PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane, IncorporatedWith groundbreaking Thin Film Nanocomposite (TFN) technology, Our product significantly reduces the cost of desalination while ensuring superior water quality. It provides industry-leading salt rejection, perfectly suited for high salinity seawater applications.
- Enhances Flow by 30%:The TFN Leading technology excels in producing 30% more flow compared to conventional TFC membranes.
- High Rejection Rate of 99.85%:The innovative TFN technology on the surface ensures exceptional salt-rejection at lower pressures, offering unmatched efficiency.
- Reduced Cleaning Frequency:The TFN membrane showcases outstanding anti-fouling performance, drastically reducing microorganisms and inorganic pollution, which significantly lowers cleaning frequency.
- Wide Cleaning pH Range (1-13):Ensures the most effective cleaning performance, exceptional robustness, and durability owing to its broadest 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. Product flow rate and salt rejection efficiency are based on meticulously controlled test conditions:
Pro-SW-HR: Experience unparalleled purity with a feed water concentration of 32,000 ppm as NaCl, under a feed water pressure of 800 psi (5.5 MPa), and an optimal feed water temperature of 77 °F (25 °C). Achieve an impressive 8% recovery rate for each single membrane.
Pro-SW-HF: Elevate your water purification with feed water concentration set at 20,000 ppm as NaCl, maintaining a robust feed water pressure of 800 psi (5.5 MPa) and a stable feed water temperature of 77 °F (25 °C). Enjoy a remarkable 15% recovery rate for each single membrane.
2. Embrace flexibility with a product flow variation range of +/-20%; ensuring adaptability to diverse conditions.
3. The F34 model features a resilient fiberglass-wrapped case with an impressive mesh thickness of 34 mil. Additionally, we offer a variety of cases, meshes, and membrane elements tailored to your specific needs.
Operating Conditions: Parameters Sculpted for Performance
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 influenced by the inlet water's temperature and pH. For operational excellence, when the inlet water temperature exceeds 35°C and/or the pressure surpasses 69 bar, please consult your dedicated account manager.
c. The pH limit for continuous operation correlates with the temperature and pressure of the inlet water, safeguarding efficient functionality.
SIZE: mm - Precision Engineered for Excellence
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 unparalleled innovation with super smooth surfaces and ultra hydrophilic properties, setting new standards in water purification technology.


Seawater Desalination: Our cutting-edge solutions ensure the highest quality in transforming seawater into fresh and drinkable water. Zero Discharge of Latex Wastewater: Achieve an eco-friendly process by eliminating latex wastewater discharge without compromising on performance. Copper Foil Industry Wastewater Treatment: Experience enhanced efficiency in treating wastewater within the copper foil industry, ensuring sustainability and compliance with environmental regulations.
New Energy Industry: Propel your advancements in the new energy sector with our innovative solutions, crafted to support sustainable growth and efficiency. Sulfuric Acid Purification and Recovery: Benefit from our state-of-the-art purification and recovery systems for sulfuric acid, optimizing your processes for maximum output and minimal waste. Lithium Extraction from Salt Lake: Unlock the potential of salt lake resources with our advanced lithium extraction technology, designed to deliver exceptional performance and reliability.
Our company proudly holds several prestigious certifications that underscore our commitment to excellence and sustainability. We have achieved the Health & Safety Management System Certificate, ensuring the highest standards of workplace safety. Additionally, we are honored to possess the Environmental Management System Certificate, reflecting our dedication to environmental responsibility. Moreover, our adherence to top-tier quality practices is validated by the ISO 9001 Quality System Certificate.
We are innovators at the forefront of water purification technology, demonstrated by our portfolio of patents. We hold a revered Invention Patent for Membrane Production, showcasing our cutting-edge advancements. Our pioneering work in developing the Multi-layer RO Membrane has earned us another distinguished Invention Patent. Furthermore, our commitment to practical and efficient design is evidenced by our 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 - Pioneering the wave of innovation, Proshare's esteemed PhD team, spearheaded by the visionary Dr. Lin Xiaofeng, a luminary of the National Major Talent Introduction Project, triumphantly returned to China, ready to redefine excellence.
2017 - Proshare proudly established its headquarters in Nanopolis Suzhou, a prestigious hub for the world's most advanced nanotechnology industrial applications.
2018 - Proshare successfully inaugurated its premier and exclusively designed TFN coating production line, marking the commencement of mass production with unmatched quality assurance.
2019 -PSI MEMBRANE®, a groundbreaking innovation, seamlessly replaced imported nanofiltration membrane products. It became a staple in tackling textile wastewater, landfill leachate, and high salt & COD wastewater challenges, while also pioneering in the high-end household nanofiltration water purifier market as the leading domestic supplier.
2020 - Proshare strategically launched SPEC customized membranes, catered for large-scale environmental engineering enterprises, successfully partnering with numerous listed companies to deliver tailored solutions.
2021 - Proshare elevated its status as a qualified supplier for Sinopec, providing integrated TFN membrane solutions specifically designed for the petrochemical industry, setting new standards in efficiency.
2022 - Proshare expanded its reach with subsidiaries established in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, extending exceptional service to clients and emerging as the premier domestic supplier within emerging industries including synthetic biology, lithium battery technology, and copper foil production,among others.
2023 - Proshare achieved a milestone as the first domestic supplier of seawater desalination membranes for renowned international luxury cruise companies, solidifying its global footprint.
2024 - Excitement builds as we anticipate further groundbreaking achievements on the horizon.