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
1. Discover the exceptional benefits of our Manual 4040 NF Membrane, renowned for its impressive high flow rate and unwavering stability. This product delivers unparalleled reliability, ensuring smooth, efficient operations for hotels and houses.
2. Revel in the advantages of low operating pressure, expertly combined with outstanding cost-effectiveness. Our product is designed to maximize the value of your investment through intelligent engineering and efficiency.
Main Features:
1. Crafted with world-class HJC NANO membrane technology, our product embodies uncompromising quality and superior materials, guaranteeing unmatched performance and durability.
2. Benefit from our exceptional service coupled with competitive pricing, creating a remarkable value proposition for the nano membrane that is hard to resist.
3. Experience the seamless blend of durability and refined aesthetics with our meticulously engineered nano membrane, designed for both function and beauty.
4. Achieve optimal water treatment solutions with a salt rejection rate of 30%-50%, ensuring effective filtration and purification for various needs.
5. Our OEM services offer full customization based on client requests, including complimentary design, labeling, packaging, and sizing of the nano membrane, tailored to your specifications.








At Sandmonk Technology Co., Ltd., our dedication to advancing environmental water technology is fueled by a global supply chain committed to transformative innovation. We continuously push the boundaries of what's possible in the industry. We offer holistic, all-encompassing solutions tailored for core components, specifically crafted for small to medium-sized equipment manufacturers. Our unwavering dedication extends through cross-border e-commerce, where we serve a global clientele with unique precision, especially in burgeoning markets.
Armed with autonomous research and development capabilities, along with solid manufacturing prowess, we confidently lead with innovation and expertise in the industry. Through meticulous data analysis, we develop bespoke solutions for regions facing high salinity water challenges, marking our role as pioneers in water treatment solutions.
Our comprehensive solutions include seawater desalination, waste leachate treatment, drinking water purification, and pioneering advancements in treated wastewater reuse, redefining possibilities. Additionally, our compelling cost advantage distinctly positions us within the industry, offering unparalleled value and strategic benefits that are truly unmatched.

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. |