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: Meticulously engineered for optimal Commercial Use, our product stands out as an industry leader.
Application: Masterfully crafted for high Total Dissolved Solids (TDS) film membrane applications, delivering unmatched and superior performance.
Active Membrane Area: With an expansive 31.97 ft², this design maximizes efficiency and significantly boosts output.
Average Permeated Flow: An impressive 800GPD, ensuring continuous and dependable water processing capabilities.
Stable Rejection Rate: A remarkably consistent 96%-97%, ensuring superior water quality in every drop.
Function: Effectively removes Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), and Ammonium Nitrogen (NH-N), substantially enhancing water purity.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants for tailored solutions to fit your needs.
Commercial RO membrane ranges include: Options at 300GPD, 400GPD, 600GPD, and 800GPD, catering to a wide array of commercial requirements.
Industrial membrane models offered: Available in 2521, 2540, 4021, 4040, and 8040, these models meet diverse industrial demands with excellence.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously crafted commercial reverse osmosis membrane components are ideal for municipal water, tap water, and well water applications. They excel in desalination treatment and are widely used in high-quality bottled water production, direct drinking water systems, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Experience outstanding large flow capacity and high stability, ensuring dependable operations and unmatched satisfaction.
2. Benefit from low operating pressure and exceptional cost-effectiveness, optimizing your returns on investment.




SAND.K is passionately dedicated to advancing water environmental technology by leveraging a global supply chain system to drive transformative innovations industry-wide. We offer holistic, one-stop solutions for core components, expertly crafted for small to medium-sized equipment manufacturers. Our unwavering commitment reaches across borders via e-commerce, serving global customers in emerging markets with exceptional dedication.
Our independent research and development, combined with robust manufacturing capabilities, establishes our reputation as industry frontrunners. By utilizing extensive data analysis, we design customized solutions for regions with high salinity water challenges, setting the benchmark for excellence in water treatment solutions.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering endeavors in treated wastewater reuse, propelling innovation forward. In addition, our competitive cost advantage distinguishes us 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. |