Compressed Air Glossary of Terms

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Online Compressed Air Glossary Of Terms

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a
A&R	Absolute efficiency	Absolute micron rating
Absolute pressure	Absolute temperature	Absolute viscosity (Dynamic)
Absolute zero	Absorb	AC
Acidity	ACFM	ACT
Activated alumina	ACTR	Actual capacity
Adiabatic compression	Adiabatic efficiency	Adsorb
Adsorbent filter	Adsorptive filtration	Aeration
Aerosol	Aftercooler	Aftercooling
Air	Air amplifier	Air bearing
Air borne	Air brush	Air bubble technique
Air chisel	Air cooled compressor	Air curtain
Air cylinder	Air dryer	Air entrainment
Air flow	Air horn	Air knife
Air leak	Air lock	Air motor
Air preheater	Air pressure	Air pump
Air receiver	Air restraint bag	Air shaft
Air station module	Air whistle	ALT
Altitude	Alternating current (AC)	Amagat's law
Ambient	Ambient environment	Ammonia
Amonton's law	AMP	Ampere (AMP)
Ancillary equipment	Anhydrous	Anion
ANLG	ANR	Anti re-entrainment sock
Anti-Pulsation Tank	AP	A.P.I.
Approach temperature	Artificial demand	ASHRAE
A.S.M.E.	ASL	Asset monetization
A.S.T.M.	ATM	Atmosphere (ATM)
ATA	Atmospheres absolute (ATA)	Atmospheric boundry level
Atmospheric dew point	Atmospheric gases backfilling	Atmospheric inversion
Atmospheric pressure	Atomize	Attenuation
Automatic sequencer	Avogadro's law	Axial compressor
Abnormal failure	A/D Converter	ABNT
AC Linearity	Activated carbon	Air padding
Air pressure amplifier	Air stripping	Alarm deviation
Ambient compensation	Ambient pressure	Amplifier
Analog output	Anemometer	Avogadros number
ATC	Auto Ignition Temperature (AIT)	Air pressures at various sea levels
Air exchange tube	Air nozzle	Air actuator
Accumulation test	Aperture leak	Air cycling valve
Air end	Affinity laws	Air ingestion
Air admittance valve	Air blown asphalt	Air compressor connector
Air compressor cut-in/cut-off pressure	Air compressor drain cock	Air driven nailer
ASTM tests	Audit	Absorber Filter
Air breather	Air drilling	Anisotropic membrane
Air shutter	Air sparging	Air / gas lift
Air pressure drop	Air supplied respirator	Air valve
Air shutter	Air set	Air-To-Close
Air-To-Open	Anti-Cavitation Trim	Advection
Atmospheric air	ANSI B2.1	ASTM A53
ANSI B31.2	ANSI B36.10	Angle cocks
Automatic couplers	Assembly length	Air oil coaleser
Adsorption	Absorption	Air gun
Air gap	Automatic valve	Air starting valve
Auxiliary air cartridge breech	Air Bags	Air test
Auxiliary reservoir	Auxiliary equipment	Auxiliary device
Absolute filter	Accumulator	Annular area
ANSI flange	Agitation	Air jet loom
Air knife coating	Air cap	Air classification
Air flotation	Automatic Air Bleed	Attrition

b
BA	Back pressure	Bag blinding
Bag filter	Bag house	Balanced valve
Bar	Bara	Barg
Barometric pressure	Base air requirement	Base plate
Bead ring	Beta ratio	BHP
Bicarbonate	BLDN	Blowdown (BLDN)
Blower (BLWR)	Blow off control	BP
BLWR	Body	Bonnet
Boolean logic	Booster	Booster compressor
Bowl	Boyle's law	Brake horse power (BHP)
Branch lines	Breakdown maintenance	Breaker
Breaking pressure	Breather	Breathing air
Bridging	Brownian diffusion	British thermal unit
BSPP	BSPT	BTU
Bubble	Built-in-dirt	Built up back pressure
Bulk specialty gas supply	Bumper	Buna N
Burst pressure	By pass	By pass valve
Base mount compressor	Ball valve	Bernoullis principle
Block diagram	Breakthrough	Brownian diffusion
Burst pressure rating	Butterfly valve	Bull whip throttle control
Bubble test	Backflow	Boss hose fitting
Back plate	Barlow's formula	Bearing life
Belt guard	Black pipe	Bottled gas
Brayton cycle	BTUH	Build up
Breathing apparatus	Blooey line	Blowout preventer control unit
Basic air	Balanced trim	Bellows seal
Bench set	Booster (Valves)	Bull hose
Blisters	Blow down	BIE
BCO (I)	Boss coupling	Ball check valve
Blowby	Bore	Butane
Breakout pressure	Blowdown valve	Burst disk
Baffle	Back up bottle

c
Can velocity	Can-annular chamber	Cap
Capacity	Capacity filtration	Capacity gauge
Capillary tube	Cap tube	Carbonate
Carbon dioxide	Carbon monoxide	Carbon residue
Casing	CAS number	CEFAPP
Celsius	Center tube	Centrifugal compressor
Certificate of analysis	Certificate of conformance	CFM
CGA	Charles's law	Chatter
Chip control	Chipping hammer	Check valve
Chlorine	Chlorofluorocarbons (CFCs)	Choke
Clarion	Cleanable	Cleanliness level
Clean room	Clean pressure drop	Clean water act
Clearance	Clearance pocket	Clevis
Collapse	Collapse pressure	CNG
Closed loop system	Coalescing filter	Code
Coefficient of discharge	Cogeneration	Cold differential test procedure
Cold start	Compensator	Composition of air
Compressed	Compressed air	Compressed air challenge
Compressed gas	Compressibility	Compressibility factor Z
Compression adiabatic	Compression efficiency	Compression Isothermal
Compression ratio	Compressor	Compressor module
Compressor station	Computer control	Condensate
Condenser	Conduction	Connector
Constant speed control	Contaminant	Contaminant capacity
Contaminant failure	Control valve	Convection
Convolution	Coolant	Cooling tower
Coriolis force	CPM	Cracking
Critical pressure	Critical speed	Critical temperature
Crosshead assembly	Crosshead compressor	Crosshead loading
CSA	CTD	Cubic feet per minute (CFM)
cu m/sec	Cut in cut out pressure	Cycle
Cycle time	Cylinder	Cyclone
Cyclone separator	Closed crankcase compressor	Centigrade temperature scale
Calibration procedure	Closeness of control	Common mode
Control point	CPS	Continuous pump CFM
Cut In PSI	Cut Out PSI	Constant speed control
Conductance	CIP	Chicago fitting (crows foot)
Compressed air ejection	Compressed air launch	Compressed air illness
C frame adapter	Centrifugal	Centrifugal force
Compressed air storage	Compression fitting	Continous load
Cooling system	CTS	Corrosive water
Crack a valve	Compressed air foam (CAF)	Compressed air foam system (CAFS)
Centrifugal flow turbojet	Cleaning	Caisson
Compressed air worker	Cryogenic valves	Cycle counter
Compressed air booster	Cage	Connecting rod
Compressor clutch	Condensate drains	CAV
Carbon tax	CO2	Constant speed operation
Cycling	COP	Controlled demands
Clean out	CIT	Cooling Load

d
Dalton's law	DC	Dead end pressure
Deairentrainment	Degrees Celsius (°C)	Degrees Fahrenheit (°F)
Degrees Kelvin (°K)	Degree Rankine (°R)	Degree of intercooling
Degree of saturation	Deliquescent	Deliquescence
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
Diaphragm routing	Differential pressure	Differential pressure indicator
Diffuser	Digital controls	Diluent
Direct current	Directional control valve	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)	Dynamic losses
Dynamic type compressors	Dynamic viscosity (Dynamic)	Dual control
Duct	Durometer	Dust cake
Dust holding capacity	Duty cycle	Dry-pipe
Darcy's Law	Degree Réaumur (°Ré)	Droop
Dynamic calibration	Dynamic range	Dynamic pressure
Dynamic seal	D frame adapter	Dynamite battery
Drilling fluid	Dew point suppression	Diaphragm valve
Double block and bleed	Direct heat exchanger	Deglazer
Deglazing	Displacement	dm3/h
Discharge check valve	Discharge temperature switch	Dump the air
Dynamiter	Differential operating range	Discharge line
Discharge unloader	Demand charges	Downsizing
Deadband	Design Cooling Load

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	Enrichment
Enthalpy	Entrainment ratios	Entropy
Environmental contaminant	Evaporation	Evaporator
Exhauster	Exothermic	Expanders
Eductor tube	Engine-house	Extended bonnets
Effusion	Ethylene glycol	Exhaust manifold
Exhaust port	Energy efficiency	ENERGY STAR®
EER	Emission Reduction Credits (ERC's)	Emissions trading
Explosion-Proof Enclosure	Evaporative cooling	Equivalent gas
Equivalent air

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
Fluidics	Flushing	Foot
Forced draft fan	Fouling	Free air (FAD)
Friction	FRL	Frost point
Full load	Fresh air make-up	Fail safe
Fail safe oeration	Ferrule	Fick`s First Law
Fick`s Second Law	Flow tube	FPM
FPS	Free energy	Frequency natural
Free length	Foam systems	Foaming agent
Fail closed	Fail-In-Place	Fusible plug
Fall off	Fluid power	Full flow pressure
Fireless locomotive	Frasch process	Fouling

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
Gauge pressure transducer	Gas booster	Gas recievers
Gasket	Gritblast	Grille
Gauge snubber	Glad hand	Global Warming Potential
Glad hand	Greenhouse effect	Greenhouse gas
Global warming	Gigajoule	Greenhouse gas intensity
GWh

h
Halocarbon	Head adiabatic	Header
Head polytropic	Head pressure	Heat capacity
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
HYCO	Hydrocarbons	Hydrogen chlorofluorocarbons (HCFC)
Hygroscopic cells	Hermetic	Hot gas reflow
Hygrometer	Hygroscopic	Hypercavitation
Hysteresis	HMSLD	Harmonic vibration
Helium light band	Hg	Hot gas bypass line
High pressure shutdown switch	Heliox	Heat loss

i
IBV	ICFM	I.D.
Ideal gas	Ideal multi stage compression	IGV
Immiscible	Impeller	Inches of water
Inches of water gauge	Incremental air fee	Incremental air requirement
Indicated power	Indicator card	Indicator pressure
Induced draft	Inducer	Inerting
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	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
Inspiratory reserve volume	Impedance	Inert atmosphere
Inlet check valve	Instrumentation	Intensifier
Interstage stall	Interface	Impedance
Impeller shroud	Impeller vane	Impeller setting
Impeller eye	Indirect heat exchanger	I/P
ISO 1217, Ed 3, Annex C-1996	Idle speed	Intake unloader
Impedance	Integrated demand	Instantaneous demand

j
Jackleg	Jack hammer	Jet
Joule	Joule effect	Joule Thompson effect
Jounce	Journal	Journal bearing
JTPF	JTPM	JOULE'S law
J-Valve

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	Kilovolt-Amperes (kva)
KRISS	Kyoto protocol	Kick out pressure
Kick in pressure	K-Valve

l
L/sec	Labyrinth compressor	Lacquer
Langelier's index	Laser gas	lb
lb/hr	Leak air	Leak detector ultrasonic
Lift	Lift bag	Linear actuator
Liner	Liquefied compressed gas	Liquid piston
Liquid ring rotary compressor	Liquid ring rotary compressor	LNG
Load	Loaded	Load factor
Load time	Lobe	Low pressure coat
Lubrication	Lubricator	Lag
Line pressure	Laminar flow	Leak rate
Land factor	L3 / D4	Low oil shutdown
Low pressure air	Lock-Up Valve	Load pressure

m
M3/min M3/hr	Mach number	Manifold
Man way	MAWP	Maximum operating pressure
Mayonnaise	Mechanical efficiency	Media
Media migration	Medium	Membrane dryer
Mesh size	Micromanometer	Micron
Micron rating	Millibar	Mineral oil
MMCFD	Modulating control	Modulating unload
Moisture separator	Moisture trap	Molecular sieves
Mole sieve	Molecular theory	Mottling
MPCV	MSDS	Multistage axial compressor
Multistage centrifugal compressor	Multistage compressor	Magnehelic gauge
Manometer	Manual Reset (Adjustment)	Manual Reset (Switch)
Maximum compression ratio	Mass flow rate	Maximum operating temperature
Millitorr	Membrane filter	Mist drilling
Multicasting compressors	M	Minimum pressure valve
Megawatt-hour	Methane (CH4)	MJ
Max speed	Molar heat capacity

n
N cu m/min N cu m/hr	Natural frequency	N.B.
NEC	Needle gauge	Needle scaler
Negative pressure	NEMA	NFPA
Nitrox	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	NTP	NEMA-12
NEMA-4	NEMA-7	Newtons 1st and 2nd laws of motion
Newtons third law of motion	NIST	Nominal ratio
Needle valves	Name plate rating	Nominal pipe size (NPS)
NPSH	Normally closed (N.C.)	Normally open (N.O.)
Natural frequency	Nipple

o
O.D.	OEM	Off gas
Oil aerosol	Oil bath filter	Oil free
Oil free compressor	Oil-less	Oil system
Operating pressure	Operating pressure burst	Orifice
OSHA	Overhung type centrifugal compressor	Overpressure accumulation
Ohms law	On/off controller	Orifice plate
Outlet check valve	OSHA valve	O-ring groove
Outside air	Overall stage pressure ratio	Oil sump
Oil / water separator	On-Peak	Off-Peak

p
P1	P2	P3
P4	P5	Package power
Palm coupling	Particle density	Particulate type filter
Paving breaker	PCM	PDP
Peak demand	Pedestal type centrifugal compressor	Perfect intercooling
Performance curve	Permeability	pH
Pinion	Piston displacement	Pitot tube
Pleated filter	Pneumatic	Pneumatic power
Pneumatics	Pneumatic tools	PNEUROP oxidation test (POT)
Point of use	Pore	Positive displacement compressors
Potential energy	PSI - Pounds per square inch. (099)	Pour point
Power theoretical	Power wheel	PPB
PPBV	PPM	Precool
Precooler	Pre open warn	Pressure
Pressure absolute	Pressure back	Pressure cracking
Pressure critical	Pressure dew point	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 swing dryer	Pressure system
Pressure total	Pressure transfer	Pressure velocity
Preventive maintenance	Process	Pseudo critical pressure
PSI	PSIA	PSID
PSIG	Psychrometry	PTFE
Pulsation damper	Pumping	Purge air
Purging	PSIS	P&ID
Proportional Control	Pachuca tank	Pneumatic caisson
Poppet valve	Power rod tongs	Pilot valves
Positioners	Peak load	Psychrometer
Purge	Pinch valve	Pantograph compressor
Proof pressure	Pipework	Protective device
Pilot pressure	Plant air	Process air
PM10	Petajoule	Pilot device
Part load	Part load performance	Poppet
Passes	Proof Pressure

q
Qci	Qca	Qcr
Quick coupler	Quill shaft	Quarter turn valves
Quick burst

r
Radial compressor	Ram	Rebound
Receivers	Reciprocating compressors	Recovery pressure
Reduced pressure	Reduced temperature	Refrigerant
Refrigeration dryer	Regeneration	Regulator
Reheaters	Relative clearance volume	Relative humidity
Relative vapor pressure	Relief valve	Required capacity
Reversible process	Reynold's number	Rings
Ring sticking	Rock drill	ROI
Rolling element	Rotary actuator	Rotary blowers
Rotary compressors	Rotary sliding vane compressors	Rust prevention test
Return flow compressor	Raw air	Rankine or R
Rheology	Recovery time	Room conditions
Rule of Thumb - Power 1	Rule of Thumb - Power 2	Rule of Thumb - Power 3
Rule of Thumb - Air intake	Rule of Thumb - Cooling	Rule of Thumb - Cooling 2
Rule of Thumb - Cooling 3	Rule of Thumb - Receiver	Rule of Thumb - Receiver 2
Rule of Thumb - Air line losses 1	Rule of Thumb - Air line losses 2	Rule of Thumb - Air line losses 3
Rule of Thumb - Air line losses 4	Rule of Thumb - Altitude 1	Rule of Thumb - Altitude 2
Rule of Thumb - Distribution piping	Rule of Thumb - Filter sizing	Rule of Thumb - Temperature
Rule of Thumb - Drains	Rotor	RISC
Regulating valves	Ring main	Rated pressure
Retainer	Resonance	Rightsizing

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
Sheltered set	SI	Silencer
Silica gel	Single acting	Single stage compressors
Single stage centrifugal compressors	Siphon feed gun	Sleeve
Slip	Slip RPM	Sludge
Slusher	Snifting valve	Sole plate
Sonic flow	SOP	SPC
Specialty gases	Specific energy requirement	Specific fuel consumption
Specific gravity	Specific heat	Specific humidity
Specific power	Specific volume	Specific weight
Speed	Speed of sound	Spindle
SRM	Stability	Stack up
Stages	Standard air	Standard cubic foot
Standard pressure and temperature (SPT)	Start stop control (SPT)	State
Stem	Sterile air	Stonewall
STP	Strainer	Stroke total
Stroke usable	Subheaders	Suction pressure
Supercompressibility factor	Surface filtration	Surge
Surge limit	Swept volume	Synthetic gas
Synthetic lubricant	Swash plate compressor	Single-acting pump
Single ended pump	Single ended gas booster	Steady flow
Set point	Stagnation pressure	Static pressure
Static calibration	Steady state vibration	Shelf life
Sintered material	Stuffing box	Soap solution (Snoop)
Slug flow	Saturation diving	Solution mining
Spider	Solenoid valves	Saddle
Schedule	Schematic	Synchronisation
SMEE	Synchronous motor	Snap ring
Spool valve	Starting air	Starting air valve
Stroke	Stroke to bore ratio	Squish area
Sparging	Submersible pressure gauge	Start / Stop operation
Simple payback	Schedule	SEER
Super heated air vapour mixture	Short-cycling	Slide Valve
Scraper Ring	Sequence Valve	Servo Valve
Shuttle Valve	Swivel Joint

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	Torr
Total package input power	Torque	Trunk compressor
Trunnion	Tugger	Tundish
Two stage compressor	Two step control	TXV valve
Twin cylinder compressor	Tidal volume	TEMPCO
Test gas	Thermowell	Transitional flow
Transmitter	Transducer	Tank assisted CFM
Tracer gas	Thin film leak testing	Tester of compressed air
Tie in	Turbocompressor	Turboexpander
Two lug fitting	Thermal valve	Trimix
Tube cleaning

u
Unload pressure	UL	Ultrasonic leak detector
UNC	UNF	Unit type compressors
Unload	Unloaded horsepower	Utilization factor
Uniflow compressor	Undershoot	Union
Unswept volume	Unloader	Ultimate pressure
Upstream	Unloading device	Uncontrolled demand

v
Vacuum pumps	Valves	Vane compressor
Vane material	Vapor	Vaporization
Vapor pressure	Varnish	V belt drive
Vent loss	Venturi	Viscosity
Viscosity index (VI)	Volumetric efficiency	Volute
Voting alarm	Volt-Ampere (VA)	Voltmeter
Variable speed motor	VSD (Variable Speed Drive)	Vapor filters

w
Warn	Water cooled compressors	Water solubility
Wet bulb temperature	Wet gas	Wet helical lobe unit
Wicking	Winch	WMW
WOG	Work	Working pressure
Warmup	Wetted parts	Whipcheck
Water expansion pumping system WEPS	Water expansion system WES	Weight cut
wall thickness	Water jacket	Working element
Water regulating valve	Westinghouse brake	Wh
Wiper Ring

x
Xenon

y
Y-Cylinder	Yoke	Yield point
Y-Valve

z
ZDDP	Zeolite	Zero
Zero discharge water	Zero adjustments	Zero gas
Zoning

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Compressed Air Management Impact RM Inc. 290 Rodolphe-Besner, Suite 202 Vaudreuil-Dorion (Quebec) Canada J7V 8P2	Toll free: (Canada /USA): 1 (800) 463-1385 Phone: (450) 424-1385 - Fax: (450) 424-6623 Email: info@impactrm.com

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