Model |
Pressure(psi/Mpa) |
Effective Membrane Area(ft²/m²) |
Flow Rate(GPD/m/d) |
Salt Rejection(%) |
Type OfSolution |
NF90-4040 |
70/.0.48 |
82/7.6 |
1400/5.3
2000/7.6 |
85-95
≥99 |
NaCL
MgSO4 |
NF90-8040 |
400/37 |
7500/28.4 |
85-95 |
NaCL |
10000/38 |
≥99 |
MgSO4 |
NF150-4040 |
82/7.6 |
1610/6.1
1910/7.2 |
50-70
≥99 |
NaCL
MgSO4 |
NF150-8040 |
400/37 |
8250/31.2 |
50-70 |
NaCL |
9780/36.8 |
≥99 |
MgSO4 |
NF280-4040 |
82/7.6 |
2925/11.1 |
40-60 |
NaCL |
2500/9.4 |
≥97 |
MgSO4 |
NF280-8040 |
400/37 |
14700/55.6 |
40-60 |
NaCL |
12500/47.3 |
≥97 |
MgSO4 |
NF500-4040 |
82/7.6 |
2700/10.2 |
≥90 |
MgSO4 |
NF500-8040 |
400/37 |
13200/50 |
≥90 |
MgSO4 |
Versatile Applications
Applicable Industries: Expertly crafted to seamlessly integrate into Commercial Use, ensuring unmatched efficiency and utility.
Application: Specifically engineered for high TDS film membrane applications, this product guarantees exceptional performance and reliability, meeting the highest standards with ease.
Active Membrane Area: With an expansive 31.97 ft², this design not only maximizes efficiency but also enhances output, securing peak productivity and unmatched operational excellence.
Average Permeated Flow: Delivers an extraordinary 800GPD, this ensures consistent, robust water processing capabilities that set a benchmark in efficiency and reliability.
Stable Rejection Rate: Consistently maintains a high rejection rate of 96%-97%, providing superior water quality with each use, ensuring purity and excellence.
Function: Efficiently eliminates COD, BOD, and NH-N, significantly enhancing water purity and quality, setting new standards in clean water technology.
Home RO membrane variants available: 75GPD, 100GPD, 150GPD, and 200GPD, tailored to ensure a perfect fit for every household requirement.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, designed to address a wide spectrum of commercial demands with precision and reliability.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, expertly designed to meet diverse industrial needs, ensuring comprehensive coverage for industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously designed for municipal water, tap water, and well water applications. They provide unparalleled desalination treatment, making them the ideal choice for premium bottled water, direct drinking water, food processing, pharmaceutical production, and beyond, ensuring unmatched quality and performance.
Product advantages
1-HJC NANO membrane-- NEVER CUT CORNERS/SUPREME MATERIALS, ensuring top-tier quality and reliability.
2-Excellent service and reasonable pricing for nano membrane, making quality accessible and affordable.
3-Durable quality and aesthetically perfect appearance for nano membrane, combining functionality with visual appeal.
4-Salt rejection rate of 30%-50%, ensuring optimal performance in diverse conditions.
5-OEM services: BASED ON CLIENT REQUEST (FREE design, LABEL, PACKING, SIZE OF NANO MEMBRANE), offering tailored solutions to meet specific client needs.








Sandmonk Technology Co., Ltd., affectionately known as SAND.K, is wholeheartedly committed to the evolution of water environmental technology. Leveraging a global supply chain, we lead with pioneering innovations that redefine industry standards and set new benchmarks. We provide comprehensive, one-stop solutions specifically tailored for small to medium-sized equipment manufacturers. Our dedication is evident through our cross-border e-commerce initiatives, extending our influence to a global audience in developing regions, demonstrating our commitment to excellence.
With cutting-edge independent research and development, combined with robust manufacturing capabilities, we are industry leaders, consistently setting new standards. Through meticulous data analysis, we deliver custom solutions for regions with high salinity water challenges, setting new benchmarks in water treatment standards and ensuring unparalleled effectiveness.
Our versatile solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater, offering comprehensive solutions for modern challenges. Furthermore, our competitive pricing offers a distinctive edge within the industry, providing unmatched value and exceptional service to our clients.

QUESTION |
ANSWER |
Are you a factory or trading company? |
Yes, we have our own factory. |
Can you offer OEM service? |
Yes, OEM is OK. |
Can I get samples from you factory? |
Sure. We are pleased to. |
What would you do if some quality problem occur? |
We will be responsible to all quality problem. |