Welcome to the cutting-edge world of PSI MEMBRANE® Pro-SW-HR state-of-the-art seawater RO membrane.An innovation powerhouse,crafted with pioneering Thin Film Nanocomposite (TFN) technology, designed to revolutionize desalination by significantly reducing costs while ensuring superior, pristine water quality. It delivers industry-leading salt rejection, perfect for the most challenging high salinity seawater applications.
- Achieve an impressive 30% increase in flow production:Thanks to the groundbreaking TFN Leading technology, which ensures up to 30% more flow compared to traditional TFC membranes.
- Unparalleled high rejection rate of 99.85%:Our TFN advanced technology on the membrane surface guarantees outstanding salt rejection even at reduced pressures, maximizing efficiency.
- Reduced Cleaning Frequency:The exceptional anti-fouling capabilities of the TFN membrane drastically minimize microorganisms and inorganic pollutants, leading to a notably reduced cleaning frequency.
- Extensive Cleaning pH(1-13) Range:Engineered for optimal cleaning performance, the product is characterized by unmatched robustness and durability thanks to its extensive cleaning pH range and superior chemical tolerance.
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 flow rate and salt rejection rate are determined under the following meticulously controlled test conditions:
Pro-SW-HR: Experience optimum performance with a feed water concentration of 32,000 ppm NaCl, a robust feed water pressure of 800 psi (5.5 MPa), and a stable feed water temperature of 77°F (25°C), achieving an impressive recovery rate of 8% per membrane.
Pro-SW-HF: Designed for high efficiency with a feed water concentration of 20,000 ppm NaCl, maintained at a powerful feed water pressure of 800 psi (5.5 MPa), and a consistent feed water temperature of 77°F (25°C), delivering a recovery rate of 15% per membrane.
2. Please note the variation range of the product flow is +/-20%, providing flexibility within operational parameters.
3. The F34 model features a fiberglass wrapped case with a refined mesh thickness of 34 mil. We also offer an extensive range of cases, meshes, and membrane elements tailored to your specific needs.
Operating Condition:
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 the pH level.
b. The maximum operating pressure is dependent on the inlet water temperature and pH. Should the inlet water temperature exceed 35°C or the pressure surpass 69 bar, please reach out to your dedicated account manager for guidance.
c. The pH limit for continuous operation is influenced by 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: Featuring a super smooth surface and unparalleled ultra-hydrophilic properties, engineered for superior performance.


Our cutting-edge desalination technology is perfectly suited for a variety of demanding applications, including: Seawater desalination, which is crucial for transforming endless ocean resources into fresh water; achieving zero discharge of latex wastewater, an essential step in reducing environmental impact; and innovatively treating wastewater from the copper foil industry to ensure sustainable industrial practices.
Our advanced filtration solutions are also making strides in the new energy sector, where they play a pivotal role in the purification and recovery of sulfuric acid, a critical component in many industrial processes. Furthermore, our systems are instrumental in the extraction of lithium from salt lakes, an essential resource for the burgeoning battery and energy storage industries.
Discover unparalleled assurance with our robust suite of certifications, including the prestigious Health & Safety Management System Certificate, the Environmental Management System Certificate, and the reputable ISO9001 Quality System Certificate. These accolades signify our unwavering commitment to excellence, safety, and sustainability.
Our innovative prowess is exemplified by our array of esteemed patents, such as the groundbreaking Invention Patent for Membranes Production, the pioneering Invention Patent of Multi-layer RO Membrane, and a collection of Utility Model Patent Certificates. These credentials underscore our dedication to advancing technology and innovation in desalination solutions.
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 pivotal year for Proshare with the return of our highly esteemed PhD team led by Dr. Lin Xiaofeng, a distinguished expert from the National Major Talent Introduction Project, marking a significant milestone in our innovation journey.
2017 - Proshare strategically established its headquarters in Nanopolis Suzhou, the world's largest hub dedicated to nanotechnology industrial applications, positioning us at the epicenter of groundbreaking technological advancements.
2018 - Proshare proudly inaugurated its first uniquely designed TFN coating production line, ushering in a new era of mass production and technological excellence.
2019 - A landmark year with our revolutionaryPSI MEMBRANE® which not only replaced imported nanofiltration membrane products but was also successfully applied in diverse fields such as textile wastewater treatment, landfill leachate management, and high salt & COD wastewater processing. Further, we emerged as the first domestic supplier of premium household nanofiltration water purifiers.
2020 - Proshare introduced the innovative SPEC customized membranes designed for large environmental engineering enterprises, catering to the specific needs of several publicly listed companies with exceptional success.
2021 - A year of excellence as Proshare qualified as a trusted supplier for Sinopec, delivering comprehensive integrated TFN membrane solutions tailored for the petrochemical industry, showcasing our adaptability and expertise.
2022 - Witnessed the establishment of Proshare subsidiaries in strategic locations including Shenzhen City, Hunan Province, Fujian Province, and Jiangxi. This expansion allows us to extend our superior service to a wider customer base, positioning us as the leading domestic supplier in emerging industries such as synthetic biology, lithium battery production, and copper foil manufacturing. Our pioneering efforts in these sectors have set new benchmarks.
2023 - Proshare achieved another remarkable milestone by becoming the first domestic supplier of seawater desalination membranes for prestigious international luxury cruise companies, enhancing our reputation on the global stage.
2024 - Anticipating groundbreaking ventures soon, as we continue to lead and innovate.