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 with precision for flawless Commercial Use.
Application: Expertly crafted for high TDS film membrane applications, delivering unmatched performance in the field.
Active Membrane Area: With an expansive 31.97 ft², it is designed to maximize operational efficiency and significantly enhance productivity.
Average Permeated Flow: An impressive 800GPD, ensuring reliable and consistent water processing capabilities for diverse applications.
Stable Rejection Rate: A remarkably high consistency of 96%-97%, promising superior water quality with every application.
Function: Expertly removing COD, BOD, and NH-N, it significantly elevates overall water purity and quality.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants to tailor your personal solutions.
Commercial RO membrane ranges: 300GPD, 400GPD, 600GPD, and 800GPD options meet a host of diverse commercial needs and demands.
Industrial membrane models offered: Models 2521, 2540, 4021, 4040, and 8040 cater to a broad spectrum of industrial requirements and needs.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are expertly designed for municipal water, tap water, and well water applications. They offer exceptional desalination treatment, making them ideal for premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Revel in remarkable large traffic and high stability, ensuring dependable operations and ultimate customer satisfaction.
2. Appreciate the advantages of low operating pressure alongside superior cost-effectiveness, optimizing your investment returns.




SAND.K is passionately committed to advancing water environmental technology, leveraging a comprehensive global supply chain system to lead transformative innovation within the industry. We deliver comprehensive, one-stop solutions for core components, precisely tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends internationally through e-commerce, serving global customers in emerging markets with exceptional dedication.
Our independent research and development, coupled with strong manufacturing capabilities, firmly establish our standing as industry leaders. By harnessing extensive data analysis, we develop custom solutions for regions tackling high salinity water challenges, setting the benchmark for excellence in water treatment solutions.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, propelling innovation forward. Moreover, our competitive cost advantage distinctly sets us apart in the industry, offering unprecedented 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. |