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 for seamless integration into Commercial Use.
Application: Specifically engineered for high TDS film membrane applications, this product guarantees exceptional and reliable performance, setting new standards in the industry.
Active Membrane Area: Boasting an impressive 31.97 ft², this cutting-edge design maximizes efficiency and output, ensuring peak productivity that surpasses expectations.
Average Permeated Flow: Delivering an extraordinary 800GPD, this product ensures consistent and robust water processing capabilities, making it a true powerhouse in its category.
Stable Rejection Rate: Maintains a consistently high rate of 96%-97%, delivering superior water quality with each use, ensuring your water is pure and pristine.
Function: Efficiently eliminates COD, BOD, and NH-N, significantly enhancing the purity and quality of water, providing a fresh and clean experience like no other.
Home RO membrane variants available: 75GPD, 100GPD, 150GPD, and 200GPD, ensuring a perfect fit for every requirement, no matter the scale of your needs.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, addressing 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, setting the standard for industrial excellence.
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 unrivaled choice for premium bottled water, direct drinking water, food processing, pharmaceutical production, and beyond.
Product advantages
1-HJC NANO membrane-- NEVER CUT CORNERS/SUPREME MATERIALS, embodying the pinnacle of quality and innovation.
2-Excellent service and reasonable price for nano membrane, ensuring exceptional value and first-class support.
3-Durable quality and perfect looking for nano membrane, combining aesthetics with unparalleled durability.
4-Salt rejection rate 30%-50%, ensuring effective performance in challenging conditions.
5-OEM services: BASED ON CLIENT REQUEST (FREE design, LABEL, PACKING, SIZE OF NANO MEMBRANE), offering complete customization for your unique needs.








Sandmonk Technology Co., Ltd., affectionately known as SAND.K, is wholeheartedly committed to the evolution of water environmental technology. By leveraging a global supply chain, we lead the way with pioneering innovations that redefine industry standards, embodying excellence in every aspect of our operations. 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, fostering growth and accessibility.
With cutting-edge independent research and development, combined with strong manufacturing capabilities, we are leaders in our field, always pushing the boundaries of what's possible. Through meticulous data analysis, we deliver custom solutions for regions with high salinity water challenges, setting new benchmarks in water treatment standards and elevating industry expectations.
Our versatile solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater, delivering sustainability and efficiency. Furthermore, our competitive pricing offers a distinctive edge within the industry, providing unmatched value to our clients, ensuring they receive the best without compromise.

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. |