relief valve
Definition
Noun: A relief valve is a safety device designed to automatically release a substance (such as gas, steam, or liquid) from a pressurized system when the pressure inside becomes too high, preventing potential damage or explosion.
Usage
A relief valve is a critical component in systems where pressure is controlled. It functions as an automatic safety mechanism. * The relief valve on the water heater opened to prevent a dangerous pressure buildup. * Engineers installed a relief valve as a fail-safe for the new steam pipeline. * Regular testing of the pressure relief valve is mandatory for industrial boilers.
Advanced Usage
- "To act as a relief valve": Used metaphorically to describe something that provides a safe outlet for pent-up emotions, tension, or social pressure.
- The community forum acted as a relief valve for residents' frustrations.
Variants and Related Words
- Safety valve: A direct synonym for relief valve.
- Pressure relief valve (PRV): A more specific technical term.
- Pop-off valve: An informal term, often used in mechanical contexts.
- Emergency vent: A related device with a similar safety function.
Synonyms
- Safety valve
- Escape valve
- Blow-off valve
Related Idioms or Phrases
- "To blow off steam": This idiom, meaning to release pent-up energy or emotion, is conceptually related to the function of a relief valve.
- After the stressful meeting, he went for a run to blow off steam.
Noun
-
a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
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