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, the SW 4021 Sea Water Membrane is a testament to innovative design, perfectly suited for the demanding landscapes of the commercial sector.
Application: Masterfully crafted for high TDS film membrane applications, our product excels in delivering unparalleled performance, ensuring your operations run with precision and reliability.
Active Membrane Area: With an impressive 31.97 ft², this membrane is designed to maximize efficiency and enhance output, showcasing a commitment to superior quality and performance.
Average Permeated Flow: An outstanding 800GPD flow rate guarantees consistent and reliable water processing capabilities, making it the perfect choice for your water purification needs.
Stable Rejection Rate: Our membrane boasts a consistently high rejection rate of 96%-97%, ensuring superior water quality with every use, embodying excellence in filtration technology.
Function: This membrane expertly removes COD, BOD, and NH-N, significantly enhancing overall water purity and assuring a cleaner water solution for your applications.
Home RO membrane options available: Tailor your water purification system with our 75GPD, 100GPD, 150GPD, and 200GPD variants, providing personalized solutions for every home.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD options to meet diverse commercial demands, ensuring your business operates with unrivaled efficiency.
Industrial membrane models offered: Our comprehensive range includes the 2521, 2540, 4021, 4040, and 8040 models, adeptly addressing a wide array of industrial needs with precision and reliability.
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 excel in desalination treatment, widely utilized in premium bottled water production, direct drinking solutions, food processing, pharmaceutical manufacturing, and beyond, setting the benchmark for quality.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring reliable operations and ultimate satisfaction; our membranes promise unwavering performance and peace of mind.
2. Enjoy the benefits of low operating pressure and superior cost-effectiveness, maximizing your investment while ensuring optimal functionality for diverse applications.






SAND.K is ardently committed to advancing water environmental technology, leveraging a global supply chain system to spearhead transformative innovation, setting new industry standards. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our dedication crosses borders via e-commerce, serving global customers in emerging markets with unmatched dedication and excellence.
Our independent R&D, coupled with robust manufacturing capabilities, reinforces our status as industry leaders, ensuring that our solutions are at the cutting edge of technology and innovation. By leveraging extensive data analysis, we craft custom solutions tailored to regions facing high salinity water challenges, setting new standards of excellence in water treatment solutions and ensuring adaptability to diverse conditions.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving innovation forward and enhancing sustainability. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits, making us the preferred choice for cost-effective and efficient water treatment solutions.

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. |