a liquid which is so termed is one which has a tendency to evaporate quickly and has a flash point of less than 60°C. … [Read more...]
Void space
an enclosed space in the cargo area external to a cargo containment system, other than a hold space, ballast space, fuel oil tank, cargo pump or compressor room, or any space in normal use by personnel. … [Read more...]
Vapour pressure
the equilibrium pressure of the saturated vapour above the liquid expressed in bars absolute, at a specified temperature. … [Read more...]
Volatile petroleum
Petroleum, having a flash point below 60ºC as determined by the closed cup method of testing. … [Read more...]
Vapour lock system
Equipment fitted to a tank to enable the measuring and sampling of cargoes without the release of vapour/inert gas pressure. … [Read more...]
Vapour emission control system (VECS)
An arrangement of piping and equipment used to control vapour emissions during tanker operations, including ship and shore vapour collection systems, monitoring and control devices and vapour processing arrangements. … [Read more...]
Vapour
A gas below its critical temperature.or in scientific terms:A faintly visible suspension of fine particles of matter in the air, as mist, fumes, or smoke. A mixture of fine droplets of a substance and air, as the fuel mixture of an internal-combustion engine. … [Read more...]