... , Item Heat Exchanger TypeOperation mediumOperation pressure(MPa)Application1Φ16/Φ9.52/Φ12.7Copper tube with aluminium finCold/hot water≤1.6Used for combined air ... .14.producing procedure: tube bending, punching fin, expanding, digressing, dryingWelding, leakage test, bending, inspection, packingNote: for further information please contact us copper tube heat exchanger