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 for unparalleled performance in commercial settings.
Application: Impeccably designed for high TDS film membrane scenarios, ensuring unparalleled operational excellence.
Active Membrane Area: Featuring a remarkable 31.97 ft² to significantly boost operational efficiency and throughput.
Average Permeated Flow: A remarkable 800GPD, consistently ensuring dependable water processing efficiency.
Stable Rejection Rate: A steadfastly high 96%-97%, consistently providing top-tier water quality.
Function: Robustly removes COD, BOD, and NH-N, substantially enhancing water purity to exceptional levels.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants for tailored water purification solutions.
Commercial RO membrane ranges include: Available in 300GPD, 400GPD, 600GPD, and 800GPD to meet varied commercial water processing needs.
Industrial membrane models offered: Choose from 2521, 2540, 4021, 4040, and 8040 to cater to a broad spectrum of industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are precisely engineered for applications in municipal, tap, and well water, offering outstanding desalination treatment. They are extensively utilized in premium bottled water production, direct drinking water systems, food processing, pharmaceutical manufacturing, and more.
Product advantages
1. Experience exceptional high capacity and unrivaled stability, ensuring dependable performance for ultimate satisfaction.
2. Benefit from low operating pressure and outstanding cost-effectiveness, maximizing your return on investment.






SAND.K is passionately dedicated to the advancement of water environmental technology, utilizing a global supply chain system to lead transformative innovation across the sector. We offer comprehensive, all-in-one solutions for core components, expertly tailored for small to medium-sized equipment manufacturers. Our unwavering commitment extends internationally through e-commerce, serving global customers in emerging markets with unmatched devotion.
Our independent research and development, combined with strong manufacturing capabilities, establish our position as industry leaders. By leveraging detailed data analysis, we create custom solutions for regions facing high salinity water challenges, setting new benchmarks for excellence in water treatment solutions.
Our innovative solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, propelling forward innovation. Furthermore, our competitive cost advantage distinguishes us in the industry, providing 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. |