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, delivering exceptional performance across various sectors.
Application: Masterfully crafted for high Total Dissolved Solids (TDS) membrane applications, offering unmatched efficiency and superior results.
Active Membrane Area: With an impressive 31.97 ft², this membrane is designed to maximize operational efficiency and boost productivity.
Average Permeated Flow: Delivering an outstanding 800GPD, this membrane ensures consistent and reliable water processing for various needs.
Stable Rejection Rate: Achieving a remarkable 96%-97%, this membrane guarantees high-quality water output with every use.
Function: Efficiently removes COD, BOD, and NH-N, drastically improving water purity and ensuring exceptional quality.
Home RO membrane options available: Choose from 75GPD, 100GPD, 150GPD, and 200GPD models to find the perfect fit for your needs.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD options to cater to diverse commercial requirements.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, providing solutions for a vast array of industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously engineered commercial reverse osmosis membrane components are perfect for municipal, tap, and well water applications. They deliver outstanding desalination treatment, making them the go-to choice for premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Experience exceptional large flow rates and high stability, ensuring reliable operation and ultimate user satisfaction.
2. Benefit from low operating pressure and superior cost-effectiveness, maximizing your investment and optimizing performance.






SAND.K is wholeheartedly dedicated to advancing water environmental technology, utilizing a global supply chain system to lead transformative innovation across the industry. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends globally through e-commerce, serving customers in emerging markets with unmatched commitment.
Our independent research and development, combined with robust manufacturing capabilities, firmly establish us as leaders in the industry. By leveraging extensive data analysis, we create custom solutions for regions confronting high salinity water challenges, setting industry standards for excellence in water treatment solutions.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, propelling innovation forward. Furthermore, 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. |