PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane, IncorporatedBoasting cutting-edge Thin Film Nanocomposite (TFN) technology, our product significantly reduces the cost of desalination while ensuring exceptional water quality. It offers industry-leading salt rejection, making it perfect for high-salinity seawater applications.
- Achieves 30% Higher Flow:Thanks to TFN's pioneering technology, this membrane delivers 30% more flow compared to traditional TFC membranes.
- High Rejection Rate at 99.85%:TFN's advanced surface technology ensures remarkable salt rejection with reduced operational pressures.
- Reduced Cleaning Frequency:The TFN membrane's exceptional anti-fouling performance minimizes microbial and inorganic contamination, thus decreasing the frequency of necessary cleaning.
- Broad Cleaning pH (1-13) Range:Offers the most efficient cleaning performance, outstanding robustness, and durability thanks to its extensive cleaning pH range and remarkable 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. Unveiling the Basis: Our product's flow rate and salt rejection rate stand on the foundation of rigorous test conditions, ensuring unparalleled performance.
Pro-SW-HR: Tested with a feed water concentration of 32,000 ppm as NaCl, under a decisive feed water pressure of 800 psi (5.5 MPa), with a consistent feed water temperature of 77 °F (25 °C). Achieving a recovery rate of 8% for each single membrane, this configuration exemplifies efficiency.
Pro-SW-HF: With a feed water concentration of 20,000 ppm as NaCl and an imposing feed water pressure of 800 psi (5.5 MPa), combined with a stable feed water temperature of 77 °F (25 °C), this setup attains a remarkable recovery rate of 15% for each single membrane.
2. Embrace Flexibility: Anticipate a variation range of product flow up to +/-20%, showcasing adaptability for diverse demands.
3. The F34 Phenomenon: Enclosed in a fiberglass-wrapped case with a sturdy mesh thickness of 34 mil, we present additional options with varied case, mesh, and membrane elements to suit your unique requirements.
Operating Conditions: The Framework of Reliability
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. Temperature Tango: The maximum operating temperature gracefully aligns with operating pressure and pH, orchestrating seamless functionality.
b. Pressure Perfection: The maximum operating pressure harmonizes with the temperature and pH of the inlet water. Should your operational conditions surpass 35°C or 69 bar inlet water pressure, reach out to your account manager for tailored guidance.
c. pH Precision: The pH limit for continuous operation is intricately tied to the inlet water temperature and operating pressure, ensuring the membrane's enduring performance.
SIZE: mm - Meticulously Engineered Dimensions
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: Revel in the superiority of a super smooth surface, coupled with ultra-hydrophilic properties, setting a new benchmark in membrane technology.


Our Proshare 99.85% Salt Rejection Membrane Filter is expertly designed to tackle the challenges of seawater desalination, offering an environmentally responsible solution for zero discharge of latex wastewater. Furthermore, it is an ideal choice for wastewater treatment in the copper foil industry, ensuring superior performance and reliability.
In the pursuit of advancing the new energy sector, our innovative membrane filter plays a pivotal role in the purification and recovery of sulfuric acid. Additionally, it is instrumental in the extraction of lithium from salt lakes, underpinning the efficiency and sustainability of these critical processes.
We proudly hold an array of prestigious certifications that underline our commitment to excellence and sustainability. Our accolades include the Health & Safety Management System Certificate, Environmental Management System Certificate, and the ISO9001 Quality System Certificate, each representing our dedication to high standards and eco-friendly practices.
Our innovation is backed by significant intellectual property rights, showcasing our pioneering spirit in membrane technology. We possess the Invention Patent for Membrane Production and the Invention Patent for Multi-layer RO Membrane. Additionally, we hold Utility Model Patent Certificates, demonstrating our expertise and cutting-edge advancements in this field.
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 landmark year as the Proshare PhD. team, under the brilliant leadership of Dr. Lin Xiaofeng-an expert renowned through the National Major Talent Introduction Project-made a triumphant return to China, setting the stage for innovation.
2017 - Proshare strategically positioned its headquarters in Nanopolis Suzhou, a prestigious hub known as the world's largest community dedicated to nanotechnology industrial applications, signifying a bold step toward industry leadership.
2018 - Proshare proudly inaugurated its first exclusively designed TFN coating production line, ushering in the era of robust mass production.
2019 - With the breakthrough introduction ofPSI MEMBRANE®, Proshare achieved unprecedented success in replacing imported nanofiltration membranes, demonstrating stable performance across sectors such as textile wastewater, landfill leachate, high salt & COD wastewater, and other vital environmental protection fields. Furthermore, Proshare emerged as the pioneering domestic supplier of high-end household nanofiltration water purifiers.
2020 - Proshare revolutionized the market with the launch of SPEC customized membranes, catering to large-scale environmental engineering enterprises. This innovation enabled Proshare to successfully serve multiple esteemed listed companies, reinforcing its industry dominance.
2021 - Proshare proudly became a qualified supplier for Sinopec, offering comprehensive integrated TFN membrane solutions tailor-made for the petrochemical industry, showcasing our commitment to high-quality service and cutting-edge technology.
2022 - Proshare expanded its footprint by establishing subsidiaries in Shenzhen, Hunan Province, Fujian Province, and Jiangxi, enhancing customer service reach and emerging as the first domestic supplier in burgeoning sectors like synthetic biology, lithium battery, and copper foil,among others, thus broadening our influence across diverse industries.
2023 - Proshare proudly ascended to become the premier domestic supplier of seawater desalination membranes for prestigious international luxury cruise companies, marking another milestone in our journey of innovation and excellence.
2024 - Anticipating remarkable developments soon.