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: Impeccably designed for seamless integration into Commercial Use, ensuring your operations flow effortlessly.
Application: Specifically engineered for high TDS film membrane applications, this product guarantees exceptional and unwavering performance, consistently delivering the highest quality results.
Active Membrane Area: With an impressive 31.97 ft² design, this membrane maximizes efficiency and output, ensuring your operations reach peak productivity with ease.
Average Permeated Flow: This unit delivers an extraordinary 800GPD, providing consistent, robust water processing capabilities that meet your demands perfectly.
Stable Rejection Rate: Keeps a remarkably high rate of 96%-97%, ensuring each use delivers superior water quality, safeguarding your standards.
Function: Efficiently eradicates COD, BOD, and NH-N, significantly enhancing water purity and quality, elevating your water solutions to new heights.
Home RO membrane variants available: 75GPD, 100GPD, 150GPD, and 200GPD, each designed to perfectly fulfill your specific requirements.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, adeptly meeting a wide spectrum of commercial demands with precision.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, expertly crafted to meet diverse and dynamic industrial needs with efficacy.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously designed for municipal, tap, and well water applications. They are the epitome of desalination treatment, making them the top 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: Crafted with utmost precision and the finest materials.
2-Excellent service and reasonable price for nano membrane: Experience quality service paired with competitive pricing.
3-Durable quality and perfect looking for nano membrane: Unmatched durability combined with sleek aesthetics for a premium experience.
4-Salt rejection rate 30%-50%: Ensures effective performance, maintaining high levels of purity.
5-OEM services: BASED ON CLIENT REQUEST (FREE design, LABEL, PACKING, SIZE OF NANO MEMBRANE): Tailor-made solutions to fit your exact specifications, offering flexibility and personalization.








Sandmonk Technology Co., Ltd., affectionately known as SAND.K, is passionately dedicated to advancing water environmental technology. By harnessing a robust global supply chain, we pioneer groundbreaking innovations that set new benchmarks across the industry. We offer comprehensive, one-stop solutions that are specifically tailored for small to medium-sized equipment manufacturers. Our commitment shines through our cross-border e-commerce initiatives, extending our impact to a global audience in emerging regions.
With cutting-edge independent research and development, combined with formidable manufacturing capabilities, Sandmonk stands as a leader in the field. Through meticulous data analysis, we craft bespoke solutions for areas with high salinity water challenges, pushing the envelope in water treatment standards.
Our versatile solutions cover seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. Moreover, our competitive pricing delivers unmatched value within the industry, providing our clients with an exceptional edge.

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. |