PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane,incorporatedFeaturing cutting-edge Thin Film Nanocomposite (TFN) technology, designed to revolutionize desalination with cost-effective, yet exceptional water quality. It provides industry-leading salt rejection, perfect for high salinity seawater applications.
- Delivers 30% Increased Flow:Our TFN Leading technology expertly generates 30% more flow compared to traditional TFC membranes.
- Impressive High Rejection Rate of 99.85%:The TFN technology elevates surface performance, ensuring outstanding salt rejection at reduced pressure levels.
- Reduced Cleaning Frequency:The TFN membrane's superior anti-fouling capabilities significantly minimize microbial and inorganic fouling, leading to reduced cleaning requirements.
- Comprehensive Cleaning pH(1-13) Range:Ensures optimal cleaning efficiency, enhanced robustness, and long-term durability, thanks to its extensive cleaning pH range and superior chemical resilience.
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 remarkable flow rate and salt rejection rate of our product are thoroughly tested under these precise conditions:
Pro-SW-HR: With an impressive feed water concentration of 32000 ppm as NaCl, this component operates under a robust feed water pressure of 800 psi (5.5 MPa). At a stable feed water temperature of 77 °F (25 °C) and achieving an 8% recovery rate per single membrane, it exemplifies efficiency.
Pro-SW-HF: Designed for excellence, it handles a feed water concentration of 20000 ppm as NaCl with the same rigorous feed water pressure of 800 psi (5.5 MPa). Maintained at a consistent feed water temperature of 77 °F (25 °C), it achieves an elevated recovery rate of 15% per single membrane.
2. Experience flexibility with a product flow variation range of +/-20%, catering to diverse operational requirements.
3. F34 features a rugged fiberglass wrapped case, boasting a mesh thickness of 34 mil. Explore our additional range of cases, mesh, and membrane elements to suit 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 with both operating pressure and pH levels, ensuring optimal performance.
b. Maximum operating pressure is dictated by the inlet water's temperature and pH. Should the inlet water temperature surpass 35°C or the inlet water pressure exceed 69 bar, please consult your dedicated account manager to tailor solutions.
c. The pH threshold for continuous operation is dependent on the corresponding inlet water temperature and operating pressure.
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 an unparalleled super smooth surface paired with ultra-hydrophilic properties for superior performance.


Our groundbreaking seawater desalination technology ensures an impressive zero discharge of latex wastewater. Furthermore, it revolutionizes copper foil industry wastewater treatment, offering an eco-friendly solution like no other.
Spearheading innovation in the new energy sector, our solutions enhance sulfuric acid purification and recovery processes. In addition, we lead the charge in lithium extraction from salt lakes, setting a new industry standard.
We proudly hold a range of prestigious certifications that reflect our commitment to quality and excellence. Our accolades include the distinguished Health & Safety Management System Certificate, a testament to our unwavering dedication to maintaining the highest safety standards. Moreover, we have achieved the Environmental Management System Certificate, showcasing our proactive efforts to protect the environment. Lastly, our ISO9001 Quality System Certificate is a mark of our relentless pursuit of superior quality management.
At Proshare Innovation Suzhou Co., Ltd., we are pioneers in innovation, holding several groundbreaking patents that highlight our expertise. Our portfolio includes the esteemed Invention Patent for Membrane Production, a breakthrough in membrane technology. Additionally, we possess the Invention Patent for Multi-layer RO Membranes, which underscores our advancements in reverse osmosis solutions. Furthermore, our Utility Model Patent Certificates demonstrate our creative approach to developing efficient and reliable membrane 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 significant year for Proshare, as our illustrious PhD team, guided by the esteemed Dr. Lin Xiaofeng, a luminary of the National Major Talent Introduction Project, made their grand return to China, laying the foundation for future innovations.
2017 - Witness the establishment of Proshare's headquarters in Nanopolis Suzhou, the epicenter of the world's largest nanotechnology industrial application community, marking a pivotal step in our journey towards technological excellence.
2018 - Proshare crafted its first exclusively designed TFN coating production line, commencing a new era of mass production with unparalleled efficiency and precision.
2019 -PSI MEMBRANE® Achieved the remarkable feat of replacing imported nanofiltration membrane products, demonstrating exceptional performance in applications such as textile wastewater, landfill leachate, and high salt & COD wastewater among various environmental protection fields. Proshare proudly became the premier domestic supplier of high-end household nanofiltration water purifiers.
2020 - Proshare unveiled SPEC customized membrane solutions, catering specifically to the needs of large environmental engineering enterprises and effectively serving numerous esteemed listed companies.
2021 - Proshare reached a milestone as a qualified supplier for Sinopec, providing integrated TFN membrane solutions, customized for the intricate demands of the petrochemical industry.
2022 - Proshare expanded its horizons with the establishment of subsidiaries in Shenzhen, Hunan, Fujian, and Jiangxi, further extending our impeccable service to customers. We emerged as the pioneering domestic supplier in dynamic industries such as synthetic biology, lithium batteries, and copper foil , setting new standards of innovation and excellence.
2023 - Proshare ascended to new heights as the premier domestic supplier of seawater desalination membranes for prestigious international luxury cruise companies, solidifying our reputation on the global stage.
2024 - Exciting expectations await as we prepare for the next chapter of groundbreaking advancements.