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 excel in Commercial Use, ensuring efficient, reliable, and high-performance outcomes tailored for diverse business needs.
Application: Masterfully crafted for high TDS film membrane applications, the Efficient SW2540 RO Membrane delivers unmatched performance and reliability, elevating your water treatment processes to new heights.
Active Membrane Area: With a formidable 31.97 ft² of active membrane, this design maximizes efficiency and boosts output, promising exceptional productivity and performance.
Average Permeated Flow: A remarkable 800GPD, this feature ensures robust, consistent, and reliable water processing capabilities, meeting your demands with ease.
Stable Rejection Rate: With a steadfast rejection rate of 96%-97%, this product ensures superior water quality, providing you with the purest water every time.
Function: Expertly removes COD, BOD, and NH-N, significantly enhancing water purity and ensuring optimal filtration and water quality.
Home RO membrane options available: Tailor your water treatment solutions with our 75GPD, 100GPD, 150GPD, and 200GPD variants, designed for personalized home water purification.
Commercial RO membrane ranges include: Choose from 300GPD, 400GPD, 600GPD, and 800GPD to meet the diverse and demanding needs of commercial water treatment applications.
Industrial membrane models offered: Our robust offerings include 2521, 2540, 4021, 4040, and 8040 models, expertly addressing a wide range of industrial water treatment requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously engineered commercial reverse osmosis membrane components are ideal for municipal water, tap water, and well water applications. They excel in delivering exceptional desalination treatment and are extensively used in premium bottled water production, direct drinking solutions, food processing, pharmaceutical manufacturing, and more.
Product Advantages
1. Revel in the exceptional large traffic capacity and high operational stability, ensuring reliable performance and ultimate customer satisfaction.
2. Benefit from low operating pressure, offering superior cost-effectiveness that optimizes your investment and enhances efficiency.




SAND.K is fervently committed to advancing water environmental technology. Leveraging a global supply chain system, we drive transformative innovation across the industry, setting new benchmarks in water treatment solutions. We offer comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our dedication transcends borders through e-commerce, serving global customers in emerging markets with unmatched commitment and excellence.
Our independent R&D and robust manufacturing capabilities reinforce our position as industry leaders, ensuring cutting-edge solutions in water treatment technology. By utilizing extensive data analysis, we develop custom solutions for areas facing high salinity water challenges, establishing ourselves as the standard bearer for excellence in the water treatment industry.
Our innovative solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the pioneering reuse of treated wastewater, propelling forward-thinking innovation. Moreover, our competitive cost advantage distinguishes us in the industry, providing unmatched value and strategic benefits to our partners and customers.

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. |