American Boiler Manufacturers Association.



Related Terms

AIR VENT

A valved opening in the top of the highest drum of a boiler or pressure vessel for venting air.

ALLOWABLE WORKING PRESSURE

The maximum pressure for which the boiler was designed and constructed; the maximum gauge pressure on a complete boiler; and the basis for the setting on the pressure relieving devices protecting the boiler

BAG

A deep bulge in the bottom of the shell or furnace of a boiler.

BARREL

The cylindrical portion of a firetube boiler shell that surrounds the tubes.

BASE LOAD

The term applied to that portion of a station or boiler load that is practically constant for long periods.

BLOWBACK

The number of pounds per square inch of pressure drop in a boiler from the point where the safety valve pops to the point where the safety valve reseats.

BLOWDOWN

The drain connection including the pipe and the valve at the lowest practical part of a boiler, or at the normal water level in the case of a surface blowdown. The amount of water blown down.

BLOWDOWN VALVE

A valve generally used to continuously regulate concentration of solids in the boiler, not the drain valve.

BOILER

A closed vessel in which water is heated, steam is generated, steam is superheated, or any combination thereof, under pressure or vacuum by the application of heat from combustible fuels, electricity, or nuclear energy. The term dose not include such facilities of an integral part of a continuous processing unit but does include fired units of heating or vaporizing liquids other than water where these units are separate from processing systems and are complete within themselves.

CLASSIFICATION SOCIETY

Independent and reputable organizations which verifies and inspects vessels for seaworthiness. As technical experts, they serve to provide the necessary basis for adjusting insurance rates for the vessel.

Related questions

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