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: Our expertly engineered design is tailored for optimal Commercial Use, ensuring superior performance and reliability.
Application: This product is masterfully crafted for high TDS film membrane applications, delivering unparalleled performance that sets a new benchmark for excellence.
Active Membrane Area: Boasting an impressive 31.97 ft², this membrane is meticulously designed to maximize efficiency and enhance output, ensuring top-tier productivity.
Average Permeated Flow: With a stellar 800GPD, this product guarantees consistent and reliable water processing capabilities, making it a standout choice in its class.
Stable Rejection Rate: Enjoy a consistently high rejection rate of 96%-97%, guaranteeing superior water quality with each use, and reinforcing your trust in our product.
Function: Efficiently removes COD, BOD, and NH-N, significantly enhancing overall water purity and ensuring the highest standards of water quality.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants, offering a range of personalized solutions tailored to meet your specific needs.
Commercial RO membrane ranges include: Our selection of 300GPD, 400GPD, 600GPD, and 800GPD caters to diverse commercial demands, providing solutions that adapt to your business requirements.
Industrial membrane models offered: Choose from 2521, 2540, 4021, 4040, and 8040 models, each addressing a wide range of industrial needs with precision and excellence.
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, delivering outstanding desalination treatment. Widely utilized in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond, these components exemplify superior quality and versatility.
Product advantages
1. Revel in the exceptional large traffic and high stability of our product, ensuring reliable operations and ultimate satisfaction that surpasses expectations.
2. Enjoy the benefits of low operating pressure coupled with superior cost-effectiveness, optimizing your investment with outstanding efficiency.




SAND.K is ardently committed to advancing water environmental technology, leveraging a global supply chain system to spearhead transformative innovation that reshapes the industry. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends across borders through e-commerce, serving global customers in emerging markets with unparalleled commitment.
Our independent R&D, combined with robust manufacturing capabilities, solidifies our position as industry leaders, consistently delivering innovative solutions. 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 encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving innovation forward. Moreover, our competitive cost advantage distinguishes us in the industry, offering unmatched value and strategic benefits that set us apart.

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. |