a multi stage centrifugal compressor having an inlet, a discharge, and a main rotating shaft which has disposed thereon {HEAD ~ at least one set} of {TAIL ~ seals}, the centrifugal compressor being operable in a loaded and an unloaded condition 
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a multi stage centrifugal compressor having an inlet , a discharge , and a main rotating shaft which has disposed thereon { HEAD ~ at least one set } of { TAIL ~ seals } , the centrifugal compressor being operable in a loaded and an unloaded condition
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH