1,The heat exchnager is made of φ18×2.0-38mmGB8163 carbon steel with aluminium rolled fins2,Surface tube NO.,12pcs,row NO.,7rows;3,Design pressure,1.5MPa,design temperature,300°C;4,Connection flange,DN50(φ57connecting pipe)   carbon steel;5,Outer flanger,tube plate,4.0mm304stainless steel;                        side plate,3.0mm304stainless steel;                         cover plate,2.0mm304stainless steel;7,Multi-passes8,Standard,GB/T14296-93.

oil radiator for rotograuve printing machine