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: Skillfully engineered for optimal Commercial Use, our product seamlessly integrates into various industry settings, promising remarkable performance and unmatched reliability.
Application: Masterfully crafted for high TDS film membrane applications, our product delivers unparalleled performance, ensuring superior results in every use.
Active Membrane Area: Our design boasts an impressive 31.97 ft² of active membrane area, meticulously crafted to maximize efficiency and significantly enhance output, setting new standards in productivity.
Average Permeated Flow: With a stellar average of 800GPD, our product ensures consistent and reliable water processing capabilities, securing a steady flow of pure water for all your needs.
Stable Rejection Rate: With a consistently high rejection rate of 96%-97%, our product guarantees superior water quality with every use, delivering excellence you can trust.
Function: Our advanced system efficiently removes COD, BOD, and NH-N, significantly enhancing overall water purity and ensuring optimal performance for pristine water results.
Home RO membrane options available: Tailor your water solutions with our range of Home RO membranes, offering 75GPD, 100GPD, 150GPD, and 200GPD variants for personalized experiences.
Commercial RO membrane ranges include: Our Commercial RO membrane offerings are designed to meet diverse commercial demands, available in 300GPD, 400GPD, 600GPD, and 800GPD options.
Industrial membrane models offered: Our comprehensive range of industrial membrane models, including 2521, 2540, 4021, 4040, and 8040, addresses a wide spectrum of industrial needs with precision.
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 provide outstanding desalination treatment, extensively used in premium bottled water production, direct drinking solutions, food processing, pharmaceutical manufacturing, and more, showcasing their versatility and high efficiency.
Product advantages
1. Experience exceptional large traffic and high stability, ensuring reliable operations and ultimate satisfaction with every use.
2. Take advantage of low operating pressure and superior cost-effectiveness, optimizing your investment for maximum returns.




SAND.K is passionately committed to advancing water environmental technology, harnessing a global supply chain system to drive transformative innovation across the industry, setting the bar for excellence. We provide comprehensive, one-stop solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our steadfast dedication extends globally through e-commerce, serving customers in emerging markets with unparalleled dedication and quality.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our standing as industry leaders, pioneering advancements and leading the charge in water treatment excellence. By leveraging extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, setting the standard for excellence and innovation in water treatment solutions.
Our dynamic solutions span seawater desalination, waste leachate treatment, drinking water purification, and innovative reuse of treated wastewater, propelling innovation and sustainability forward. Moreover, our competitive cost advantage sets us apart in the industry, offering unmatched value and strategic benefits, ensuring our position as leaders in the market.

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. |