PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane,incorporatedInfused with groundbreaking Thin Film Nanocomposite (TFN) technology, this cutting-edge solution is designed to significantly reduce the cost of desalination while ensuring superior water quality. It provides industry-leading salt rejection, making it ideal for high salinity seawater applications.
- Achieve 30% More Flow:The TFN leading technology enables this membrane to achieve up to 30% more flow compared to traditional TFC membranes, revolutionizing efficiency.
- High Rejection Rate of 99.85%:The innovative TFN technology on its surface ensures outstanding salt rejection with lower operating pressures, optimizing performance.
- Reduced Cleaning Frequency:Thanks to the TFN membrane's exceptional anti-fouling capabilities, it significantly reduces the presence of microorganisms and inorganic pollutants, thereby minimizing the frequency of cleaning required.
- Extensive Cleaning pH Range (1-13):This membrane provides the most effective cleaning performance and durability due to its exceptionally wide cleaning pH range, ensuring robust chemical tolerance and long-lasting reliability.
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. Experience exceptional product flow and salt rejection rates, meticulously measured under the most precise test conditions:
Pro-SW-HR: Under optimal conditions with feed water concentration at 32000 ppm NaCl, a robust feed water pressure of 800 psi (5.5 MPa), and a controlled feed water temperature of 77°F (25°C), enjoy an 8% recovery rate per individual membrane.
Pro-SW-HF: Benefit from feed water concentration at 20000 ppm NaCl, with a consistent 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 15% per membrane.
2. Versatile product flow with a variation range of +/-20%, ensuring flexibility and reliability.
3. The F34 model boasts a robust fiberglass wrapped case with a mesh thickness of 34 mil. For specialized applications, additional case types, mesh, and membrane elements are available to suit your requirements.
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. Maximum operating temperature intricately connected to operational pressure and pH levels, maintaining product integrity.
b. The upper limit of operating pressure is intricately tied to both temperature and pH of the inlet water. For inlet water temperatures above 35°C or pressures exceeding 69 bar, consult with your dedicated account manager for tailored advice.
c. Continuous operation's pH limit is thoughtfully adjusted according to the inlet water temperature and pressure parameters.
DIMENSIONS: 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: Boasting a super smooth surface and ultra-hydrophilic properties for enhanced performance.


Envision a world of innovation with our cutting-edge solutions for seawater desalination. Achieve zero discharge in latex wastewater management and revolutionize copper foil industry wastewater treatment with our state-of-the-art methodologies.
Pioneering solutions in the new energy industry revolutionize your operations. Experience unparalleled sulfuric acid purification and recovery processes. Unlock the potential of lithium extraction from salt lakes with our advanced technologies.
Our unwavering commitment to excellence is reflected in the prestigious certifications we hold. Proshare Innovation Suzhou Co., Ltd. proudly presents the Health & Safety Management System Certificate, ensuring our facilities are always safe and secure. Our Environmental Management System Certificate highlights our dedication to sustainable practices. Additionally, we are ISO9001 Quality System certified, guaranteeing that each of our processes meets the highest international standards of quality assurance.
At Proshare Innovation Suzhou Co., Ltd., we are at the forefront of technological advancement with our groundbreaking patents. We hold an Invention Patent for the production of advanced membranes, a testament to our innovative spirit. Our Invention Patent for the multi-layer RO membrane underscores our pioneering role in water treatment solutions. Furthermore, we possess Utility Model Patent Certificates, showcasing our expertise in creating practical and efficient designs that meet the needs of the modern world.
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 - In a landmark year, Proshare's esteemed PhD team, spearheaded by the renowned Dr. Lin Xiaofeng, a luminary in the National Major Talent Introduction Project, made its triumphant return to China, marking the beginning of a new era.
2017 - Proshare proudly established its headquarters in Nanopolis Suzhou, the world's foremost community dedicated to the industrial applications of nanotechnology, standing at the cusp of innovation.
2018 - Proshare inaugurated its very first exclusively designed TFN coating production line, leading to the commencement of mass production, setting a new benchmark in efficiency and quality.
2019 -PSI MEMBRANE® shattered barriers by successfully replacing imported nanofiltration membrane products. It now consistently excels in applications ranging from textile wastewater treatment to handling high-salt and COD wastewater. Proshare also emerged as the pioneering domestic supplier of high-end household nanofiltration water purifiers.
2020 - Proshare unveiled its SPEC customized membrane, catering to the bespoke needs of large-scale environmental engineering enterprises, and achieved great success in collaboration with several publicly listed companies.
2021 - Proshare was recognized as a qualified supplier for Sinopec, offering comprehensive integrated TFN membrane solutions tailored for the petrochemical industry, further solidifying its industry leadership.
2022 - Proshare expanded its reach by establishing subsidiaries in Shenzhen, Hunan, Fujian, and Jiangxi. This strategic growth extended our premier services to a broader customer base, positioning us as the leading domestic supplier in burgeoning sectors such as synthetic biology, lithium battery, and copper foil industries, among others.
2023 - Proshare achieved a milestone by becoming the pioneering domestic seawater desalination membrane supplier to prestigious international luxury cruise companies, underscoring our commitment to quality and innovation.
2024 - Expectations are set high for the future, with exciting developments on the horizon.