Pumps, Compressors, Blowers and Fans

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Significant differences between pumps, compressors, blowers and fans are summarized below

Pumps

• A pump is a machine for raising a liquid - a relatively incompressible fluid - to a higher level of pressure or head.

Compressors

• A compressor is a machine for raising a gas - a compressible fluid - to a higher level of pressure.

Blowers

• A blower is a machine for moving volumes of a gas with moderate increase of pressure.

Fans

• A fan moves large amounts of gas with low increase in pressure.

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Related Topics

• Fluid Mechanics - The study of fluids - liquids and gases. Involves various properties of the fluid, such as velocity, pressure, density and temperature, as functions of space and time.
• Gas and Compressed Air - Gas properties, capacities of pipelines, sizing of relief valves - air, LNG, LPG and more
• Pumps - Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more
• Ventilation - Systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more

Related Documents

• Classifications of Pumps - Selecting between Centrifugal Pumps and Positive Displacement Pumps
• Specific Work of Turbo Machines - Pumps, Compressors and Fans - Specific work of pumps, fans, compressors and turbines
• Types of Air Compressors - Reciprocating, rotary screw and rotary centrifugal air compressors
• Types of Fans - Axial and propeller fans, centrifugal (radial) fans, mixed flow fans and cross flow fans
• Types of Fans and Range of Capacities - Centrifugal, Axial, Propeller fans and range of capacities