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Glossary

 

The terms and definitions included in this glossary were taken from "ASHRAE Terminology of Heating, Ventilation, Air Conditioning & Refrigeration".
To access the complete glossary please visit ASHRAE's Bookstore.


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flash point


1. lowest temperature to which a product must be heated for its vapors to ignite in the presence of a flame when operating under standardized conditions. Compare fire point.

2. in a vacuum cooling chamber, that pressure corresponding to the vapor pressure at the product temperature and below which water vaporizing commences.

3. in a piping suction, the pressure below which the liquid will flash into vapor.

 

 





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