New CIBSE Approved CPD: Sizing of Pressure Reducing Valves

A new  CIBSE Approved CPD course has been unveiled, 'Sizing of Pressure Reducing Valves', on the free-to-access Altecnic Academy digital platform.

This newly developed CPD supports Altecnic’s mission to drive professional standards across the plumbing and heating industry, offering engineers and designers deeper insight into the correct selection and sizing of Pressure Reducing Valves (PRVs) for modern water systems.

Learners will discover how correct Pressure Reducing Valve sizing can significantly enhance system performance and efficiency whilst gaining practical insights and expert knowledge to proactively prevent common issues and optimise outcomes from design through to construction and commissioning. Key learning outcomes include:

• The importance of correct sizing: Understand how over- or under-sizing can lead to noise, cavitation, equipment wear, or fluctuating pressure.
• Flow rate calculation: Learn how to calculate design flow rates using appliance counts, usage factors, and standards such as BS 8558:2015.
• Selecting suitable PRVs: Apply manufacturer data, pressure drop graphs, and flow velocity formulas to choose the most appropriate valve.
• Avoiding oversizing: Explore how to keep PRVs within their operating range to maintain long-term system stability.
• Advanced system configurations: Discover when to apply two-stage PRV setups and how to incorporate by-pass PRVs for variable flow demand.

This CPD forms part of Altecnic Academy’s growing portfolio of on-demand training, which already includes nine CIBSE-approved CPDs covering critical industry topics such as ‘Legionella Considerations When Reactivating Buildings’ and ‘System Design for Efficiency Using Electronic Intelligent HIUs’.

Helen Cooper, Head of Marketing at Altecnic, said:

“At Altecnic, we’re committed to helping industry professionals keep pace with evolving best practices and technical knowledge. With this new CPD on PRVs, we address a common but critical issue that impacts water system performance across a wide range of buildings. Our digital CPD platform makes it easy for engineers, designers, and specifiers to access high-quality learning when and where it suits them.”

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