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.

---

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

The technical glitches are most likely communication errors between computers that control a helium relief valve, officials say.

From Reuters • May 24, 2023

The previous Sunday, it unveiled an emergency lending program meant to serve as a relief valve for banks that need to raise cash.

From New York Times • Mar. 20, 2023

I became aware of the soft, continuous popping sounds of the air-bubbles escaping from the relief valve of the head-piece.

From Astounding Stories of Super-Science, May, 1930 by Bates, Harry