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 effortless integration into Commercial Use.
Application: Masterfully engineered for high TDS film membrane applications, ensuring unparalleled and dependable performance.
Active Membrane Area: With an impressive 31.97 ft², this design optimizes efficiency and output, ensuring maximum productivity.
Average Permeated Flow: Achieves an extraordinary 800GPD, ensuring consistent and robust water processing proficiency.
Stable Rejection Rate: Consistently maintains a high rate of 96%-97%, ensuring superior water quality with every use.
Function: Proficiently eliminates COD, BOD, and NH-N, significantly enhancing water purity and quality.
Home RO membrane variants: 75GPD, 100GPD, 150GPD, and 200GPD, catering to every specific need.
Commercial RO membrane ranges: 300GPD, 400GPD, 600GPD, and 800GPD, meeting a wide array of commercial needs.
Industrial membrane models: 2521, 2540, 4021, 4040, and 8040, precisely designed to fulfill diverse industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted for municipal water, tap water, and well water applications. They offer unmatched desalination treatment, making them the preferred choice for premium bottled water, direct drinking water, food processing, pharmaceutical production, and beyond.
Product advantages
1-HJC NANO membrane-- UNCOMPROMISING QUALITY/SUPREME MATERIALS
2-outstanding service and competitive pricing for nano membrane
3-durable quality and aesthetically pleasing for nano membrane
4-salt rejection rate 30%-50%
5-OEM services: CUSTOMIZED UPON CLIENT REQUEST (FREE design, LABEL, PACKAGING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., fondly referred to as SAND.K, is passionately committed to advancing water environmental technology. Utilizing a global supply chain, we pioneer innovations that set new industry benchmarks. We offer comprehensive, one-stop solutions tailored for small to medium-sized equipment manufacturers. Our commitment is demonstrated through cross-border e-commerce initiatives, reaching a global audience in developing regions.
Equipped with leading-edge independent research and development, combined with robust manufacturing capabilities, we stand as industry leaders. Through precise data analysis, we deliver customized solutions for regions with high salinity water issues, setting new standards in water treatment excellence.
Our versatile solutions include seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. Furthermore, our competitive pricing provides a distinct advantage in the industry, offering 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. |