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 engineered for unparalleled Commercial Use, our product stands out in delivering exceptional performance even in the most demanding environments.
Application: Meticulously crafted for high TDS film membrane applications, ensuring unmatched performance and reliability.
Active Membrane Area: With an impressive 31.97 ft², it is designed to optimize efficiency, boosting productivity and performance to new heights.
Average Permeated Flow: Delivering a remarkable 800GPD, it ensures steady and dependable water processing capabilities, every time.
Stable Rejection Rate: Consistently achieving a high 96%-97%, it guarantees superior water quality with each use, reinforcing trust in every drop.
Function: Effectively removes COD, BOD, and NH-N, significantly enhancing water purity and elevating the standard of cleanliness.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants to perfectly tailor your water purification needs.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, catering to a diverse array of commercial water treatment demands.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, meticulously designed to meet a broad spectrum of industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously designed for municipal water, tap water, and well water treatment. They provide exceptional desalination performance, making them ideal for high-end bottled water production, direct consumption water solutions, food processing, pharmaceutical manufacturing, and more.
Product Advantages
1. Experience exceptional large traffic and high stability, ensuring dependable operations and maximum satisfaction.
2. Benefit from low operating pressure and superior cost-effectiveness, ensuring your investments are optimized for the best returns.




SAND.K is passionately dedicated to advancing water environmental technology, utilizing a comprehensive global supply chain system to drive groundbreaking innovation within the industry. We offer comprehensive, all-in-one solutions for core components, expertly customized for small to medium-sized equipment manufacturers. Our unwavering commitment reaches across borders through e-commerce, serving global customers in emerging markets with unmatched dedication.
Our independent R&D and robust manufacturing capabilities solidify our position as industry leaders. By leveraging extensive data analysis, we craft tailored solutions for regions grappling with high salinity water challenges, setting the benchmark for excellence in water treatment solutions.
Our versatile solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, propelling innovation to new frontiers. Furthermore, our competitive cost advantage distinguishes us in the industry, delivering 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. |