Assertion: screw compressor | /r/CapableOf | operate at lower speeds
Facets:
value: for capacity adjustment
type: PURPOSE
Source sentences:
text: Screw compressors have less components and a simpler structure, larger capacity, higher efficiency, less vibration and surging, can operate at lower speeds for capacity adjustment, but small sizes are impractical due to inherent leaks between the compression cavities and the casing of the compressor.