Boiler time

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The boiler period is called the period at which the official boiler test of pressure vessels expires. This expression is mainly used in the railroad . There especially with the steam locomotives and tank cars . If the boiler deadline has expired, this pressure vessel may no longer be put into operation, since the operating license has expired at the same time as the boiler deadline. For renewal, the pressure vessel must be examined by an officially approved test person in accordance with the tests specified in the industrial safety ordinance and manufacturer's instructions. This usually also includes a pressure test with 1.5 times the nominal filling pressure.

Boiler time for steam locomotives

Since the steam boiler is a pressure vessel that is also subject to strong temperature fluctuations, an operating hour-dependent check must be carried out in addition to the boiler time, and the boiler must also be washed out regularly. Otherwise, the operational safety is no longer guaranteed, despite the boiler deadline not yet expired, and the boiler may crack .

Tank deadline for tank wagons

Tank wagons that transport dangerous goods must be approved by an official pressure vessel inspector; this permit is usually issued for 4 years and is written on the right of the tank with the date (MM.YY) in a rectangle. If this date is exceeded, the wagon may no longer run loaded with dangerous goods.