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 excel in a wide array of Commercial Use scenarios, ensuring optimal functionality and performance.
Application: Masterfully crafted to tackle high TDS film membrane applications, delivering unmatched performance and reliability.
Active Membrane Area: With an expansive 31.97 ft², our design is focused on maximizing efficiency and boosting output, setting new standards in performance.
Average Permeated Flow: Achieving an impressive 800GPD, our system provides consistent and dependable water processing capabilities every time.
Stable Rejection Rate: Maintaining a high and stable 96%-97%, we ensure superior water quality with every operation, meeting your most stringent requirements.
Function: Effectively removes COD, BOD, and NH-N, substantially enhancing overall water purity, making a tangible difference in water quality.
Home RO membrane options available: Tailor your water solutions with our 75GPD, 100GPD, 150GPD, and 200GPD variants, designed to meet your specific needs.
Commercial RO membrane ranges include: Choose from our 300GPD, 400GPD, 600GPD, and 800GPD options to satisfy a broad range of commercial demands.
Industrial membrane models offered: Our selection of 2521, 2540, 4021, 4040, and 8040 models address an extensive array of industrial requirements and applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously engineered for municipal, tap, and well water applications. They provide outstanding desalination treatment, finding extensive use in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Enjoy exceptional large traffic and high stability, ensuring reliable operations and delivering ultimate satisfaction with every use.
2. Benefit from low operating pressure combined with superior cost-effectiveness, ensuring your investment is optimized for the best returns.




SAND.K is passionately dedicated to advancing water environmental technology. We leverage a global supply chain system to drive transformative innovation, setting new standards across the industry. We offer comprehensive, one-stop solutions for core components, expertly designed for small to medium-sized equipment manufacturers. Our unwavering commitment extends globally through e-commerce, serving customers in emerging markets with unparalleled dedication.
Our independent research and development, coupled with robust manufacturing capabilities, reinforce our leadership as industry pioneers. Through extensive data analysis, we develop custom solutions for regions challenged by high salinity water, 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. Our competitive cost advantage distinguishes us in the industry, offering unmatched value and strategic benefits to our partners.

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. |