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 to excel in Commercial Use, our product redefines standards.
Application: Masterfully crafted for high TDS film membrane applications, ensuring exceptional performance beyond expectations.
Active Membrane Area: With an impressive 31.97 ft², this membrane is designed to maximize efficiency and significantly enhance output.
Average Permeated Flow: A remarkable 800GPD, offering consistent and reliable water processing capabilities for superior results.
Stable Rejection Rate: Maintaining a high 96%-97%, this membrane guarantees superior water quality with each use.
Function: Efficiently removing COD, BOD, and NH-N, this product significantly enhances overall water purity, ensuring pristine outcomes.
Home RO membrane options available: Choose from 75GPD, 100GPD, 150GPD, and 200GPD variants, delivering personalized solutions for your needs.
Commercial RO membrane ranges include: Offering 300GPD, 400GPD, 600GPD, and 800GPD to meet diverse commercial demands seamlessly.
Industrial membrane models offered: Models 2521, 2540, 4021, 4040, and 8040 are available, catering to a wide array of industrial needs.
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, delivering exceptional desalination treatment. Highly sought after in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Revel in exceptional large traffic and high stability, assuring reliable operations and ultimate satisfaction, setting a new benchmark for excellence.
2. Enjoy the benefits of low operating pressure and superior cost-effectiveness, optimizing your investment and enhancing value.




SAND.K is passionately committed to advancing water environmental technology, utilizing a global supply chain system to spearhead transformative innovation throughout the industry. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering dedication crosses borders via e-commerce, serving global customers in emerging markets with unparalleled commitment.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, setting new standards of excellence. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting the benchmark for excellence in water treatment solutions.
Our dynamic solutions range from seawater desalination and waste leachate treatment to drinking water purification and pioneering the reuse of treated wastewater, driving innovation forward with precision. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits that are truly unparalleled.

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. |