This publication explains how to design re-circulating heating or cooling water systems incorporating variable speed pumps. Correctly designed, these systems have the potential to deliver worthwhile energy savings over the lifetime of a building.
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Contents:
1. Introduction
2. Calculating pump energy savings
3. Sizing control valves
- Cavitation
4. System design options
- Self-balancing layouts
- Differential pressure control valves (DPCVs)
- Constant flow regulators
Now comes with 2009 Supplement on Valve Solutions which explains how to design re-circulating heating and cooling water systems incorporating variable speed pumps utilising two alternative valve solutions not covered in KS7, these being:
- centralised valve modules
- pressure independent control valves (PICVs)
Contents of Supplement:
- Introduction
- Centralised valve module solution
- Pressure independent control valve solution
- References and bibliography
Acknowledgements
Principal author: Chris Parsloe