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: Expertly engineered for seamless integration into Commercial Use, this product stands as a testament to our commitment to quality and reliability.
Application: Meticulously crafted for high TDS film membrane applications, ensuring exceptional and consistent performance, even in the most challenging environments.
Active Membrane Area: With an expansive 31.97 ft², this cutting-edge design optimizes efficiency and output, guaranteeing peak productivity and superior results.
Average Permeated Flow: Impressively achieves 800GPD, ensuring robust and consistent water processing, meeting the demands of various applications with ease.
Stable Rejection Rate: Consistently delivers a high rejection rate of 96%-97%, ensuring superior water quality, reliability, and performance in every use.
Function: Efficiently purges COD, BOD, and NH-N, dramatically improving water purity and quality, ensuring only the finest results.
Home RO Membrane Variants: Available in 75GPD, 100GPD, 150GPD, and 200GPD, each variant is designed to perfectly meet every household's unique requirements.
Commercial RO Membrane Ranges: Includes 300GPD, 400GPD, 600GPD, and 800GPD models, specifically tailored to meet a diverse range of commercial demands.
Industrial Membrane Models Offered: The 2521, 2540, 4021, 4040, and 8040 models are expertly crafted to satisfy diverse industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously designed for municipal water, tap water, and well water applications, providing unmatched desalination treatment. Ideal for premium bottled water, direct drinking water, food processing, pharmaceutical production, and beyond.
Product Advantages
1-HJC NANO Membrane: NEVER CUT CORNERS/SUPREME MATERIALS - Setting the bar for elite performance and durability.
2-Excellent Service & Reasonable Price: Premium nano membrane quality backed with exceptional customer service at a competitive price.
3-Durable Quality and Perfect Aesthetic: Our nano membranes not only perform excellently but also boast a sleek, attractive appearance.
4-Salt Rejection Rate: Achieves an effective 30%-50% salt rejection, enhancing water purity efficiently.
5-OEM Services: BASED ON CLIENT REQUEST - Offering FREE design, label, packing, and size customization of the nano membrane to suit your specific needs.








Sandmonk Technology Co., Ltd., fondly referred to as SAND.K, is passionately dedicated to advancing water environmental technology. By harnessing a global supply chain, we spearhead innovations that revolutionize industry standards. We offer all-encompassing, one-stop solutions specifically crafted for small to medium-sized equipment manufacturers. Our commitment is showcased through our cross-border e-commerce initiatives, expanding our reach to a worldwide audience in developing regions.
Armed with cutting-edge independent R&D and robust manufacturing capabilities, we stand at the forefront of our industry. Through meticulous data analysis, we tailor custom solutions for areas with high salinity water challenges, setting new water treatment standards.
Our diverse solutions span seawater desalination, waste leachate treatment, drinking water purification, and the pioneering reuse of treated wastewater. Moreover, our competitive pricing provides an exceptional edge in the industry, ensuring unparalleled value for 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. |