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, ensuring unmatched efficiency and performance.
Application: Masterfully crafted for high TDS film membrane applications, these membranes deliver unrivaled performance and reliability.
Active Membrane Area: With a remarkable 31.97 ft², designed to maximize operational efficiency while enhancing output quality.
Average Permeated Flow: An exceptional 800GPD flow rate ensures consistent and reliable water processing capabilities, turning water treatment into a seamless experience.
Stable Rejection Rate: A consistently high 96%-97% rejection rate guarantees superior water quality with every use, assuring peace of mind.
Function: Efficiently removes COD, BOD, and NH-N, significantly enhancing overall water purity and maintaining the highest standards.
Home RO membrane options available: Choose from 75GPD, 100GPD, 150GPD, and 200GPD variants for personalized and efficient home solutions.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, perfectly catering to diverse commercial demands and ensuring superior results.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, addressing a wide spectrum of industrial needs with precision and reliability.
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. They provide exceptional desalination treatment, widely employed in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and a host of other applications.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring seamless operations and ultimate satisfaction every time.
2. Enjoy the remarkable benefits of low operating pressure combined with superior cost-effectiveness, optimizing your investment for maximum returns.






SAND.K is ardently committed to advancing water environmental technology, harnessing a global supply chain system to spearhead transformative innovation across the industry, setting new benchmarks continually. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our steadfast dedication, coupled with a robust e-commerce platform, spans across borders, serving global customers in emerging markets with unparalleled dedication.
Our independent R&D, combined with robust manufacturing capabilities, solidifies our position as esteemed industry leaders. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting the industry standard for excellence in water treatment solutions.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering efforts in the reuse of treated wastewater, propelling innovation forward. Moreover, our competitive cost advantage distinguishes us in the industry, offering unmatched value and strategic benefits that empower our partners.

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. |