To provide conditioned fluid flows, a base body has a main flow duct formed therein with {HEAD ~ a bypass duct} that is branched off from and led back to {TAIL ~ the main flow duct} 
is branched off from
To provide conditioned fluid flows , a base body has a main flow duct formed therein with { HEAD ~ a bypass duct } that is branched off from and led back to { TAIL ~ the main flow duct }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL