Vessel Name: NH3 Stripper Reflux Drum
Size: 4’ID x 14’ T/T
Thickness: 1/2″
Weight: 13,632lbs
Material: SA516-70N/Hastelloy C-276/C-22 Clad
Industry: Refining
Fabrication used SAW (tandem arc), GTAW, FCAW welding processes. Semi-automated circle SAW machine was used on the larger nozzles.
CRO (Corrosion Resistant Overlay) was performed on all nozzle bores and faces. 30mm strip electrode was used for all LS and GS lane closures. All edges of cladding we mechanically stripped back prior to welding the backer material.
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