relief valve

American  

noun

1. a device that, when actuated by static pressure above a predetermined level, opens in proportion to the excess above this level and reduces the pressure to it.

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Example Sentences

"Combined storm overflows are a pressure relief valve for the wastewater network," NI Water's Director of Engineering and Sustainability Gary Curran explained.

From BBC • Apr. 23, 2024

Lomelí-Gil said she believes Grayson was spared because the expanded floodplains served as a relief valve.

From Los Angeles Times • Feb. 20, 2024

Then they hit $56.01 in June and $63.03 in September, both times triggering supplemental auctions meant to act as a relief valve to steady prices.

From Seattle Times • Oct. 8, 2023

"The rebound in the labor supply has been encouraging as it can act as a relief valve against elevated wage pressures," said Lydia Boussour, senior economist at EY-Parthenon in New York.

From Reuters • May 5, 2023

The oil pressure in these motors is carried at ten pounds, a relief valve being fitted to hold the pressure constant.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred