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: The SW2521 RO Membrane by HJC is expertly engineered, catering to optimal commercial use with precision and excellence.
Application: This product is meticulously crafted for applications involving high TDS film membranes, ensuring unmatched performance and reliability.
Active Membrane Area: With an impressive 31.97 ft², the design maximizes efficiency and significantly enhances output capabilities.
Average Permeated Flow: Boasting a stellar flow rate of 800GPD, this membrane ensures consistent and reliable water processing, time after time.
Stable Rejection Rate: With an impressively high 96%-97% rate, it guarantees superior water quality, providing purity with every use.
Function: Efficiently removes COD, BOD, and NH-N, remarkably enhancing overall water purity for optimal results.
Home RO membrane options available: Tailor your water purification needs with variants of 75GPD, 100GPD, 150GPD, and 200GPD, offering personalized solutions.
Commercial RO membrane ranges include: Seamlessly meet diverse commercial demands with options of 300GPD, 400GPD, 600GPD, and 800GPD.
Industrial membrane models offered: Select from 2521, 2540, 4021, 4040, and 8040 to address a comprehensive range of industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously crafted commercial reverse osmosis membrane components are ideal for municipal, tap, and well water applications. They excel in desalination treatment, widely recognized in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Experience exceptional large traffic flow and high stability, ensuring reliable operations and delivering ultimate satisfaction.
2. Capitalize on the benefits of low operating pressure and exceptional cost-effectiveness, optimizing your investment with superior efficiency.




SAND.K passionately leads advancements in water environmental technology, leveraging a global supply chain system to drive industry-wide transformative innovation. We offer comprehensive, one-stop solutions for core components, expertly designed 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 cutting-edge R&D, paired with robust manufacturing capabilities, solidifies our leadership position in the industry. Through extensive data analysis, we craft bespoke solutions for regions challenged by high salinity water, setting the benchmark for excellence in water treatment solutions.
Our dynamic offerings include seawater desalination, waste leachate treatment, drinking water purification, and pioneering wastewater reuse, propelling innovation forward. Furthermore, our competitive cost advantage distinguishes us in the industry, delivering unmatched value and strategic benefits.

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. |