- Absolute Pressure
- Absolute Temperature
- Absorb
- ACFM – Actual Cubic Feet per Minute (air flow)
- Activated Alumina
- Adiabatic compression
- Adiabatic efficiency
- Adsorb
- Adsorbent (DESICCANT)
- Adsorption dryer regeneration
- Aftercooler
- Air
- Air actuator
- Air amplifier (Volume booster)
- Air bearing
- Air Booster Compressor
- Air Booster (specifically, Air-to-Air Pressure booster)
- Air bubble technique
- Air compressors types (based on compression method) in industry:
- Air cooled compressor
- Air curtain
- Air cushion
- Air cylinder – See in ‘Air actuator’
- Air cylinder tank / storage
- Air dryer
- Air flow
- Air motor
- Air Receiver tank
- Air Recovery system
- ANR
- Approach Temperature –
- Artificial demand
- Associations of compressed air industry
- Assumed Value
- Atmospheric dew point
- Atmospheric pressure
- Automatic condensate drain
- Automatic Sequencer
- Back flow
- Back pressure
- Bag filter
- Bag house
- Bar
- Bar(a)
- Bar(g)
- Barometric pressure
- Blow down valve (in screw compressor)
- Blow gun
- Blow off losses
- Blowing off to the atmosphere
- Brake Horsepower
- Breathing air
- Bypass valve system
- Cascade control
- Centrifugal condensate removal filter
- Check valve (Non-return valve)
- Choke
- Coalescing filter
- Compressed air
- Compressed air consumption profile
- Compressed air leakage:
- Compressed air quality
- Compressed air treatment
- Compression
- Compression adiabatic
- Compression chamber
- Compression efficiency
- Compression isothermal
- Compression ratio
- Compression stage
- Compressor capacity control
- Compressor controller
- Compressor operating point
- Compressor room
- Compressor sizing
- Compressor start-up box
- Compressors utilisation types in a multi-compressor station
- Condensate
- Condenser
- Constant compression
- Container blowing
- Control gap
- Control valve
- Cycle / Cycle Time
- Dalton's law
- Dead end pressure
- Degree of intercooling
- Degree of saturation
- Degree Rankine (R)
- Degree Réaumur (Ré)
- Degrees Celsius (°C)
- Degrees Fahrenheit (°F)
- Degrees Kelvin (K)
- Deliquescence
- Deliquescent
- Delta P
- Delta T
- Demand
- Demand cycle
- Demand pattern
- Demand side management (DSM)
- Demulsibility
- Density
- Depth filter
- Desiccant
- Design pressure
- Desorption
- Dew point
- Dew point cup
- Diaphragm
- Diaphragm compressor
- Differential pressure
- Differential pressure indicator
- Diffuser
- Directional control valve
- Dirt holding capacity
- Disc
- Discharge piping
- Discharge pressure
- Discharge temperature
- Displacement compressor
- Displacement of a compressor
- Disposable filter
- DOP
- Double acting compressor
- Downstream
- Drag
- Drain valve
- Dripleg
- Dropleg
- Dry adiabatic lapse rate
- Dry bulb temperature
- Dry gas
- Dry painting
- Dry unit (oil free)
- Dryer
- Dual control
- Duct
- Durometer
- Dust cake
- Dust holding capacity
- Duty cycle
- Dynamic losses
- Dynamic type compressors
- Dynamic viscosity (Dynamic)
- Effective filter area
- Efficiency compression
- Efficiency isothermal
- Efficiency mechanical
- Efficiency of filter
- Efficiency polytropic
- Efficiency volumetric
- Ejector compressor
- Element filter
- Emulsibility
- Emulsifier
- Emulsion
- End cap of filter
- Energy kinetic
- Energy storage
- Enthalpy
- Entrainment
- Entrainment ratios
- Entropy
- Environmental contaminant
- Evaporation
- Evaporator
- Exothermic
- Expanders
- Expansion joint
- Filter cartridge (element)
- Flow controller
- Flow meter
- Flow of compressor output definitions
- Flow profile
- Frequency converter
- FRL
- Galvanic bath
- Gauge (for differential pressure measurement)
- Gauge (for pressure measurement)
- Gauge pressure
- Generation of nitrogen and oxygen
- Header
- Heat exchanger
- Heat recovery from compressors
- HMI
- Horse Power
- Hot tap
- Humidity
- IBV
- ICFM
- Ideal gas
- IGV
- Impeller
- Increased energy use
- Inert gas
- Initial pressure drop for a clean and dry compressed air filter cartridge
- Initial pressure drop for a clean and wet compressed air filter element
- Inlet throttle
- Instrument air
- Intake air cooling
- Intercooler
- Internal cooling of the compressed gas
- Isentropic efficiency
- ISO 1217: 2009 / Amd 1:2016
- ISO 3857-1, 2 and 3:1977
- ISO 4126-1: 2013
- ISO 8573-1:2010
- ISO 12500
- ISO 22484
- ISO 2151:2004
- ISO 4414:2010
- ISO 7183:2007
- ISO 8573:2010
- ISO 11011:2013
- ISO 18740:2016
- Kelvin (K)
- Kinetic energy
- Largest net capacity increment
- Leak detector, ultrasonic
- Load Factor / Load Cycle
- Mach number
- Main collector (Header pipe)
- Manometer
- Master Controller (for multi-compressor control)
- Moisture Separator
- Moisture trap
- Non-return valve
- Normalized flow values
- Normative methods of flow measurement
- Nozzle
- Office of Technical Inspection
- Oil bath filter
- Oil-free centrifugal compressors
- Oil-free compressors
- Oil-free (Dry Screw) screw compressors
- Oil-Free Reciprocating Compressors
- Oil-injected screw compressors
- Oil lubricated Reciprocating Compressors -
- Orifice
- Package power
- Particulate filter
- Performance curve
- PET bottles blowing
- Pleated filter
- Pneumatic conveying
- Point of use of compressed air
- Power of the compressor
- Pressure
- Pressure dew point
- Pressure relief valve
- Process compressors
- PRV
- Purge air
- Quick coupler
- Receiver
- Refrigerant
- Refrigeration dryer
- Regeneration
- Regulator
- Reheaters –
- Relative humidity
- Relief valve
- Renolds Number (Re)
- Rotary actuator
- Safety valve
- SCFM
- Service factor (of motor)
- Sewage aeration
- Shut-off valve
- Silica gel
- Sonic flow
- Sonic nozzle
- Specific cost of compressed air (Cost of unit air production)
- Specific power consumption indicator
- Specific energy consumption indicator
- Suction port
- Suction throttling
- Suction valve
- Surface blast cleaning
- Surge
- Surge limit
- Synthetic lubricant
- System redundancy or Available Redundant Capacity
- Systems for controlling the operation of the adsorption dryers
- Tank and safety valve passport
- Technical work
- The height of the surface of a given liquid
- Transducer
- Ultrasonic leak detector
- Unload
- Utilisation factor
- Vacuum
- Vacuum pump
- Variable compression
- Venturi
- Volute
- VSD Compressor
- Wet bulb temperature
- Wet spray painting
- Zero air loss drains
- Zoning