PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane, IncorporatedEnhanced with cutting-edge Thin Film Nanocomposite (TFN) technology, designed to reduce desalination expenses while ensuring outstanding water quality. Offers industry-leading salt rejection levels, making it ideal for applications involving high-salinity seawater.
- Delivers 30% Increased Flow:Our TFN Leading technology is engineered to generate 30% more flow compared to standard TFC membranes.
- Exceptional Rejection Rate of 99.85%:The TFN innovative surface technology ensures superior salt-rejection at reduced pressure levels.
- Reduced Cleaning Frequency:The TFN membrane's remarkable anti-fouling ability significantly minimizes microorganisms and inorganic pollutants, leading to a decreased need for cleaning.
- Extensive Cleaning pH Range (1-13):Delivers unmatched cleaning efficacy, strength, and longevity, thanks to its broadest cleaning pH range and superb 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. Experience the ultimate in performance with our product flow rate and salt rejection rate, meticulously engineered under the following precise test conditions:
Pro-SW-HR: Feed water with a concentration of 32,000 ppm as NaCl, subjected to a formidable feed water pressure of 800 psi (5.5 MPa), and maintained at an optimal feed water temperature of 77 °F (25 °C). Achieve a remarkable recovery rate of 8% for each high-efficiency single membrane.
Pro-SW-HF: Feed water concentration at 20,000 ppm as NaCl, driven by an unyielding feed water pressure of 800 psi (5.5 MPa), and stabilized at a precise feed water temperature of 77 °F (25 °C). Experience an impressive 15% recovery rate for each advanced single membrane.
2. Expect a dynamic variation range of product flow, precisely measured at +/-20%, ensuring flexibility and adaptability in performance.
3. F34 is ingeniously designed with a robust fiberglass wrapped case, boasting a mesh thickness of 34 mil. We offer an array of additional case types, mesh configurations, and membrane elements to cater to diverse application needs.
Operating Condition:
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 and safety.
b. The maximum operating pressure is delicately balanced with the temperature and pH of the inlet water. For conditions where the inlet water temperature surpasses 35°C and/or the inlet water pressure exceeds 69 bar, please liaise with your dedicated account manager for tailored advice.
c. The pH limit for continuous operation is expertly calibrated in relation to the inlet water temperature and operating pressure, ensuring seamless 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 a super smooth surface that is complemented by ultra-hydrophilic properties, enhancing performance and efficiency.


Seawater Desalination: An advanced solution for turning the infinite ocean into a boundless resource, catering to the world's thirst for fresh water. Zero Discharge of Latex Wastewater: Achieve sustainable operations with our cutting-edge technology to ensure no latex wastewater discharge. Copper Foil Industry Wastewater Treatment: Revolutionizing the copper foil industry with our state-of-the-art wastewater treatment, paving the way for cleaner production processes.
New Energy Industry: Propel your energy solutions into the future with our innovative applications tailored for the new energy sector. Sulfuric Acid Purification and Recovery: Boost efficiency and sustainability by purifying and recovering sulfuric acid, minimizing waste and costs. Lithium Extraction from Salt Lake: Unlock the potential of salt lakes with our sophisticated technology for efficient lithium extraction, meeting the demands of the booming battery market.
Our company proudly holds several prestigious certifications, which stand as a testament to our commitment to excellence and safety. We have achieved the Health & Safety Management System Certificate, ensuring that we adhere to top-tier safety protocols. Our dedication to environmental responsibility is reflected in our Environmental Management System Certificate. Furthermore, our ISO9001 Quality System Certificate underscores our unwavering commitment to quality assurance.
In the realm of innovation, Proshare Innovation Suzhou Co., Ltd. is at the forefront, boasting a notable Invention Patent for Membrane Production. We are pioneers with our Invention Patent in crafting cutting-edge Multi-layer RO Membranes. Additionally, our Utility Model Patent Certificates showcase our expertise in developing practical and effective industrial solutions.
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 - Embarking on an exciting journey, Proshare, under the visionary leadership of Dr. Lin Xiaofeng, a distinguished expert from the National Major Talent Introduction Project, made its return to China, setting the stage for groundbreaking innovations.
2017 - Proshare strategically positioned its headquarters in the illustrious Nanopolis Suzhou, acclaimed as the world's largest nanotechnology industrial application community, paving the way for cutting-edge advancements.
2018 - Proshare inaugurated its inaugural, exclusively designed TFN coating production line, ushering in a new era of mass production excellence.
2019 -PSI MEMBRANE® emerged, successfully revolutionizing the market by replacing imported nanofiltration membrane products. It found stable applications in diverse fields such as textile wastewater treatment, landfill leachate management, high salt & COD wastewater, and a myriad of other environmental protection arenas. Moreover, Proshare proudly became the first domestic supplier of high-end household nanofiltration water purifiers.
2020 - Proshare unveiled the SPEC customized membrane, tailored specifically for large-scale environmental engineering enterprises, and successfully partnered with numerous listed companies to achieve remarkable impact.
2021 - Proshare attained the status of a qualified supplier for Sinopec, providing unparalleled integrated TFN membrane solutions tailored for the petrochemical industry, reinforcing its reputation as a leader in innovation.
2022 - Proshare expanded its horizons with the establishment of subsidiaries in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, extending exceptional service to a broader spectrum of customers and achieving the distinction of being the first domestic supplier in emerging industries such as synthetic biology, lithium battery, and copper foil sectors , among others..
2023 - Proshare proudly emerged as the first domestic supplier of seawater desalination membranes for the prestigious international luxury cruise industry, setting new benchmarks for excellence.
2024 - Exciting developments are on the horizon, promising to usher in a new era of innovation and growth.