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 product sets new standards for performance and reliability.
Application: Masterfully crafted for high TDS film membrane applications, this product delivers unmatched performance and efficiency.
Active Membrane Area: With a remarkable 31.97 ft², this design maximizes efficiency and boosts output, setting a new benchmark for productivity.
Average Permeated Flow: Enjoy a superb 800GPD, providing consistent and dependable water processing capabilities for peace of mind.
Stable Rejection Rate: Featuring an impressive 96%-97% rate, this ensures superior water quality every time, promoting healthier outcomes.
Function: Efficiently removes COD, BOD, and NH-N, significantly enhancing water purity for pristine results.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants, offering personalized solutions for every need.
Commercial RO membrane ranges include: Options such as 300GPD, 400GPD, 600GPD, and 800GPD meet diverse commercial demands with finesse.
Industrial membrane models offered: Choose from 2521, 2540, 4021, 4040, and 8040, designed to tackle a spectrum of industrial needs effectively.
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 excel in desalination, making them ideal for premium bottled water, direct drinking solutions, food processing, and pharmaceutical production, and more.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring reliable operations and ultimate customer satisfaction.
2. Benefit from low operating pressure and enjoy superior cost-effectiveness, optimizing your investment and driving success.



SAND.K is passionately committed to advancing water environmental technology, leveraging a global supply chain system to lead transformative innovation across the industry. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends worldwide through e-commerce, serving global customers in emerging markets with unmatched dedication.
Our independent R&D, combined with robust manufacturing capabilities, solidifies our position as industry leaders, ensuring top-notch quality and innovation. By leveraging extensive data analysis, we craft custom solutions for regions with high salinity water challenges, setting the benchmark for water treatment excellence.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving forward innovation and sustainability. Moreover, our competitive cost advantage sets us apart in the industry, providing unparalleled 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. |