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: With a remarkable design offering 31.97 ft² of active membrane area, it maximizes operational efficiency and output, driving productivity to its peak.
Average Permeated Flow: A powerhouse delivering an impressive 800GPD, guaranteeing consistent, resilient water processing capabilities that meet the highest standards.
Stable Rejection Rate: Achieves an exceptionally high rejection rate of 96%-97%, ensuring premium water quality with each cycle, consistently surpassing expectations.
Function: Effectively eradicates COD, BOD, and NH-N, considerably elevating the purity and quality of water, redefining water treatment solutions.
Home RO membrane variants available: Offering options of 75GPD, 100GPD, 150GPD, and 200GPD, tailored to meet a spectrum of personal and domestic needs with precision.
Commercial RO membrane ranges include: Providing superior choices of 300GPD, 400GPD, 600GPD, and 800GPD, catering to diverse commercial requirements effortlessly.
Industrial membrane models offered: Available in models 2521, 2540, 4021, 4040, and 8040, each precisely crafted to satisfy varying industrial demands.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are expertly crafted for municipal water, tap water, and well water applications. They offer unmatched desalination treatment, making them the premium choice for top-tier bottled water, direct consumption, food processing, pharmaceutical production, and more.
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., affectionately known as SAND.K, is dedicated to advancing water environmental technology. Leveraging a global supply chain, we set industry standards with groundbreaking innovations. We offer all-encompassing, turnkey solutions tailored for small to medium-sized equipment manufacturers. Our commitment is reflected in our cross-border e-commerce efforts, extending our reach globally into developing regions.
With pioneering independent research and development, paired with robust manufacturing capabilities, we are trailblazers in our sector. Through precise data analysis, we deliver bespoke solutions for regions with high salinity water challenges, setting elevated benchmarks in water treatment excellence.
Our comprehensive solutions include seawater desalination, waste leachate treatment, drinking water purification, and the forward-thinking reuse of treated wastewater. Moreover, our competitive pricing offers a significant industry advantage, providing 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. |