... exchanger advantage 1.good drying capacity 2.long service life 3.easy installation 4.nice appearance air heat exchanger technical requirements1 ... with extruded aluminium fin2,surface tube NO.:21,row NO.:3 rows3,design pressure:1.5MPa,design temperature:300°C4,connector ... ,material:tube sheet:4.0 THX carbon steel,laterial sheet:3.0mm,THX carbon steel6,the heat exchanger is made of ...