This allows more flexibility in installation of the heat exchanger 10, with the direction of flow through {HEAD ~ the shell} 12 perhaps being determined by {TAIL ~ local siting conditions} 
This allows more flexibility in installation of the heat exchanger 10 , with the direction of flow through { HEAD ~ the shell } 12 perhaps being determined by { TAIL ~ local siting conditions }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL