PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane,incorporatedwith groundbreaking Thin Film Nanocomposite (TFN) technology, this membrane revolutionizes desalination by significantly reducing costs while ensuring exceptional water quality. It offers industry-leading salt rejection, ideal for high-salinity seawater applications.
- Achieve 30% More Flow:The innovative TFN technology guarantees a 30% higher flow rate compared to conventional TFC membranes.
- High Rejection Rate at 99.85%:Our TFN technology ensures top-notch salt rejection with reduced pressure requirements.
- Reduced Cleaning Frequency:Thanks to the TFN membrane's superior anti-fouling capabilities, it significantly minimizes microorganism and inorganic contamination, leading to less frequent cleanings.
- Extensive Cleaning pH Range (1-13):Enjoy the most effective cleaning with unmatched robustness and durability, thanks to the widest cleaning pH range available, along with superior 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 flow rate and salt rejection rate were meticulously determined under the following optimal test conditions:
Pro-SW-HR: Feed water with a concentration of 32,000 ppm as NaCl, under a precise feed water pressure of 800 psi (5.5 MPa), at a controlled feed water temperature of 77 °F (25 °C), achieving a recovery rate of 8% per individual membrane.
Pro-SW-HF: Feed water with a concentration of 20,000 ppm as NaCl, under a consistent feed water pressure of 800 psi (5.5 MPa), at a stable feed water temperature of 77 °F (25 °C), achieving an impressive recovery rate of 15% per individual membrane.
2. Please note that the variation range of product flow is +/-20%; ensuring reliability and performance efficiency.
3. The F34 is a robust fiberglass wrapped case with a precise mesh thickness of 34 mil. Additionally, we offer a range of alternative cases, mesh types, and membrane elements to meet diverse 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 maximum operating temperature is intricately linked to both the operating pressure and pH levels.
b. The maximum permissible operating pressure is contingent upon the temperature and pH of the inlet water. Should the inlet water temperature surpass 35°C and/or the inlet water pressure exceed 69 bar, we urge you to promptly contact your dedicated account manager for assistance.
c. The pH limit for continuous operation is influenced by the inlet water temperature and operating pressure, ensuring consistent 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 for enhanced efficiency and ultra hydrophilic properties for superior performance.


Seawater Desalination: Transform the vast ocean into a reliable source of fresh, drinkable water with our cutting-edge technology. Zero Discharge of Latex Wastewater: Achieve unparalleled environmental standards with efficient, eco-friendly wastewater management solutions. Copper Foil Industry Wastewater Treatment: Navigate the complexities of industrial processes with our bespoke solutions for cleaner production.
New Energy Industry: Propel your business into the future with innovative solutions designed for the evolving energy landscape. Sulfuric Acid Purification and Recovery: Maximize efficiency and sustainability with advanced recovery processes. Lithium Extraction from Salt Lake: Harness the power of nature's resources with precision extraction techniques for the burgeoning lithium market.
Our unwavering commitment to excellence is evidenced by our esteemed certifications. We proudly uphold rigorous standards with our Health & Safety Management System Certificate, ensuring the well-being of all stakeholders. Our Environmental Management System Certificate reflects our dedication to sustainable practices. Furthermore, our ISO9001 Quality System Certificate underscores our pursuit of exceptional quality in every aspect of our operations.
At Proshare Innovation Suzhou Co., Ltd., innovation is the cornerstone of our success, as demonstrated by our prestigious patents. Our Invention Patent for Membrane Production showcases our cutting-edge advancements in filtration technology. The Invention Patent for our Multi-layer RO Membrane highlights our role as pioneers in enhancing filtration efficiency. Additionally, our Utility Model Patent Certificates attest to our inventive prowess and dedication to developing practical, high-performance 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 - Proshare was driven by innovation when Dr. Lin Xiaofeng, a prominent figure in the National Major Talent Introduction Project, led a team of PhDs back to China.
2017 - Proshare strategically positioned its headquarters in Nanopolis Suzhou, a premier hub of nano technology industrial applications worldwide.
2018 - Proshare inaugurated its first exclusive, custom-designed TFN coating production line heralding the commencement of mass production.
2019 -PSI MEMBRANE® Achieved a milestone by successfully supplanting imported nanofiltration membranes. It demonstrated remarkable performance in textile wastewater, landfill leachate, high salt & COD wastewater treatment, and various other environmental protection domains. It also emerged as the pioneering domestic provider of premium nanofiltration water purifiers for households.
2020 - Proshare launched SPEC tailored membranes for major environmental engineering firms, proudly serving multiple publicly traded companies with distinction.
2021 - Proshare was recognized as a qualified supplier for Sinopec, providing comprehensive TFN membrane solutions for the petrochemical sector, showcasing our expertise and commitment.
2022 - Proshare expanded its operational footprint with the establishment of subsidiaries in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, further extending our reach to customers and earning the distinction of being the first domestic supplier in emerging industries such as synthetic biology, lithium battery, and copper foil, among others.
2023 - Proshare proudly became the premier domestic supplier of seawater desalination membranes to international luxury cruise lines, marking another significant achievement.
2024 - Exciting prospects await as we look to the future.