Turbo-expander (expander-compressor)
ISO 10628-2 (groups 16, 17 and 20, compressors, blowers, engines) / PIP PIC001
Drawn as
Two trapezoids on one shaft: the expander widens in the flow direction and the compressor narrows, back to back.
Meaning
Expander drives a compressor from the energy of a gas pressure drop (NGL recovery, dew-pointing). No dedicated component.
Variants
- A generator-loaded expander has a G circle instead of the compressor
Tags
K · KT · EX
No 3D component yet.