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 is the definitive choice for businesses requiring efficient and effective water treatment solutions.
Application: Experience the pinnacle of innovation with this masterfully crafted membrane, designed for high TDS film membrane applications, ensuring unparalleled performance and exceptional reliability.
Active Membrane Area: With an impressive 31.97 ft², this membrane is engineered to maximize efficiency and boost output, meeting the highest standards of water processing excellence.
Average Permeated Flow: Achieve a stellar 800GPD, providing consistent and reliable water processing capabilities, a testament to our commitment to quality and performance.
Stable Rejection Rate: Boasting a consistently high 96%-97% rejection rate, this membrane guarantees superior water quality, ensuring that every drop meets stringent purity standards.
Function: Expertly designed to efficiently remove COD, BOD, and NH-N, significantly enhancing overall water purity and setting new benchmarks for cleanliness.
Home RO membrane options available: Discover personalized solutions with our range of 75GPD, 100GPD, 150GPD, and 200GPD variants, crafted to meet your specific water purification needs.
Commercial RO membrane ranges include: Choose from 300GPD, 400GPD, 600GPD, and 800GPD models, designed to cater to diverse commercial demands and deliver exceptional performance.
Industrial membrane models offered: Explore our comprehensive selection, including the 2521, 2540, 4021, 4040, and 8040 models, addressing a wide range of industrial requirements 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, widely utilized in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Revel in the exceptional large traffic and high stability that our products offer, promising reliable operations and ultimate customer satisfaction with every use.
2. Enjoy the remarkable benefits of low operating pressure coupled with superior cost-effectiveness, optimizing your investment and delivering exceptional value.




SAND.K is passionately dedicated to advancing water environmental technology, utilizing a global supply chain system to lead transformative innovation across the industry. We offer 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.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders. 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.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving innovation forward. Moreover, our competitive cost advantage sets us apart in the industry, offering 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. |