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FIIG:  A23900

Entry Date:  Feb-20-1987

Concept:  

Status:  A

Applicability:  A

Type:  0

Definition:  A device designed to remove oil and dust particles from compressed air generated by a compressor and to dry the air by making use of the refrigeration principle. It is an integral part of a compressed-air supply station and installed between compressor and filling or dispensing tank. The item may include control units designed to monitor and analyze the operating data and to regulate on and off switching of the station by means of predetermined programs.

Basic INC:  70071

Basic Name:  FILTER

Description:  1. A device designed to remove solid particles from fluids ranging in density from heavy liquids to gases. The removal of particles is accomplished by an element constructed so the fluid can flow through it while the solid particles are retained. The degree of removal of particles must be nominally rated at less than 50 microns or absolutely rated at less than 75 microns. See also STRAINER (as modified). 2. A transparent item designed to be used with a light for the sole purpose of altering the color of the light transmitted and/or polarizing the light rays. 3. (Electrical) An item for insertion in an electrical or electronic circuit which introduces a predictable amount of opposition to the passage of currents of specified frequency(ies) as they pass through the device.