Page 24 - Compression Machinery for Oil and Gas

14 SECTION I Fundamentals of Compression

Compressor types

Dynamic
Positive displacement

Reciprocating Rotary Centrifugal Axial

Single-acting
Double-acting
Lobe Screw Vane
Diaphragm
Liquid ring
Scroll
FIG. 2.1 Familytreeofcompressortypes[1].https://commons.wikimedia.org/wiki/File:Compressor_
Types.png.

FIG. 2.2 Compressor coverage chart [2]. (Courtesy of Southwest Research Institute).

limited pressure ratio and discharge pressure capabilities, to diaphragm com-
pressors that produce very limited flow rates with usually very high discharge
pressures. The others compressors listed cover parts of the displayed pressures
and flow ranges. As a type, reciprocating compressors generally cover the