Get current pricing for Carborundum, 16 Sq. Ft. Carborund 16 Sq. Ft. Carborundum 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 G . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: