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 unparalleled performance in Commercial Use, ensuring robust solutions tailored to meet diverse industry demands.
Application: Masterfully crafted for high Total Dissolved Solids (TDS) membrane applications, delivering remarkable performance and reliability every step of the way.
Active Membrane Area: With an impressive 31.97 ft², this membrane is designed to maximize efficiency, significantly enhancing output and ensuring exceptional productivity.
Average Permeated Flow: A remarkable 800 Gallons Per Day (GPD), providing consistent and reliable water processing capabilities, setting a new standard for excellence.
Stable Rejection Rate: Boasting a consistently high 96%-97%, this membrane guarantees superior water quality, ensuring that every use exceeds expectations.
Function: Efficiently removes Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), and Ammonium Nitrogen (NH-N), remarkably enhancing overall water purity.
Home RO membrane options available: Choose from tailored solutions with 75GPD, 100GPD, 150GPD, and 200GPD variants, offering personalized water purification solutions for any home.
Commercial RO membrane ranges include: Designed to meet diverse commercial demands, our options include 300GPD, 400GPD, 600GPD, and 800GPD, ensuring comprehensive solutions.
Industrial membrane models offered: Our range includes 2521, 2540, 4021, 4040, and 8040 models, each meticulously crafted to address a wide spectrum of industrial needs.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are precisely crafted for municipal water, tap water, and well water applications. They deliver outstanding desalination treatment, making them ideal for premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and many more.
Product advantages
1. Experience exceptional high traffic capacity and stability, ensuring reliable operations that culminate in ultimate satisfaction.
2. Benefit from low operating pressure and unmatched cost-effectiveness, optimizing your investment and offering exceptional value.






SAND.K is passionately devoted to advancing water environmental technology, leveraging a global supply chain system to unleash transformative innovation across the industry. We provide comprehensive, one-stop solutions for core components, expertly designed for small to medium-sized equipment manufacturers. Our unwavering commitment extends across borders through e-commerce, serving global customers in emerging markets with unmatched dedication.
Our independent research and development, combined with robust manufacturing capabilities, solidifies our status as industry leaders in water technology. By leveraging extensive data analysis, we craft customized solutions for regions facing high salinity water challenges, setting the benchmark for excellence in water treatment solutions.
Our innovative solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, pushing the boundaries of innovation. Moreover, our competitive cost advantage distinguishes us in the industry, offering unmatched value and strategic benefits that are second to none.

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. |