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: Meticulously engineered for flawless adaptation within Commercial Use, this product sets a new benchmark for excellence.
Application: Purpose-built for high TDS film membrane applications, this product ensures outstanding and dependable performance, making every operation seamless.
Active Membrane Area: Boasting an impressive design with 31.97 ft² of active membrane area, it amplifies operational efficiency and output, propelling productivity to its zenith.
Average Permeated Flow: A veritable powerhouse delivering an impressive 800GPD, ensuring robust and consistent water processing capabilities that adhere to the highest standards.
Stable Rejection Rate: Attains an exceptionally high rejection rate of 96%-97%, consistently providing premium water quality that surpasses expectations with each cycle.
Function: Efficiently eradicates COD, BOD, and NH-N, significantly enhancing the purity and quality of water, revolutionizing water treatment solutions.
Home RO membrane variants available: Presenting options of 75GPD, 100GPD, 150GPD, and 200GPD, precisely tailored to meet a diverse range of personal and domestic requirements.
Commercial RO membrane ranges include: Offering exceptional choices of 300GPD, 400GPD, 600GPD, and 800GPD, effortlessly catering to a wide spectrum of commercial needs.
Industrial membrane models offered: Available in models 2521, 2540, 4021, 4040, and 8040, each meticulously crafted to meet diverse industrial demands.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are expertly designed for municipal, tap, and well water applications. They deliver unparalleled desalination treatment, making them the ideal choice for premium bottled water, direct consumption, food processing, pharmaceutical production, and beyond.
Product Advantages
1-HJC NANO membrane-- UNCOMPROMISING QUALITY/SUPERIOR MATERIALS
2-Exceptional service paired with competitive pricing for premium nano membrane solutions
3-Exquisite durability and visually appealing design for nano membrane
4-Salt rejection rate ranges from 30%-50%
5-OEM services: FULLY CUSTOMIZED BASED ON CLIENT NEEDS (FREE design, LABELING, PACKAGING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., warmly known as SAND.K, is committed to pioneering advancements in water environmental technology. Harnessing a global supply chain, we define industry standards with unmatched innovations. We provide comprehensive, turnkey solutions specifically designed for small to medium-sized equipment manufacturers. Our dedication is mirrored in our cross-border e-commerce initiatives, extending our global presence into developing regions.
With groundbreaking independent research and development, combined with strong manufacturing capabilities, we are leaders in our field. Through precise data analysis, we offer tailored solutions for regions facing high salinity water challenges, establishing new standards in water treatment excellence.
Our wide-ranging solutions include seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. In addition, our competitive pricing offers a distinct industry advantage, delivering unparalleled 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. |