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 seamlessly cater to the demanding needs of Commercial Use, ensuring unmatched performance and reliability.
Application: Masterfully crafted to excel in high TDS film membrane applications, delivering performance that stands unrivaled in the industry.
Active Membrane Area: Featuring an expansive 31.97 ft², this design is crafted to supercharge efficiency and substantially boost output.
Average Permeated Flow: An impressive 800GPD, promising unwavering and reliable water processing capabilities for your every requirement.
Stable Rejection Rate: A remarkably consistent high rate of 96%-97%, ensuring the delivery of premium water quality consistently.
Function: Expertly eliminates COD, BOD, and NH-N, elevating the purity of water to exceptional standards.
Home RO membrane options available: Select from a range of 75GPD, 100GPD, 150GPD, and 200GPD variants to perfectly align with your personalized water solution needs.
Commercial RO membrane ranges include: Choose from robust options like 300GPD, 400GPD, 600GPD, and 800GPD variants, meticulously designed to meet the diverse demands of commercial enterprises.
Industrial membrane models offered: Selections include 2521, 2540, 4021, 4040, and 8040 models, adeptly addressing a vast array of industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously crafted commercial reverse osmosis membrane components are ideal for municipal, tap, and well water processing. They excel in desalination, making them perfect for premium bottled water production, direct drinking water systems, food processing, and pharmaceutical manufacturing, among other advanced applications.
Product advantages
1. Experience extraordinary large traffic and unparalleled stability, ensuring operations remain reliable and satisfaction is always guaranteed.
2. Benefit from low operating pressure and exceptional cost-effectiveness, ensuring your investment is optimally utilized.



SAND.K is passionately dedicated to advancing water environmental technology. Leveraging our extensive global supply chain system, we lead transformative innovation across the industry, setting benchmarks for excellence. We offer all-encompassing, one-stop solutions for core components, expertly tailored to meet the needs of small to medium-sized equipment manufacturers. Our commitment goes beyond borders through e-commerce, serving global customers in emerging markets with unparalleled dedication and expertise.
Our independent research and development, combined with robust manufacturing capabilities, cement our reputation as leaders in the industry. Through comprehensive data analysis, we deliver custom solutions to regions grappling with high salinity water challenges, setting the bar for excellence in water treatment solutions.
Our innovative solutions cover seawater desalination, waste leachate treatment, drinking water purification, and the pioneering reuse of treated wastewater, propelling industry innovation forward. Moreover, our strategic cost advantage distinguishes us in the industry, offering unparalleled value, efficiency, 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. |