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 to ensure optimal performance in Commercial Use, unlocking new potentials for efficiency and effectiveness.
Application: Masterfully crafted for high TDS film membrane applications, delivering unparalleled performance and setting new benchmarks in water purification.
Active Membrane Area: Boasting an impressive 31.97 ft², this design is meticulously crafted to maximize efficiency and dramatically enhance output.
Average Permeated Flow: Achieving a stellar 800GPD, this ensures consistent and reliable water processing capabilities that meet the demands of modern applications.
Stable Rejection Rate: Maintains a consistently high 96%-97%, ensuring superior water quality is delivered with every use.
Function: Efficiently removing COD, BOD, and NH-N, significantly elevating overall water purity to new heights of excellence.
Home RO membrane options available: Tailor your water solutions with 75GPD, 100GPD, 150GPD, and 200GPD variants, designed for personalized and efficient use.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, expertly crafted to meet diverse commercial demands with precision.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, addressing diverse industrial needs with advanced technology.
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. Embrace excellence in every drop.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring operations are consistently reliable and satisfaction reaches its peak.
2. Enjoy the remarkable benefits of low operating pressure and unparalleled cost-effectiveness, optimizing every aspect of your investment.






SAND.K is ardently committed to advancing water environmental technology, harnessing a global supply chain system to spearhead transformative innovation across the industry. Experience the future of water technology with us. 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 and expertise.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, pushing the boundaries of what's possible. 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 and innovative solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving innovation and sustainability forward. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits that redefine market standards.

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. |