Plumbing Dictionary


Plumbing termonalogy.

Browse the glossary using this index

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B

BUILDING

Any structure occupied or intended for supporting or sheltering any occupancy.

BUILDING DRAIN

That part of the lowest piping of a drainage system that receives the discharge from soil, waste and other drainage pipes inside and that extends 30 inches (762 mm) beyond the walls of the building and conveys the drainage to the building sewer.

BUILDING DRAIN Combined

A building drain that conveys both sewage and storm water or other drainage.

BUILDING DRAIN Sanitary

A building drain that conveys sewage only.

BUILDING DRAIN Storm

A building drain that conveys storm water or other drainage, but not sewage.

BUILDING PIPING GAS

The gas piping from the point where it enters the building or foundation to and including the outlets. This is applicable where the gas meter is located some distance from the building or LP gas is delivered without a meter. The gas piping from the gas meter to and including the outlets. This is applicable where the gas meter is located in or immediately adjacent to the building.

BUILDING SEWER

That part of the drainage system that extends from the end of the building drain and conveys the discharge to a public sewer, private sewer, individual sewage disposal system or other point of disposal.

BUILDING SUBDRAIN

That portion of a drainage system that does not drain by gravity into the building sewer.

BUILDING TRAP

A device, fitting or assembly of fittings installed in the building drain to prevent circulation of air between the drainage system of the building and the building sewer.

BURNER

A device for the final conveyance of the gas, or a mixture of gas and air, to the combustion zone.

BURNER Atmospheric injection type

A burner in which the air at atmospheric pressure is injected into the burner by a jet of gas.

BURNER Injection (Bunsen) type

A burner employing the energy of a jet of gas to inject air for combustion into the burner and mix it with the gas.

BURNER Luminous or yellow flame

A burner in which secondary air only is depended on for the combustion of the gas.

BURNER Power

A burner in which either gas or air or both are supplied at pressures exceeding, for gas, the line pressure, and for air, atmospheric pressure, this added pressure being applied at the burner.

BURNER Pre-mixing

A power burner in which all or nearly all of the air for combustion is mixed with the gas as primary air.

BURNER Pressure

A burner which is supplied with an air-gas mixture under pressure (usually from 0.5 to 14 inches of water [124 to 3483 Pa] and occasionally higher).

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