Difference between revisions of "Pressure-relief valve"
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Latest revision as of 00:23, 25 February 2009
6-2-265
Alternative term: Safety valve
A device that allows air (or other gas) under pressure to escape to the atmosphere, when the pressure exceeds a given value. The device is controlled by either a spring or a weight.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
