Model |
Adapted Pressure(psi/Mpa/bar) |
Salt Rejection(%) |
Flow Rate(GPD) |
Effective Membrane(ft²/m²) |
Size(inch) |
BW-RU4021 |
150/1.03/10.3 |
99.2 |
1000 |
36/3.3 |
4.0*21 |
BW-RU4040 |
2800 |
90/8.4 |
4.0*40 |
BW-RU8040 |
11300 |
400/37.2 |
8.0*40 |
BW-RL4021 |
225/1.55/15.5 |
99.6 |
900 |
36/3.3 |
4.0*21 |
BW-RL4040 |
2500 |
90/8.4 |
4.0*40 |
BW-RL8040 |
11000 |
400/37.2 |
8.0*40 |
BW-RX4040 |
100/0.69/6.9 |
99.2 |
2600 |
90/8.4 |
4.0*40 |
BW-RX8040 |
12000 |
400/37.2 |
8.0*40 |
RU8040-LDP34 |
150/1.03/10.3 |
99.6 |
10500 |
400/37.2 |
8.0*40 |
RL8040-OP10 |
225/1.55/15.5 |
99.7 |
11000 |
400/37.2 |
8.0*40 |
FR4040 |
99.5 |
2200 |
90/8.4 |
4.0*40 |
Versatile Applications
Applicable Industries: Expertly engineered for optimal Commercial Use, our innovative technology elevates industry standards and caters to the needs of diverse commercial applications.
Application: Masterfully crafted for high TDS film membrane applications, our cutting-edge product delivers unmatched performance, ensuring superior results for the most demanding water treatment processes.
Active Membrane Area: Boasting an impressive 31.97 ft², this design maximizes efficiency and significantly enhances output, ensuring your system operates at peak performance.
Average Permeated Flow: A stellar 800GPD, our product guarantees consistent and reliable water processing capabilities, making it a cornerstone in any robust water treatment system.
Stable Rejection Rate: With a consistently high rejection rate of 96%-97%, our membrane ensures superior water quality, delivering purified water with every single use.
Function: Efficiently removing COD, BOD, and NH-N, our advanced technology significantly enhances overall water purity, setting a new standard in water treatment.
Home RO membrane options available: Tailor your water purification needs with our personalized solutions, available in 75GPD, 100GPD, 150GPD, and 200GPD variants.
Commercial RO membrane ranges include: Catering to diverse commercial demands, our solutions offer 300GPD, 400GPD, 600GPD, and 800GPD variants, ensuring optimal performance.
Industrial membrane models offered: Address a wide range of industrial needs with our comprehensive models - 2521, 2540, 4021, 4040, and 8040, engineered for excellence.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted for municipal water, tap water, and well water applications. They deliver outstanding desalination treatment, finding widespread use in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring robust operations and ultimate satisfaction through our state-of-the-art technology.
2. Enjoy the benefits of low operating pressure and superior cost-effectiveness, maximizing your investment while maintaining performance excellence.



SAND.K is passionately committed to advancing water environmental technology. By harnessing a global supply chain system, we spearhead transformative innovation across the industry, setting new benchmarks for excellence. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends internationally through e-commerce, serving global customers in emerging markets with unmatched commitment.
Our independent R&D, combined with robust manufacturing capabilities, solidifies our standing as industry leaders, continually pushing boundaries in water treatment technology. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting the standard for excellence in innovative water treatment solutions.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving innovation forward. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits that redefine cost-effectiveness.

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. |