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 designed to excel in various Commercial Uses, ensuring peak performance and adaptability in diverse settings.
Application: Masterfully engineered for high TDS film membrane applications, this product guarantees unparalleled performance, setting the benchmark for excellence in the industry.
Active Membrane Area: With an impressive 31.97 ft², this membrane is crafted to maximize efficiency and enhance output, delivering optimal results in every application.
Average Permeated Flow: Offering a remarkable 800GPD, it provides consistent and reliable water processing capabilities, ensuring smooth and efficient operations.
Stable Rejection Rate: Delivering a consistently high 96%-97% rejection rate, this product ensures superior water quality with every use, maintaining excellence in purification.
Function: Expertly removes COD, BOD, and NH-N, significantly enhancing overall water purity and delivering pristine water quality.
Home RO membrane options available: Tailor your solutions with customizable variants of 75GPD, 100GPD, 150GPD, and 200GPD for personalized home applications.
Commercial RO membrane ranges include: Meet diverse commercial demands with our comprehensive 300GPD, 400GPD, 600GPD, and 800GPD options, designed for optimal performance.
Industrial membrane models offered: Our range includes 2521, 2540, 4021, 4040, and 8040 models, catering to a wide spectrum of industrial needs with precision.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously crafted commercial reverse osmosis membrane components are ideal for municipal water, tap water, and well water applications. They deliver outstanding desalination treatment, making them the go-to choice for premium bottled water production, direct drinking water solutions, food processing, and pharmaceutical manufacturing, among other uses.
Product advantages
1. Revel in the exceptional benefits of large traffic capacity and high stability, ensuring reliable operations that guarantee ultimate satisfaction and operational success.
2. Benefit from low operating pressure and superior cost-effectiveness, optimizing your investment while delivering outstanding performance.






SAND.K is passionately dedicated to advancing water environmental technology. Utilizing a global supply chain system, we spearhead transformative innovation across the industry, leading the charge in water treatment advancements. We deliver comprehensive, one-stop solutions for core components, expertly crafted for small to medium-sized equipment manufacturers. Our unwavering dedication extends across borders through e-commerce, reaching global customers in emerging markets with unparalleled service.
Our independent research and development, along with robust manufacturing capabilities, firmly establish us as industry leaders, setting the benchmark for excellence. By utilizing extensive data analysis, we create custom solutions for areas facing high salinity water challenges, establishing ourselves as the standard 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, driving innovation and progress. Moreover, our competitive cost advantage distinguishes us in the industry, offering 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. |