Definition(s)
Relief Device
Device used to relieve excess pressure and/or vacuum that has developed in a tank.
Source: API STD 2000, Venting Atmospheric and Low-pressure Storage Tanks, Sixth Edition, November 2009. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Device used to relieve excess pressure and/or vacuum that has developed in a tank.
Source: API STD 2000, Venting Atmospheric and Low-pressure Storage Tanks, Sixth Edition, November 2009. Global Standards