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
Experience an extraordinary realm of versatility with our cutting-edge technology, masterfully crafted to efficiently desalinate both surface and groundwater, precisely managing salt concentrations between 2000 to 8000 ppm. Ingeniously designed for a remarkable spectrum of industries like Pharmaceutical, Chemical, Food and Beverage, Electronics Manufacturing, and Power Plants, our solutions also excel in Greenhouses, Agriculture, Boiler Feed Water preparation, Aquariums, and beyond. Delivering exceptional results across these dynamic sectors, our technology provides unparalleled efficiency.
Pure Water Preparation and Related Industries: The BW RO Membrane is expertly engineered for treating Brackish Water, ensuring consistently superior quality results with every use, offering unmatched performance reliability.
Main Features:
1. High-Quality Water Purification: The Industrial Membrane BW 4040 is meticulously designed to deliver pristine and safe drinking water, flawlessly serving household, commercial, and hotel applications with unmatched precision.
2. Advanced Filtration Technology: Equipped with a state-of-the-art 5-stage filtration system, this product achieves an impressive 99% salt rejection rate and provides an average permeated flow of 1500gpd, making it the ideal choice for users seeking dependable and efficient water purification solutions.
3. Durable and Long-Lasting: Featuring a remarkable self-cleaning function and a sturdy 6-month RO filter lifespan, this product ensures minimal maintenance requirements, significantly reducing the need for frequent replacements and conserving users' time and resources.
4. Certified and Compliant: Achieving CE certification standards, this product guarantees adherence to international safety and quality regulations, offering users assurance and confidence in its superior performance and reliability.
5. Easy Installation and Operation: Skillfully designed for effortless installation and operation, with English as the operating language and an intuitive user-friendly interface, it is easily accessible to a broad range of users, including those with limited technical expertise, ensuring ease and convenience.




SAND.K is dedicatedly spearheading advancements in water environmental technology, leveraging a robust global supply chain framework to bring groundbreaking innovations to the forefront of the industry, setting new milestones in technological excellence. We provide comprehensive, integrated solutions for crucial components, meticulously crafted for small and medium-sized equipment manufacturers. Our commitment spans internationally through e-commerce, extending our pioneering solutions to global customers in developing regions, guaranteeing access to transformative innovations that redefine standards.
Our independent research and sophisticated manufacturing capabilities firmly establish us as forward-thinking leaders and innovators in the field, paving the way for pioneering developments. Utilizing comprehensive data analysis, we deliver tailor-made solutions for regions contending with high salinity water challenges, elevating the standards in water treatment technology to unprecedented levels.
Our visionary solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering treated wastewater reuse, delivering unmatched innovation. Moreover, our strategic cost advantage sets us apart in the industry, delivering unparalleled value and efficiency, maximizing customer satisfaction.

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. |