Model |
Adapted Pressure(psi/Mpa/bar) |
Salt Rejection(%) |
Flow Rate(GPD/m/d) |
Effective Membrane(ft²/m²) |
Boron Rejection(%) |
Size(inch) |
SW4021-LE |
800/5.52/55.2 |
99.5 |
640/2.4 |
33/3.1 |
|
4.0*21 |
SW2521-LE |
240/0.9 |
12/1.1 |
2.5*21 |
SW2540-LE |
540/2.0 |
28/2.6 |
2.5*40 |
SW4021-HR |
99.6 |
540/2.0 |
33/3.1 |
4.0*21 |
SW2521-HR |
190/0.72 |
12/1.1 |
2.5*21 |
SW2540-HR |
450/1.7 |
28/2.6 |
2.5*40 |
SW4021-HRLE |
99.6 |
640/2.4 |
33/3.1 |
4.0*21 |
SW2521-HRLE |
240/0.9 |
12/1.1 |
2.5*21 |
SW2540-HRLE |
540/2.0 |
28/2.6 |
2.5*40 |
SW4040-HR |
99.7 |
1180/4.5 |
82/7.6 |
4.0*40 |
SW8040-HR |
99.8 |
6900/26 |
400/37 |
92 |
8.0*40 |
SW8040-HRP |
7500/28 |
440/41 |
8.0*40 |
SW4040-HRLE |
99.7 |
1450/5.5 |
82/7.6 |
|
4.0*40 |
SW8040-HRLE |
99.8 |
7500/28 |
400/37 |
92 |
8.0*40 |
SW8040-HRLEP |
8200/31 |
440/41 |
8.0*40 |
SW8040-HRFR |
99.8 |
6000/23 |
400/37 |
8.0*40 |
SW4040-XHR |
99.75 |
1180/4.5 |
82/7.6 |
|
4.0*40 |
SW8040-XHR |
99.82 |
6000/23 |
400/37 |
92 |
8.0*40 |
SW8040-XHRP |
6600/25 |
440/41 |
8.0*40 |
Versatile Applications
Applicable Industries: Expertly engineered for optimal Commercial Use, ensuring that businesses achieve maximum efficiency and cost-effectiveness.
Application: Masterfully crafted for high TDS film membrane applications, delivering unparalleled performance and ensuring exceptional filtration results every time.
Active Membrane Area: Boasting an impressive 31.97 ft², designed to maximize efficiency and enhance output, making it a powerhouse in any filtration system.
Average Permeated Flow: A stellar 800GPD, ensuring consistent and reliable water processing capabilities, perfect for maintaining high standards of water purity.
Stable Rejection Rate: A consistently high 96%-97%, guaranteeing superior water quality with every use, providing peace of mind for all applications.
Function: Efficiently removing COD, BOD, and NH-N, significantly enhancing overall water purity and setting the benchmark for advanced filtration solutions.
Home RO membrane options available: Choose from 75GPD, 100GPD, 150GPD, and 200GPD variants for personalized solutions, tailored to meet your unique home water purification needs.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD to meet diverse commercial demands, ensuring your business runs smoothly with optimal water quality.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, addressing a wide range of industrial needs with precision and efficiency.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted for municipal water, tap water, and well water applications. They deliver outstanding desalination treatment, widely utilized in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond, establishing new standards of excellence.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring reliable operations and ultimate satisfaction, making it the top choice for discerning users.
2. Enjoy the benefits of low operating pressure and superior cost-effectiveness, optimizing your investment and ensuring long-term savings.




SAND.K is ardently committed to advancing water environmental technology, harnessing a global supply chain system to spearhead transformative innovation across the industry, driving forward the future of water treatment. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our steadfast dedication extends across borders through e-commerce, serving global customers in emerging markets with unparalleled dedication and support.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, ensuring that our innovations remain at the forefront of technological advancements. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting the standard for excellence in water treatment solutions worldwide.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving innovation forward and ensuring a sustainable future. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits 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. |