boiler room
A room in which one or more steam or hot-water boilers and associated equipment are located.
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boiler return trap
A device used to return condensate to a low-pressure boiler when it cannot flow into the boiler by gravity.
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boiler plate
1. Plates of steel used for making boilers and tanks. 2. The accessories and appurtenances associated with a boiler plant.
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boiler horsepower
A unit of measurement of the power of a steam boiler; equivalent to the evaporation of 34.5 lb of water
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boiler feed valve
An automatically-controlled valve for maintaining a desired amount of water in a boiler.
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boiler compound
A chemical added to water in a boiler to prevent corrosion, foaming, or the formation of boiler scale.
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boiler blow-off tank
A vessel designed to receive the discharge from a boiler blow-off outlet where the discharge is cooled to a temperature