PSI MEMBRANE® Pro-SW-HR Seawater Reverse Osmosis (RO) Membrane,incorporatedwith cutting-edge Thin Film Nanocomposite (TFN) technology, Revolutionize the desalination process by significantly reducing costs while ensuring unmatched water quality. This product offers an industry-leading salt rejection rate, making it perfectly suited for applications involving high-salinity seawater.
- Achieve 30% Increased Water Flow:Leverage TFN Leading Technology, capable of producing 30% more flow compared to traditional TFC membranes.
- High Rejection Rate of 99.85%:Our TFN innovative surface technology ensures exceptional salt rejection, even at lower pressures.
- Reduced Cleaning Frequency:Thanks to the TFN membrane's superior anti-fouling characteristics, it dramatically reduces both microbial and inorganic pollution, leading to a notable decrease in cleaning frequency.
- Wide Cleaning pH Range (1-13):Delivers unparalleled cleaning efficiency, robustness, and longevity due to its extensive pH range for cleaning and exceptional 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. Imagine a product that marries efficiency with precision; our product flow rate and salt rejection rate are meticulously determined under these premier test conditions:
Pro-SW-HR: Experience unmatched performance with a feed water concentration of 32,000 ppm (as NaCl), pressure of 800 psi (5.5 MPa), and a comfortably warm feed water temperature of 77°F (25°C), achieving an impressive recovery rate of 8% per single membrane unit.
Pro-SW-HF: Designed for excellence with a feed water concentration of 20,000 ppm (as NaCl), 800 psi (5.5 MPa) pressure, and the ideal feed water temperature of 77°F (25°C), boasting an enhanced recovery rate of 15% per each membrane.
2. Expect remarkable versatility with a product flow variation range of +/-20%, ensuring adaptability across diverse conditions.
3. The F34 model features a robust fiberglass wrapped case with a refined mesh thickness of 34 mil. Embrace flexibility with a variety of case, mesh, and membrane element options tailored to your 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. Elevate your operational capabilities knowing that the maximum operating temperature is finely balanced with the pressure and pH, optimizing performance.
b. Our system's resilience is defined by the synergy between temperature and pH of the inlet water. Should your requirements surpass 35°C and/or 69 bar, our dedicated account managers are ready to assist.
c. Continuous operation achieves optimal efficiency within specific pH limits, intricately linked to inlet water temperature and operating pressure.
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 |
A revolutionary flux comparison showcasing a super smooth surface and ultra-hydrophilic features, setting a new benchmark in operational excellence.


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Our company prides itself on its robust adherence to international standards, as evidenced by our prestigious certifications. We hold a Health & Safety Management System Certificate, bolstering the safety protocols within our operations. Additionally, our commitment to environmental stewardship is underscored by our Environmental Management System Certificate. Furthermore, our ISO9001 Quality System Certificate guarantees the highest quality assurance throughout our production processes.
Proshare Innovation Suzhou Co., Ltd. is at the forefront of innovation with our cutting-edge patents. We possess an Invention Patent for Membrane Production, highlighting our pioneering approach. Our Invention Patent for Multi-layer RO Membrane showcases our advanced technology in reverse osmosis solutions. Moreover, our Utility Model Patent Certificates further demonstrate our dedication to developing practical and novel applications.
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 groundbreaking move, the esteemed Proshare PhD team led by the illustrious Dr. Lin Xiaofeng, a celebrated expert of the National Major Talent Introduction Project, triumphantly returned to China.
2017 - Proshare made its mark by establishing its headquarters in the prestigious Nanopolis Suzhou, renowned as the world's largest nanotechnology industrial application hub.
2018 - Proshare boldly launched its first exclusively designed TFN coating production line and embarked on an impressive scale of mass production.
2019 - The groundbreakingPSI MEMBRANE® achieved an impressive milestone by successfully replacing imported nanofiltration membrane products. It demonstrated outstanding performance in diverse applications such as textile wastewater, landfill leachate, high salt & COD wastewater, and numerous other environmental protection fields. Proshare also proudly became the first domestic supplier of high-end household nanofiltration water purifiers.
2020 - Proshare unveiled its innovative SPEC customized membrane tailored for leading environmental engineering enterprises, achieving remarkable success by serving a distinguished array of listed companies.
2021 - Proshare earned its stripes as a qualified supplier for Sinopec, offering comprehensive integrated TFN membrane solutions to the petrochemical industry, setting a new standard in service and innovation.
2022 - Proshare extended its influence with the establishment of subsidiaries in Shenzhen City, Hunan Province, Fujian Province, and Jiangxi, expanding its reach and becoming the first domestic supplier in emerging industries such as synthetic biology, lithium battery, and copper foil, among others.
2023 - Proshare achieved another pinnacle by becoming the first domestic seawater desalination membranes supplier for the prestigious international luxury cruise companies.
2024 - A promising future awaits.