In a shell and tube type exchanger {TAIL ~ the bladed type} of structure may be provided in the tubes interiors, while a spherical type of interrupter structure is provided in the shell contacting {HEAD ~ the tube exteriors} 
In a shell and tube type exchanger { TAIL ~ the bladed type } of structure may be provided in the tubes interiors , while a spherical type of interrupter structure is provided in the shell contacting { HEAD ~ the tube exteriors }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH 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