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.
Application: Masterfully crafted for high TDS film membrane applications, delivering unparalleled performance that sets new standards.
Active Membrane Area: An impressive 31.97 ft² meticulously designed to maximize efficiency and enhance output, ensuring top-tier performance.
Average Permeated Flow: A stellar 800GPD, guaranteeing consistent and reliable water processing capabilities for your peace of mind.
Stable Rejection Rate: Consistently high at 96%-97%, ensuring superior water quality is delivered with every use.
Function: Expertly removing COD, BOD, and NH-N, significantly elevating overall water purity to meet rigorous standards.
Home RO membrane options: Available in 75GPD, 100GPD, 150GPD, and 200GPD variants, offering personalized solutions tailored to your needs.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, designed to meet diverse commercial demands with precision.
Industrial membrane models: Offered in 2521, 2540, 4021, 4040, and 8040, addressing a wide range of industrial needs with tailored solutions.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted to cater to municipal water, tap water, and well water applications. They deliver outstanding desalination treatment, making them indispensable 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 reliable operations and ultimate satisfaction with each use.
2. Experience the benefits of low operating pressure combined with superior cost-effectiveness, optimizing your investment for maximum returns.



SAND.K is passionately committed to advancing water environmental technology, leveraging a global supply chain system to drive 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 across borders through e-commerce, serving global customers in emerging markets with unparalleled commitment.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, empowering us to lead with confidence. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting a new standard for excellence in water treatment solutions.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, and drinking water purification, while pioneering the reuse of treated wastewater to drive innovation forward. Furthermore, our competitive cost advantage distinguishes us in the industry, offering unmatched value and strategic benefits that are second to none.

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. |