PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane, Incorporatedfeaturing breakthrough Thin Film Nanocomposite (TFN) technology, cutting desalination costs while delivering exceptional water quality. Offers industry-leading salt rejection, perfect for high-salinity seawater applications.
- Generates 30% More Flow:State-of-the-art TFN technology enables 30% more flow compared to conventional TFC membranes.
- High Rejection Rate 99.85%:TFN's advanced surface technology ensures remarkable salt rejection with reduced pressure requirements.
- Reduced Cleaning Frequency:With outstanding anti-fouling properties, the TFN membrane significantly curtails microbial and inorganic contamination, leading to less frequent cleanings.
- Extensive Cleaning pH (1-13) Range:Ensures optimal cleaning performance, enhanced robustness, and longevity thanks to its extensive pH range for cleaning. and superior 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 flow rate and salt rejection rate have been meticulously tested under the following optimal conditions:
Pro-SW-HR: With a feed water concentration of 32000 ppm as NaCl, our system operates at a feed water pressure of 800 psi (5.5 MPa) and a temperature of 77°F (25°C). Experience a remarkable recovery rate of 8% for each individual membrane unit.
Pro-SW-HF: Optimized for a feed water concentration of 20000 ppm as NaCl, this model is designed to function at a feed water pressure of 800 psi (5.5 MPa) with a temperature of 77°F (25°C). Achieve an impressive recovery rate of 15% for each single membrane unit.
2. Enjoy the flexibility of our product flow with a variation range of +/-20%, catering to diverse operational needs.
3. The F34 model is encased in a durable fiberglass wrap with a mesh thickness of 34 mil. Explore additional case types, mesh configurations, and membrane elements to suit your specific requirements.
Operating Conditions: Ensuring Peak Performance and Safety
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, ensuring optimal and safe functioning.
b. When it comes to maximum operating pressure, be mindful of both inlet water temperature and pH. Should the inlet water temperature surpass 35°C or the pressure exceed 69 bar, consult your account manager for expert guidance.
c. The continuous operation pH limit is thoughtfully connected to the inlet water temperature and operating pressure, maintaining efficiency while safeguarding the system.
SIZE: mm - Precision in Every Dimension
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: Combining a Super Smooth Surface with Ultra Hydrophilic Properties for Superior Performance


Expanding the Horizons of Liquid Purity: Our membrane filters redefine efficiency in diverse domains. Whether it's tackling the challenges of seawater desalination, achieving zero discharge of latex wastewater, or enhancing the copper foil industry's wastewater treatment, our solutions ensure unmatched performance and reliability.
Pioneering the Future of Clean Energy: In the realm of new energy industries, our cutting-edge technology excels in the purification and recovery of sulfuric acid. Additionally, we are at the forefront of lithium extraction from salt lakes, offering innovative solutions to power a sustainable future.
Our commitment to excellence and safety is unwavering, as evidenced by our prestigious certifications. We proudly hold a Health & Safety Management System Certificate, ensuring the utmost care in workplace safety and employee well-being. We are also recognized with an Environmental Management System Certificate, demonstrating our dedication to sustainable and eco-friendly operations. Furthermore, our ISO 9001 Quality System Certificate underscores our steadfast commitment to delivering superior quality products and processes.
Our innovative spirit is showcased through our impressive array of patents. We have secured an Invention Patent for our advanced membrane production techniques, reflecting our cutting-edge approach in the field. Our expertise extends to the multi-layer RO membrane, for which we hold another Invention Patent, affirming our leadership in membrane technology. Additionally, we possess Utility Model Patent Certificates, recognizing our practical and efficient solutions in membrane development.
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: A Journey of Excellence
2016 - The distinguished Proshare PhD team, led by the eminent Dr. Lin Xiaofeng, a jewel of the National Major Talent Introduction Project, made a triumphant return to China.
2017 - Proshare strategically positioned its headquarters in Nanopolis Suzhou, the globe's premier hub for nano technology industrial applications.
2018 - Proshare unveiled its pioneering, exclusively designed TFN coating production line and embarked on an exciting phase of mass production.
2019 - A landmark year forPSI MEMBRANE® which successfully supplanted imported nanofiltration membranes. It found stable applications in textile wastewater, landfill leachate, high salt & COD wastewater, and numerous environmental protection arenas. Proshare also emerged as the foremost domestic provider of high-end household nanofiltration water purifiers.
2020 - Proshare proudly launched its SPEC customized membrane tailored for large-scale environmental engineering enterprises, triumphantly serving several premier listed companies.
2021 - Proshare solidified its status as a trusted supplier for Sinopec, offering comprehensive integrated TFN membrane solutions for the petrochemical industry.
2022 - Establishing a robust presence with subsidiaries in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, Proshare expanded its reach to customers and became the pioneering domestic supplier among emerging industries such as synthetic biology, lithium batteries, and copper foilamong others.
2023 - Proshare proudly became the inaugural domestic supplier of seawater desalination membranes for esteemed international luxury cruise companies.
2024 - A year anticipated with great expectations for future successes.