PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane, IncorporatedShowcasing our groundbreaking Thin Film Nanocomposite (TFN) technology, designed to drastically reduce desalination costs while delivering unparalleled water quality. This filter element boasts industry-leading salt rejection, making it ideal for high-salinity seawater applications.
- Achieve 30% Greater Flow Efficiency:Leveraging TFN's pioneering technology, this membrane delivers an impressive 30% increase in flow compared to traditional TFC membranes.
- Unmatched High Rejection Rate of 99.85%:With TFN's advanced surface innovations, experience exceptional salt rejection at reduced pressure levels, ensuring efficiency and reliability.
- Reduced Cleaning Intervals:The TFN membrane excels in anti-fouling properties, significantly diminishing microbial and inorganic contaminations, thus minimizing the frequency of cleanings.
- Extensive Cleaning pH (1-13) Range:Offering the broadest pH range for cleaning, this technology ensures optimal performance, resilience, and longevity with remarkable 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's remarkable flow rate and exceptional salt rejection rate are derived from the following precise test conditions:
Pro-SW-HR: Experience optimal performance with a feed water concentration of 32,000 ppm as NaCl. Operate under a feed water pressure of 800 psi (5.5 MPa) at a stable feed water temperature of 77 °F (25 °C), ensuring an 8% recovery rate for each single membrane, crafted for efficiency.
Pro-SW-HF: Designed for high efficacy, this model handles a feed water concentration of 20,000 ppm as NaCl. It operates with a feed water pressure of 800 psi (5.5 MPa) and a consistent feed water temperature of 77 °F (25 °C), achieving a remarkable 15% recovery rate per single membrane.
2. Embrace flexibility with a product flow variation range of +/-20%; designed to cater to diverse operational needs.
3. F34 features a robust fiberglass wrapped case with a mesh thickness of 34 mil. We offer a variety of cases, meshes, and membrane elements to meet your unique 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 operating temperature is intricately linked to the operating pressure and pH, ensuring optimal performance.
b. The maximum operating pressure is related to both the temperature and pH of the inlet water. Should the inlet water temperature exceed 35°C or if the inlet water pressure surpasses 69 bar, please contact your account manager for tailored advice.
c. The pH limit for continuous operation is closely connected to the inlet water temperature and operating pressure, ensuring reliable and efficient 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: Enjoy the benefits of a super smooth surface and ultra-hydrophilic properties, maximizing efficiency and performance.
Seawater desalination: A revolutionary approach to turning the boundless ocean into a source of pure, drinkable water. Zero discharge of latex wastewater: Achieving environmental excellence with cutting-edge technology, eliminating all harmful discharges. Copper foil industry wastewater treatment: Leading the way in sustainable manufacturing, our solutions ensure clean and efficient water treatment.
New energy industry: Pioneering advancements that drive the future of cleaner and more sustainable energy solutions. Sulfuric acid purification and recovery: Elevating resource efficiency with state-of-the-art purification methods to reclaim and reuse valuable materials. Lithium extraction from salt lake: Harnessing natural resources with innovative techniques to extract lithium effectively, supporting the growing demand for renewable energy sources.
Our commitment to excellence is backed by a suite of prestigious certifications. We proudly hold a Health & Safety Management System Certificate, ensuring that our processes are designed to protect both our team and the environment. Complementing this, we have an Environmental Management System Certificate, demonstrating our dedication to sustainable practices. Additionally, our ISO9001 Quality System Certificate is a testament to our rigorous quality control and assurance protocols.
Innovation is at the heart of our company, as evidenced by our impressive array of patents. We hold an Invention Patent for cutting-edge membrane production, underlining our role as pioneers in the field. Furthermore, our Invention Patent for multi-layer RO membrane technology highlights our advancements in water filtration. We also boast Utility Model Patent Certificates, showcasing our commitment to creating practical, efficient solutions for complex challenges.
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 - The distinguished team of Proshare, spearheaded by the esteemed Dr. Lin Xiaofeng, an illustrious figure in the National Major Talent Introduction Project, proudly returned to China to embark on a groundbreaking journey.
2017 - Proshare strategically positioned its headquarters in Nanopolis Suzhou, an epicenter of innovation, renowned as the world's largest community dedicated to the industrial application of nanotechnology.
2018 - Proshare established its pioneering and exclusive TFN coating production line, commencing mass production with unparalleled precision and excellence.
2019 -PSI MEMBRANE®, the revolutionary product that triumphantly supplanted imported nanofiltration membranes, seamlessly applied across various sectors such as textile wastewater, landfill leachate, and high salt & COD wastewater. Proshare also emerged as the premier domestic provider of high-end household nanofiltration water purifiers.
2020 - Proshare proudly unveiled its SPEC customized membrane, masterfully designed for leading environmental engineering enterprises, successfully serving numerous esteemed listed companies.
2021 - Proshare achieved recognition as a qualified supplier for Sinopec, delivering integrated TFN membrane solutions tailored to the petrochemical industry, establishing a new benchmark for excellence.
2022 - Proshare expanded its influence by establishing subsidiaries in Shenzhen City, Hunan Province, Fujian Province, and Jiangxi, enhancing service outreach. Proshare became the pioneering domestic supplier within emerging industries such as synthetic biology, lithium battery technology, and copper foil production,among others.
2023 - Proshare achieved a monumental milestone by becoming the first domestic supplier of seawater desalination membranes, catering to the prestigious international luxury cruise market.
2024 - Exciting prospects await as we anticipate further groundbreaking advancements.
Audited Supplier 
){kind=link}