Tank Cars

Posted in Operations and Supply Chain Terms, Total Reads: 710

Definition: Tank Cars

Tank Cars is a railway wagon designed for shipment of liquid and gaseous components.  It is heavily insulated and enlarged so that it carries a high volume of fluid under high pressure.  The initial  versions of these cars were made of wood   and later moved to steel . It was the first from of distribution of shipped oil from the shore to the local refineries. It was started from a cart to a series of flatcars.

These tanks were later on  riveted from initially being welded to increase their safety levels. The interior of the tank is shielded from its shell through a thick coating . There is a protective housing at the top through which the liquid is transferred.

Examples :

Most of the these cars started as uni-directional  cars . These cars could be later redesigned   to function in their return trip as well. Box cars were one particular type which is bi-directional with fluid being stored underneath  the tank . These cars were not graded on the cargo being carried but later on  rubber coating was used  in case of dangerous liquid being carried and any kind of ullage being hazardous . These wagons underwent frequent inspection for repairing damages in pressure relieve valves . Other applications of these cars were as milk vans for transporting  chilled milk . They were used as liquid hydrogen van carriers  .The pickle vans with thatched roofs and wooden doors also became popular.


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