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 achieve peak performance, our product is essential for optimal Commercial Use, ensuring superior results in every application.
Application: Masterfully crafted to excel in high TDS film membrane applications, delivering unparalleled performance and cutting-edge efficiency.
Active Membrane Area: With an expansive 31.97 ft², this design is crafted to maximize efficiency, enhancing output and ensuring remarkable productivity.
Average Permeated Flow: With a remarkable 800GPD, this product ensures consistent and reliable water processing capabilities, standing as a hallmark of quality.
Stable Rejection Rate: Expect a high 96%-97% rejection rate, ensuring superior water quality and performance you can rely on.
Function: Efficiently removes COD, BOD, and NH-N, significantly enhancing overall water purity and setting new standards in water treatment.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants to achieve personalized and efficient water solutions.
Commercial RO membrane ranges include: Options of 300GPD, 400GPD, 600GPD, and 800GPD are available to meet various commercial demands seamlessly.
Industrial membrane models offered: Available in 2521, 2540, 4021, 4040, and 8040, our range addresses a wide array of industrial needs effortlessly.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously crafted commercial reverse osmosis membrane components excel in municipal water, tap water, and well water applications. They provide outstanding desalination treatment and are widely used in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Enjoy exceptional large traffic and high stability, ensuring reliable operations, maximum efficiency, and ultimate satisfaction.
2. Benefit from low operating pressure and superior cost-effectiveness, optimizing your investment and enhancing performance.




SAND.K is passionately advancing water environmental technology, utilizing a global supply chain system to lead transformative innovation across the industry. We offer comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our dedication extends across borders through e-commerce, serving global customers in emerging markets with unmatched commitment.
Our independent R&D, along with robust manufacturing capabilities, reinforces our status as industry leaders. Through extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting the benchmark 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, propelling innovation forward. Additionally, our competitive cost advantage distinguishes us in the industry, offering unmatched value and strategic benefits across the globe.

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. |