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 seamless integration into Commercial Use.
Application: Specifically engineered for high TDS film membrane applications, guaranteeing exceptional and reliable performance.
Active Membrane Area: Boasting a remarkable 31.97 ft², this ingeniously designed membrane maximizes both efficiency and output, ensuring your operations run at peak productivity.
Average Permeated Flow: Delivers an impressive 800GPD, ensuring robust and consistent water processing capabilities that you can rely on.
Stable Rejection Rate: Maintains a consistently high rejection rate of 96%-97%, delivering superior water quality with remarkable reliability for each cycle.
Function: Efficiently eliminates COD, BOD, and NH-N, greatly enhancing the purity and quality of water, making it exceptionally fit for an array of applications.
Home RO membrane variants available: Choose from our 75GPD, 100GPD, 150GPD, and 200GPD options, each ensuring a perfect fit tailored for every requirement in residential settings.
Commercial RO membrane ranges include: Offering 300GPD, 400GPD, 600GPD, and 800GPD, these membranes cater to a broad spectrum of commercial demands with precision and proficiency.
Industrial membrane models offered: Our extensive selection includes 2521, 2540, 4021, 4040, and 8040, meticulously designed to meet the diverse needs of various industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously designed for municipal water, tap water, and well water applications. They provide unparalleled desalination treatment, making them the ideal choice for premium bottled water, direct drinking water, food processing, pharmaceutical production, and beyond.
Product Advantages
1-HJC NANO membrane-- NEVER CUT CORNERS/SUPREME MATERIALS
2-Exceptional service and competitive pricing make our nano membrane stand out in the market.
3-Our nano membrane boasts durable quality and an aesthetically pleasing appearance, meeting the highest standards of reliability and style.
4-Salt rejection rate: Achieves an efficient rate of 30%-50%, enhancing performance across applications.
5-OEM services: Tailored solutions based on client requests, including free design, label, packing, and size customization of the nano membrane.








Sandmonk Technology Co., Ltd., affectionately known as SAND.K, is wholeheartedly committed to the evolution of water environmental technology. By leveraging a global supply chain, we lead the way with pioneering innovations that redefine industry standards. We provide comprehensive, one-stop solutions specifically tailored for small to medium-sized equipment manufacturers. Our dedication is evident through our cross-border e-commerce initiatives, extending our influence to a global audience in developing regions.
With cutting-edge independent research and development, combined with strong manufacturing capabilities, we stand at the forefront of our field, driving innovation and excellence. Through meticulous data analysis, we deliver custom solutions for regions with high salinity water challenges, setting new benchmarks in water treatment standards and achieving remarkable results.
Our versatile solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater, ensuring sustainability and efficiency. Furthermore, our competitive pricing offers a distinctive edge within the industry, delivering unmatched value and quality to our clients, ensuring their utmost satisfaction.

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. |