1. Two kinds of media are serial (internal leakage)
A.The heat exchange tube is corroded and cracked.
B.The heat exchange tube and the tube plate expansion joint (weld joint) are split.
C.floating head heat exchanger floating head flange seal leakage.
2. Seal leakage at the flange
A.The gasket is under pressure, corroded and deteriorated.
B.Bolt strength is insufficient, loose or corroded.
C.flange rigidity is insufficient and sealing surface defects.
D.The flange is not flat or misplaced, and the quality of the gasket is not good.
3. Serious vibration
A.Resonance due to the frequency of the medium.
B.Resonance caused by external pipe vibration.