PSI MEMBRANE® Pro-SW-HR seawater RO membrane,incorporatedwith groundbreaking Thin Film Nanocomposite (TFN) technology, drastically reduce desalination costs while ensuring superior water quality. Delivers industry-leading salt rejection, perfectly suited for high salinity seawater applications.
- Produce 30% more flow:TFN Leading technology is engineered to produce 30% more flow than conventional TFC membranes.
- High rejection rate 99.85%:TFN's pioneering technology on the membrane surface ensures exceptional salt-rejection even at lower pressures.
- Less Cleaning Frequency:The TFN membrane's exceptional anti-fouling performance significantly reduces microorganisms and inorganic pollutants, contributing to less frequent cleaning requirements.
- Wide Cleaning pH (1-13) Range:Offers unmatched cleaning performance, robustness, and durability with its extensive 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. Official Flow Rate & Salt Rejection Testing Conditions: Meticulously Designed for Accurate Results
Pro-SW-HR: Rigorous testing reveals a feed water concentration of 32,000 ppm as NaCl, a robust pressure of 800 psi (5.5 MPa), with a steady feed temperature of 77°F (25°C). Achieving an impressive 8% recovery rate per membrane.
Pro-SW-HF: Experience enhanced performance with a feed concentration of 20,000 ppm as NaCl, maintaining a feed pressure of 800 psi, and a consistent temperature of 77°F (25°C). Enjoy a remarkable 15% recovery rate per membrane.
2. Flow Variation Range: Expect a precise flow deviation of +/- 20%, ensuring reliability and efficiency.
3. F34 Case Specification: A durable fiberglass wrap with a mesh thickness of 34 mil, plus versatile options for casing, mesh, and membrane elements to suit your needs.
Operating Conditions: Tailored to Maximize 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. Maximum Operating Temperature: Correlates directly with pressure and pH levels, ensuring optimal performance.
b. Maximum Operating Pressure: Adapts to the temperature and pH of inlet water. For temperatures above 35°C or pressures over 69 bar, consult your account manager.
c. Continuous Operation pH Limit: Directly influenced by inlet water temperature and operating pressure for peak efficiency.
DIMENSIONS: mm - Precision engineered for perfect fit and function.
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: Explore the advantages of a super smooth surface combined with ultra-hydrophilic properties for unmatched performance.


Seawater Desalination: Our high-performance solution ensures exceptional purity and reliability for marine water conversion. Experience zero discharge with our innovative technology in latex wastewater treatment. Enhance your copper foil manufacturing process with our advanced wastewater management solution.
New Energy Industry Solutions: Revolutionize your operations with our cutting-edge sulfuric acid purification and recovery systems. Optimize lithium extraction from salt lakes with unparalleled efficiency and sustainability.
Our dedication to excellence is reflected in our extensive certifications, including the Health & Safety Management System Certificate, the Environmental Management System Certificate, and the ISO9001 Quality System Certificate. Each badge of honor symbolizes our unwavering commitment to quality, safety, and environmental responsibility.
We are pioneers in innovation, proudly holding an array of prestigious patents. These include the Invention Patent for Membrane Production, the cutting-edge Invention Patent for the Multi-layer RO Membrane, and several Utility Model Patent Certificates, all testifying to our leadership in membrane technology.
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 leadership of Dr. Lin Xiaofeng, a distinguished expert in the National Major Talent Introduction Project, the formidable Proshare PhD. team made a triumphant return to China.
2017 - Proshare established its headquarters in Nanopolis Suzhou, the globally acclaimed hub for nanotechnology industrial applications.
2018 - Proshare inaugurated its pioneering TFN coating production line, commencing mass production to cater to various industrial needs.
2019 -PSI MEMBRANE® made remarkable strides by successfully replacing imported nanofiltration membrane products. These were effectively deployed in diverse environmental protection fields such as textile wastewater treatment, landfill leachate management, and high salt & COD wastewater processing. Proshare also marked a milestone by becoming the first domestic provider of premium household nanofiltration water purifiers.
2020 - Proshare unveiled its SPEC customized membrane, designed for large-scale environmental engineering enterprises, proudly serving numerous listed corporations.
2021 - Proshare emerged as a trusted supplier for Sinopec, offering integrated TFN membrane solutions tailored for the petrochemical industry.
2022 - With the establishment of subsidiaries in Shenzhen City, Hunan Province, Fujian Province, and Jiangxi, Proshare extended its exemplary services to an expansive clientele, becoming the premier domestic supplier in emerging industries such as synthetic biology, lithium battery production, and copper foil manufacturing,among others.
2023 - Proshare garnered the distinction of being the first domestic supplier of seawater desalination membranes, catering to the elite international luxury cruise sector.
2024 - Exciting prospects on the horizon!