to its balanced salt rejection and productivity. Below is detailed information to help you make an informed decision.

1. Technical specifications of the LG SW 400 R membrane

Below is a complete table of technical specifications to help you evaluate the membrane’s performance in seawater treatment systems:

SPECIFICATION	VALUE
Permeate flow rate	9,000 GPD (34.1 m³/d)
Stabilized salt rejection	99.85%
Minimum salt rejection	99.7%
Stabilized boron rejection	93%
Active membrane area	400 ft² (37 m²)
Feed spacer thickness	34 mil

2. Operating specifications of the LG SW 400 R membrane

To ensure stable operation and extended lifespan, please adhere to the following operating specifications:

SPECIFICATION	VALUE
Maximum applied pressure	1,200 psi (82.7 bar)
Maximum chlorine concentration	< 0.1 ppm
Maximum operating temperature	45°C (113°F)
pH range, continuous operation	2 – 11
pH range, cleaning	2 – 13
Maximum feed water SDI₁₅	5.0
Maximum feed water turbidity	1.0 NTU
Maximum feed flow	75 gpm (17 m3/h)
Maximum pressure drop (ΔP) for each element	15 psi (1.0 bar)

3. Key features of the LG SW 400 R membrane

The LG SW 400 R is designed to meet stringent seawater treatment requirements, delivering outstanding performance with the following key features:

Thin-Film Nanocomposite (TFN) Technology: Enhances filtration efficiency and energy savings.
High salt rejection: Maintains a stable salt rejection rate of 99.85%, ensuring high-quality permeate water.
Optimized flow rate: High permeate water flow rate improves system efficiency.
34-mil Feed spacer design: Minimizes fouling, reduces clogging risks, and extends membrane lifespan.
Cost efficiency: Reduces operational costs, making it ideal for single or multi-pass seawater RO systems.

4. Advantages of the LG SW 400 R membrane

The LG SW 400 R offers numerous advantages over other products on the market:

Improved water quality: Enhances permeate water quality without increasing operating pressure.
Energy savings: Reduces energy costs while maintaining stable filtration performance.
Cost efficiency: Lowers investment and operational costs, optimizing system efficiency.
Versatility: Suitable for various seawater RO systems, from small to large-scale applications.
Certified safety: Meets NSF/ANSI/CAN 61 standard, ensuring safety and high-quality permeate water.

5. Certifications of the LG SW 400 R membrane

The LG SW 400 R is certified to NSF/ANSI/CAN 61 for drinking water system components, ensuring customer confidence in water quality. For the full certification list, visit: LG SW 400 R’s Certification

6. Applications of the LG SW 400 R membrane

The LG SW 400 R is widely used in various industrial RO systems, offering durable design and exceptional salt rejection. Key applications include:

Desalination plants: Provides clean water for coastal communities and industries.
Food and beverage industry: Uses purified water in production processes.
Single and multi-pass SWRO systems: Supplies freshwater for domestic use on ships and offshore facilities.
Power plants: Utilizes ultrapure water for equipment cooling and operations.

7. ATS Water Technology – Authorized distributor of LG SW 400 R membranes

ATS Water Technology Co., Ltd. is a trusted partner of LG Chem in Vietnam, providing the LG SW 400 R with certified quality. Our products ensure superior filtration performance, energy savings, and maximum durability.

With over 15 years of experience in water treatment, we supply genuine products and offer in-depth consulting and dedicated technical support. When you purchase RO membranes from ATS Water Technology, you can be confident in the product’s origin, full certifications, and market-leading reputation.