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 UFC 3-460-03F
21 JANUARY 2003
USAFEUnited States Air Forces in Europe
UVUltraviolet
VPIValve position indicator
Terms
AdditivesChemicals added in minor proportions to a parent substance to create, enhance, or suppress
a certain property or properties in the parent material.
Automatic valveA fuel system component that operates hydraulically using system or pneumatic
pressure.
BarrelThe petroleum industry uses forty-two gallons as the standard barrel.
BenzeneA family of colorless, flammable, and volatile components found in very small quantities in
jet fuel. There are health exposure limits to benzene.
Blanking or blindingThe absolute closure of a pipe by fastening across it a solid plate or cap capable
of withstanding the maximum upstream pressure.
Booster stations (pumping stations)Intermediate locations along a pipeline, with storage and pumps
to overcome pressure losses by boosting pressure back to the desired level.
equipment by connecting both pieces of equipment by a bonding wire.
Booster pumpA pump installed in a long pipeline for increasing pressure.
Bottom loadingMethod of filling tank trucks or tank cars through a tight connection at the bottom.
Bulk storage tankStorage tank for fuel typically received by pipeline, tank truck, or tank car. Fuel is
transferred to other tanks (called ready-issue tanks or operating tanks) for issue to aircraft.
CalibrationThe act of adjusting a piece of equipment. Calibrate a meter register with a given liquid
volume passing through the meter or a pressure gauge with a known pressure.
Cathodic protectionA method for preventing corrosion of metals by electrolysis.
Central processing unit (CPU)The computer or processor used as logic control for fuel systems.
Centrifugal forceA force that tends to impel a thing or parts of a thing outward from the center on
rotation.
Centrifugal pumpA rotating device that moves liquids and develops liquid pressure by imparting
centrifugal force.
Closed circuitAn electrical circuit or path that is complete. When a switch or circuit breaker is
placed in the "on" position, the circuit is said to be closed.
CoalescerA filter designed to cause very small drops of water to combine into larger drops
(coalesce), which will separate from fuel by gravity.
Combustible liquidAny liquid having a flash point at or above 38 C (100 F).
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