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: Masterfully engineered to excel in various commercial settings, offering optimal performance across diverse applications.
Application: Skillfully crafted for high TDS film membrane uses, ensuring exceptional and unmatched performance efficiency.
Active Membrane Area: With an impressive 31.97 ft², this design maximizes efficiency and significantly boosts output, ensuring optimal results.
Average Permeated Flow: A remarkable 800GPD, providing steady, reliable, and highly efficient water processing capabilities.
Stable Rejection Rate: Achieving a consistently high 96%-97%, this membrane ensures superior water purity and quality with every use.
Function: Expertly removes COD, BOD, and NH-N, significantly enhancing overall water purity and quality.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants for personalized water solutions tailored to your needs.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, catering to a wide array of commercial requirements.
Industrial membrane models offered: Models 2521, 2540, 4021, 4040, and 8040 are available, addressing a comprehensive range of industrial demands.
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. They deliver outstanding desalination treatment, widely utilized in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Revel in exceptional large traffic and high stability, ensuring unparalleled operational reliability and ultimate user satisfaction.
2. Enjoy the benefits of low operating pressure, maximizing cost-effectiveness and optimizing your investment for superior returns.






SAND.K is passionately dedicated to advancing water environmental technology, leveraging a global supply chain to lead transformative innovation within the industry. We offer comprehensive, one-stop solutions for core components expertly tailored for small to medium-sized equipment manufacturers. Our unwavering commitment extends globally through e-commerce, delivering exceptional service to emerging markets.
Our independent R&D, combined with robust manufacturing capabilities, solidifies our reputation as industry leaders. By leveraging extensive data analysis, we create bespoke solutions for regions facing high salinity water challenges, setting new standards 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 differentiates us in the industry, offering unmatched 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. |