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 unmatched performance in Commercial Use.
Application: Designed with precision for high TDS film membrane applications, delivering unrivaled results.
Active Membrane Area: Featuring an expansive 31.97 ft², crafted to optimize efficiency and boost output.
Average Permeated Flow: A remarkable 800GPD, providing reliable and consistent water processing.
Stable Rejection Rate: Maintains an impressive 96%-97%, ensuring exceptional water quality consistently.
Function: Effectively removing COD, BOD, and NH-N, greatly enhancing the purity of water.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, and 200GPD variants for tailored solutions.
Commercial RO membrane ranges include: 300GPD, 400GPD, 600GPD, and 800GPD, catering to varied commercial needs.
Industrial membrane models offered: 2521, 2540, 4021, 4040, and 8040, meeting diverse industrial demands.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are finely crafted for municipal, tap, and well water applications. They offer superb desalination treatment, ideal for high-end bottled water production, direct drinking solutions, food processing, pharmaceutical production, and more.
Product Advantages
1. Experience exceptional large traffic and high stability, ensuring dependable operations and supreme satisfaction.
2. Benefit from low operating pressure and excellent cost-effectiveness, maximizing your investment's value.






SAND.K is passionately devoted to pioneering water environmental technology, utilizing a global supply chain to lead transformative innovations in the industry. We offer all-encompassing, one-stop solutions for core components, expertly designed for small to medium-sized equipment manufacturers. Our unwavering commitment reaches across borders through e-commerce, serving global customers in emerging markets with unparalleled dedication.
Our independent R&D, combined with strong manufacturing capabilities, cements our position as industry leaders. By harnessing extensive data analysis, we create custom solutions for areas 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 innovation in treated wastewater reuse, driving progress forward. Additionally, our competitive cost advantage distinguishes us in the industry, providing unrivaled 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. |