Get current pricing for Ward Tank, Ward Tank 147 Sq. Ft 147 Sq.ft. Ss Heat Exchanger, By Ward Tank, Bw425, (68) .75 O.d. X 11 Long Stainless Steel Tubes, Rated 75 Psi @ 100°f. 10 Dia. Stainless . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: