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, ensuring seamless functionality and optimal performance.
Application: Precisely designed for high TDS film membrane applications, this product promises exceptional and unwavering performance.
Active Membrane Area: With an impressive 31.97 ft², this design optimally enhances efficiency and output, ensuring top-tier productivity.
Average Permeated Flow: Provides an exceptional 800GPD, guaranteeing consistent and robust water processing capabilities, fulfilling high-demand requirements.
Stable Rejection Rate: Consistently maintains a superior rejection rate of 96%-97%, ensuring outstanding water quality with every use.
Function: Efficiently eradicates COD, BOD, and NH-N, significantly elevating the purity and quality of water, making it ideal for various applications.
Home RO membrane variants available: 75GPD, 100GPD, 150GPD, and 200GPD, tailored for every specific requirement.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, catering to a vast array of commercial needs.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, expertly crafted to meet diverse industrial demands.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are thoughtfully designed for municipal, tap, and well water applications. They offer unmatched desalination treatment, rendering them ideal for premium bottled water, direct drinking, food processing, pharmaceutical production, and more.
Product Advantages
1-HJC NANO membrane-- Built to the highest standards with NO Compromise on Quality/SUPERIOR MATERIALS
2-Outstanding service and competitive pricing for nano membrane, delivering exceptional value.
3-Durable quality and exceptional aesthetics for nano membrane, providing lasting reliability.
4-Salt rejection rate of 30%-50%, ensuring effective purification.
5-OEM services: CUSTOMIZED BASED ON CLIENT NEEDS (FREE design, LABEL, PACKING, SIZE OF NANO MEMBRANE)








Sandmonk Technology Co., Ltd., or SAND.K, is passionately dedicated to advancing water environmental technology. By utilizing an extensive global supply chain, we spearhead pioneering innovations that redefine industry benchmarks. We offer all-encompassing, one-stop solutions specifically designed for small to medium-sized equipment manufacturers. Our unwavering commitment is reflected through our cross-border e-commerce efforts, expanding our reach to a global audience in emerging markets.
With state-of-the-art independent research and development, coupled with robust manufacturing capabilities, we are at the forefront of our industry. Through precise data analytics, we deliver tailor-made solutions for regions with high salinity water challenges, setting unprecedented standards in water treatment.
Our diverse solutions cover seawater desalination, waste leachate treatment, drinking water purification, and innovative treated wastewater reuse. Moreover, our competitive pricing provides a unique edge 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. |