Glossary
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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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| pressure loss |
change in total pressure due to friction and
turbulence. Compare pressure drop |
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| pressure regulator |
device to maintain controlled downstream fluid
pressure with varying upstream pressure. |
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| pressure relief |
designed automatic reduction of excessive
pressure in a vessel |
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| pressure relief device | 1. valve or rupture member designed to relieve
excessive pressure automatically.
2.
means for relieving internal pressure and preventing explosive shattering of
the housing. |
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| pressure relief vessel | container or tank which allows the relief into
it of excessive pressure automatically. |
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| pressure-imposing element |
device for increasing the pressure on a fluid,
e.g., refrigerant or other gases. |
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| pressure-limiting device |
pressure-responsive mechanism designed to stop
automatically the operation of a pressure imposing element at a predetermined
pressure. |
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