PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane,incorporatedwith cutting-edge Thin Film Nanocomposite (TFN) technology, this membrane significantly reduces desalination costs while ensuring exceptional water quality. It delivers industry-leading salt rejection, ideal for high-salinity seawater applications.
- Produces 30% More Flow:Harness the power of TFN Leading technology, enabling an impressive 30% increase in flow compared to traditional TFC membranes.
- High Rejection Rate of 99.85%:TFN's innovative surface technology ensures superior salt rejection at lower pressures.
- Reduced Cleaning Frequency:Experience outstanding anti-fouling capabilities with the TFN membrane, which significantly curtails microorganisms and inorganic pollution, thus reducing cleaning frequency.
- Wide Cleaning pH (1-13) Range:Enjoy unmatched cleaning efficacy, robustness, and durability, thanks to its broadest 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. Our product flow rate and exceptional salt rejection rate are derived from the following meticulously controlled test conditions:
Pro-SW-HR: Experience optimal performance with a feed water concentration of 32000 ppm as NaCl, a robust feed water pressure of 800 psi (5.5 MPa), and a comfortable feed water temperature of 77 °F (25 °C). Achieve an impressive 8% recovery rate for each single membrane.
Pro-SW-HF: For enhanced efficiency, this model operates at a feed water concentration of 20000 ppm as NaCl, with a steadfast feed water pressure of 800 psi (5.5 MPa) and a consistent feed water temperature of 77 °F (25 °C). Enjoy a substantial 15% recovery rate for each single membrane.
2. Embrace flexibility with a variation range of product flow at +/-20%; ensuring adaptability to diverse operational demands.
3. F34 is a sturdy fiberglass wrapped case, boasting a mesh thickness of 34 mil. Additionally, we offer an array of alternative case types, mesh designs, and membrane elements to align with your specific needs.
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 tied to the operating pressure and pH levels to ensure seamless performance.
b. The maximum operating pressure is carefully linked to the temperature and pH of the inlet water. For conditions where the inlet water temperature exceeds 35°C and/or the inlet water pressure surpasses 69 bar, please reach out to your account manager for expert guidance.
c. The pH limit for continuous operation is dependent on the inlet water temperature and the operating pressure, maintaining optimal functionality.
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: Revel in the advantages of a super smooth surface paired with ultra hydrophilic properties, setting new standards in efficiency and performance.


Seawater desalination: Harness cutting-edge technology to transform abundant seawater into potable water, ensuring sustainability and resourcefulness. Zero discharge of latex wastewater: Achieve environmental excellence by implementing processes that eliminate latex wastewater discharge, promoting a cleaner planet. Copper foil industry wastewater treatment: Revolutionize wastewater management in the copper foil industry, ensuring cleaner production and eco-friendly disposal.
New energy industry: Lead the charge in powering the future with innovative solutions tailored for the new energy sector. Sulfuric acid purification and recovery: Elevate efficiency and sustainability with advanced sulfuric acid purification and recovery techniques, optimizing resource use. Lithium extraction from salt lake: Unleash the potential of salt lakes with cutting-edge lithium extraction processes, powering the next generation of energy storage solutions.
At Proshare Innovation Suzhou Co., Ltd., we are proud holders of prestigious certifications that vouch for our unwavering commitment to excellence. Our certifications include the Health & Safety Management System Certificate, the Environmental Management System Certificate, and the ISO9001 Quality System Certificate. Each of these accolades reflects our dedication to maintaining superior standards across all facets of our operations, ensuring that we deliver only the best to our clients.
Our innovative spirit at Proshare Innovation Suzhou Co., Ltd. is exemplified by our impressive array of patents. We hold an Invention Patent for our cutting-edge membrane production technology, an Invention Patent for our pioneering multi-layer RO membrane, and a collection of Utility Model Patent Certificates. These accolades are a testament to our relentless pursuit of innovation and quality, propelling us to the forefront of the seawater desalination industry.
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 - Under the visionary guidance of Dr. Lin Xiaofeng, an esteemed expert from the National Major Talent Introduction Project, the Proshare PhD team made a triumphant return to China, marking a new dawn in innovative endeavors.
2017 - With a strategic base at Nanopolis Suzhou, the world's largest hub for nano technology industrial applications, Proshare established its headquarters, positioning itself at the forefront of cutting-edge advancements.
2018 - Proshare proudly inaugurated its first tailored and exclusively designed TFN coating production line, ushering in a new era of mass production.
2019 -PSI MEMBRANE® Achieving a milestone, PSI MEMBRANE® successfully replaced imported nanofiltration products. This innovation has been reliably applied in diverse sectors such as textile wastewater treatment, landfill leachate, high salt & COD wastewater management, and numerous environmental protection arenas. Proshare also emerged as the pioneering domestic supplier of high-end household nanofiltration water purifiers.
2020 - Proshare unveiled the SPEC customized membrane, catering to the needs of large environmental engineering enterprises and securing partnerships with numerous listed companies.
2021 - Proshare elevated its status to a qualified supplier for Sinopec, crafting comprehensive solutions with integrated TFN membrane technologies, specifically tailored for the petrochemical sector.
2022 - Expansion was the theme as Proshare established subsidiaries in Shenzhen, Hunan, Fujian, and Jiangxi, thus broadening their customer service reach. Proshare became the foremost domestic supplier in emerging industries like synthetic biology, lithium battery production, and copper foil manufacturing.
2023 - Proshare achieved a groundbreaking feat by becoming the first domestic supplier of seawater desalination membranes, serving prestigious international luxury cruise companies.
2024 - A future brimming with anticipation awaits.