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Compressed Air Glossary of Terms

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: A ::

A&I
A&R
Absolute efficiency
Absolute filtration rating
Absolute micron rating
Absolute pressure
Absolute temperature
Absolute viscosity
Absorb
Absorbent filter
AC
Acidity
ACFM
ACT
Activated alumina
ACTR
Actual capacity
Adiabatic compression
Adiabatic efficiency
Adsorb
Adsorbent filter
Adsorptive filtration
Aeration
Aerosol
Aftercooler
Aftercooling
Air
Air actuator
Air amplifier
Air borne
Air brush
Air bubble technique
Air cooled compressor
Air curtain
Air cylinder
Air dryer
Air flow
Air knife
Air leak
Air lock
Air motor
Air nozzle
Air padding
Air preheater
Air pressure
Air pump
Air receiver
ALT
Altitude
Alternating current (AC)
Amagat's law
Ambient
Ammonia
Amonton's law
AMP
Ampere (AMP)
Ancillary equipment
Anhydrous
Anion
ANLG
ANR
Anti pulsation tank
Anti re-entrainment sock
AP
A.P.I.
Artificial demand
ASHRAE
ASL
A.S.M.E.
A.S.T.M.
ATA
ATM
Atmosphere
Atmospheres absolute (ATA)
Atmospheric boundry level
Atmospheric dew point
Atmospheric inversion
Atmospheric pressure
Atomize
Attenuation
Automatic sequencer
Avogadro's law
Axial compressor
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: B ::

BA
Back pressure
Bag blinding
Bag filter
Bag house
Bar
Barometric pressure
Bara
Barg
Base plate
Bead ring
Bernoulli's principle
Beta ratio
BHP
Bicarbonate
BLDN
Blowdown
Blower
Blow off control
BLWR
Body
Bonnet
Boolean logic
Booster
Boyle's law
BP
Brake horse power
Branch lines
Breakdown maintenance
Breaker
Breaking pressure
Breather
Breathing air
Bridging
British thermal unit
Brownian diffusion
BSPP
BSPT
BTU
Bubble
Built-in-dirt
Built up back pressure
Bumper
Buna N
Burst pressure
By pass
By pass valve
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: C ::

Can velocity
Cap
Capacity
Capacity filtration
Capacity gauge
Capillary tube
Cap tube
Carbonate
Carbon dioxide
Carbon monoxide
Carbon residue
Casing
Celsius
Center tube
Centrifugal compressor
CFM
Charle's law
Chatter
Chip control
Chipping hammer
Check valve
Chlorine
Chlorofluorcarbons
Choke
Cleanable
Cleanliness level
Clean room
Clean pressure drop
Clearance
Clearance pocket
Clevis
Closed loop system
CNG
Coalescing filter
Code
Coefficient of discharge
Cold differential test procedure
Cold start
Collapse
Collapse pressure
Compensator
Composition of air
Compressed
Compressed air
Compressed air challenge
Compressibility
Compressibility factor Z
Compression efficiency
Compression Isothermal
Compression ratio
Compressor
Computer control
Condensate
Condenser
Conduction
Connector
Constant speed control
Contaminant
Contaminant capacity
Contaminant failure
Control valve
Convection
Convolution
Coolant
Cooling tower
CPM
Cracking
Critical pressure
Critical speed
Critical temperature
Crosshead compressor
Crosshead assembly
Crosshead loading
CSA
CTD
Cubic feet per minute (CFM)
cu m/sec
Cut in cut out pressure
Cycle
Cycle time
Cylinder
Cyclone
Cyclone separator
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: D ::

Dalton's law
DC
Dead end pressure
Degrees Celsius (°C)
Degrees Fahrenheit (°F)
Degrees Kelvin (°K)
Degree Rankine (°R)
Degree Réaumur (°Ré)
Degree of intercooling
Degree of saturation
Deliquescent
Deliquescence
Direct current
Directional control valve
Delta P
Delta T
Demand
Demand side management (DSM)
Demulsibility
Density
Depth filter
Desiccant
Design pressure
Desorption
Dew point
Dew point cup
Diaphragm
Diaphragm compressor
Diaphragm cooling
Differential pressure
Differential pressure indicator
Diffuser
Dirt holding capacity
Disc
Discharge piping
Discharge pressure
Discharge temperature
Displacement compressor
Displacement of a compressor
Disposable filter
DOE
DOP
Double acting compressor
Downstream
Drag
Drain valve
Dripleg
Drive
Dropleg
Dry adiabatic lapse rate
Dry bulb temperature
Dry gas
Dry unit (oil free)
Dual control
Duct
Durometer
Dust cake
Dust holding capacity
Duty cycle
Dynamic losses
Dynamic type compressors
Dynamic viscosity

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: E ::

Effective area
Efficiency
Efficiency compression
Efficiency isothermal
Efficiency mechanical
Efficiency polytropic
Efficiency volumetric
Ejector compressor
Element
Emulsibility
Emulsifier
Emulsion
End cap
Energy audit
Energy conservation
Energy kinetic
Energy storage
Enthalpy
Entrainment ratios
Entropy
Environmental contaminant
Evaporation
Evaporator
Exothermic
Expanders

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: F ::

FAD
Fatigued
Ferrography
Fick's law of diffusion
Filter
Filter breather
Filter coalescing
Filter efficiency
Filter element
Filter head
Filter housing
Filter inline
Filter life test
Filter medium
Filter oil bath
Filter separator
Filtration
First law of thermodynamics
Fixed compression ratio
Flange
Flash point
Flexible mounting
Flow
Flow control valve
Flow diagram
Flow meter
Flow rate
Flushing
Foot
Forced draft fan
Fouling
Free air (FAD)
FRL
Frost point
Full load

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: G ::

Gag
Galling
Gallon
Gas
Gas bearings
Gas bypass
Gas compressor
Gas drying
Gas laws
Gate valve
Gauge
Gauge pressure
Glycol dehydration
Governor
GPM
Grade D breathable compressed air
Gravimetric efficiency
Guide
Guide vane

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: H ::

Head adiabatic
Header
Head polytropic
Head pressure
Heat exchanger
Heatless dryer
Heat reactivated dryers
Heat recovery
High efficiency filtration
High volume low pressure
Horsepower (HP)
Horsepower brake BHP
Horsepower gas
Horsepower ideal
Horsepower indicated
Horsepower peak
Horsepower theoretical
Hot gas
Hot gas bypass valve
Hot start
Housing
Humidity
Humidity specific
Humidity relative
HVLP
Hydrocarbons
Hydrogen chlorofluorocarbons (HCFC)
Hygroscopic cells

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: I ::

IBV
ICFM
I.D.
Ideal gas
Ideal multi stage compression
IGV
Immiscible
Impeller
Inches of water
Indicated power
Indicator card
Indicator pressure
Induced draft
Inducer
Inert gas
Inertia base
Inertia forces
Influent
Ingested contaminants
Inlet pressure
Inlet temperature
Inlet throttle
Inline filter
Insolubles
Instrument air
Intake filter
Intake filter silencer
Intank check valve
Intercooler
Intercooling
Internal energy
Ideal gas
International Organization for Standardization
Irreversible process
Isentrop
Isentropic compression
Isentropic efficiency
Isentropic power consumption
ISO
Isobar
Isochor
Isotherm
Isothermal compression
Isothermal efficiency
Isothermal power consumption

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: J ::

Jackleg
Jack hammer
Jet
Joule
Joule effect
Joule Thompson effect
Jounce
Journal
Journal bearing
JTPF
JTPM

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: K ::

Kelvin (K)
KG/CM²A
Kickout type clutch
Kilo
Kilobar (kb)
Kilowatt (kW)
Kilowatt hour (kWh)
Kinematic viscosity
Kinetic energy
Knock out
kPa
K value
kW
kWh

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: L ::

L/sec
Labyrinth compressor
Lacquer
Langelier's index
lb
lb/hr
Leak air
Leak detector ultrasonic
Lift
Linear actuator
Liner
Liquid piston
Liquid ring rotary compressor
Load
Loaded
Load factor
Load time
Lobe
Low pressure coat
Lubrication
Lubricator

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: M ::

M3/min M3/hr
Mach number
Man way
MAWP
Maximum operating pressure
Mayonnaise
Mechanical efficiency
Media
Media migration
Medium
Membrane dryer
Mesh size
Micron
Micron rating
Millibar
Mineral oil
MMCFD
Modulating control
Modulating unload
Moisture separator
Moisture trap
Molecular sieves
Molecular theory
Mottling
MPCV
MSDS
Multistage axial compressor
Multistage centrifugal compressor
Multistage compressor

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: N ::

N cu m/min N cu m/hr
Natural frequency
N.B.
NEC
Needle gauge
Needle scaler
Negative pressure
NEMA
NFPA
NL
NM³/HR
No load
Nominal efficiency
Nominal filter rating
Nominal micron rating
Noncondensables
Noncooled compressor cylinders
Noncorrosive gas
Nonlubricated compressor
Normal air
Nozzle
Nozzle (valves)
NPT
NPTT

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: O ::

O.D.
OEM
Off gas
Oil aerosol
Oil bath filter
Oil free compressor
Oil system
Operating pressure
Operating pressure burst
Orifice
OSHA
Overhung type centrifugal compressor
Overpressure accumulation

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: P ::

P1
P2
P3
P4
P5
Package power
Palm coupling
Particle density type filter
Particulate type filter
Paving breaker
PDP
Pedestal type centrifugal compressor
Perfect intercooling
Performance curve
Permeability
pH
Pinion
Piston displacement
Pleated filter
Pneumatic
Pneumatics
Pneumatic tools
PNEUROP oxidation test (POT)
Point of use
Pore
Potential energy
Positive displacement compressors
Pounds per square inch (PSI)
Pour point
Power theoretical
Power wheel
PPB
PPM
Precool
Precooler
Pre open warn
Pressure
Pressure absolute
Pressure back
Pressure cracking
Pressure critical
Pressure dewpoint
Pressure discharge
Pressure drop
Pressure gauge
Pressure inlet
Pressure pot
Pressure range
Pressure rated
Pressure regulating valve
Pressure relief device
Pressure rise
Pressure static
Pressure system
Pressure total
Pressure velocity
Preventive maintenance
Process
Pseudo critical pressure
PSI
PSIA
PSID
PSIG
Psychrometry
PTFE
Pulsation damper
Pumping
Purge air

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: Q ::

Qci
Qca
Qcr
Quick coupler

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: R ::

Radial compressor
Rebound
Receivers
Reciprocating compressors
Recovery pressure
Reduced pressure
Reduced temperature
Refrigerant
Refrigeration dryer
Regeneration
Regulator
Reheaters
Relative clearance volume
Relative humidity
Relative vapor pressure
Required capacity
Relief valve
Reversible process
Reynold's number
Rings
Ring sticking
Rock drill
Rolling element
Rotary actuator
Rotary blowers
Rotary compressors
Rotary sliding vane compressors
Rotor
Rust prevention test

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: S ::

SAE
Safety valve
Safety relief valve
Saturated air vapor mixture
Saturated vapor pressure
Saturation
Saturation pressure
Scale
SCFM
Screw compressor
SCUBA
Sea level
Seals
Seat
Second law of thermodynamics
Sequence
Set pressure
Shaft
Shaft input
Shaft sleeves
Shaft speed irregularity
SI
Silica gel
Single acting
Single stage compressors
Single stage centrifugal compressors
Siphon feed gun
Sleeve
Slip
Slip RPM
Sludge
Slusher
Sole plate
Sonic flow
SOP
SPC
Specific energy requirement
Specific fuel consumption
Specific gravity
Specific heat
Specific humidity
Specific power
Specific volume
Specific weight
Speed
Spindle
SRM
Standard pressure and temperature (SPT)
Stability
Stack up
Stages
Standard air
Standard pressure and temperature (SPT)
Start stop control
State
Stem
Sterile air
Stonewall
STP
Strainer
Stroke total
Stroke usable
Subheaders
Suction pressure
Supercompressibility factor
Surface filtration
Surge
Surge limit
Swept volume
Synthetic lubricant

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: T ::

T1
T3
Temperature
Temperature absolute
Temperature discharge
Temperature inlet
Temperature intake
Temperature rise ratio
Temperature static
Temperature total
Theoretical power
Thermal compressor
Thermal mass
Thermodynamics first law of
Thermodynamics second law of
Thrust balancing device
Tilting pad
Torque
Torr
Total package input power
Trunk compressor
Trunnion
Tugger
Tundish
Two stage compressor
Two step control
TXV valve

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: U ::

UL
Ultrasonic leak detector
UNC
UNF
Unit type compressors
Unload
Unloaded horsepower
Utilization factor

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: V ::

Vacuum pumps
Valve by pass
Valves
Vane compressor
Vane material Vapor
Vapor pressure
Varnish
V belt drive
Venturi
Viscosity
Viscosity index VI
Volumetric efficiency
Volute
Voting alarm

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: W ::

Warn
Water cooled compressors
Wet bulb temperature
Wet gas
Wet helical lobe unit
Wicking
Winch
WMW
WOG
Work
Working pressure

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: X ::

Xenon

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: Y ::

Yoke

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

:: Z ::

ZDDP
Zero
Zero discharge water
Thanks to Impact RM for permission to reprint the glossary.

Impact RM

Compressed Air Glossary Impact RM


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