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: Meticulously engineered for supreme Commercial Use, ensuring optimal performance and efficiency.
Application: Expertly crafted for high TDS film membrane applications, providing exceptional performance that is unparalleled in the industry.
Active Membrane Area: Featuring an impressive 31.97 ft², this membrane is designed to maximize efficiency, significantly enhancing output and productivity.
Average Permeated Flow: With a remarkable 800GPD, this product guarantees consistent and reliable water processing capabilities, delivering peace of mind with every use.
Stable Rejection Rate: Achieving a consistently high 96%-97%, this membrane ensures superior water quality with each operation, setting new benchmarks in water purification.
Function: Efficiently removing COD, BOD, and NH-N, this product significantly enhances overall water purity, offering unparalleled purification efficiency.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants to cater to personalized needs, providing tailored solutions for every home.
Commercial RO membrane ranges include: Available in 300GPD, 400GPD, 600GPD, and 800GPD, these variants meet a wide array of commercial demands, ensuring versatility and adaptability.
Industrial membrane models offered: Choose from 2521, 2540, 4021, 4040, and 8040, designed to address the varying demands of industrial applications, offering comprehensive solutions.
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 excel in outstanding desalination treatment, finding extensive use 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 reliable operations that culminate in ultimate user satisfaction.
2. Benefit from low operating pressure and superior cost-effectiveness, optimizing your investment while maintaining quality.




SAND.K is passionately committed to advancing water environmental technology, utilizing a global supply chain system to lead transformative innovation across the industry. We deliver 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 emerging markets with unparalleled devotion.
Our independent R&D, coupled with robust manufacturing capabilities, affirms our position as industry leaders, consistently pushing the boundaries of innovation. By harnessing extensive data analysis, we craft custom solutions for regions facing high salinity water challenges, 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, driving innovation forward with unmatched vigor. Furthermore, our competitive cost advantage sets us apart, offering unmatched value and strategic benefits across the industry.

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. |