Get current pricing for Doyle & Roth, 32 Sq.Ft. Vertical H Doyle & Roth Model Vt861-3ve 32 Square Foot Vertical Heat Exchanger Hastelloy C276 Tubes Rated Full Vacuum/150 Psi @ 347 Deg. F. 316l Stainless S . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: