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Show explanationExplain Compressors

Gas compressor

This article is licensed under theGNU Free Documentation License.It uses material from the Wikipedia article "Gas compressor" (click for full Wikipedia text)

A  'gas compressor ' is a mechanical device that increases the pressure of a gas by reducing its volume. Compression of a gas naturally increases its temperature. Compressors are closely related to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are compressible, the compressor also reduces the volume of a gas, whereas the main result of a pump raising the pressure of a liquid is to allow the liquid to be transported elsewhere.

Compressor designs

Some important designs of compressors include:

Applications

Gas compressors are used in various applications where either higher pressures or lower volumes of gas are needed:

Temperature

Charles's law says "when a gas is compressed temperature is raised". There are three possible relationships between temperature and pressure in a gas undergoing compression:

Staged compression

Since compression generates heat, the compressed air is to be cooled between stages making the compression less adiabatic and more isothermal. The inter-stage coolers cause condensation meaning water separators with drain valves are present. The compressor flywheel may drive a cooling fan. For instance in a typical diving compressor, the air is compressed in three stages. If each stage has a compression ratio of 7 to 1, the compressor can output 343 times atmospheric pressure (7 x 7 x 7 = 343).

Prime movers

There are many options for the "prime mover" or motor which powers the compressor:

See also

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The Compressors QED site has been constructed to provide information on Compressor products, services and data. The site breaks Compressors down over a number of categories for your convenience. The current category is Compressors .

 
 
 
 
Preview by Thumbshots.orgUnited States ABAC, American IMC, and Bel-Aire Air Compressors
Supplier of ABAC, American IMC and Bel-Aire air compressors. 5hp to 40 hp.Shawnee, Kansas.
 
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A directory of air compressor manufacturers, their distributors and service companies.
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Preview by Thumbshots.orgUnited States ARIEL Corporation - Reciprocating and Rotary Natural Gas Compressors
Manufactures twin-screw, rotary natural gas compressors and reciprocating naturalgas compressors. Provides technical training and field service for natural gas ...
 
 Sweden Atlas Copco Group Homepage
Manufactures compressors, construction and mining tools and equipment, powertools, assembly systems.
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Suppliers of air and gas compressors and generators, pneumatic and electric powertools, plus drilling, mining and demolition equipment.
 
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Manufacturer of industrial and medical central vacuum systems in two types: 100%oil-less, or oil flooded. Available in modular/expandable (to 6 pumps), ...
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Corporate and product pages included.
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Australia's only manufacturer of compressed air and related products. Includes asection for compressor, dryer, filter, sullair, blower, sales and hire.
 
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Manufacturer and distributor of industrial air compressors. Single stage and twostage, gas or electric air compressor models.
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Preview by Thumbshots.orgUnited States Clark Yacht Compressors: air compressor and nitrox fill systems ...
Build and install air and nitrox compressors for yacht based scuba diving.Order online. Located in Fort Lauderdale, FL.
 
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Preview by Thumbshots.orgUnited States Copeland Corporation - Welcome
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 Canada Devair
Air Compressors You Know You Can Trust
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Preview by Thumbshots.orgUnited States Diaphragm Compressors, Diaphragm Compressor, membrane compressors ...
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Manufacturer of diaphragm, piston and rotary Periflow compressors.
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Preview by Thumbshots.orgItaly Fini compressors - Air is everywhere - compressori,aria compressa ...
World production and marketing of air compressors for a broad variety of applications.Bologna, Italy.
 
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Supplies compressors from 1kW up to 5ookW, matched systems, economy drive system,air filters and refrigerant driers.
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