Used Carborundum approximately 16 sq. ft. graphite shell and tube heat exchanger

Used Carborundum approximately 16 sq. ft. graphite shell and tube heat exchanger.  6 1/2" diameter X 9' long.  C/S shell rated 50 PSI @ 340 degrees F.  (9) 3/4" graphite tubes rated 50 PSI @ 340 degrees F.  S/N 5053.  2" service inlets with 3/4" vent.  3" process inlets.