Phone
(028) 6258 5368
Solution 
Technology 
Application 
LG SW 400 R
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.
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.
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Specifications
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Permeate flow rate
9,000 GPD (34.1 m3/d)
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Stabilized salt rejection
99.85%
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Stabilized boron rejection
93%
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Maximum applied pressure
1,200 psi (82.7 bar)
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Active membrane area
400 ft2 (37 m2)
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Feed spacer thickness
34 mil
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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.
ATS WATER TECHNOLOGY CO., LTD
- Headquarter: 54/18 Bui Quang La, Ward 12, Go Vap District, HCMC, Vietnam
- Branch office: 77 DHT10B, Dong Hung Thuan Ward, District 12, HCMC, Vietnam
- Consultation and support: (028) 6258 5368 – (028) 6291 9568
- Email: info@atswatertechnology.com
- Social media: Facebook | LinkedIn | Zalo Official
