Get current pricing for Karbate, 69.7 Sq.Ft. Karbate- 69.7 Sq.ft. Hastelloy Karbate-vicarb Block Type (compabloc Compact) Heat Exchanger. Shell Rated 150 Psi @ 500f, Tubes Rated 150 Psi @ 500f. Model Cp . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: