compressed air


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compressed air,

air whose volume has been decreased by the application of pressure. Air is compressed by various devices, including the simple hand pump and the reciprocating, rotary, centrifugal, and axial-flow compressorscompressor,
machine that decreases the volume of air or other gas by the application of pressure. Compressor types range from the simple hand pump and the piston-equipped compressor used to inflate tires to machines that use a rotating, bladed element to achieve compression.
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. Compressed air exerts an expansive force that can be controlled and used in various devices including tires, air brakes, caissons, and diving suits. As a source of power it is used to operate pneumatic toolspneumatic tool
, instrument activated by air pressure. Pneumatic tools are designed around three basic devices: the air cylinder, the vane motor, and the sprayer. The air cylinder contains a piston that is pushed the length of the cylinder by compressed air and returned by air
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, e.g., pneumatic hammers and drills and spraying equipment. It is widely employed for cleaning dust and dirt out of mechanical equipment. It is used also in mining, tunneling, and the manufacture of explosives, since it is not a fire hazard. Compressed air is in readily available supply and is easily stored and transported.

compressed air

[kəm′prest ′er]
(mechanics)
Air whose density is increased by subjecting it to a pressure greater than atmospheric pressure.
References in periodicals archive ?
Laine II is president of Compressed Air Auditing, a division of Southern Corporation of South Carolina, Augusta, Georgia.
FRLs should be positioned as close as possible to a compressed air application with as few elbows and bends between them and the application as possible.
Reduce generation costs: Generating compressed air is the largest energy cost, and simple measures can reap considerable savings.
Prior to entering the membrane drying module on the Balston unit, the compressed air passes through high efficiency coalescing filters.
A piping system design should optimize the transfer of compressed air at the desired flow and pressure.
ZEKS Compressed Air Solutions develops and manufactures a complete line of compressed air treatment products, including air dryers, filters and system controllers, which maximize the productivity and reliability of compressed air systems.
Eth zrich plans to build a new compressed air system with three new compressors in the eth center, building ml 2.
Fact: This is an unsafe practice, as cleaning work area using compressed air could result in serious injury due to the particulate striking or entering the eyes, ears or skin.
The first one is that the 'Competencies' section, under provision of equipment, the staff providing the compressed air products or complete system should have a minimum of five years training and on the job experience.
These dryers offer the simplicity of few moving parts, no desiccant, and relatively low cost, though compressed air itself is not cheap.
The AeRO 30 is said to offer compatibility with smaller capacity compressed air systems and connections, lower noise levels, a 17" width that allows usage in narrow aisles and enhanced portability, and a lower price, according to the company.