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 and meticulously designed for optimal Commercial Use, ensuring peak performance and reliability across a wide array of sectors.
Application: Masterfully crafted for high TDS film membrane applications, our product delivers unparalleled performance, consistently achieving superior results.
Active Membrane Area: With a remarkable 31.97 ft², this membrane is designed to maximize efficiency and enhance output, setting new standards in productivity.
Average Permeated Flow: Offering a stellar 800GPD, this membrane ensures consistent and reliable water processing capabilities, making it a top choice for demanding applications.
Stable Rejection Rate: With a consistently high 96%-97%, this membrane guarantees superior water quality with every use, ensuring peace of mind and satisfaction.
Function: Capable of efficiently removing COD, BOD, and NH-N, this membrane significantly enhances overall water purity, elevating your water treatment solutions.
Home RO membrane options available: Personalize your water purification system with our 75GPD, 100GPD, 150GPD, and 200GPD variants, designed to cater to individual needs.
Commercial RO membrane ranges include: Tailored to meet diverse commercial demands, choose from our range of 300GPD, 400GPD, 600GPD, and 800GPD options.
Industrial membrane models offered: Address a wide range of industrial needs with our models 2521, 2540, 4021, 4040, and 8040, ensuring comprehensive coverage.
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, making them widely utilized 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, ensuring reliable operations that deliver ultimate satisfaction and consistent performance.
2. Enjoy the benefits of low operating pressure combined with superior cost-effectiveness, optimizing your investment and delivering exceptional value.




SAND.K is ardently committed to advancing water environmental technology. We harness the power of a global supply chain system to spearhead transformative innovation across the industry with passion and purpose. 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, as we serve global customers in emerging markets with unparalleled commitment.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, ensuring cutting-edge solutions and advancements. 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 globally.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, continuously driving innovation forward. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits that distinguish us from the competition.

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. |