Actual capacity is generally expressed in actual cubic feet per minute (acfm) at conditions prevailing at the compressor inlet.Ĭapacity Gauge - A gauge that measures air flow as a percentage of capacity, used in rotary screw compressorsĬheck Valve - A valve which permits flow in only one direction.Ĭlearance - The maximum cylinder volume on the working side of the piston minus the displacement volume per stroke.

C:Ĭapacity - The amount of air flow delivered under specific conditions, usually expressed in cubic feet per minute (cfm).Ĭapacity, Actual - The actual volume flow rate of air or gas compressed and delivered from a compressor running at its rated operating conditions of speed, pressures, and temperatures. B:īrake Horsepower (bhp) - See Horsepower, Brake. Resulting condensate may be removed by a moisture separator following the aftercooler.Ītmospheric Pressure - The measured ambient pressure for a specific location and altitude.Īutomatic Sequencer - A device which operates compressors in sequence according to a programmed schedule.

The desiccant is capable of being regenerated.Īftercooler - A heat exchanger used for cooling air discharged from a compressor.

Also called Free Air Delivered (FAD).Īdiabatic Compression - See Compression, Adiabatic.Īdsorption - The process by which a desiccant with a highly porous surface attracts and removes the moisture from compressed air. Access the list of common terms used in the compressed air industry.Ībsolute Pressure - Total pressure measured from zero.Ībsolute Temperature - See Temperature, Absolute.Ībsorption - The chemical process by which a hygroscopic desiccant, having a high affinity with water, melts and becomes a liquid by absorbing the condensed moisture.Īctual Capacity - Quantity of gas actually compressed and delivered to the discharge system at rated speed and under rated conditions.

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