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 HJC SW2521 RO Membrane elevates performance in every professional domain.
Application: Masterfully crafted for high TDS film membrane applications, this product delivers unparalleled performance, setting a new benchmark for excellence.
Active Membrane Area: Boasting an impressive 31.97 ft², this design maximizes efficiency and significantly enhances output, ensuring optimal utilization.
Average Permeated Flow: With a stellar rate of 800GPD, this membrane ensures consistent and reliable water processing capabilities, meeting all your requirements.
Stable Rejection Rate: Consistently achieving a high 96%-97%, this membrane guarantees superior water quality with each use, maintaining exceptional standards.
Function: Efficiently removes COD, BOD, and NH-N, significantly enhancing overall water purity and leading in water quality improvement.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants, allowing for personalized and precise solutions tailored to your needs.
Commercial RO membrane ranges include: Offering 300GPD, 400GPD, 600GPD, and 800GPD, these options meet diverse commercial demands with unmatched flexibility.
Industrial membrane models offered: Including 2521, 2540, 4021, 4040, and 8040 models, each addressing a wide spectrum of industrial needs with precision.
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, are widely utilized in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond, setting industry standards.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring reliable operations and ultimate satisfaction with every use.
2. Enjoy the benefits of low operating pressure and superior cost-effectiveness, optimizing your investment for greater returns.




SAND.K is ardently committed to advancing water environmental technology, harnessing a global supply chain system to spearhead transformative innovation across the industry, redefining global standards. 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 to excellence.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, pushing boundaries for future innovation. 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 redefining possibilities. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits that revolutionize cost-efficiency.

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. |