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: Sophisticatedly designed for effortless adaptation in Commercial Use, ensuring that our technology seamlessly fits into your business environment.
Application: Purposefully developed for high TDS film membrane applications, this product promises outstanding and consistent performance, meeting even the most demanding needs.
Active Membrane Area: With a formidable 31.97 ft², this design optimizes efficiency and maximizes output, serving to boost productivity like never before.
Average Permeated Flow: Offers a remarkable 800GPD, ensuring uninterrupted and robust water processing capabilities, making it a reliable choice for all operations.
Stable Rejection Rate: Ensures a high rejection rate of 96%-97%, delivering superior water quality every single time, without compromise.
Function: Effectively removes COD, BOD, and NH-N, significantly improving water purity and elevating the quality to new standards.
Home RO membrane variants available: Ranging from 75GPD to 200GPD, providing the ideal solution for every household requirement.
Commercial RO membrane ranges include: From 300GPD to 800GPD, catering to an extensive array of commercial needs with precision.
Industrial membrane models offered: Including 2521, 2540, 4021, 4040, and 8040, meticulously crafted to fulfill diverse industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are expertly designed for municipal, tap, and well water applications. They offer superior desalination treatment, making them the perfect choice for premium bottled water, direct drinking water, food processing, pharmaceutical production, and more.
Product advantages
1-HJC NANO membrane-- NEVER CUT CORNERS/SUPREME MATERIALS: Ensuring top-tier quality and reliability.
2-Exemplary service and competitive pricing for nano membrane, delivering value without compromise.
3-Durable quality and impeccable aesthetics for nano membrane, merging performance with style.
4-Salt rejection rate 30%-50%: Efficiently meeting various water treatment requirements.
5-OEM services: CUSTOMIZED AS PER CLIENT NEEDS (Complimentary design, LABEL, PACKING, NANO MEMBRANE SIZE).








Sandmonk Technology Co., Ltd., fondly recognized as SAND.K, is passionately devoted to the advancement of water environmental technology. Harnessing a global supply chain, we spearhead groundbreaking innovations that set new industry benchmarks. We offer comprehensive, one-stop solutions crafted specifically for small to medium-sized equipment manufacturers. Our commitment is reflected in our cross-border e-commerce initiatives, broadening our reach to a worldwide audience in developing regions.
Through state-of-the-art independent research and development, combined with robust manufacturing capabilities, we lead our industry. By leveraging precise data analysis, we deliver tailored solutions for areas facing high salinity water challenges, establishing new standards in water treatment.
Our adaptable solutions include seawater desalination, waste leachate treatment, drinking water purification, and the innovative recycling of treated wastewater. Moreover, our competitive pricing provides a unique advantage within the industry, offering unparalleled value to our customers.

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. |