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: Engineered with precision for seamless integration in commercial environments, this product elevates the standards of industry excellence.
Application: Specifically crafted for high TDS film membrane applications, this product delivers reliable, exceptional performance, ensuring seamless operations every time.
Active Membrane Area: Featuring an extraordinary design, this membrane boasts 31.97 ft² of active area, enhancing operational efficiency and maximizing productivity.
Average Permeated Flow: A robust solution providing an astonishing 800GPD, ensuring resilient, consistent water processing that meets the highest industry benchmarks.
Stable Rejection Rate: This product achieves a remarkable rejection rate of 96%-97%, consistently delivering superior water quality that exceeds expectations.
Function: Effectively eliminates COD, BOD, and NH-N, significantly improving water purity, setting new standards in water treatment solutions.
Home RO membrane variants available: Choose from 75GPD, 100GPD, 150GPD, and 200GPD options, designed with precision to meet a wide range of domestic and personal needs.
Commercial RO membrane ranges include: Offering premier options of 300GPD, 400GPD, 600GPD, and 800GPD, these membranes effortlessly meet diverse commercial requirements.
Industrial membrane models offered: Available in 2521, 2540, 4021, 4040, and 8040 models, each meticulously crafted to meet varied industrial demands.
Commercial Reverse Osmosis Element Main Application Areas
Our expertly crafted commercial reverse osmosis membrane components are ideal for municipal, tap, and well water applications. They offer exceptional desalination treatment, making them the top choice for premium bottled water, direct consumption, food processing, and pharmaceutical production.
Product Advantages
1-HJC NANO membrane-- PREMIUM QUALITY/SUPERIOR MATERIALS
2-Exceptional service combined with competitive pricing for cutting-edge nano membrane solutions
3-Superior durability and aesthetically pleasing design for nano membranes
4-Salt rejection rate ranges from 30%-50%
5-OEM services: CUSTOMIZED TO CLIENT SPECIFICATIONS (FREE design, LABELING, PACKAGING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., lovingly referred to as SAND.K, is at the forefront of advancing water environmental technology. Utilizing a global supply chain, we set the industry benchmark with our revolutionary innovations. We provide comprehensive, turnkey solutions tailored for small to medium-sized equipment manufacturers. Our dedication is evident in our cross-border e-commerce initiatives, which expand our global reach into developing regions.
With groundbreaking independent R&D and robust manufacturing capabilities, we are pioneers in our sector. Through meticulous data analysis, we deliver tailor-made solutions for regions facing high salinity water challenges, setting new industry standards in water treatment excellence.
Our extensive solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and innovative reuse of treated wastewater. Moreover, our competitive pricing provides significant advantages in the industry, offering 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. |