PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane, Incorporatedfeaturing groundbreaking Thin Film Nanocomposite (TFN) technology, designed to significantly cut desalination costs while ensuring exceptional water purity. It offers unmatched salt rejection, ideal for high salinity seawater applications.
- Generate 30% More Flow:With TFN Leading Technology, this membrane boasts the ability to produce 30% more flow compared to traditional TFC membranes.
- Superior Rejection Rate of 99.85%:Our TFN advanced surface technology ensures outstanding salt-rejection capabilities even at lower pressures.
- Reduced Cleaning Frequency:The superior anti-fouling performance of the TFN membrane dramatically minimizes microbial and inorganic contaminants, resulting in less frequent cleaning requirements.
- Extensive Cleaning pH (1-13) Range:Offers unmatched cleaning efficiency, robustness, and durability thanks to its broadest cleaning pH range and high 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 efficiency were meticulously measured under precisely controlled test conditions:
Pro-SW-HR: Conducted tests with feed water at a concentration of 32,000 ppm as NaCl, applying a feed water pressure of 800 psi (5.5 MPa), with the water temperature held steady at 77°F (25°C). Each single membrane achieved a recovery rate of 8%.
Pro-SW-HF: Examined using a feed water concentration of 20,000 ppm as NaCl, under a feed water pressure of 800 psi (5.5 MPa), maintaining a feed water temperature of 77°F (25°C). Each membrane realized a superior recovery rate of 15%.
2. Enjoy a diverse flow range with product flow variation of +/-20%; ensuring adaptability to diverse needs.
3. The F34 model features a robust fiberglass-wrapped case with a mesh thickness of 34 mil. We offer a variety of case types, meshes, and membrane elements to suit your specific 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. The apex of the operating temperature is intricately linked to both the operating pressure and the pH level.
b. The pinnacle of operating pressure is contingent upon the specific temperature and pH of the inlet water. Should the inlet water temperature surpass 35°C and/or the inlet water pressure go beyond 69 bar, please consult your dedicated account manager for tailored advice.
c. The continuous operation pH limit is dependent on the interplay of 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 the unparalleled advantage of a super smooth surface combined with ultra-hydrophilic properties for exceptional performance.


Revolutionary Solutions for Seawater Desalination Pioneering Zero Discharge Techniques for Latex Wastewater Advanced Treatment for Copper Foil Industry Wastewater
Innovative Applications in the New Energy Sector Efficient Purification and Recovery of Sulfuric Acid Cutting-Edge Techniques for Lithium Extraction from Salt Lakes
We hold a comprehensive array of prestigious certifications showcasing our commitment to excellence. Our Health & Safety Management System Certificate ensures the utmost care in our operations. The Environmental Management System Certificate underlines our dedication to sustainable practices. Additionally, our ISO9001 Quality System Certificate reflects our unwavering focus on quality assurance.
Our innovative advancements are backed by significant intellectual property credentials. We possess an Invention Patent for membrane production, which highlights our cutting-edge capabilities. Furthermore, our Invention Patent for Multi-layer RO Membrane demonstrates our pioneering strides in the industry. Complementing these are our Utility Model Patent Certificates, further establishing our technological leadership.
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 transformative year for Proshare as our illustrious PhD. team, spearheaded by the renowned Dr. Lin Xiaofeng, a luminary from the National Major Talent Introduction Project, made their pioneering return to China, setting a robust foundational stone for future innovations.
2017 - Our global headquarters blossomed in Nanopolis Suzhou, a prestigious locale celebrated as the world's largest hub for nano technology industrial applications, where cutting-edge ideas transform into tangible realities.
2018 - Proshare proudly initiated its first exclusive and meticulously engineered TFN coating production line, heralding the dawn of mass production and a new era of innovation excellence.
2019 -PSI MEMBRANE® triumphantly emerged as a superior alternative to imported nanofiltration membrane products. Its reliable performance spans diverse applications, including the treatment of textile wastewater, landfill leachate, and challenging high-salt & COD wastewater. Additionally, Proshare set a precedent as the first domestic provider of high-end household nanofiltration water purifiers.
2020 - Proshare unveiled the revolutionary SPEC customized membrane, tailored for large-scale environmental engineering giants, and extended our expertise to numerous publicly traded companies with exceptional service quality.
2021 - Proshare ascended as a qualified supplier to Sinopec, offering comprehensive integrated TFN membrane solutions, that cater to the exacting demands of the petrochemical industry, reinforcing our position as a trusted partner.
2022 - With the strategic establishment of subsidiaries in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, Proshare expanded its customer reach and became the pioneering domestic supplier in burgeoning sectors such as synthetic biology, lithium battery, and copper foil, among others, showcasing our versatile adaptability to emerging industrial needs.
2023 - Proshare ascended to unparalleled heights by becoming the foremost domestic provider of seawater desalination membranes for prestigious international luxury cruise companies, marking a significant milestone in our global expansion.
2024 - Anticipating remarkable achievements on the horizon.