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: This product is meticulously crafted for flawless integration into Commercial Use, ensuring seamless operation and efficiency.
Application: Designed with precision for high TDS film membrane applications, this product guarantees outstanding performance and reliability.
Active Membrane Area: Featuring a remarkable 31.97 ft², this design optimizes efficiency and output, guaranteeing maximum productivity.
Average Permeated Flow: With an impressive delivery of 800GPD, this membrane ensures continual and powerful water processing capabilities.
Stable Rejection Rate: Consistently maintains a high rejection rate of 96%-97%, ensuring superior water quality every time.
Function: Efficiently removes COD, BOD, and NH-N, significantly enhancing water purity and overall quality.
Home RO membrane variants available: Choose from 75GPD, 100GPD, 150GPD, and 200GPD to perfectly meet your individual needs.
Commercial RO membrane ranges include: Offering 300GPD, 400GPD, 600GPD, and 800GPD, these products cater to a wide range of commercial requirements.
Industrial membrane models offered: Our selection includes 2521, 2540, 4021, 4040, and 8040, each expertly crafted to fulfill diverse industrial demands.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted for various water sources such as municipal, tap, and well water. They deliver unmatched desalination treatment, making them ideal for premium bottled water, direct drinking water, food processing, pharmaceutical production, and more.
Product advantages
1-HJC NANO membrane-- UNCOMPROMISING QUALITY/SUPERIOR MATERIALS
2-Outstanding service and competitive pricing for our advanced nano membrane
3-Durable quality and aesthetically pleasing design for our nano membrane
4-Salt rejection rate ranging from 30%-50%
5-OEM services: CUSTOMIZED UPON REQUEST (Includes FREE design, LABEL, PACKAGING, and SIZE of NANO MEMBRANE)








Sandmonk Technology Co., Ltd., fondly known as SAND.K, is passionately dedicated to advancing water environmental technology. By harnessing a global supply chain, we pioneer innovations that set new standards within the industry. We deliver all-encompassing, one-stop solutions meticulously tailored for small to medium-sized equipment manufacturers. Our unwavering dedication is showcased through our cross-border e-commerce endeavors, which extend our reach to a global audience in developing regions.
With groundbreaking independent research and development, alongside robust manufacturing capabilities, we stand as leaders in our field. Through precise data analysis, we provide bespoke solutions for regions facing high salinity water challenges, establishing new water treatment benchmarks.
Our versatile solutions cover seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. Moreover, our competitive pricing confers a unique advantage within 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. |