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 excel in Commercial Use, ensuring your business benefits from top-tier performance.
Application: Masterfully crafted for applications involving high TDS film membranes, delivering unparalleled performance and reliability.
Active Membrane Area: With an impressive 31.97 ft², this membrane is designed to maximize efficiency and significantly enhance output for your needs.
Average Permeated Flow: Offering a remarkable 800GPD, this membrane ensures consistent, reliable water processing capabilities, perfect for your commercial demands.
Stable Rejection Rate: Featuring a consistently high 96%-97%, our membrane guarantees superior water quality with each use, setting a new standard in water purification.
Function: Efficiently removing COD, BOD, and NH-N, this membrane significantly enhances overall water purity, delivering pristine results every time.
Home RO membrane options available: Choose from our 75GPD, 100GPD, 150GPD, and 200GPD variants to meet your individual household needs.
Commercial RO membrane ranges include: Explore our 300GPD, 400GPD, 600GPD, and 800GPD options to cater to diverse commercial demands with precision.
Industrial membrane models offered: Our models 2521, 2540, 4021, 4040, and 8040 are expertly designed to address an array of industrial needs.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted for municipal, tap, and well water applications. They deliver outstanding desalination treatment, widely utilized in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond, ensuring high-quality water wherever it's needed.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring reliable operations and delivering ultimate satisfaction and peace of mind.
2. Enjoy the benefits of low operating pressure combined with superior cost-effectiveness, optimizing your investment and maximizing return.



SAND.K is ardently committed to advancing water environmental technology. By harnessing a global supply chain system, we spearhead transformative innovations across the industry, keeping us at the forefront of water technology advancements. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our steadfast dedication extends across borders through e-commerce, serving global customers in emerging markets with unparalleled service and dedication.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, allowing us to deliver cutting-edge solutions that meet the most demanding requirements. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting the standard for excellence in water treatment solutions and ensuring optimal outcomes.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving innovation forward and paving the way for sustainable water management. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits that redefine excellence.

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. |