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 to elevate the standards in optimal Commercial Use.
Application: This product is masterfully crafted for high TDS film membrane applications, ensuring unmatched performance and reliability.
Active Membrane Area: Featuring an impressive 31.97 ft², this design is tailored to maximize efficiency and boost output like never before.
Average Permeated Flow: With a stellar 800GPD, it guarantees consistent and reliable water processing capabilities you can depend on.
Stable Rejection Rate: Consistently high at 96%-97%, it promises superior water quality with every use, setting the gold standard.
Function: Efficiently removing COD, BOD, and NH-N, this product significantly enhances overall water purity, making it a crucial player in water treatment.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants to tailor personalized solutions for your unique needs.
Commercial RO membrane ranges include: Choose from 300GPD, 400GPD, 600GPD, and 800GPD to perfectly address diverse commercial demands.
Industrial membrane models offered: We provide 2521, 2540, 4021, 4040, and 8040 models, expertly addressing a vast range of industrial needs.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously engineered for municipal water, tap water, and well water applications. They deliver exceptional desalination treatment, widely used in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring continuous reliable operations and ultimate customer satisfaction.
2. Enjoy the advantages of low operating pressure and superior cost-effectiveness, optimizing your investment for long-term benefits.



SAND.K is passionately committed to advancing water environmental technology, leveraging a global supply chain system to drive transformative innovation across the industry. We offer comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends across borders through e-commerce, serving global customers in emerging markets with unparalleled commitment.
Our independent R&D, combined with robust manufacturing capabilities, cements our position as industry leaders. By leveraging extensive data analysis, we craft bespoke solutions for regions facing high salinity water challenges, setting the benchmark for excellence in water treatment solutions.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, propelling innovation forward. Moreover, our competitive cost advantage distinguishes us in the industry, offering unmatched 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. |