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: Ingeniously designed to serve optimal commercial purposes, ensuring peak performance.
Application: Expertly tailored for high TDS film membrane applications, delivering unmatched and exceptional performance.
Active Membrane Area: A remarkable 31.97 ft², engineered to maximize efficiency and boost output.
Average Permeated Flow: An impressive 800GPD, ensuring consistent, dependable water processing capabilities.
Stable Rejection Rate: An unwaveringly high 96%-97%, delivering superior water quality at every usage.
Function: Effectively purges COD, BOD, and NH-N, dramatically enhancing overall water purity levels.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants to tailor to your needs.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, catering to a spectrum of commercial requirements.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, serving a broad array of industrial applications.
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. These elements deliver outstanding desalination treatment, seamlessly utilized in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Experience exceptional large traffic and high stability, ensuring reliable operations and ultimate satisfaction.
2. Benefit from low operating pressure and superior cost-effectiveness, maximizing the return on your investment.




SAND.K is passionately dedicated to advancing water environmental technology, leveraging a global supply chain system to drive transformative innovation throughout the industry. We offer comprehensive, one-stop solutions for core components, expertly tailored to small and medium-sized equipment manufacturers. Our unwavering dedication extends beyond borders through e-commerce, delivering unparalleled service to global customers in emerging markets.
Our independent R&D, along with strong manufacturing capabilities, firmly establishes us as leaders in the industry. Employing extensive data analysis, we craft custom solutions for regions grappling with high salinity water challenges, setting the benchmark for excellence in water treatment solutions.
Our innovative 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 distinguishes us in the industry, providing unmatched 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. |