BRACKISH WATER SERIE |
Model |
Adapted Pressure
(psi/Mpa/bar) |
Salt Rejection |
Flow Rate
(GPD) |
Effective Membrane
(ft²/m²) |
Size(Inch) |
RU4021 |
150/1.03/10.3 |
99.2% |
2800 |
36/3.3 |
4.0*21 |
RU4040 |
150/1.03/10.3 |
99.2% |
1000 |
90/8.4 |
4.0*40 |
RU8040 |
150/1.03/10.3 |
99.2% |
11300 |
400/37.2 |
8.0*40 |
RL4021 |
225/1.55/15.5 |
99.6% |
2500 |
36/3.3 |
4.0*21 |
RL4040 |
225/1.55/15.5 |
99.6% |
900 |
90/8.4 |
4.0*40 |
RL8040 |
225/1.55/15.5 |
99.6% |
11000 |
400/37.2 |
8.0*40 |
Versatile Applications
Discover unparalleled versatility with our groundbreaking technology, meticulously engineered to expertly transform both surface and groundwater into pure, usable forms by controlling salt concentrations with precision—ranging from 2000 to 8000 ppm. Ideally suited for an expansive spectrum of industries such as Pharmaceutical, Chemical, Food and Beverage, Electronics Manufacturing, and Power Plants, our solutions shine in Greenhouses and Agriculture, Boiler Feed Water preparation, Aquariums, and beyond, providing exemplary performance in these dynamic sectors.
Pure Water Preparation and Related Industries: The BW RO Membrane has been thoughtfully crafted to treat Brackish Water with precision, delivering consistently exceptional quality and reliability in its performance every time.
Main Features:
1. High-Quality Water Purification: The industrial-grade Membrane BW 4040 is expertly designed to produce immaculate, safe drinking water, serving household, commercial, and hotel applications with unparalleled precision and ease.
2. Advanced Filtration Technology: Leveraging a state-of-the-art 5-stage filtration system, this product achieves an astounding 99% salt rejection rate, with an average permeated flow of 1500gpd, making it the definitive choice for those seeking dependable and efficient water purification solutions.
3. Durable and Long-Lasting: Boasting an innovative self-cleaning function and a robust 6-month RO filter lifespan, this product ensures minimal upkeep, drastically reducing the need for frequent replacements, thus saving users valuable time and resources effectively.
4. Certified and Compliant: Meeting CE certification standards, this product aligns with international safety and quality regulations, offering users peace of mind and confidence in its superior performance and dependability.
5. Easy Installation and Operation: Designed for effortless installation and operation, featuring English as the operating language and a user-friendly interface, it caters to a wide variety of users, including those with limited technical expertise, ensuring ease of use and convenience.




SAND.K is passionately spearheading advancements in water environmental technology, leveraging a robust global supply chain system to deliver revolutionary progress industry-wide, continuously setting new standards in innovation. We provide all-encompassing, integrated solutions for essential components, expertly customized for small and medium-sized equipment manufacturers. Our dedication crosses borders via e-commerce, extending our pioneering solutions to global customers in developing regions, ensuring they receive transformative innovations that set new standards.
Our independent research and advanced manufacturing capabilities firmly establish us as visionary leaders and innovators, driving forward groundbreaking developments in the field. Through rigorous data analysis, we offer customized solutions for regions grappling with high salinity water challenges, raising the bar in water treatment technology to unprecedented heights.
Our visionary solutions cover seawater desalination, waste leachate treatment, drinking water purification, and pioneering treated wastewater reuse, delivering extraordinary innovation. Furthermore, our strategic cost advantage sets us apart in the industry, providing unmatched value and efficiency, enhancing customer satisfaction significantly.

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. |