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 a groundbreaking level of versatility with our state-of-the-art BRACKISH WATER Reverse Osmosis Membrane. Expertly crafted to efficiently desalinate both surface and groundwater, it precisely manages salt concentrations from 2000 to 8000 ppm. Perfectly engineered for a wide array of industries, including Pharmaceutical, Chemical, Food and Beverage, Electronics Manufacturing, and Power Plants, our solutions also excel in Greenhouses and Agriculture, Boiler Feed Water preparation, Aquariums, and more, delivering superior results across these diverse sectors.
Pure Water Preparation and Related Industries: The BW RO Membrane is meticulously designed to treat Brackish Water, ensuring consistently exceptional quality outcomes every single time, providing unmatched performance reliability.
Main Features:
1. High-Quality Water Purification: The Industrial Membrane BW 4040 is ingeniously designed to deliver pristine and safe drinking water, catering effortlessly to household, commercial, and hotel applications with utmost precision.
2. Advanced Filtration Technology: Boasting a cutting-edge 5-stage filtration system, this product achieves an impressive 99% salt rejection rate with an average permeated flow of 1500gpd, making it the premier choice for users seeking reliable and efficient water purification solutions.
3. Durable and Long-Lasting: Featuring a remarkable self-cleaning function and a robust 6-month RO filter lifespan, this product ensures minimal maintenance, significantly reducing the need for frequent replacements, thus conserving users' time and resources effectively.
4. Certified and Compliant: Having attained CE certification standards, this product ensures adherence to international safety and quality regulations, granting users assurance and confidence in its outstanding performance and reliability.
5. Easy Installation and Operation: Expertly designed for effortless installation and operation, with English as the operating language and a user-friendly interface, it is easily accessible to a broad spectrum of users, including those with limited technical expertise, ensuring ultimate ease and convenience.




SAND.K is proudly pioneering the field of water environmental technology, leveraging a robust global supply chain system to introduce groundbreaking advancements across the industry, setting new standards in innovation. We offer comprehensive, all-in-one solutions for essential components, meticulously tailored for small and medium-sized equipment manufacturers. Our commitment extends beyond borders through e-commerce, delivering our pioneering solutions to global customers in developing regions, ensuring access to transformative innovations that redefine industry standards.
Our independent research and sophisticated manufacturing capabilities position us firmly as forward-thinking leaders and innovators in the field, paving the way for cutting-edge developments. Through extensive data analysis, we provide bespoke solutions for regions facing high salinity water challenges, elevating the standards in water treatment technology to new heights.
Our forward-thinking solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering treated wastewater reuse, delivering exceptional innovation. Moreover, our strategic cost advantage clearly distinguishes us within the industry, delivering unmatched 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. |