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(028) 6258 5368NF9
The NF9 nanofiltration membrane from NanoH2O is engineered to effectively remove natural organics, salts, and emerging contaminants, including long-chain PFAS and THMs, from potable water, industrial water, and wastewater reuse applications. Featuring a 34-mil low dP feed spacer, minimum salt rejection of 98.7%, and permeate flow rate of 10,000 GPD (37.9 m3/day), the LG NF9 delivers exceptional performance and reliability.
PRODUCT FEATURES
- High-performance rejection: Effectively removes THMs, natural organics, and long-chain PFAS compounds.
- Superior fouling resistance: Minimum 98.7% salt rejection and up to 99.99% PFAS removal reduce cleaning frequency and extend membrane lifespan.
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Energy-efficient operation: Low operating pressure (4 - 7 bar) and optimized permeate flow rate (37.9 m3/day).
- Robust construction: Durable membrane material withstands various water conditions and rigorous cleaning protocols.
- Enhanced productivity: Delivers 20% higher permeate flow compared to competitive NF membranes in field testing
- Versatile applications: Municipal water supply, industrial water treatment, and wastewater reuse systems
- Certified quality: NSF/ANSI 61 certification ensures safety for potable water applications
SPECIFICATIONS
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Permeate flow rate
10,000 GPD (37.9 m3/day)
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Minimum salt rejection
98.7%
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Active membrane area
400 ft2 (37 m2)
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Feed spacer thickness
34 mil, low dP
NanoH2O’S NF9 NF membrane represents an advanced solution specifically designed for applications requiring effective removal of salts, organic compounds, and emerging contaminants such as PFAS. This comprehensive overview details the product’s technical specifications, operating conditions, distinctive features, and practical applications to help customers make informed decisions.
1. Technical specifications of NF9 NF membrane
The NF9 nanofiltration membrane features a large active membrane area and high permeate flow rate, effectively meeting the demands of water treatment systems requiring high capacity and stable performance. This product line excels with superior salt rejection capability and adapts to various municipal and industrial water applications. Comprehensive technical specifications are detailed below:
| SPECIFICATION | VALUE |
|---|---|
| Permeate flow rate | 10,000 GPD (37.9 m3/day) |
| Minimum salt rejection | 98.7% |
| Active membrane area | 400 ft2 (37 m2) |
| Feed spacer thickness | 34 mil, low dP |
2. Operating specifications for NF9 NF membrane
Adherence to the manufacturer’s recommended operating parameters is mandatory to ensure peak performance and long-term durability. NF9 membranes are engineered for stable operation across a broad pH range, high temperatures, and robust chemical resistance during intensive cleaning cycles. The following table provides essential operating specifications for the NF9 that should not be overlooked.
| 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 | 1 – 13 |
| Maximum feed water turbidity | 1.0 NTU |
| Maximum feed water SDI15 | 5.0 |
| Maximum feed flow | 75 gpm (17 m3/h) |
| Maximum pressure drop (ΔP) for each element | 15 psi (1.0 bar) |
3. Key features of NF9 NF membrane
The NF9 has multiple advantages that make it the preferred choice for modern water treatment applications. From optimized design to superior fouling resistance and exceptional salt rejection efficiency, this membrane delivers consistent stability and performance:
- Comprehensive contaminant removal: High removal efficiency for natural organics, THMs, long-chain PFAS, and salts
- Optimized flow design: 34-mil low differential pressure (low dP) feed spacer design minimizes pressure drop and optimizes flow distribution
- Extended service life: Superior fouling resistance with minimum 98.7% salt rejection and up to 99.99% PFAS removal reduces cleaning frequency and extends membrane lifespan
- Energy efficiency: Low operating pressure (4 – 7 bar) and optimized permeate flow rate (37.9 m3/day) reduce energy consumption
- Enhanced performance: Delivers 20% higher permeate flow compared to competitive NF membranes
- Quality assurance: NSF/ANSI 61 certified compliance ensures safety and reliability

4. Advantages of NF9 NF membrane
Beyond effective filtration capability, the LG NF9 delivers superior economic and technical advantages. The membrane contributes to reduced operating costs, energy savings, and enhanced permeate quality across various industrial water treatment processes:
- Cost-effective operation: High permeate quality with minimal energy consumption
- Reduced maintenance: Lower cleaning frequency saves chemicals and extends membrane lifespan
- Operational stability: Consistent performance optimizes efficiency and reduces costs
- Minimized downtime: Superior fouling resistance and reduced maintenance requirements
5. Certifications of NF9 NF membrane
The NF9 filtration membrane has achieved NSF/ANSI 61 certification, ensuring safety for potable water systems and meeting stringent international standards for safety and performance in water treatment applications. This certification validates the membrane’s suitability for municipal and industrial water supply systems worldwide. Detailed certification information is available at: View NF9 NSF/ANSI 61 certification details.
6. Applications of NF9 NF membrane
With superior filtration capability and durable operation, the NF9 serves multiple water treatment sectors as an ideal solution for systems requiring high-quality, stable effluent water, even when treating complex influent sources:
- Municipal water supply: Ensures safe drinking water for communities meeting rigorous quality standards
- Industrial water treatment: Suitable for production water systems requiring water softening and purification
- Wastewater reuse: Enables efficient treatment for domestic and industrial reuse applications

7. ATS Water Technology – Authorized distributor of NF9 NF membrane
Selecting genuine filtration membranes with proper technical support is crucial for enabling water treatment systems to operate reliably, cost-effectively, and achieve optimal performance. ATS Water Technology serves as the official distributor of NanoH2O in Vietnam.
With extensive water treatment experience, we supply genuine products while providing comprehensive technical consultation, system design, and advanced technology solutions.
The NF9 nanofiltration membrane represents a strategic component of our product portfolio, serving potable water treatment systems, industrial water treatment, and wastewater reuse applications. We provide complete technical documentation, product certifications, and compatibility assessments to help customers select the appropriate membrane configuration for their specific requirements.
Contact ATS Water Technology today for expert consultation and competitive solutions.
ATS WATER TECHNOLOGY CO., LTD
- Head office: 54/18 Bui Quang La, An Hoi Tay Ward, HCMC, Vietnam
- Branch office: 77 DHT10B, Dong Hung Thuan Ward, HCMC, Vietnam
- Consultation and support: (028) 6258 5368 – (028) 6291 9568
- Email: info@atswatertechnology.com
- Social media: Facebook | LinkedIn | YouTube
- Quick contact: Zalo Official | Telegram | WhatsApp
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