Assertion: vacuum relief valve | /r/CapableOf | admit air
Facets:
value: into the equipment
type: TRANSITIVE-OBJECT
Source sentences:
text: In such cases, vacuum relief valves are used to open at a predetermined low pressure limit and to admit air or an inert gas into the equipment so as control the amount of vacuum.
text: In such cases, vacuum relief valves are used to open at a predetermined low pressure limit and to admit air or an inert gas into the equipment so as control the amount of vacuum.