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

Last month, a pressure relief valve on a surge tank stuck open, causing hundreds of thousands of gallons of wastewater to spill onto the street.

From Los Angeles Times • Jul. 19, 2024

"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

The interest forgiveness would be a one-time benefit, but would be the largest relief valve in the plan.

From New York Times • Apr. 8, 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

According to the city ordinance, in residences where water meter check valves are installed on the water service, the consumer should supply a safety water relief valve before connecting any hot water system.

From Fowler's Household Helps Over 300 Useful and Valuable Helps About the Home, Carefully Compiled and Arranged in Convenient Form for Frequent Use by Fowler, Arthur L.