PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane,incorporatedwith groundbreaking Thin Film Nanocomposite (TFN) technology, this product significantly lowers desalination costs while elevating water quality to exceptional standards. It offers industry-leading salt rejection performance, tailored for high salinity seawater applications.
- Achieve 30% Increased Flow:Advanced TFN technology is engineered to deliver 30% higher flow compared to traditional TFC membranes.
- High Rejection Rate of 99.85%:The TFN innovation guarantees outstanding salt rejection efficiency with reduced pressure requirements.
- Reduced Cleaning Frequency:The TFN membrane's superior anti-fouling properties dramatically minimize microorganism and inorganic contamination, leading to a reduced need for cleaning.
- Broad Cleaning pH (1-13) Range:Ensures optimal cleaning effectiveness, robustness, and longevity thanks to its extensive 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. Experience exceptional performance with our product flow rate and salt rejection rate, rigorously tested under the following precise conditions:
Pro-SW-HR: Immerse in the challenge with a feed water concentration of 32,000 ppm as NaCl, maintaining a robust feed water pressure of 800 psi (5.5 MPa) at a controlled temperature of 77 °F (25 °C), and achieving an unparalleled recovery rate of 8% for each individual membrane.
Pro-SW-HF: Excel with a feed water concentration of 20,000 ppm as NaCl under a consistent feed water pressure of 800 psi (5.5 MPa) and a standard temperature of 77 °F (25 °C), attaining a remarkable recovery rate of 15% for each single membrane.
2. Embrace flexibility with a remarkable variation range of product flow at +/-20%;
3. Our F34 model features a fiberglass wrapped casing with an innovative mesh thickness of 34 mil. Explore our diverse range of additional cases, meshes, and membrane elements tailored to your needs.
Operating Condition:
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. Discover optimum performance with our product's maximum operating temperature, intelligently correlated to the operating pressure and pH levels.
b. The maximum operating pressure dynamically adapts to the temperature and pH of the inlet water. For conditions where the inlet water temperature surpasses 35°C and/or the inlet water pressure exceeds 69 bar, connect with your dedicated account manager for tailored support.
c. The pH limit for continuous operation is meticulously linked to the inlet water temperature and operating pressure, ensuring reliable and 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: Experience the pinnacle of innovation with a super smooth surface and ultra-hydrophilic properties, crafted for superior performance.


Applications: 1. Seawater Desalination: Turn the vast blue oceans into a boundless source of fresh water. 2. Zero Discharge of Latex Wastewater: Achieve eco-friendly industrial processes. 3. Copper Foil Industry Wastewater Treatment: Impeccable purification solutions tailored for the copper foil sector.
New Horizons in Industry: 1. New Energy Sector: Empowering the future with innovative solutions. 2. Sulfuric Acid Purification and Recovery: Sustainable resource management for industrial excellence. 3. Lithium Extraction from Salt Lake: Harnessing natural resources for cutting-edge energy developments.
At Proshare Innovation Suzhou Co., Ltd., we pride ourselves on adhering to the highest standards with our comprehensive certifications. Our dedication is showcased by our Health & Safety Management System Certificate, Environmental Management System Certificate, and the prestigious ISO9001 Quality System Certificate. These accolades underline our commitment to excellence and quality in every product we deliver.
Innovation is at the core of Proshare Innovation Suzhou Co., Ltd., as evidenced by our pioneering patents. We hold an Invention Patent for our membrane production process, along with an Invention Patent for our groundbreaking multi-layer RO membrane technology. Additionally, we boast a series of Utility Model Patent Certificates, reinforcing our role as industry leaders in technological advancement.
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 monumental year for Proshare as the esteemed PhD. team, steered by Dr. Lin Xiaofeng, a visionary of the National Major Talent Introduction Project, made their illustrious return to China, laying the foundation for remarkable future innovations.
2017 - Proshare established its headquarters in Nanopolis Suzhou, a pioneering hub celebrated as the world's largest nanotechnology industrial application community, setting the stage for cutting-edge advancements.
2018 - Proshare inaugurated an exclusively designed TFN coating production line and commenced mass production, marking a significant milestone in our industrial journey.
2019 -PSI MEMBRANE® emerged triumphant, surpassing imported nanofiltration membrane products. It became a staple in crucial applications like treating textile wastewater, landfill leachate, and high salt & COD wastewater. Proshare proudly became the first domestic supplier of premium household nanofiltration water purifiers, highlighting our commitment to environmental protection.
2020 - Proshare introduced SPEC customized membrane solutions tailored for major environmental engineering enterprises. We had the privilege of serving several esteemed listed companies, showcasing our capability and innovation.
2021 - Proshare became a distinguished qualified supplier for Sinopec, delivering integrated TFN membrane solutions for the petrochemical industry, underscoring our expertise and reliability in providing cutting-edge technology.
2022 - Proshare expanded with new subsidiaries established in Shenzhen, Hunan, Fujian, and Jiangxi. We extended our reach and became the foremost domestic supplier in emerging industries such as synthetic biology, lithium battery production, and copper foil manufacturing, etc., enhancing our market presence and service capabilities.
2023 - Proshare distinguished itself as the pioneering domestic seawater desalination membranes supplier, serving prestigious international luxury cruise companies, a testament to our innovative prowess and market leadership.
2024 - Unlocking new horizons with exciting developments on the horizon, as Proshare anticipates another groundbreaking year.