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 incorporation into Commercial Use, our products are tailored to fit seamlessly into your operational framework.
Application: Designed with precision for high TDS film membrane applications, our product ensures remarkable and dependable performance, setting new standards of excellence.
Active Membrane Area: With an outstanding 31.97 ft² at your disposal, this design is crafted to enhance efficiency and output, guaranteeing the highest levels of productivity.
Average Permeated Flow: Experience a remarkable 800GPD, providing unyielding and robust water processing capabilities, perfect for demanding applications.
Stable Rejection Rate: Consistently delivers a high rejection rate of 96%-97%, ensuring pristine water quality every single time.
Function: Effectively removes COD, BOD, and NH-N, dramatically improving the purity and quality of water, meeting the highest standards.
Home RO membrane variants available: Offering 75GPD, 100GPD, 150GPD, and 200GPD options, these variants are designed to cater to every home requirement with precision.
Commercial RO membrane ranges include: Our selection encompasses 300GPD, 400GPD, 600GPD, and 800GPD, addressing a wide range of commercial needs with unmatched versatility.
Industrial membrane models offered: Choose from our 2521, 2540, 4021, 4040, and 8040 models, each crafted to meet diverse industrial demands with unparalleled expertise.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are precision-designed for municipal water, tap water, and well water applications. They offer superior desalination treatment, making them the ultimate choice for premium bottled water, direct drinking water, food processing, pharmaceutical production, and beyond.
Product advantages
1-HJC NANO membrane-- NEVER CUT CORNERS/SUPREME MATERIALS: Ensuring excellence with every membrane, crafted from the finest materials for unmatched performance.
2-excellent service and reasonable price for nano membrane: Providing unparalleled service with competitive pricing, delivering exceptional value.
3-durable quality and perfect looking for nano membrane: Built to last, our membranes offer both durability and an aesthetically pleasing design.
4-salt rejection rate 30%-50%: Our membranes excel with a salt rejection rate of 30%-50%, optimizing water purification.
5-OEM services: BASED ON CLIENT REQUEST (FREE design, LABEL, PACKING, SIZE OF NANO MEMBRANE): Tailor-made to your specifications, offering free design, labeling, packing, and sizing services.








Sandmonk Technology Co., Ltd., also known as SAND.K, is dedicated to revolutionizing water environmental technology. By embracing a global supply chain, we are at the forefront of innovative advancements, setting new industry standards. We offer all-inclusive, one-stop solutions precisely crafted for small to medium-sized equipment manufacturers. Our commitment shines through our cross-border e-commerce efforts, expanding our reach to global audiences in developing regions.
With pioneering independent research and development, paired with robust manufacturing capabilities, we are industry leaders. Through comprehensive data analysis, we provide tailored solutions for regions facing high salinity water challenges, establishing new benchmarks in water treatment standards.
Our adaptable solutions cover seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. Moreover, our competitive pricing offers a significant advantage within the industry, 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. |