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 integration within Commercial Use, our product establishes a new benchmark in industry excellence.
Application: Specifically designed for high TDS film membrane applications, this solution guarantees exceptional and reliable performance, ensuring seamless operations every time.
Active Membrane Area: Featuring an exceptional design with a vast 31.97 ft² of active membrane area, it optimizes operational efficiency and enhances output, propelling productivity to the highest levels.
Average Permeated Flow: This powerhouse delivers a remarkable 800GPD, ensuring consistent and robust water processing capabilities that meet and exceed the highest industry standards.
Stable Rejection Rate: Achieving an extraordinary rejection rate of 96%-97%, it ensures superior water quality in each cycle, consistently surpassing expectations.
Function: Efficiently eliminates COD, BOD, and NH-N, significantly improving the purity and quality of water, revolutionizing water treatment solutions.
Home RO membrane variants available: Offering choices of 75GPD, 100GPD, 150GPD, and 200GPD, these are precisely tailored to address a wide range of personal and domestic needs with exactness.
Commercial RO membrane ranges include: Presenting superior options of 300GPD, 400GPD, 600GPD, and 800GPD, seamlessly catering to diverse commercial demands.
Industrial membrane models offered: Available in models 2521, 2540, 4021, 4040, and 8040, each expertly crafted to meet varying industrial requirements with precision.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are expertly designed for municipal water, tap water, and well water applications. They provide unparalleled desalination treatment, positioning them as the premium choice for high-grade bottled water, direct consumption, food processing, pharmaceutical production, and beyond.
Product Advantages
1-HJC NANO membrane-- Unyielding Quality/Superior Materials
2-Outstanding service coupled with competitive pricing for nano membrane solutions
3-Remarkable durability and aesthetically pleasing design for nano membrane
4-Salt rejection rate spans from 30%-50%
5-OEM services: Customized Based on Client Needs (Complimentary design, labeling, packaging, and sizing of the nano membrane)








Sandmonk Technology Co., Ltd., fondly referred to as SAND.K, is committed to advancing water environmental technology. Harnessing a global supply chain, we establish industry standards through groundbreaking innovations. We offer comprehensive, turnkey solutions designed for small to medium-sized equipment manufacturers. Our dedication is evident in our cross-border e-commerce efforts, expanding our reach globally, especially into developing regions.
With pioneering independent research and development, combined with robust manufacturing capabilities, we are leaders and innovators in our field. Through precise data analysis, we deliver tailored solutions for regions with high salinity water challenges, setting new standards in water treatment excellence.
Our comprehensive solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. Additionally, our competitive pricing provides a substantial industry advantage, offering unmatched 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. |