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 to excel in Commercial Use, providing unmatched reliability and efficiency.
Application: Masterfully designed for high TDS film membrane applications, this product guarantees revolutionary performance and superior outcomes.
Active Membrane Area: With an impressive 31.97 ft², this membrane is crafted to maximize efficiency and enhance your output like never before.
Average Permeated Flow: Delivering an outstanding 800GPD, ensuring your water processing capabilities remain consistent and dependable at all times.
Stable Rejection Rate: With a consistently high rate of 96%-97%, it guarantees exceptional water quality with each use, reflecting ultimate excellence.
Function: Effortlessly removes COD, BOD, and NH-N, significantly elevating water purity to new heights of clarity and perfection.
Home RO membrane options available: Select from 75GPD, 100GPD, 150GPD, or 200GPD variants to achieve personalized water purification solutions.
Commercial RO membrane ranges include: Choose from 300GPD, 400GPD, 600GPD, and 800GPD to address a spectrum of commercial water treatment needs.
Industrial membrane models offered: Our range includes models 2521, 2540, 4021, 4040, and 8040, catering to extensive industrial requirements.
Commercial Reverse Osmosis Element Main Application Areas
Our meticulously crafted commercial reverse osmosis membranes deliver exceptional desalination treatment for municipal, tap, and well water. They are essential in premium bottled water production, direct drinking water solutions, food processing, pharmaceutical manufacturing, and beyond.
Product advantages
1. Experience exceptional large flow capacity and high stability, ensuring seamless operations and complete satisfaction.
2. Benefit from low operating pressures and outstanding cost-effectiveness, optimizing your investment like never before.






SAND.K is passionately dedicated to advancing water environmental technology. We harness a global supply chain to lead transformative innovations that redefine the industry. We offer comprehensive, one-stop solutions specifically tailored for small to medium-sized equipment manufacturers. Our unwavering dedication extends globally through e-commerce, providing unmatched service to emerging markets.
With independent R&D and robust manufacturing capabilities, we cement our status as leaders in the industry. By utilizing extensive data analysis, we create custom solutions for regions facing high salinity water challenges, setting a new standard of excellence in water treatment.
Our dynamic solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and innovative wastewater reuse, driving forward the future of water technology. Our competitive cost advantage distinguishes us in the industry, offering unmatched value and strategic benefits to our partners.

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. |