Model |
Adapted Pressure(psi/Mpa/bar) |
Salt Rejection(%) |
Flow Rate(GPD/m/d) |
Effective Membrane(ft²/m²) |
Boron Rejection(%) |
Size(inch) |
SW4021-LE |
800/5.52/55.2 |
99.5 |
640/2.4 |
33/3.1 |
|
4.0*21 |
SW2521-LE |
240/0.9 |
12/1.1 |
2.5*21 |
SW2540-LE |
540/2.0 |
28/2.6 |
2.5*40 |
SW4021-HR |
99.6 |
540/2.0 |
33/3.1 |
4.0*21 |
SW2521-HR |
190/0.72 |
12/1.1 |
2.5*21 |
SW2540-HR |
450/1.7 |
28/2.6 |
2.5*40 |
SW4021-HRLE |
99.6 |
640/2.4 |
33/3.1 |
4.0*21 |
SW2521-HRLE |
240/0.9 |
12/1.1 |
2.5*21 |
SW2540-HRLE |
540/2.0 |
28/2.6 |
2.5*40 |
SW4040-HR |
99.7 |
1180/4.5 |
82/7.6 |
4.0*40 |
SW8040-HR |
99.8 |
6900/26 |
400/37 |
92 |
8.0*40 |
SW8040-HRP |
7500/28 |
440/41 |
8.0*40 |
SW4040-HRLE |
99.7 |
1450/5.5 |
82/7.6 |
|
4.0*40 |
SW8040-HRLE |
99.8 |
7500/28 |
400/37 |
92 |
8.0*40 |
SW8040-HRLEP |
8200/31 |
440/41 |
8.0*40 |
SW8040-HRFR |
99.8 |
6000/23 |
400/37 |
8.0*40 |
SW4040-XHR |
99.75 |
1180/4.5 |
82/7.6 |
|
4.0*40 |
SW8040-XHR |
99.82 |
6000/23 |
400/37 |
92 |
8.0*40 |
SW8040-XHRP |
6600/25 |
440/41 |
8.0*40 |
Versatile Applications
Applicable Industries: Expertly engineered to meet the demanding needs of Commercial Use, ensuring optimal performance across various scenarios.
Application: Meticulously crafted for high TDS film membrane applications, providing unrivaled performance and reliability.
Active Membrane Area: With a remarkable 31.97 ft², this design is tailored to maximize efficiency and significantly enhance output.
Average Permeated Flow: Offering an exceptional 800GPD, our membrane ensures consistent, dependable water processing capabilities for peace of mind.
Stable Rejection Rate: Delivering a high rejection rate of 96%-97%, guaranteeing superior water quality with each use, ensuring every drop is pure perfection.
Function: Efficiently removes COD, BOD, and NH-N, significantly elevating the overall water purity and contributing to cleaner, safer water.
Home RO membrane options available: Select from a range of 75GPD, 100GPD, 150GPD, and 200GPD variants to customize to your needs, offering personalized solutions.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, crafted to meet diverse commercial demands with precision and efficiency.
Industrial membrane models offered: Choose from models 2521, 2540, 4021, 4040, and 8040 to address a comprehensive spectrum of industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously engineered 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 beyond.
Product advantages
1. Experience extraordinary large traffic and high stability, guaranteeing reliable operations and ultimate satisfaction every time.
2. Benefit from low operating pressure and outstanding cost-effectiveness, maximizing your investment with smart, efficient solutions.






SAND.K is passionately committed to advancing water environmental technology. By leveraging a global supply chain system, we lead transformative innovation across the industry, setting benchmarks for excellence. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering commitment transcends borders through e-commerce, serving global customers in emerging markets with unmatched dedication.
Our independent R&D, combined with robust manufacturing capabilities, solidifies our standing as industry leaders, driving innovation and quality. By harnessing extensive data analysis, we craft bespoke solutions for regions facing high salinity water challenges, setting the standard for excellence in water treatment solutions.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and the pioneering reuse of treated wastewater, driving innovation and progress. Moreover, our competitive cost advantage distinguishes us in the industry, offering unparalleled value and strategic benefits for our clients.

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. |