PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane,incorporatedfeaturing groundbreaking Thin Film Nanocomposite (TFN) technology, designed to revolutionize the cost-effectiveness of desalination while achieving unparalleled water purity. It offers industry-leading salt rejection, perfectly suited for high-salinity seawater applications.
- Generates 30% More Flow:Harnessing TFN's cutting-edge technology to deliver an impressive 30% increase in flow compared to traditional TFC membranes.
- Exceptional Rejection Rate 99.85%:The innovative TFN technology on the surface ensures remarkable salt rejection performance with reduced pressure requirements.
- Reduced Cleaning Frequency:The TFN membrane's exceptional anti-fouling capabilities significantly minimize microbial and inorganic contamination, leading to a dramatic reduction in cleaning frequency.
- Wide Cleaning pH Range (1-13):Delivers unparalleled cleaning efficiency, robustness, and longevity due to its extensive cleaning pH range, along with 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 rate are meticulously determined under optimal test conditions:
Pro-SW-HR: Experience an exceptional feed water concentration of 32,000 ppm as NaCl, with a robust feed water pressure of 800 psi (5.5 MPa), all maintained at a standard feed water temperature of 77 °F (25 °C). Enjoy a recovery rate of 8% for each single membrane.
Pro-SW-HF: Benefit from a feed water concentration of 20,000 ppm as NaCl, coupled with a strong feed water pressure of 800 psi (5.5 MPa), and a consistent feed water temperature of 77 °F (25 °C). Achieve an impressive recovery rate of 15% for each single membrane.
2. Experience a variation range of product flow by +/-20%, ensuring adaptability and performance consistency.
3. The F34 features a fiberglass wrapped case with a distinguished mesh thickness of 34 mil. Additionally, we offer a variety of case, mesh, and membrane element options to suit your needs.
Operating Conditions: Tailored to Precision
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 intricately relates to the operating pressure and pH, demonstrating the product's adaptability.
b. The maximum operating pressure is influenced by the temperature and pH of the inlet water. Should the inlet water temperature exceed 35°C or the inlet water pressure surpass 69 bar, please engage with your dedicated account manager for guidance.
c. The pH limit for continuous operation is intricately tied to the inlet water temperature and operating pressure, ensuring optimal performance.
SIZE: mm - Dimensions Crafted 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: Enjoy the benefits of a super smooth surface and ultra hydrophilic properties, setting new standards in efficiency and performance.


Seawater Desalination: Revolutionizing the way we purify ocean water, ensuring pristine results. Exceptional Zero Discharge Solutions: Achieve unparalleled efficiency in the management and treatment of latex wastewater, leaving no trace behind. Copper Foil Industry Wastewater Treatment: Advanced technologies designed to transform copper foil wastewater into reusable resources, promoting sustainability and environmental responsibility.
New Energy Industry: At the forefront of innovation, driving the future of clean and sustainable energy solutions. Sulfuric Acid Purification and Recovery: Cutting-edge processes to maximize the purity and recovery of sulfuric acid, optimizing your operations. Lithium Extraction from Salt Lake: Harness the power of nature for efficient and sustainable lithium extraction, fueling the energy revolution.
Our distinguished suite of certifications includes: the esteemed Health & Safety Management System Certificate, the comprehensive Environmental Management System Certificate, and the prestigious ISO9001 Quality System Certificate. These accolades are a testament to our unwavering commitment to excellence, sustainability, and quality assurance.
Our pioneering innovations are backed by an impressive array of patents: the groundbreaking Invention Patent for Membranes Production, the advanced Invention Patent for Multi-layer RO Membrane, and the cutting-edge Utility Model Patent Certificates. These achievements underscore our dedication to technological advancement and industry leadership.
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 - A landmark year as the esteemed Proshare PhD. team, under the inspired leadership of Dr. Lin Xiaofeng, a luminary recognized by the National Major Talent Introduction Project, proudly returned to China, igniting a new era of innovation and excellence.
2017 - A strategic move saw Proshare establish its headquarters in Nanopolis Suzhou, the world's largest hub for cutting-edge nano technology industrial applications, positioning itself at the forefront of technological advancement.
2018 - In a remarkable stride forward, Proshare set up its first exclusively designed TFN coating production line, heralding the start of mass production, ready to meet the demands of a burgeoning market.
2019 -PSI MEMBRANE® achieved a groundbreaking feat by seamlessly replacing imported nanofiltration membrane products. It has proven its reliability in diverse applications, such as treating textile wastewater, landfill leachate, and managing high salt & COD wastewater, as well as many other pivotal environmental protection domains. Proshare also proudly emerged as the first domestic provider of high-end household nanofiltration water purifiers.
2020 - Proshare introduced the SPEC customized membrane, tailored for expansive environmental engineering enterprises, successfully collaborating with numerous listed companies and solidifying its market presence.
2021 - Proshare enhanced its prestige by becoming a certified supplier for Sinopec. It provided comprehensive TFN membrane solutions catering to the intricate needs of the petrochemical industry, setting new benchmarks in service and reliability.
2022 - Marking a significant expansion, Proshare established subsidiaries in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, thereby extending its reach and services to a broader clientele. It became the premier domestic supplier for burgeoning industries such as synthetic biology, lithium batteries, and copper foil productionamong others, carving a niche in these emerging sectors.
2023 - Proshare solidified its industry leadership by becoming the first domestic supplier of seawater desalination membranes to international luxury cruise companies, marking a significant milestone in its global expansion strategy.
2024 - The future looks promising with exciting prospects on the horizon.