Case Study Precision Flow Measurement for Reverse Osmosis Water Treatment

Application: Reverse Osmosis (RO) Water Systems

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Sector: Water & Utilities

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Application Overview

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Accurate flow measurement plays a critical role in reverse osmosis (RO) water treatment systems, where precise control is essential to protect membranes, optimise energy usage and maintain consistent water quality.

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In a large-scale RO installation in Greece, electromagnetic flowmeters from one of Total Pressure Solutions’ flow measurement manufacturing partners were successfully deployed to support the production of drinking water in a demanding operating environment.

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This reference application demonstrates the performance and reliability of flow measurement technology regularly specified and supported by Total Pressure Solutions (TPS) across the UK and European markets.

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The Application

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Reverse osmosis uses semi-permeable membranes to remove salts, ions and unwanted contaminants from water. Maintaining stable and accurate flow rates is vital to ensure:

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• Membrane protection and longevity

• Consistent system performance

• Efficient energy consumption

• Reliable water quality output

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In this installation, electromagnetic flowmeters were used to monitor flow rates throughout the RO process, providing continuous, accurate measurement data to support effective system control.

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The Technology

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Electromagnetic flowmeters are particularly well suited to RO and water treatment applications due to their non-intrusive measurement principle and ability to handle conductive fluids.

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Key characteristics include:

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• High accuracy and repeatability

• No moving parts, reducing wear and maintenance

• No pressure loss or obstruction to flow

• Suitability for seawater and corrosive media

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These features make electromagnetic flow measurement a proven solution for desalination and potable water production applications.

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Key Benefits Delivered

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1. High-precision flow measurement for improved RO process control

2. Robust, non-intrusive design suited to harsh and corrosive environments

3. Real-time monitoring to enhance system reliability and performance

4. Reduced maintenance requirements, improving operational efficiency

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The TPS Difference

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While this installation was delivered outside the UK, it reflects the type of flow measurement solutions Total Pressure Solutions supports on a daily basis.

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As specialists in measurement instrumentation, TPS works closely with customers to:

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• Select the most appropriate flow measurement technology

• Ensure suitability for the application, media and operating conditions

• Provide expert technical advice and ongoing support

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Rather than simply supplying products, TPS acts as a trusted technical partner — helping customers achieve accurate measurement, reliable performance and long-term confidence in their instrumentation.

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Talk to the Experts

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If you are working on a reverse osmosis or water treatment application, Total Pressure Solutions can advise on flow measurement solutions tailored to your process.

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Contact our experienced team to discuss your requirements and ensure the right instrumentation is specified first time.

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