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 a robust design, it features an expansive 31.97 ft² of membrane, amplifying efficiency and optimizing output to extraordinary levels.
Average Permeated Flow: A true titan of performance with an incredible 800GPD flow rate, guaranteeing resilient and consistent water processing that surpasses industry standards.
Stable Rejection Rate: Delivers an unmatched rejection rate of 96%-97%, ensuring that each cycle yields water of the highest quality, consistently exceeding all expectations.
Function: Masterfully removes COD, BOD, and NH-N, significantly enhancing water purity and quality, setting new standards in water treatment solutions.
Home RO membrane variants available: Available in 75GPD, 100GPD, 150GPD, and 200GPD, these options are precision-engineered to cater to a wide range of personal and domestic requirements.
Commercial RO membrane ranges include: Delivers exceptional options of 300GPD, 400GPD, 600GPD, and 800GPD, seamlessly addressing diverse commercial needs with superior efficiency.
Industrial membrane models offered: Our models, including 2521, 2540, 4021, 4040, and 8040, are expertly crafted to meet the specific demands of various industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Constructed with precision, our commercial reverse osmosis membrane components are ideal for municipal, tap, and well water applications. They excel in desalination, making them the go-to 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 nano membrane solutions
3-Exquisite durability and visually appealing design for nano membrane
4-Salt rejection rate ranges from 30%-50%
5-OEM services: CUSTOMIZED BASED ON CLIENT NEEDS (FREE design, LABELING, PACKAGING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., warmly referred to as SAND.K, is on a mission to revolutionize water environmental technology. With a pioneering spirit and a global supply chain, we are setting industry benchmarks with our innovative breakthroughs. We provide comprehensive, turnkey solutions tailored for small to medium-sized equipment manufacturers. Our dedication is evident in our cross-border e-commerce initiatives, expanding our global footprint into developing regions.
With cutting-edge independent research and development and robust manufacturing prowess, we are leaders in innovation and technology. By leveraging meticulous data analysis, we deliver custom solutions for regions facing high salinity water challenges, raising the bar for excellence in water treatment.
Our extensive solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and visionary reuse of treated wastewater. Our competitive pricing structure offers a significant edge in the industry, providing unmatched value to our esteemed 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. |