Assertion: pressure relief valve | /r/Desires | a lift lever
Facets:
value: on all air
type: LOCATION
value: on hot water valves
type: LOCATION
value: on steam
type: TRANSITIVE-OBJECT
Source sentences:
text: Pressure relief valves for Section VIII require a lift lever on all air, steam, and hot water valves used at temperatures over 60 degC. Typically used where periodic testing of the valve in location is desired to assure its operation.