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 and meticulously crafted for peak efficiency in Commercial Use, ensuring seamless integration in diverse industrial environments.
Application: Masterfully designed for high TDS film membrane applications, the HJC BW RO Membrane delivers exceptional performance and reliability, setting new benchmarks in water treatment technology.
Active Membrane Area: With a remarkable 31.97 ft², this membrane is tailored to maximize efficiency and boost output, offering top-tier performance for all your water purification needs.
Average Permeated Flow: Enjoy a remarkable 800GPD, ensuring consistent, reliable, and efficient water processing capabilities, making it a cornerstone in your water treatment solution.
Stable Rejection Rate: Achieving a consistently high 96%-97% rejection rate, this membrane promises superior water quality, maintaining high standards with each use.
Function: Expertly engineered to efficiently remove COD, BOD, and NH-N, this high-performing membrane dramatically enhances overall water purity, delivering pristine results.
Home RO membrane options available: Tailor your water purification system with personalized solutions, choosing from 75GPD, 100GPD, 150GPD, and 200GPD variants to perfectly suit your needs.
Commercial RO membrane ranges include: Meet diverse commercial demands with our robust selection of membranes, available in 300GPD, 400GPD, 600GPD, and 800GPD, each offering exceptional performance.
Industrial membrane models offered: Choose from our extensive range of models - 2521, 2540, 4021, 4040, and 8040, designed to address a wide scope of industrial needs with precision and reliability.
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, widely utilized 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 with our product, ensuring reliable operations and ultimate satisfaction, making it a preferred choice among industry leaders.
2. Enjoy the benefits of low operating pressure combined with superior cost-effectiveness, providing an optimized investment that enhances your operational efficiency.



SAND.K is passionately devoted to advancing water environmental technology, leveraging a global supply chain system to drive transformative innovation across the industry, making us a leader in water treatment solutions. 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 strong manufacturing capabilities, firmly establishes us as industry leaders, ensuring our solutions are at the forefront of innovation and technology. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting new standards for excellence in water treatment solutions, ensuring unmatched performance and reliability.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving forward innovation and ecological balance. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits, ensuring you receive the best return on your investment.

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. |