The following are the key machining operation we can provide in order to restore the efficiency of a heat exchanger.
Key Slot Milling
Restoration of the key slot by using portable milling machines.
Restore of seal seat (phonographic or concentric grooves, RTJ, …) by using portable flange facers.
Expansion | Beveling | Cleaning
Stuck Bolts Removal
Removal by either drilling or spark erosion without any damage of threaded holes.
By torque wrenches, hydraulic tensioners or induction bolting (in case of hollow bolts), according to configuration.