air heat exchanger advantage 1.good heat conduction 2.long service life 3.nice appearance air heat exchanger technical requirements1,heat exchanger is made of carbon steel tune of φ18×2.0-38mm with extruded aluminium fin.2,surface tube NO:8,row NO:8rows.3,design pressure:1.5MPa,design temperature:300°C.4,making standard:GB/T14296-93.5,the heat exchanger is made of mult flow path,6,connector: φ ...