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: Unleash the potential of this membrane with its adaptable design, perfect for a multitude of settings and uses.
Applicable Industries: Masterfully crafted to seamlessly integrate into Commercial Use, this product is ideal for businesses looking to enhance their operational efficiency.
Application: Purpose-built for high TDS film membrane applications, this membrane ensures optimal and unwavering performance, setting a new standard in reliability.
Active Membrane Area: With an outstanding 31.97 ft² design, this membrane maximizes efficiency, delivering superior productivity and performance.
Average Permeated Flow: Achieving an impressive flow rate of 800GPD, it guarantees consistent and powerful water processing capabilities with each cycle.
Stable Rejection Rate: Sustaining a high rejection rate of 96%-97%, it ensures exceptional water quality, meeting the highest standards with every use.
Function: Expertly removes COD, BOD, and NH-N, significantly uplifting the purity and overall quality of water for various applications.
Home RO membrane variants: Available in 75GPD, 100GPD, 150GPD, and 200GPD options to perfectly match diverse household requirements.
Commercial RO membrane ranges: Choose from 300GPD, 400GPD, 600GPD, and 800GPD options to cater to an array of commercial needs.
Industrial membrane models: Offered in 2521, 2540, 4021, 4040, and 8040 sizes, designed to meet a broad range of industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas: A focused solution for distinct applications, providing incredible desalination treatment.
Our commercial reverse osmosis membrane elements are precisely engineered for municipal, tap, and well water applications. They deliver unmatched desalination performance, making them indispensable for premium bottled water, direct drinking water, food processing, pharmaceutical production, and more.
Product Advantages: Explore the unparalleled benefits of our state-of-the-art nano membrane solutions.
1-HJC NANO membrane: Experience uncompromised quality with premium materials—never cutting corners.
2-Excellent service: Enjoy exceptional customer support and competitive pricing for our nano membrane solutions.
3-Durable quality: Revel in the remarkable durability and sleek appearance of our nano membranes.
4-Salt Rejection Rate: Achieves an effective rate of 30%-50%, ensuring high-quality water.
5-OEM services: Tailored to client specifications, we offer free design, labeling, packaging, and membrane sizing.








Sandmonk Technology Co., Ltd., affectionately known as SAND.K, is dedicated to advancing water environmental technology. With a global supply chain, we lead the industry with trailblazing innovations that push boundaries. We offer holistic, one-stop solutions crafted for small to medium-sized equipment manufacturers. Our commitment is demonstrated through our cross-border e-commerce ventures, reaching a worldwide audience in emerging markets.
Equipped with cutting-edge R&D and robust manufacturing prowess, we stand as frontrunners in our domain. Through precise data analysis, we deliver tailored solutions for high salinity water issues, elevating water treatment standards to new heights.
Our comprehensive solutions include seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater. Moreover, our competitive pricing distinguishes us in the industry, offering unrivaled 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. |