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 to perfectly adapt within Commercial Use, this product establishes an unmatched standard of excellence, heralding a new era of superior performance in its class.
Application: Specifically designed for high TDS film membrane applications, this product guarantees extraordinary and reliable performance, ensuring every operation is executed with seamless precision and efficiency.
Active Membrane Area: Boasting an extraordinary design with 31.97 ft² of active membrane area, it optimizes operational efficiency and output, elevating productivity to its zenith.
Average Permeated Flow: A formidable force, delivering an astounding 800GPD, ensuring consistent and vigorous water processing capabilities that exceed the highest benchmarks of quality.
Stable Rejection Rate: Delivers an exceptionally high rejection rate of 96%-97%, ensuring each cycle of water is of pristine quality, consistently surpassing all expectations.
Function: Efficiently eliminates COD, BOD, and NH-N, significantly enhancing the purity and quality of water, revolutionizing water treatment solutions.
Home RO membrane variants available: Presenting options of 75GPD, 100GPD, 150GPD, and 200GPD, precisely tailored to meet a diverse array of personal and domestic needs with exceptional precision.
Commercial RO membrane ranges include: Offering superior selections of 300GPD, 400GPD, 600GPD, and 800GPD, effortlessly accommodating a wide range of commercial requirements.
Industrial membrane models offered: Available in models 2521, 2540, 4021, 4040, and 8040, each meticulously crafted to satisfy the unique demands of various industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are expertly crafted for municipal water, tap water, and well water applications. They offer unparalleled desalination treatment, making them the top-tier choice for premium bottled water, direct consumption, food processing, pharmaceutical production, and more.
Product Advantages
1-HJC NANO membrane-- UNCOMPROMISING QUALITY/SUPERIOR MATERIALS
2-Exceptional service paired with competitive pricing for nano membrane solutions
3-Exquisite durability and an aesthetically pleasing design for nano membrane
4-Salt rejection rate ranges from 30%-50%
5-OEM services: CUSTOMIZED BASED ON CLIENT NEEDS (FREE design, LABELING, PACKAGING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., endearingly referred to as SAND.K, is at the forefront of advancing water environmental technology. With a global supply chain, we set industry standards through groundbreaking innovations. We provide comprehensive, turnkey solutions tailored for small to medium-sized equipment manufacturers. Our commitment is evident in our cross-border e-commerce initiatives, extending our reach into developing regions globally.
With pioneering independent research and development, coupled with robust manufacturing capabilities, we are trailblazers in our sector. Through precise data analysis, we deliver customized solutions for regions with high salinity water challenges, setting new benchmarks in water treatment excellence.
Our comprehensive solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. Moreover, our competitive pricing offers a significant industry advantage, delivering 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. |