PSI MEMBRANE® Pro-SW-HR seawater RO membrane, incorporatedwith groundbreaking Thin Film Nanocomposite (TFN) technology, significantly reduces the cost of desalination while delivering unmatched water quality. It offers industry-leading salt rejection, making it ideal for high salinity seawater applications.
- Produces 30% more flow:Our TFN Leading technology is engineered to produce 30% more flow compared to conventional TFC membranes.
- High rejection rate 99.85%:The TFN advanced technology on the surface ensures exceptional salt-rejection with lower pressure requirements.
- Less Cleaning Frequency:The TFN membrane boasts outstanding anti-fouling performance, significantly reducing microorganisms and inorganic pollutants, thus contributing to less frequent cleaning.
- Wide Cleaning pH (1-13) Range:Ensures the most effective cleaning performance, robustness, and durability due to its exceptionally wide cleaning pH range 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. The product's flow rate and salt rejection rate have been meticulously evaluated under the following controlled test conditions:
Pro-SW-HR: With a feed water concentration of 32,000 ppm as NaCl, apply a robust feed water pressure of 800 psi (5.5 MPa) and a precise feed water temperature of 77°F (25°C), while achieving an outstanding recovery rate of 8% for each individual membrane.
Pro-SW-HF: Immerse in a feed water concentration of 20,000 ppm as NaCl, maintaining the same impressive feed water pressure of 800 psi (5.5 MPa) and consistent feed water temperature of 77°F (25°C), resulting in a remarkable recovery rate of 15% for every single membrane.
2. Expect a variation range in product flow of +/- 20%, ensuring adaptability and performance consistency.
3. The F34 model showcases a fiberglass-wrapped case with a sturdy mesh thickness of 34 mil. We offer additional types of cases, meshes, and membrane elements to cater to 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 allowable operating temperature is intricately linked to both the operating pressure and the pH level.
b. The apex of maximum operating pressure harmonizes with 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, kindly reach out to your dedicated account manager for guidance.
c. The continuous operation pH range is intricately associated with the inlet water temperature and operating pressure.
DIMENSIONS: 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 advantage of a super smooth surface and the exceptional quality of ultra-hydrophilic properties, enhancing overall performance and efficiency.


Empowering Industries: - Seawater Desalination: Transforming saline water into fresh, drinkable water, ensuring sustainability and water security. - Zero Discharge of Latex Wastewater: Pioneering eco-friendly solutions to minimize environmental impact and promote responsible production. - Copper Foil Industry Wastewater Treatment: Delivering sustainable and effective treatment solutions for complex industrial effluents.
Innovative Solutions for Emerging Sectors: - New Energy Industry: Revolutionizing energy production with cutting-edge filtration technologies. - Sulfuric Acid Purification and Recovery: Enhancing resource efficiency and reducing waste in chemical processes. - Lithium Extraction from Salt Lake: Facilitating the clean and efficient extraction of critical materials for the energy sector.
Our commitment to excellence is validated by prestigious certifications such as the Health & Safety Management System Certificate, the Environmental Management System Certificate, and the ISO 9001 Quality System Certificate. These certifications reflect our dedication to maintaining the highest standards of safety, environmental responsibility, and quality in every product we offer.
Our pioneering advancements in membrane technology are protected by an array of patents, including the Invention Patent for Membranes Production, the Invention Patent for Multi-layer RO Membrane, and Utility Model Patent Certificates. These patents underscore our innovative prowess and dedication to providing cutting-edge solutions in water treatment.
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 momentous year in the chronicles of Proshare as the Proshare PhD. team, spearheaded by the distinguished Dr. Lin Xiaofeng, a luminary in the National Major Talent Introduction Project, made their triumphant return to China.
2017 - The year Proshare firmly established its headquarters in Nanopolis Suzhou, an illustrious hub renowned as the world's largest community dedicated to the industrial application of nanotechnology.
2018 - Proshare embarked on a groundbreaking journey by setting up its first meticulously designed TFN coating production line, heralding the commencement of mass production.
2019 -PSI MEMBRANE® achieved a remarkable feat by successfully replacing imported nanofiltration membrane products. It has been consistently applied in diverse fields such as textile wastewater, landfill leachate, high salt & COD wastewater, and various other critical environmental protection sectors. Proshare also proudly became the pioneering domestic supplier of high-end household nanofiltration water purifiers.
2020 - Proshare unveiled the SPEC series of customized membranes tailored for major environmental engineering enterprises, successfully catering to the needs of several publicly traded companies.
2021 - Proshare's journey of excellence continued as it became an esteemed qualified supplier for Sinopec, providing innovative integrated TFN membrane solutions specifically designed for the petrochemical sector.
2022 - Marking a year of exponential growth, Proshare established subsidiaries across Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, extending their services to a broader clientele, and emerging as the premier domestic supplier in cutting-edge industries such as synthetic biology, lithium battery, and copper foil production, among others.
2023 - Proshare reached new heights by becoming the pioneering domestic seawater desalination membrane provider for prestigious international luxury cruise companies.
2024 - Great achievements lie in anticipation.