Constant speed control The unit that runs continuously and matches air supply to demand, by loading and unloading the compressor. Contaminant Foreign matter carried in the air, gas or fluid to be filtered out. Includes air borne dirt, metallic particles produced by wear of moving parts of the air compressor, rust from metal pipelines. Contaminant capacity the weight of a specified artificial contaminant that must be added to the influent to produce a given differential pressure across a filter at specified conditions. Used as an indication of relative service life.
Convection Is a means of transferring heat through mass flow.
Also the transfer of heat within a fluid by movements within the fluid. On a bellow type air actuator, that part of the flexible member forming an annular protrusion larger than the O.D. of the end retainers or bead rings. A cooling water supply system. There are two different types - Open and closed loop systems. Critical pressure Is the saturation pressure at the critical temperature.