Assertion: pressure relief valve | /r/AtLocation | the vessel
Facets:
value: in order to avoid pressurizing
type: PURPOSE
Source sentences:
text: Thermal relief valve or pressure relief valve are used in the liquid line in order to avoid pressure in the line due to the evaporation of the liquid or discharge valve closed scenario, pressure relief valve are kept in the vessel in order to avoid pressurizing, or release pressure to flare when pressure increase due power failure or fire case.