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tanks [4]click to hear

Large covered cylindrical containers that are usually made of steel; liquid or gaseous oil products are stored here between the time they are refined and sold.
tanks [4] floating-roof tank stairs ground drain valve filling inlet thermometer shell floating roof manhole bottom deck ladder top deck sealing ring

floating-roof tank click to hear

Tank whose floating roof rests directly on the surface of the liquid to minimize the evaporation of hydrocarbons; it is used to store the most volatile products.

stairs click to hear

Structural element giving access to the roof of the tank.

ground click to hear

Wire that connects the tank and its contents to the ground to prevent static electricity from accumulating and avoid the risk of fire.

drain valve click to hear

Device for emptying the liquid from the tank.

filling inlet click to hear

Operation by which a liquid product is introduced into the tank.

thermometer click to hear

Device that sets and controls the temperature of the product inside the tank.

shell click to hear

Vertical cylindrical wall of the tank.

floating roof click to hear

Metal cover that rests on the surface of the stored liquid; it fluctuates with the level of the fluid and slides vertically inside the shell.

manhole click to hear

Round opening in the tank that is covered with a plate; workers can pass through it.

bottom deck click to hear

Lower part of the roof; it rests directly on the surface of the stored liquid.

ladder click to hear

Movable device that consists of rungs (crossbars); it is used to climb up and down.

top deck click to hear

Upper part of the roof; the space between the top and bottom decks is used to contain evaporated hydrocarbons.

sealing ring click to hear

Part that fills the space between the roof and the shell to prevent any hydrocarbons from evaporating and polluting the atmosphere.