PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane, incorporatedwith cutting-edge Thin Film Nanocomposite (TFN) technology, designed to significantly reduce the cost of desalination while ensuring outstanding water quality. This product offers market-leading salt rejection, perfectly suited for high salinity seawater applications.
- Enhanced Flow Rate by 30%:Pioneering TFN technology enables a remarkable 30% increase in flow compared to traditional TFC membranes.
- Exceptional High Rejection Rate of 99.85%:The advanced TFN surface technology ensures superior salt-rejection with the benefit of lower pressure requirements.
- Reduced Cleaning Frequency:The TFN membrane's exceptional anti-fouling capability effectively minimizes microbial and inorganic contamination, leading to reduced cleaning frequency.
- Broad Cleaning pH Range (1-13):Delivers optimal cleaning efficiency, robustness, and longevity with its extensive cleaning pH range and excellent 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 flow rate and exceptional salt rejection rate are determined under these specific test conditions:
Pro-SW-HR: Under rigorous testing with a feed water concentration of 32,000 ppm as NaCl, an impressive feed water pressure of 800 psi (5.5 MPa), and a controlled feed water temperature of 77°F (25°C), achieving an 8% recovery rate for each single, powerful membrane.
Pro-SW-HF: Designed for excellence with a feed water concentration of 20,000 ppm as NaCl, alongside the robust feed water pressure of 800 psi (5.5 MPa), maintaining a stable feed water temperature of 77°F (25°C), and delivering a remarkable 15% recovery rate per single, efficient membrane.
2. Expect a variation range in product flow of +/-20%, ensuring flexibility and adaptability for various applications.
3. The F34 model features a durable fiberglass-wrapped case with a refined mesh thickness of 34 mil. Additionally, we offer a variety of case types, meshes, and membrane elements to meet diverse 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. Maximum operating temperature is intricately linked to the operating pressure and pH, ensuring optimal performance.
b. The maximum operating pressure is interdependent with the inlet water's temperature and pH. If the inlet water temperature surpasses 35°C or the inlet water pressure exceeds 69 bar, please reach out to your dedicated account manager for specialized advice.
c. Continuous operation pH limits are associated with the inlet water temperature and the existing operating pressure, maintaining efficiency and resilience.
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 transformative power of a super smooth surface combined with ultra hydrophilic properties, enhancing performance and utility.


Seawater Desalination Excellence: Dive into the purity of our state-of-the-art solutions for transforming seawater into fresh water. Achieve Zero Discharge: Master the art of environmental responsibility with our groundbreaking zero discharge technology for latex wastewater. Copper Foil Industry Wastewater Treatment: Experience unparalleled efficiency in treating copper foil industry wastewater, setting new standards in waste management.
Harness the Power of New Energy Industries: Our advanced technologies are revolutionizing the new energy sector. Sulfuric Acid Purification and Recovery: Witness the pinnacle of sulfuric acid purification and recovery with our exceptional solutions, designed for maximum efficiency and sustainability. Extract Lithium from Salt Lakes: Tap into the future with our cutting-edge lithium extraction processes from salt lakes, leading the charge in resource innovation.
Our prestigious certifications include: Health & Safety Management System Certificate, Environmental Management System Certificate, and the esteemed ISO9001 Quality System Certificate.
Our innovative capabilities are showcased through our patents, including the Invention Patent for Membrane Production, the Invention Patent for Multi-layer RO Membranes, and multiple Utility Model Patent Certificates.
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 - In a significant milestone, Proshare saw the return of its talented PhD team led by the visionary Dr. Lin Xiaofeng, a celebrated expert in the National Major Talent Introduction Project, marking the beginning of our journey in China.
2017 - Embarking on a path of innovation, Proshare established its headquarters in Nanopolis Suzhou, the world's largest hub for nano technology industrial applications, setting the stage for groundbreaking advancements.
2018 - Proshare made a strategic leap forward with the creation of its first exclusively designed TFN coating production line, ushering in a new era of mass production excellence.
2019 -PSI MEMBRANE® achieved a remarkable feat by successfully replacing imported nanofiltration membrane products. It became a staple in diverse sectors, including textile wastewater treatment, landfill leachate management, and high salt & COD wastewater purification. Additionally, PSI MEMBRANE® proudly became the first domestic provider of high-end household nanofiltration water purifiers.
2020 - Proshare took a pioneering step with the launch of SPEC customized membranes, catering to the unique needs of large environmental engineering enterprises and providing exemplary service to numerous listed companies.
2021 - Proshare was honored to become a qualified supplier for Sinopec, offering comprehensive integrated TFN membrane solutions tailored for the petrochemical industry, showcasing our expertise and innovation.
2022 - Proshare expanded its reach and influence with the establishment of subsidiaries in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi. This expansion allowed us to extend our exceptional service to a wider range of customers, becoming a leading domestic supplier in emerging industries such as synthetic biology, lithium battery production, and copper foil manufacturing,among others.
2023 - Proshare proudly became the first domestic supplier of seawater desalination membranes for international luxury cruise companies, marking a prestigious milestone in our journey.
2024 - Anticipating future achievements and innovations soon.