What is Pressure Vacuum Valve?
Pressure Vacuum Valve A safety device on cargo tank vent lines that automatically opens or closes to maintain safe pressure and prevent overpressure or vacuum conditions in the tank.
Source: IMO SMCP, STCW Convention, SOLAS, COLREG
How is “Pressure Vacuum Valve” Used in Practice?
Chief officer to crew: Ensure all pressure vacuum valves are tested and functioning before commencing cargo operations.
Certification Exam Relevance
Who Needs to Know This Term?
- Deck Officers
- Engine Officers
- Masters
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What is Pressure Vacuum Valve?
A safety device on cargo tank vent lines that automatically opens or closes to maintain safe pressure and prevent overpressure or vacuum conditions in the tank.
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