Spiral HX Refurbishment
Complete cleaning and welding repair can be done.
Patch Work
New plates were welded Shown in the adjacent image the shell was opened almost by half circumference of the unit
Pin hole Leakage after patch work /DP testing
DP test were taken after every welding and patch. work Found Pin Hole after pressurized the unit Cut the Shell almost the half circumference of the unit
Pin Hole leakage after patch work
