air heat exchanger copper tube:Dia.7mm,7.94mm,9mm,9.52mm, ... fin or bare fin louver,flat or corrugated fin type air heat exchanger detailed info for this model:Type: 2Rows * 10HolesDimension: L295 * ... rotor fan motor.8.did gas examination under 3.0Mpa air pressure to ensure the tightness.10.widely used in ... , bending, inspection, packingNote: for further information please contact us air heat exchanger