Get current pricing for Api Basco Type 500, API Basco type 500-11318-ID Approx. 165 Sq.ft., 8 Dia X 6' L Heat Exchanger. Tubes: (232) Tubes @ 1/4 Od X 6' L. Openings (2) 3/4, (2) 2.5 Inlet/outlet. S . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: