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: Meticulously designed for optimal Commercial Use, ensuring unparalleled performance and reliability in demanding environments.
Application: Expertly crafted for high TDS film membrane applications, this product delivers unmatched efficiency and superior performance in every use.
Active Membrane Area: With an outstanding 31.97 ft², this membrane is precisely engineered to optimize efficiency and significantly enhance output performance.
Average Permeated Flow: With a remarkable 800GPD, this product guarantees consistent, reliable water processing and exceptional performance.
Stable Rejection Rate: Offering a high rate of 96%-97%, this product ensures top-tier water quality, providing superior results with every operation.
Function: Effectively removes COD, BOD, and NH-N, greatly enhancing water purity and ensuring a cleaner, safer result.
Home RO membrane options available: Tailor your system with 75GPD, 100GPD, 150GPD, and 200GPD models, offering personalized, high-quality solutions.
Commercial RO membrane ranges include: Choose from 300GPD, 400GPD, 600GPD, and 800GPD models, crafted to meet diverse commercial needs with precision.
Industrial membrane models offered: Available in 2521, 2540, 4021, 4040, and 8040 models, expertly designed for a broad spectrum of industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are precisely crafted for municipal water, tap water, and well water applications, delivering exceptional desalination treatment. Perfectly suited for premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Experience exceptional large traffic and high stability, ensuring seamless operations and unmatched satisfaction.
2. Benefit from low operating pressure and exceptional cost-effectiveness, maximizing your investment returns.




SAND.K is passionately dedicated to advancing water environmental technology, utilizing a global supply chain system to lead transformative innovations across the industry. We offer comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering commitment reaches beyond borders through e-commerce, catering to global customers in emerging markets with unparalleled dedication.
Our independent research and development, coupled with robust manufacturing capabilities, reinforces our position as leaders in the industry. By harnessing extensive data analysis, we create custom solutions for areas with high salinity water challenges, setting the bar for excellence in water treatment solutions.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and groundbreaking reuse of treated wastewater, propelling innovation. Moreover, our competitive cost advantage distinguishes us in the industry, providing unmatched 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. |