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Compressor vs. Pump — What's the Difference?

By Tayyaba Rehman & Fiza Rafique — Updated on April 14, 2024
Compressors increase the pressure of gases by reducing their volume, while pumps move fluids by mechanical displacement.
Compressor vs. Pump — What's the Difference?

Difference Between Compressor and Pump

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Key Differences

A compressor works by compressing gas, increasing its pressure by decreasing its volume, whereas a pump transfers liquids or gases from one place to another without compressing them.
Compressors are essential in systems where gas pressurization is required, such as air conditioning and refrigeration systems, while pumps are used in applications like water circulation and fuel transfer.
The operation of a compressor involves changing the state of gases into a more compact form, which can be crucial for various industrial processes, whereas pumps maintain the fluid’s state while moving it through a system.
Efficiency in compressors is largely dependent on the type (e.g., centrifugal, reciprocating), whereas pump efficiency can vary based on the design (e.g., centrifugal, diaphragm) and the viscosity of the fluid being moved.
Maintenance for compressors generally involves regular checks on seals, valves, and cooling systems to handle the high pressures generated, while pumps require monitoring of seals, impellers, and the motor to prevent failures from constant fluid movement.
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Comparison Chart

Function

Increases gas pressure by reducing volume
Moves fluids by mechanical displacement

Main Use

Air conditioning, refrigeration
Water supply, oil transport

Working Fluid

Gases only
Liquids and gases

Efficiency

Dependent on gas type and compressor design
Influenced by fluid type and pump design

Maintenance

High due to pressure, involves seal and valve checks
Moderate, focuses on seal and impeller integrity

Compare with Definitions

Compressor

Utilizes pressure to operate.
The industrial plant's compressor maintains high pressure for manufacturing processes.

Pump

Used in both industrial and residential settings.
The city’s water pump supplies homes and businesses alike.

Compressor

Often involves heat exchange.
The compressor in the AC unit expels hot air from the refrigerant.

Pump

Designs vary from centrifugal to diaphragm.
The chemical plant uses diaphragm pumps for safe fluid transfer.

Compressor

A machine that compresses gases.
The workshop uses a compressor to power pneumatic tools.

Pump

A device that moves fluids through mechanical action.
The basement sump pump prevents flooding.

Compressor

Varies in type (reciprocating, rotary).
Our facility upgraded to a rotary compressor for better efficiency.

Pump

Can handle various fluid viscosities.
The oil pump smoothly circulates even thick lubricants.

Compressor

Essential for gas transport and storage.
Compressors are crucial in the natural gas supply chain.

Pump

Integral to fluid management systems.
Pumps are vital for managing wastewater treatment flows.

Compressor

A compressor is a mechanical device that increases the pressure of a gas by reducing its volume. An air compressor is a specific type of gas compressor.

Pump

A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action, typically converted from electrical energy into hydraulic energy. Pumps can be classified into three major groups according to the method they use to move the fluid: direct lift, displacement, and gravity pumps.Pumps operate by some mechanism (typically reciprocating or rotary), and consume energy to perform mechanical work moving the fluid.

Compressor

A pump or other machine that increases the pressure of a gas.

Pump

A machine or device for raising, compressing, or transferring fluids.

Compressor

An instrument or device that compresses, such as a forceps or clamp.

Pump

(Physiology)A molecular mechanism for the active transport of ions or molecules across a cell membrane.

Compressor

A muscle that causes compression of a body part.

Pump

(Physics)Electromagnetic radiation used to raise atoms or molecules to a higher energy level.

Compressor

A device that produces pressure, such as a gas compressor that produces pressurized gas.

Pump

(Informal)The heart.

Compressor

A device that squeezes (compresses).

Pump

(Informal)The place where consumers purchase gasoline. Used with the:gas prices rising at the pump.

Compressor

An instrument for compressing an artery (especially the femoral artery) or other part.

Pump

A shoe that has a closed back and is cut low around the toes, usually with heels and no fastenings.

Compressor

An apparatus for confining or flattening between glass plates an object to be examined with the microscope; a compressorium.

Pump

To draw, deliver, or pour forth:a writer who pumped out a new novel every year.

Compressor

A machine for compressing gases, especially an air compressor.

Pump

To propel, eject, or insert:pumped new life into the economy.

Compressor

(audio) A device that reduces the dynamic range of an audio signal.

Pump

To cause to move with an up-and-down or back-and-forth motion:a bicyclist pumping the pedals; a piston pumping a shaft.

Compressor

(anatomy) A muscle that compresses certain parts.

Pump

To push or pull (a brake or lever, for instance) rapidly:a driver pumping the brakes.

Compressor

(computing) A program or algorithm for compressing data.

Pump

(Physics)To raise (atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency.

Compressor

Anything which serves to compress

Pump

(Physiology)To transport (ions or molecules) against a concentration gradient by the expenditure of chemically stored energy.

Compressor

A mechanical device that compresses gasses

Pump

To invest (money) repeatedly or persistently in something.

Pump

To question closely or persistently:pump a witness for secret information.

Pump

(Informal)To promote or publicize vigorously:The company pumped its new product on its website.

Pump

To operate a pump.

Pump

To move gas or liquid with a pump or a pumplike organ or device.

Pump

(Sports)To fake a throw, pass, or shot by moving the arm or arms without releasing the ball.

Pump

A device for moving or compressing a liquid or gas.
This pump can deliver 100 gallons of water per minute.

Pump

An instance of the action of a pump; one stroke of a pump; any action similar to pumping
It takes thirty pumps to get 10 litres; he did 50 pumps of the weights.

Pump

A device for dispensing liquid or gas to be sold, particularly fuel.
This pump is out of order, but you can gas up at the next one.

Pump

(colloquial) A ride on a bicycle given to a passenger, usually on the handlebars or fender.
She gave the other girl a pump on her new bike.

Pump

The heart.

Pump

(British) A low-top shoe with a rubber sole and a canvas upper; a low-top canvas sneaker.

Pump

A type of women's shoe which leaves the instep uncovered and has a relatively high heel, especially a stiletto (with a very high and thin heel)
She was wearing a lovely new pair of pumps.

Pump

A dancing shoe.

Pump

A type of shoe without a heel.en

Pump

To use a pump; to move (water or other liquid) by means of a pump.
I've been pumping for over a minute but the water isn't coming through.
I've pumped over 1000 gallons of water in the last ten minutes.

Pump

(obsolete) To put (a person or part of the body) under a stream of water from a pump, as a punishment or as a form of medical treatment; to force a pump of water upon or on someone.

Pump

(transitive) To gain information from (a person) by persistent questioning.

Pump

(British slang) To copulate.

Pump

To fill with air by means of a pump; to inflate.
He pumped up the air-bed by hand, but used the service station air to pump up the tyres.

Pump

(transitive) To move rhythmically, as the motion of a pump.
I pumped my fist with joy when I won the race.

Pump

(bodybuilding) To enlarge the body by means of weightlifting or steroid use.

Pump

(transitive) To shake (a person's hand) vigorously.

Pump

Of music: to be loud, to have strong bass and rhythms; by extension to be full of energy.
The waves were really pumping this morning.
Last night's party was really pumping.

Pump

(sports) To kick, throw, or hit the ball far and high.

Pump

To pass gas; to fart quietly.

Pump

(computing) To pass (messages) into a program so that it can obey them.

Pump

2005 and the .NET 2.0 Platform

Pump

(colloquial) To inject silicone into the body in order to try to achieve a fuller or curvier look.

Pump

A low shoe with a thin sole.

Pump

An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston.

Pump

To raise with a pump, as water or other liquid.

Pump

To draw water, or the like, from; to from water by means of a pump; as, they pumped the well dry; to pump a ship.

Pump

Figuratively, to draw out or obtain, as secrets or money, by persistent questioning or plying; to question or ply persistently in order to elicit something, as information, money, etc.
But pump not me for politics.

Pump

To work, or raise water, a pump.

Pump

A mechanical device that moves fluid or gas by pressure or suction

Pump

A low-cut shoe without fastenings

Pump

Operate like a pump; move up and down, like a handle or a pedal

Pump

Deliver forth;
Pump bullets into the dummy

Pump

Draw or pour with a pump

Pump

Supply in great quantities;
Pump money into a project

Pump

Flow intermittently

Pump

Move up and down;
The athlete pumps weights in the gym

Pump

Raise (gases oor fluids) with a pump

Pump

Question persistently;
She pumped the witnesses for information

Common Curiosities

Can compressors handle liquids?

No, compressors are designed to work with gases only.

What are common uses for compressors?

In air conditioning, refrigeration, and industrial gas compression.

What is the primary function of a compressor?

To increase the pressure of a gas by reducing its volume.

What types of pumps are there?

Centrifugal, diaphragm, and piston.

What is the primary function of a pump?

To move fluids from one place to another.

Can pumps handle gases?

Yes, some pumps are capable of moving gases, although they are primarily used for liquids.

How are compressors maintained?

Through regular checks on seals, valves, and cooling systems.

What factors affect the selection of a pump?

Type of fluid, flow rate, and pressure requirements.

What are common uses for pumps?

In water supply, oil transport, and chemical processing.

How does the efficiency of compressors and pumps vary?

Compressor efficiency depends on the type and gas properties, while pump efficiency depends on the pump design and fluid properties.

What types of compressors are there?

Reciprocating, rotary, and centrifugal.

What factors affect the selection of a compressor?

Type of gas, required pressure, and application.

How are pumps maintained?

By monitoring seals, impellers, and motors.

Can a compressor be used as a pump?

No, because compressors are not designed to handle liquids.

Are compressors or pumps more energy efficient?

Depends on the specific application and design of each machine.

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.
Co-written by
Fiza Rafique
Fiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.

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