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The leakage of air into a room through cracks in doors, windows, and other openings.
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Related Terms |
LEAK TEST PRESSURE
The inlet pressure used for a standard quantitative seat leakage test.
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LEAKAGE RESISTANCE
The resistance of the path over which leakage current flows; it is normally high.
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WEAR RING
A replaceable metal ring inserted in pump casing. Minimizes clearance with rotating parts in order to restricted internal leakage in a pump.
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SECONDARY BARRIER
The liquid-resisting outer element of a cargo containment system designed to provide temporary containment of a leakage of liquid cargo through the primary barrier and to prevent the lowering of the temperature of the ship’s structure to an unsafe level
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LEAKAGE
Escape of liquids such as water, oil, etc., out of pipes, boilers, tanks, etc., or a minor inflow of seawater into the vessel due to a damage to the hull
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MECHANICAL SEAL
A sealing device used to control leakage from the stuffing box of a pump. Mechanical seals are usually made of two extremely smooth flat surfaces, one of which rotates on a shaft. The two flat surfaces are of such close tolerances as to prevent the passage of water between them.
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SLINGER RING
A ring of leather or rubber placed around the pump shaft in back of the stuffing box. Used to protect the bearings from water leakage out of the stuffing box.
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AIR LEAKAGE
1. In duct work, air which escapes from a joint, coupling, and such. 2. The undesired leakage or uncontrolled passage of air from a ventilation system.
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BAR TEST SURVEY
A leakage survey in which bar holes are driven or bored at regular intervals along the way of an underground gas pipe and the atmosphere in the holes is tested with a combustible gas detector or such.
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CLEAN TRACK
A sound track having no leakage from other tracks.
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