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 deliver peak performance, our product is the epitome of reliability for all Commercial Uses.
Application: Meticulously designed for high Total Dissolved Solids (TDS) film membrane applications, our product ensures exceptional performance and reliability.
Active Membrane Area: With an impressive 31.97 ft², this product is engineered to enhance efficiency and maximize output, setting a new standard in the industry.
Average Permeated Flow: A remarkable 800GPD flow capacity guarantees consistent and dependable water processing, elevating your water treatment experience.
Stable Rejection Rate: Achieving a consistently high rejection rate of 96%-97%, our membrane ensures superior water quality with each utilization.
Function: Effectively removes COD, BOD, and NH-N, significantly boosting the purity and quality of water processed, making it ideal for various applications.
Home RO membrane options available: Tailor your needs with choices from 75GPD, 100GPD, 150GPD, and 200GPD variants, offering personalized water solutions.
Commercial RO membrane ranges include: Designed to meet diverse commercial demands, choose from 300GPD, 400GPD, 600GPD, and 800GPD.
Industrial membrane models offered: Our models 2521, 2540, 4021, 4040, and 8040 cater to a broad spectrum of industrial needs, ensuring adaptability and efficiency.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components, crafted with precision, are perfect for municipal water, tap water, and well water applications. They excel in desalination treatment and are extensively used in premium bottled water production, direct drinking solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Experience the benefits of exceptional large traffic and high stability, ensuring reliable operations that surpass expectations.
2. Enjoy low operating pressure and superior cost-effectiveness, offering optimal performance without compromising on your investment.






SAND.K is passionately committed to water environmental technology advancement, utilizing a global supply chain system to lead transformative innovation within the industry. We offer comprehensive, one-stop solutions for core components, expertly designed for small to medium-sized equipment manufacturers. Our unwavering dedication extends worldwide through e-commerce, delivering unmatched commitment to global customers in emerging markets.
Our independent R&D, combined with robust manufacturing capabilities, reinforces our standing as industry leaders, consistently pushing the boundaries of innovation. By leveraging extensive data analysis, we create custom solutions for regions with high salinity water challenges, setting the benchmark for excellence in water treatment solutions.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering treated wastewater reuse, driving forward innovation in water technology. Furthermore, our competitive cost advantage distinguishes us in the industry, offering unparalleled 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. |