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: Designed with unwavering precision, this product effortlessly integrates into Commercial Use, redefining standards of excellence in the industry.
Application: Specifically engineered for high TDS film membrane applications, this product delivers superior and reliable performance, ensuring every operation is executed flawlessly.
Active Membrane Area: Unveiling a stunning design with 31.97 ft² of active membrane area, it significantly boosts efficiency and output, propelling productivity to unparalleled heights.
Average Permeated Flow: A formidable force with an extraordinary 800GPD, it ensures robust and consistent water processing capabilities, upholding the highest standards.
Stable Rejection Rate: Attains an outstanding rejection rate of 96%-97%, delivering superior water quality with every cycle, consistently exceeding expectations.
Function: Efficiently eliminates COD, BOD, and NH-N, significantly enhancing water purity and quality, setting new standards in water treatment solutions.
Home RO membrane variants available: Presenting options of 75GPD, 100GPD, 150GPD, and 200GPD, precisely tailored to meet a wide range of personal and domestic requirements.
Commercial RO membrane ranges include: Offering premier choices of 300GPD, 400GPD, 600GPD, and 800GPD, effortlessly meeting diverse commercial needs.
Industrial membrane models offered: Available in models 2521, 2540, 4021, 4040, and 8040, each meticulously crafted to fulfill different industrial demands.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are immaculately designed for municipal water, tap water, and well water applications. They deliver unparalleled desalination treatment, establishing them as the elite choice for top-tier bottled water, direct consumption, food processing, pharmaceutical production, and beyond.
Product Advantages
1-HJC NANO membrane-- UNCOMPROMISING QUALITY/SUPERIOR MATERIALS
2-Exceptional service combined with competitive pricing for nano membrane solutions
3-Exquisite durability and aesthetically pleasing design for nano membrane
4-Salt rejection rate spans from 30%-50%
5-OEM services: CUSTOMIZED BASED ON CLIENT NEEDS (FREE design, LABELING, PACKAGING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., affectionately known as SAND.K, is at the forefront of advancing water environmental technology. Utilizing a global supply chain, we elevate industry standards with revolutionary innovations. We provide all-rounded, turnkey solutions customized for small to medium-sized equipment manufacturers. Our dedication is mirrored in our cross-border e-commerce initiatives, broadening our global influence into developing regions.
With groundbreaking independent research and development, coupled with strong manufacturing capabilities, we are pioneers in our field. Through meticulous data analysis, we provide tailor-made solutions for regions facing high salinity water challenges, elevating benchmarks 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 offers a remarkable 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. |