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 crafted and precisely engineered, our product is tailored for supreme efficiency in Commercial Use, ensuring optimal performance and satisfaction.
Application: Exquisitely designed for high TDS film membrane applications, our product delivers unmatched performance, setting the benchmark for excellence.
Active Membrane Area: With an outstanding 31.97 ft², our design maximizes efficiency, significantly boosting output and driving superior results.
Average Permeated Flow: Experience a remarkable 800GPD flow rate, assuring consistent and dependable water processing capabilities, enhancing every operation.
Stable Rejection Rate: Maintain a consistently high rejection rate of 96%-97%, assuring superior water quality and reliability with every use.
Function: Our product efficiently removes COD, BOD, and NH-N, elevating water purity and quality to new heights.
Home RO membrane options available: Tailor your water solutions with our 75GPD, 100GPD, 150GPD, and 200GPD variants, providing personalized solutions for every need.
Commercial RO membrane ranges include: Choose from 300GPD, 400GPD, 600GPD, and 800GPD to fulfill a wide range of commercial demands, offering versatility and precision.
Industrial membrane models offered: Our portfolio includes 2521, 2540, 4021, 4040, and 8040 models, designed to meet the diverse and demanding requirements of industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously engineered for use in municipal water, tap water, and well water applications. They deliver exceptional desalination treatment and are widely used in the production of premium bottled water, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond, ensuring top-notch performance and reliability.
Product advantages
1. Revel in exceptional large traffic capabilities and high stability, providing reliable operations and complete customer satisfaction.
2. Benefit from low operating pressure and outstanding cost-effectiveness, optimizing your investment and enhancing efficiency.




SAND.K is passionately committed to advancing water environmental technology. We harness a global supply chain system to lead transformative innovation in the industry, setting new standards for excellence. We provide comprehensive, one-stop solutions for core components, perfectly tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends globally through e-commerce, serving customers in emerging markets with unparalleled commitment.
Our independent R&D, coupled with robust manufacturing capabilities, solidifies our status as industry leaders, continuously pushing the boundaries of innovation and quality. By leveraging extensive data analysis, we craft custom solutions for regions with high salinity water challenges, establishing the gold standard for excellence in water treatment solutions.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the pioneering reuse of treated wastewater, driving forward industry innovation. Moreover, our competitive cost advantage sets us apart, offering unmatched value and strategic benefits, ensuring our position as leaders in 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. |