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 optimized commercial realms, ensuring peak performance.
Application: Masterfully crafted for high Total Dissolved Solids (TDS) film membrane applications, delivering unmatched performance with precision.
Active Membrane Area: Featuring an impressive surface area of 31.97 square feet, skillfully designed to amplify efficiency and optimize output.
Average Permeated Flow: Boasts a robust throughput of 800 gallons per day, guaranteeing consistent and dependable water processing capabilities.
Stable Rejection Rate: Maintains a consistently high rejection rate of 96%-97%, ensuring superior water quality with unwavering reliability.
Function: Precisely removing Chemical Oxygen Demand (COD), Biochemical Oxygen Demand (BOD), and NH-N, significantly enhancing water purity.
Home RO membrane options available: Choose from tailored solutions with 75GPD, 100GPD, 150GPD, and 200GPD variants for personalized applications.
Commercial RO membrane ranges include: Offering versatile solutions with 300GPD, 400GPD, 600GPD, and 800GPD to meet a spectrum of commercial needs.
Industrial membrane models offered: Available in 2521, 2540, 4021, 4040, and 8040 models, catering to an extensive range of industrial applications.
Commercial Reverse Osmosis Element Main Application Areas
Our commercial reverse osmosis membrane components are meticulously crafted for municipal, tap, and well water applications. They excel in desalination treatment, making them an ideal choice for premium bottled water production, direct drinking water, food processing, pharmaceutical manufacturing, and much more.
Product advantages
1. Revel in exceptional high capacity and stability, ensuring consistently reliable operations and ultimate satisfaction.
2. Benefit from low operating pressure and exceptional cost-effectiveness, maximizing your investment returns.




SAND.K is passionately committed to advancing water environmental technology, leveraging a global supply chain to drive transformative innovation across the industry with a pioneering spirit. We provide comprehensive, one-stop solutions for core components, meticulously tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends globally through e-commerce, serving customers across emerging markets with unparalleled commitment.
Our independent R&D, coupled with strong manufacturing capabilities, solidifies our reputation as industry leaders. By utilizing extensive data analysis, we craft bespoke solutions for regions battling high salinity water challenges, setting new benchmarks for excellence in water treatment solutions.
Our innovative solutions extend to seawater desalination, waste leachate treatment, drinking water purification, and pioneering the reuse of treated wastewater, driving forward-thinking innovation. Moreover, our cost advantage distinguishes us in the industry, offering 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. |