It may include guide vanes for directing the flowing medium to the impeller of the succeeding stage. Diaphragm compressor Is a positive displacement reciprocating compressor using a flexible membrane or diaphragm in place of a piston. Diaphragm cooling A method of removing heat from the flowing medium by circulation of a coolant in passages built into the diaphragm. The difference in pressure between any two points of a system or component. A continuous, one directional flow of electricity.
Directional control valve A valve to control the flow of air in a certain direction.
The quantity of contaminant a filter element can trap and hold before the maximum allowable back pressure or delta P level is reached. Disc The movable seating surface in a valve. Discharge piping Is the piping between the compressor and the aftercooler, the aftercooler separator and the air receiver. Velocity pressure is considered only with dynamic compressors. Discharge temperature Is the temperature existing at the discharge port of the compressor.