Hairpin is one of the heat exchanger types with separated terminal tube side and shell side closures altogether with large U-Bend. The design of hairpin provide the true counter-current flow which brings many performance advantages and allows for handling with wide range of process conditions.
For Cyclic or Shock Service, Eliminates need for expansion joints
Address Extreme Terminal Temperature Differential
Address Temperature Cross
Allows for High Pressure Applications
Refinery, Olefins, Aromatics, Phenol, Glycol
The twisted tube design eliminates baffles and damaging tube vibration. With uniquely shaped tubes, the bundle arrangement provide adjacent support as fluid swirls freely alongside. Gaps between the tubes make it easier to clean on the shell side. The twisted tube bundle can be fitted in the existing conventional shell design without requiring shell modification.
Increased Heat Transfer
Potential Fouling Mitigation
Reduced Pressure Drops
Eliminate Flow Induced Vibration
Bundle Center Cleanability
Reduced Leaking Risk
Refinery, Olefins, Aromatics
Example of fluid flow inside twisted tube heat exchanger
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