PSI MEMBRANE® Pro-SW-HR Seawater RO MembraneIncorporatedwith cutting-edge Thin Film Nanocomposite (TFN) technology, designed to significantly reduce desalination costs while ensuring premium water quality. It offers industry-leading salt rejection, making it perfect for high salinity seawater applications.
- Delivers 30% More Flow:TFN's pioneering technology enables the production of 30% more flow compared to traditional TFC membranes.
- High Rejection Rate of 99.85%:The innovative TFN technology on the surface ensures outstanding salt rejection with reduced pressure requirements.
- Reduced Cleaning Frequency:The TFN membrane's exceptional anti-fouling capabilities dramatically lower microorganisms and inorganic pollutants, contributing to a reduced need for cleaning.
- Extensive Cleaning pH (1-13) Range:This provides unparalleled cleaning efficiency, strength, and longevity due to its broadest cleaning pH range and exceptional 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. Our product's flow rate and salt rejection rate have been expertly tested under specific conditions:
Pro-SW-HR: Featuring a feed water concentration of 32,000 ppm as NaCl, this element operates at a feed water pressure of 800 psi (5.5 MPa) and a temperature of 77 °F (25 °C), with an impressive recovery rate of 8% for each distinct membrane.
Pro-SW-HF: Designed for a feed water concentration of 20,000 ppm as NaCl, maintaining the same robust feed water pressure of 800 psi (5.5 MPa) and temperature of 77 °F (25 °C), achieving a remarkable recovery rate of 15% for each individual membrane.
2. The flow variation range of our products is a conservative +/-20%, ensuring flexibility and reliability.
3. The F34 model boasts a fiberglass-wrapped case with a mesh thickness of 34 mil. We offer a diverse selection of case types, mesh, and membrane elements to meet 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, ensuring optimal performance.
b. Maximum operating pressure is contingent upon the inlet water's temperature and pH. Should the inlet water temperature surpass 35°C or if the inlet water pressure exceeds 69 bar, kindly reach out to your dedicated account manager for assistance.
c. The pH limits for continuous operation are determined by the inlet water temperature and operating pressure to maintain seamless functionality.
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: Providing a super smooth surface and exhibiting ultra-hydrophilic properties for superior performance.


Dive into the world of advanced water solutions with our High Performance Seawater RO Element that shines in diverse applications: from the ambitious task of seawater desalinization to achieving zero discharge of latex wastewater. Experience the transformative touch in the copper foil industry with our cutting-edge wastewater treatment technology.
Revolutionize your operations with our RO element, specifically designed for new energy sectors. Benefit from enhanced sulfuric acid purification and recovery methods, and tap into efficient lithium extraction processes from salt lakes, unlocking the future of industrial water treatment.
Our product proudly boasts several prestigious certifications, a testament to our unwavering commitment to excellence. We have achieved the esteemed Health & Safety Management System Certificate, which ensures our adherence to the highest safety standards. Our dedication to sustainability is further highlighted by the Environmental Management System Certificate. Additionally, we uphold superior quality assurance, as evidenced by our ISO9001 Quality System Certificate, reflecting our devotion to delivering top-notch quality.
Our innovative prowess is showcased through our impressive array of patents. We hold the esteemed Invention Patent for membrane production, highlighting our cutting-edge advancements in this field. Furthermore, our groundbreaking work in the development of multi-layer RO membranes has been recognized with an Invention Patent. Complementing these achievements, we also possess Utility Model Patent Certificates, underscoring our commitment to pioneering technological progress.
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 as the esteemed PhD team, spearheaded by the illustrious Dr. Lin Xiaofeng, an acclaimed figure in the National Major Talent Introduction Project, made their triumphant return to China, setting the stage for remarkable advancements.
2017 - Proshare strategically headquartered itself in Nanopolis Suzhou, nestled in the world's largest nanotechnology industrial application community, symbolizing a commitment to cutting-edge innovation and sustainable growth.
2018 - Proshare proudly established its inaugural TFN coating production line, ushering in a new era of mass production with precision and efficiency.
2019 -PSI MEMBRANE® achieved a groundbreaking milestone by successfully substituting imported nanofiltration membrane products. This innovation has been effectively utilized in diverse sectors, including textile wastewater, landfill leachate, as well as high salt and COD wastewater, underscoring our leadership in environmental protection. Additionally, Proshare emerged as the first domestic supplier of premium household nanofiltration water purifiers.
2020 - Proshare introduced the SPEC customized membrane, tailored for major environmental engineering enterprises, earning the trust of several publicly-listed companies and broadening our scope of influence.
2021 - Proshare ascended to become a qualified supplier for Sinopec, offering comprehensive integrated TFN membrane solutions, fostering innovation within the petrochemical industry.
2022 - Witnessed the establishment of Proshare subsidiaries in strategic locations like Shenzhen City, Hunan Province, Fujian Province, and Jiangxi, thus expanding our customer service reach and securing our position as the leading domestic supplier in emerging industries such as synthetic biology, lithium batteries, and copper foil,among others.
2023 - Proshare made a monumental leap as the pioneering domestic supplier of seawater desalination membranes to prestigious international luxury cruise companies, setting new standards for excellence and reliability.
2024 - Anticipating groundbreaking achievements on the horizon, poised for continued success and innovation.