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 crafted to seamlessly integrate into diverse commercial settings, offering unparalleled adaptability.
Application: Specifically engineered for demanding high TDS film membrane applications, ensuring consistent, top-tier performance with each use.
Active Membrane Area: Featuring an impressive 31.97 ft², this exceptional design maximizes both efficiency and output, guaranteeing peak productivity.
Average Permeated Flow: Boasting an extraordinary flow rate of 800GPD, this product ensures robust and reliable water processing capabilities.
Stable Rejection Rate: Consistently maintains a high rejection rate of 96%-97%, ensuring superior water quality and peace of mind with every operation.
Function: Expertly eliminates COD, BOD, and NH-N, significantly enhancing water purity and quality, providing cleaner and safer water.
Home RO membrane variants available: Choose from 75GPD, 100GPD, 150GPD, and 200GPD models, tailoring your selection to meet exact needs.
Commercial RO membrane ranges include: With options of 300GPD, 400GPD, 600GPD, and 800GPD, our range caters to all commercial requirements.
Industrial membrane models offered: Available in models 2521, 2540, 4021, 4040, and 8040, each designed to meet diverse industrial demands.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously engineered commercial reverse osmosis membranes excel in municipal, tap, and well water applications. They provide superior desalination for premium bottled water, direct consumption, food processing, pharmaceutical production, and more.
Product Advantages
1-HJC NANO membrane-- Uncompromising Quality with SUPREME MATERIALS
2-Exceptional Service and Competitive Pricing for nano membrane solutions
3-Durable Quality and Aesthetic Appeal in nano membrane designs
4-Salt Rejection Rate: Efficiently achieves a 30%-50% rejection ratio
5-OEM Services: Customization at Your Fingertips with FREE Design, LABEL, PACKING, and SIZE Options based on CLIENT REQUEST








Sandmonk Technology Co., Ltd., endearingly known as SAND.K, is passionately devoted to advancing water environmental technology. Our commitment to innovation and quality elevates industry standards, supported by our robust global supply chain. We offer comprehensive, one-stop solutions tailored for small to medium-sized equipment manufacturers. Our dedication extends through cross-border e-commerce, expanding our reach globally, particularly in developing regions.
With pioneering independent research and development, combined with strong manufacturing expertise, we remain at the forefront of our industry. Through meticulous data analysis, we deliver custom, high-performance solutions for regions facing high salinity water challenges, setting new standards in water treatment excellence.
Our versatile solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and innovative reuse of treated wastewater, showcasing our commitment to sustainability and efficiency. Furthermore, our competitively priced solutions offer an unrivaled value proposition, providing our clients with exceptional quality at an accessible cost.

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. |