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: Ingeniously designed for seamless integration in Commercial Use, this product raises the standard of excellence to untold heights.
Application: Specifically engineered for high TDS film membrane applications, this product delivers exceptional and reliable performance, ensuring smooth and efficient operations.
Active Membrane Area: With an innovative design boasting 31.97 ft² of active membrane area, it enhances operational efficiency and output, maximizing productivity.
Average Permeated Flow: A robust solution delivering an astounding 800GPD, it ensures reliable, resilient water processing capabilities that satisfy the most rigorous standards.
Stable Rejection Rate: Maintains an extraordinarily high rejection rate of 96%-97%, securing superior water quality with every cycle, consistently exceeding expectations.
Function: Efficiently removes COD, BOD, and NH-N, significantly enhancing water purity and quality, transforming water treatment solutions.
Home RO membrane variants available: Offering precise options of 75GPD, 100GPD, 150GPD, and 200GPD, tailored to cater to a wide range of personal and domestic requirements.
Commercial RO membrane ranges include: Presenting top-tier choices of 300GPD, 400GPD, 600GPD, and 800GPD, effortlessly meeting diverse commercial needs.
Industrial membrane models offered: Available in models 2521, 2540, 4021, 4040, and 8040, each meticulously crafted to fulfill varying industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are masterfully crafted for municipal water, tap water, and well water applications. They provide unmatched desalination treatment, making them the finest choice for premium bottled water, direct consumption, food processing, pharmaceutical production, and more.
Product Advantages
1-HJC NANO membrane-- UNMATCHED QUALITY/SUPERIOR MATERIALS
2-Exceptional customer service paired with competitive pricing for nano membrane solutions
3-Remarkable durability and visually attractive design for nano membrane
4-Salt rejection rate varies between 30%-50%
5-OEM services: CUSTOMIZED TO CLIENT SPECIFICATIONS (FREE design, LABELING, PACKAGING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., lovingly known as SAND.K, is a pioneering force in water environmental technology. By harnessing a global supply chain, we set industry benchmarks through revolutionary innovations. We provide comprehensive, turnkey solutions meticulously tailored for small to medium-sized equipment manufacturers. Our dedication is mirrored in our cross-border e-commerce initiatives, expanding our global reach into developing regions.
With groundbreaking independent research and development, combined with potent manufacturing capabilities, we are leaders in our field. Through precise data analytics, we deliver customized solutions for regions facing high salinity water challenges, raising the bar in water treatment excellence.
Our all-encompassing solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and innovative reuse of treated wastewater. In addition, our competitive pricing provides a substantial industry edge, delivering exceptional value 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. |