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This is Part 2 of a CO2 Design Fundamentals series, this one delving into high pressure valves (HPV) with Chris Griffiths, UK Technical Manager for Omega Solutions. HPV's are crucial for supermarket commercial refrigeration design. This session covers the purpose and function of HPV's, their role in regulating gas cooler pressure, and the importance of proper sizing to avoid efficiency losses and noise issues. Chris also shares expert advice on control strategies, the use of stepper type valves, and how to use manufacturer software for accurate component selection.

In this episode, we cover:

-Understanding high pressure valves

-Control strategies for high pressure valves

-Seasonal strategies for CO2 refrigeration systems

-Practical tips for maintenance and troubleshooting

-Valve selection and sizing

Helpful Links & Resources:

(Part 1) Episode 317. CO2 Piping Design (Tips to Protect Compressors and Prevent Failures) with Chris Griffiths

Episode 58. CO2 High Pressure Valves, Flash Gas Bypass and Ejectors controlled by a pRack300T

Episode 144. Troubleshooting CO2 High Pressure Valves Using Trend Graphs with the CAREL Boss System

Episode 30. CAREL's CO2 Electronic Valves and CO2 Controllers with Timo Kaufhold

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Email Chris: [email protected]