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.
Application: Masterfully crafted for high Total Dissolved Solids (TDS) film membrane applications, delivering unparalleled performance.
Active Membrane Area: Proudly engineered with an expansive 31.97 ft², designed to maximize efficiency and significantly enhance output.
Average Permeated Flow: An impeccable 800GPD, ensuring consistent and reliable water processing capabilities, promising peace of mind with every use.
Stable Rejection Rate: Remarkably maintaining a high 96%-97%, guaranteeing superior water quality with every use, epitomizing excellence in purification.
Function: Efficiently excising COD, BOD, and NH-N, significantly elevating overall water purity to meet the highest standards of quality.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants, providing tailored solutions for personalized needs.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD to meet diverse commercial demands with precision.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, designed to address a wide spectrum of industrial requirements.
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 much more.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring reliable operations that bring ultimate satisfaction.
2. Bask in the benefits of low operating pressure and exceptional cost-effectiveness, optimizing your investment with unparalleled efficiency.




SAND.K is ardently committed to advancing water environmental technology, harnessing a global supply chain system to spearhead transformative innovation across the entire industry. 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 unmatched dedication.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, showcasing our prowess. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting the gold 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 ever forward. Moreover, our unrivaled 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. |