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 commercial operations, delivering unmatched performance and reliability for optimal use.
Application: Crafted to perfection for high TDS film membrane applications, ensuring unmatched efficiency and superior performance.
Active Membrane Area: With an awe-inspiring 31.97 ft², this design is tailored to boost efficiency and elevate output to new heights.
Average Permeated Flow: A remarkable 800GPD guarantees consistent and reliable water processing, enhancing your operational capabilities.
Stable Rejection Rate: Maintains an impressive 96%-97%, ensuring superior water quality with each use, setting a standard of excellence.
Function: Masterfully removing COD, BOD, and NH-N to substantially enhance water purity, ensuring the highest standards of cleanliness.
Home RO membrane options available: Personalize your experience with variants of 75GPD, 100GPD, 150GPD, and 200GPD, tailored to your needs.
Commercial RO membrane ranges include: Choose from 300GPD, 400GPD, 600GPD, and 800GPD to meet diverse and demanding commercial requirements.
Industrial membrane models offered: Select from 2521, 2540, 4021, 4040, and 8040, catering to extensive industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are intricately designed for municipal water, tap water, and well water applications. They excel in desalination treatment, making them indispensable in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Revel in extraordinary large traffic and unwavering stability, ensuring dependable operations and ultimate satisfaction beyond expectations.
2. Benefit from low operating pressure and exceptional cost-effectiveness, optimizing your investment with superior economic advantages.



SAND.K is passionately committed to pushing the boundaries of water environmental technology. We leverage a global supply chain to drive transformative innovation across the industry. We deliver comprehensive, one-stop solutions for core components, expertly crafted for small to medium-sized equipment manufacturers. Our unwavering dedication transcends borders through e-commerce, serving global customers in emerging markets with unmatched commitment.
Our independent R&D, combined with strong manufacturing prowess, solidifies our position as industry frontrunners. By capitalizing on extensive data analysis, we create tailored solutions for areas grappling with high salinity water issues, setting a benchmark for excellence in water treatment innovations.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and trailblazing the reuse of treated wastewater, driving forward relentless innovation. Additionally, our competitive cost advantage distinguishes us within the industry, offering 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. |