{TAIL ~ A second source} of seal air is provided from a tap port disposed at a predetermined location on {HEAD ~ the compressor discharge} 
{ TAIL ~ A second source } of seal air is provided from a tap port disposed at a predetermined location on { HEAD ~ the compressor discharge }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD