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: From bustling commercial environments to serene household settings, the 8040 NF Membrane seamlessly adapts, delivering consistent, high-quality water purification across a spectrum of uses.
Applicable Industries: Designed with precision, the 8040 NF Membrane integrates effortlessly into commercial settings, providing exceptional performance tailored to meet the rigorous demands of the industry.
Application: Purpose-built for high Total Dissolved Solids (TDS) scenarios, this film membrane guarantees remarkable reliability and outstanding performance, setting the standard in water purification technology.
Active Membrane Area: With an expansive active area of 31.97 ft², the 8040 NF Membrane is engineered to maximize efficiency and productivity, ensuring that every drop is optimized for superior output.
Average Permeated Flow: The membrane's incredible 800GPD flow rate translates to robust and consistent water processing capabilities, ensuring reliability and excellence in every application.
Stable Rejection Rate: Achieving a high and stable rejection rate of 96%-97%, this membrane consistently delivers superior water quality, ensuring peace of mind with each use.
Function: Expertly designed to effectively eliminate COD, BOD, and NH-N, the 8040 NF Membrane significantly elevates water purity and quality, ensuring the highest standards of water treatment.
Home RO membrane variants available: Our range includes options of 75GPD, 100GPD, 150GPD, and 200GPD, ensuring an ideal solution to fit every home’s unique needs.
Commercial RO membrane ranges include: Offering options of 300GPD, 400GPD, 600GPD, and 800GPD, these membranes cater to a wide variety of commercial requirements with precision and excellence.
Industrial membrane models offered: With models 2521, 2540, 4021, 4040, and 8040, our industrial membranes are expertly tailored to meet diverse industrial demands with exceptional versatility.
Commercial Reverse Osmosis Element Main Application Areas: Our offerings are designed to serve diverse water processing needs, ensuring impeccable performance in each application.
Our commercial reverse osmosis membrane components are meticulously designed for municipal water, tap water, and well water applications. They provide unparalleled desalination treatment, making them the ideal choice for premium bottled water, direct drinking water, food processing, pharmaceutical production, and beyond. These components are crafted to meet the highest quality standards, ensuring reliable desalination treatment across all applications.
Product advantages: The 8040 NF Membrane stands out with its innovative design and superior functionality, offering a range of benefits that redefine water purification technology.
1-HJC NANO membrane-- NEVER CUT CORNERS/SUPREME MATERIALS: We use only the highest-quality materials to ensure that our HJC NANO membrane delivers unparalleled performance without compromise.
2-Excellent service and reasonable price for nano membrane: Our commitment extends beyond product excellence to include exceptional service and competitive pricing, ensuring our clients receive superior value.
3-Durable quality and perfect looking for nano membrane: Our nano membrane is not only functionally superior but also boasts a durable, aesthetically pleasing design that enhances any system.
4-Salt rejection rate 30%-50%: Our membrane's impressive salt rejection rate ensures effective desalination, providing clear and pure water.
5-OEM services: BASED ON CLIENT REQUEST (FREE design, LABEL, PACKING, SIZE OF NANO MEMBRANE): We offer customized OEM services to meet client specifications, ensuring a tailored fit for every requirement.








Sandmonk Technology Co., Ltd., affectionately known as SAND.K, is wholeheartedly committed to the evolution of water environmental technology. By leveraging a global supply chain, we lead the way with pioneering innovations that redefine industry standards. We provide comprehensive, one-stop solutions specifically tailored for small to medium-sized equipment manufacturers. Our dedication is evident through our cross-border e-commerce initiatives, extending our influence to a global audience in developing regions.
With cutting-edge independent research and development, combined with strong manufacturing capabilities, we are leaders in our field. Through meticulous data analysis, we deliver custom solutions for regions with high salinity water challenges, setting new benchmarks in water treatment standards.
Our versatile solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. Furthermore, our competitive pricing offers a distinctive edge within the industry, providing unmatched 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. |