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: Our expertly engineered membranes are tailored for optimal commercial use. Ideal for businesses that prioritize efficiency and reliability, they revolutionize water treatment processes.
Application: Masterfully crafted for high TDS film membrane applications, this product promises unmatched performance, delivering the highest quality outcomes in the most demanding environments.
Active Membrane Area: With a remarkable 31.97 ft², this membrane is engineered to maximize efficiency and boost output, ensuring exceptional water purification results every time.
Average Permeated Flow: Offering an outstanding 800GPD, it guarantees consistent and reliable water processing, effortlessly meeting the demands of high-volume applications.
Stable Rejection Rate: With a robust 96%-97% rate, this membrane ensures superior water quality, raising the bar for performance and dependability.
Function: Efficiently removing COD, BOD, and NH-N, it significantly enhances water purity, positioning itself as an indispensable component for achieving superior water treatment standards.
Home RO membrane options available: Choose from 75GPD, 100GPD, 150GPD, and 200GPD variants for bespoke solutions tailored to fulfill individual household requirements.
Commercial RO membrane ranges include: Available in 300GPD, 400GPD, 600GPD, and 800GPD to cater to diverse commercial demands, offering customizable solutions for various business scales.
Industrial membrane models offered: Models 2521, 2540, 4021, 4040, and 8040 are available to meet an extensive range of industrial needs with precision and efficiency.
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 desalination treatment and are widely used in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond, ensuring optimal performance across multiple sectors.
Product advantages
1. Experience exceptional large traffic and high stability, ensuring reliable operations and ultimate satisfaction. Our products are crafted for those who demand unparalleled performance and reliability.
2. Benefit from low operating pressure and superior cost-effectiveness, optimizing your investment and ensuring a sustainable approach to water treatment solutions.




SAND.K is passionately devoted to advancing the frontier of water environmental technology by utilizing a global supply chain system. We are at the forefront of pioneering transformative innovation, committed to leading the industry with sustainable, state-of-the-art solutions for water treatment. We deliver comprehensive, all-encompassing solutions for core components, meticulously crafted for small to medium-sized equipment manufacturers. Our unwavering dedication transcends borders via e-commerce, providing emerging market customers worldwide with unmatched dedication and groundbreaking products.
Our independent research and development, coupled with our robust manufacturing capabilities, affirm our status as industry leaders. We are at the vanguard of creating revolutionary solutions that expand the horizons of water treatment technology. Through leveraging extensive data analysis, we design custom solutions tailored to regions grappling with high salinity water challenges. We set the benchmark for excellence in water treatment solutions, ensuring the utmost levels of customer satisfaction.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the innovative reuse of treated wastewater. We propel innovation and set new standards in the industry. Furthermore, our competitive cost advantage distinguishes us in the industry, offering unrivaled value and strategic benefits that resonate with our global clientele.

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. |