PSI MEMBRANE® Pro-SW-HR Seawater RO MembraneIncorporatedwith groundbreaking Thin Film Nanocomposite (TFN) technology, effectively reduces the cost of desalination while ensuring unparalleled water quality. Experience unmatched salt rejection, making it ideal for high salinity seawater applications.
- Achieve 30% More Flow:TFN leading-edge technology enables a 30% higher flow rate compared to standard TFC membranes.
- High Rejection Rate of 99.85%:TFN's advanced surface technology guarantees superior salt-rejection even at lower pressures.
- Reduced Cleaning Frequency:The outstanding anti-fouling properties of the TFN membrane significantly minimize microbial and inorganic pollutants, resulting in less frequent cleaning.
- Broad Cleaning pH Range (1-13):Offers superior cleaning efficacy, resilience, and longevity thanks to its expansive cleaning pH range and exceptional chemical resistance.
Product |
Effective Membrane area
ft² (m²) |
Feed spacer thickness (mil) |
Product Flow Rate ¹
²g p d( m ³/d) |
Stable Salt Rejection¹
(%) |
Minimum Salt Rejection¹
(%) |
Pro-SW-HR-2521F34 |
13(1.2) |
34 |
300(1.1) |
99.85 |
99.7 |
Pro-SW-HR-2540F34 |
28(2.6) |
34 |
700(2.7) |
99.85 |
99.7 |
Pro-SW-HR-4021F34 |
33(3.1) |
34 |
800(3.0) |
99.85 |
99.7 |
Pro-SW-HR-4040F34 |
90(8.4) |
34 |
2300(8.7) |
99.85 |
99.7 |
Pro-SW-HR-8040F32 |
400(37) |
32 |
9000(34) |
99.85 |
99.7 |
Pro-SW-HR-8040F28 |
440(40) |
28 |
11000(41.5) |
99.85 |
99.7 |
Pro-SW-HF-8040F28 |
400(37) |
28 |
12000(45.9) |
99.80 |
99.7 |
1. The product's flow rate and salt rejection rate have been meticulously determined under the following precise test conditions:
Pro-SW-HR: Conduct tests with a feed water concentration of 32,000 ppm as NaCl, under a feed water pressure of 800 psi (5.5 MPa), and maintain a consistent feed water temperature of 77°F (25°C). Each single membrane achieves a remarkable recovery rate of 8%.
Pro-SW-HF: Conduct tests with a feed water concentration of 20,000 ppm as NaCl, under a feed water pressure of 800 psi (5.5 MPa), and maintain a consistent feed water temperature of 77°F (25°C). Each single membrane boasts an impressive recovery rate of 15%.
2. The variation range of the product flow is +/- 20%, ensuring flexibility for diverse applications.
3. The F34 model features a fiberglass-wrapped case with an impeccable mesh thickness of 34 mil. For additional customization, we offer an extensive selection of case types, mesh, and membrane elements to suit your specific needs.
Operating Conditions:
Operating Limits |
Unit |
Value |
Maximum operatingpressure |
psi(bar) |
1200(83)b |
Maximumfeed water temperature |
°F(°C) |
113(45)a |
Maximum pressure drop |
bar |
1 |
ContinuousoperationpH range |
|
2~11c |
Cleaning PH range |
|
1~13 |
Maximum feed watere SDl15 |
|
5 |
Maximum influent turbidity |
ntu |
1 |
Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
a. The maximum operating temperature is intricately linked to both the operating pressure and pH level, providing flexibility and reliability.
b. The maximum operating pressure depends on the temperature and pH of the inlet water. If the inlet water temperature exceeds 35°C and/or the inlet water pressure exceeds 69 bar, please reach out to your account manager for tailored advice.
c. The pH limit for continuous operation is associated with the inlet water temperature and operating pressure, ensuring optimal performance.
SIZE: mm
Model |
A |
B |
C |
Pro-SW-HR-2521F34 |
533 |
61 |
19 |
Pro-SW-HR-2540F34 |
1016 |
61 |
19 |
Pro-SW-HR-4021F34 |
533 |
100 |
19 |
Pro-SW-HR-4040F34 |
1016 |
100.3 |
19.1 |
Pro-SW-HR-8040F32 |
1016 |
200 |
28.6 |
Pro-SW-HR-8040F28 |
1016 |
200 |
28.6 |
Pro-SW-HF-8040F28 |
1016 |
200 |
28.6 |
Flux Comparison: Experience superior performance with our super smooth surface and ultra-hydrophilic properties, optimizing efficiency and effectiveness.


Our Proshare Durable Seawater RO Element is revolutionizing water filtration and is being successfully applied in various sectors. In seawater desalination, it provides unparalleled efficiency, ensuring crystal-clear water output. Witness zero discharge of latex wastewater, significantly enhancing environmental conservation efforts. Additionally, our technology is making strides in the copper foil industry, optimizing wastewater treatment processes for sustainability.
The transformative power of our product extends to the new energy industry, where our cutting-edge filtration solutions are pivotal. We excel in sulfuric acid purification and recovery, offering industries an edge in cost-effective and safe handling. Our technology is also key in the innovative extraction of lithium from salt lakes, driving advancements in energy solutions.
Our commitment to excellence is demonstrated through our prestigious certifications: Health & Safety Management System Certificate, Environmental Management System Certificate, and the renowned ISO9001 Quality System Certificate. Each of these accolades underscores our dedication to maintaining the highest standards in every aspect of our operations.
We pride ourselves on our pioneering spirit, as evidenced by our array of innovative patents: an Invention Patent for Membrane Production, an Invention Patent for our cutting-edge Multi-layer RO Membrane, and Utility Model Patent Certificates. These patents are a testament to our relentless pursuit of advancement and superior quality in water filtration technology.
1. Q:Are you a manufacture or a trading company?
A:We are manufacturer with our own factory and meanwhile we cooperation with other factories in our own technology.
2. Q: What about the lead time for mass production?
A: Our production time: 10-15 days for regular models.
3.Q:How you guarantee products quality?
A:We inspect and control the whole process from raw materials, production process, finished product to shipment.
4. Q: Can you offer sample before mass order? is it free or extra?
A:Yes samples will be kindly arranged for your confirmation. Please contact us for more details.
5.why choose us ?
We have advanced technology for the production of TFN membrane.
We have established the first TFN coating production line in China and achieved stable mass production.
We have equipped 1000m2 test platform, advanced water testing technology.
We provide RO,NF,UNF, Special Membrane Element and SPEC Customized Membrane as well.
We offering customer competitive price with excellent products quality and comprehensive services.
Proshare History
2016 - A remarkable year marked by the return of the illustrious PhD. team led by Dr. Lin Xiaofeng, a distinguished expert involved in the National Major Talent Introduction Project, as they made a significant impact by establishing Proshare.
2017 - Proshare strategically positioned its headquarters in Nanopolis Suzhou, a hub recognized globally as the largest nano technology industrial application community, fostering innovation and growth.
2018 - A pivotal year where Proshare embarked on a new chapter by setting up its first exclusively designed TFN coating production line and commenced mass production, marking a milestone in its manufacturing journey.
2019 -PSI MEMBRANE® achieved a breakthrough by successfully replacing imported nanofiltration membrane products. It found stable applications in diverse fields such as textile wastewater management, landfill leachate treatment, and handling high salt & COD wastewater. Proshare also proudly became the pioneering domestic supplier of high-end household nanofiltration water purifiers.
2020 - Proshare made strides with the launch of SPEC customized membranes tailored for large-scale environmental engineering enterprises, garnering success by serving numerous listed companies.
2021 - Proshare achieved the status of a qualified supplier for Sinopec, delivering integrated TFN membrane solutions specifically crafted for the petrochemical industry, enhancing efficiency and sustainability.
2022 - A year of significant expansion as Proshare established subsidiaries in Shenzhen, Hunan, Fujian, and Jiangxi. This strategic expansion extended our services to a broader customer base, positioning us as the leading domestic supplier in emerging industries such as synthetic biology, lithium batteries, and copper foil, among others.
2023 - Proshare reached a new pinnacle by becoming the foremost domestic supplier of seawater desalination membranes for prestigious international luxury cruise companies, solidifying our reputation for excellence.
2024 - As we look to the horizon, exciting developments are anticipated, promising a continuation of Proshare's legacy of innovation and leadership.