PSI MEMBRANE® Pro-SW-HR Seawater RO Membrane,incorporatedwith pioneering Thin Film Nanocomposite (TFN) technology, this breakthrough reduces the cost of desalination while ensuring exceptional water quality. It offers industry-leading salt rejection, ideal for applications with high salinity seawater.
- Generates 30% More Flow:Our TFN Leading technology is capable of producing 30% more flow compared to traditional TFC membranes.
- High Rejection Rate of 99.85%:The TFN's innovative surface technology ensures outstanding salt rejection with reduced pressure requirements.
- Reduced Cleaning Frequency:The TFN membrane's remarkable anti-fouling capabilities significantly decrease microorganism and inorganic contamination, greatly reducing cleaning frequency.
- Wide Cleaning pH Range (1-13):Ensures effective cleaning performance, enduring robustness, and longevity due to its extensive cleaning pH range 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. Product flow rate and salt rejection rate, essential metrics for our product's efficiency, were meticulously measured under the following controlled test conditions:
Pro-SW-HR: Experience exceptional results with a feed water concentration of 32000 ppm as NaCl, operating at a robust feed water pressure of 800 psi (5.5 MPa), and a stable feed water temperature of 77 ° F (25 ° C). Enjoy an impressive recovery rate of 8% for each single membrane, ensuring efficient water treatment.
Pro-SW-HF: Achieve superior performance with a feed water concentration of 20000 ppm as NaCl, maintaining a strong feed water pressure of 800 psi (5.5 MPa), and an optimal feed water temperature of 77 ° F (25 ° C). Benefit from an outstanding recovery rate of 15% for each single membrane, perfect for effective water purification.
2. The variation range of product flow is +/-20%, offering flexibility and adaptability to meet diverse application needs.
3. The F34 fiberglass wrapped case, with an intricate mesh thickness of 34 mil, highlights our commitment to quality. We offer additional types of cases, meshes, and membrane elements to cater to specific requirements.
Operating Conditions: Essential Guidelines for Optimal Use
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 intrinsically linked to the operating pressure and pH, ensuring the product performs optimally.
b. The maximum operating pressure is contingent upon the temperature and pH of the inlet water. If the inlet water temperature exceeds 35°C and/or the inlet water pressure surpasses 69 bar, please reach out to your dedicated account manager for tailored advice.
c. The pH limit for continuous operation is dependent on the inlet water temperature and operating pressure, designed to maintain seamless functionality.
SIZE: mm - Precision Dimensions for Seamless Integration
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: Featuring a super smooth surface and ultra hydrophilic properties, our product ensures efficient and reliable performance.


Seawater desalination: Unlock the immense possibilities of our technology, revolutionizing water treatment with precise seawater desalination techniques. Achieve zero discharge in latex wastewater management, setting a new benchmark in sustainability. Our advanced solutions also pioneer exceptional copper foil industry wastewater treatment, ensuring efficient and eco-friendly operations.
New energy industry: Propel your business into the future with our cutting-edge applications in the new energy sector, driving innovation and efficiency. Experience flawless sulfuric acid purification and recovery processes, tailored to elevate your operations. Discover the seamless integration of lithium extraction technology from salt lakes, enhancing resource efficiency and sustainability.
Proshare Innovation Suzhou Co., Ltd. proudly holds the following prestigious certifications: Health & Safety Management System Certificate, Environmental Management System Certificate, and the ISO 9001 Quality System Certificate. These accolades are a testament to our unwavering commitment to maintaining the highest standards of quality, safety, and environmental stewardship.
We are at the forefront of innovation with several pioneering patents in our portfolio. Our achievements include the Invention Patent for Membrane Production, Invention Patent for Multi-layer RO Membrane, and esteemed Utility Model Patent Certificates. These patents underscore our dedication to advancing water treatment technology through groundbreaking research and development.
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 - Under the visionary leadership of Dr. Lin Xiaofeng, a distinguished expert part of the National Major Talent Introduction Project, Proshare's PhD team triumphantly returned to China, marking the dawn of a new era.
2017 - As a testament to its innovative spirit, Proshare established its headquarters in Nanopolis Suzhou, recognized as the world's foremost community for nano technology industrial applications.
2018 - Proshare proudly introduced its inaugural, exclusively designed TFN coating production line and commenced mass production, setting new industry standards.
2019 -PSI MEMBRANE® This groundbreaking product not only successfully superseded imported nanofiltration membranes but also proved its mettle in handling textile wastewater, landfill leachate, high salt & COD wastewater, along with diverse environmental conservation needs. Proshare emerged as the pioneering domestic supplier of premium household nanofiltration water purifiers.
2020 - In a bold move, Proshare introduced SPEC customized membranes tailored for leading environmental engineering firms, earning the trust and accolades of numerous publicly traded companies.
2021 - Proshare achieved a significant milestone by becoming a qualified supplier for Sinopec, offering innovative integrated TFN membrane solutions specifically designed for the petrochemical sector, thereby redefining industry benchmarks.
2022 - Proshare expanded its reach by establishing subsidiaries in Shenzhen, Hunan, Fujian, and Jiangxi, broadening customer service capabilities and distinguishing itself as the first domestic supplier in burgeoning fields such as synthetic biology, lithium battery technology, and copper foilamong others.
2023 - Proshare ascended to a new pinnacle by becoming the first domestic seawater desalination membrane provider for prestigious international luxury cruise lines, heralding a new chapter in global water treatment solutions.
2024 - Exciting prospects lie ahead, as we eagerly anticipate further groundbreaking achievements.